app/assets/javascripts/d3.v4.js in d3-rails-4.3.0 vs app/assets/javascripts/d3.v4.js in d3-rails-4.7.0
- old
+ new
@@ -1,13 +1,13 @@
-// https://d3js.org Version 4.3.0. Copyright 2016 Mike Bostock.
+// https://d3js.org Version 4.7.0. Copyright 2017 Mike Bostock.
(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
- typeof define === 'function' && define.amd ? define(['exports'], factory) :
- (factory((global.d3 = global.d3 || {})));
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+ typeof define === 'function' && define.amd ? define(['exports'], factory) :
+ (factory((global.d3 = global.d3 || {})));
}(this, (function (exports) { 'use strict';
-var version = "4.3.0";
+var version = "4.7.0";
var ascending = function(a, b) {
return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
};
@@ -45,10 +45,28 @@
var ascendingBisect = bisector(ascending);
var bisectRight = ascendingBisect.right;
var bisectLeft = ascendingBisect.left;
+var pairs = function(array, f) {
+ if (f == null) f = pair;
+ var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n);
+ while (i < n) pairs[i] = f(p, p = array[++i]);
+ return pairs;
+};
+
+function pair(a, b) {
+ return [a, b];
+}
+
+var cross = function(a, b, f) {
+ var na = a.length, nb = b.length, c = new Array(na * nb), ia, ib, ic, va;
+ if (f == null) f = pair;
+ for (ia = ic = 0; ia < na; ++ia) for (va = a[ia], ib = 0; ib < nb; ++ib, ++ic) c[ic] = f(va, b[ib]);
+ return c;
+};
+
var descending = function(a, b) {
return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
};
var number = function(x) {
@@ -121,21 +139,21 @@
var array = Array.prototype;
var slice = array.slice;
var map = array.map;
-var constant$1 = function(x) {
+var constant = function(x) {
return function() {
return x;
};
};
var identity = function(x) {
return x;
};
-var range = function(start, stop, step) {
+var sequence = function(start, stop, step) {
start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
var i = -1,
n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
range = new Array(n);
@@ -151,11 +169,11 @@
var e5 = Math.sqrt(10);
var e2 = Math.sqrt(2);
var ticks = function(start, stop, count) {
var step = tickStep(start, stop, count);
- return range(
+ return sequence(
Math.ceil(start / step) * step,
Math.floor(stop / step) * step + step / 2, // inclusive
step
);
};
@@ -222,19 +240,19 @@
return bins;
}
histogram.value = function(_) {
- return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(_), histogram) : value;
+ return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value;
};
histogram.domain = function(_) {
- return arguments.length ? (domain = typeof _ === "function" ? _ : constant$1([_[0], _[1]]), histogram) : domain;
+ return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain;
};
histogram.thresholds = function(_) {
- return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant$1(slice.call(_)) : constant$1(_), histogram) : threshold;
+ return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold;
};
return histogram;
};
@@ -353,16 +371,10 @@
}
return a;
};
-var pairs = function(array) {
- var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n);
- while (i < n) pairs[i] = [p, p = array[++i]];
- return pairs;
-};
-
var permute = function(array, indexes) {
var i = indexes.length, permutes = new Array(i);
while (i--) permutes[i] = array[indexes[i]];
return permutes;
};
@@ -430,3062 +442,1412 @@
var zip = function() {
return transpose(arguments);
};
-var prefix = "$";
+var slice$1 = Array.prototype.slice;
-function Map() {}
-
-Map.prototype = map$1.prototype = {
- constructor: Map,
- has: function(key) {
- return (prefix + key) in this;
- },
- get: function(key) {
- return this[prefix + key];
- },
- set: function(key, value) {
- this[prefix + key] = value;
- return this;
- },
- remove: function(key) {
- var property = prefix + key;
- return property in this && delete this[property];
- },
- clear: function() {
- for (var property in this) if (property[0] === prefix) delete this[property];
- },
- keys: function() {
- var keys = [];
- for (var property in this) if (property[0] === prefix) keys.push(property.slice(1));
- return keys;
- },
- values: function() {
- var values = [];
- for (var property in this) if (property[0] === prefix) values.push(this[property]);
- return values;
- },
- entries: function() {
- var entries = [];
- for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]});
- return entries;
- },
- size: function() {
- var size = 0;
- for (var property in this) if (property[0] === prefix) ++size;
- return size;
- },
- empty: function() {
- for (var property in this) if (property[0] === prefix) return false;
- return true;
- },
- each: function(f) {
- for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this);
- }
+var identity$1 = function(x) {
+ return x;
};
-function map$1(object, f) {
- var map = new Map;
+var top = 1;
+var right = 2;
+var bottom = 3;
+var left = 4;
+var epsilon = 1e-6;
- // Copy constructor.
- if (object instanceof Map) object.each(function(value, key) { map.set(key, value); });
+function translateX(x) {
+ return "translate(" + x + ",0)";
+}
- // Index array by numeric index or specified key function.
- else if (Array.isArray(object)) {
- var i = -1,
- n = object.length,
- o;
+function translateY(y) {
+ return "translate(0," + y + ")";
+}
- if (f == null) while (++i < n) map.set(i, object[i]);
- else while (++i < n) map.set(f(o = object[i], i, object), o);
- }
+function center(scale) {
+ var offset = scale.bandwidth() / 2;
+ if (scale.round()) offset = Math.round(offset);
+ return function(d) {
+ return scale(d) + offset;
+ };
+}
- // Convert object to map.
- else if (object) for (var key in object) map.set(key, object[key]);
-
- return map;
+function entering() {
+ return !this.__axis;
}
-var nest = function() {
- var keys = [],
- sortKeys = [],
- sortValues,
- rollup,
- nest;
+function axis(orient, scale) {
+ var tickArguments = [],
+ tickValues = null,
+ tickFormat = null,
+ tickSizeInner = 6,
+ tickSizeOuter = 6,
+ tickPadding = 3,
+ k = orient === top || orient === left ? -1 : 1,
+ x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"),
+ transform = orient === top || orient === bottom ? translateX : translateY;
- function apply(array, depth, createResult, setResult) {
- if (depth >= keys.length) return rollup != null
- ? rollup(array) : (sortValues != null
- ? array.sort(sortValues)
- : array);
+ function axis(context) {
+ var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues,
+ format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat,
+ spacing = Math.max(tickSizeInner, 0) + tickPadding,
+ range = scale.range(),
+ range0 = range[0] + 0.5,
+ range1 = range[range.length - 1] + 0.5,
+ position = (scale.bandwidth ? center : identity$1)(scale.copy()),
+ selection = context.selection ? context.selection() : context,
+ path = selection.selectAll(".domain").data([null]),
+ tick = selection.selectAll(".tick").data(values, scale).order(),
+ tickExit = tick.exit(),
+ tickEnter = tick.enter().append("g").attr("class", "tick"),
+ line = tick.select("line"),
+ text = tick.select("text");
- var i = -1,
- n = array.length,
- key = keys[depth++],
- keyValue,
- value,
- valuesByKey = map$1(),
- values,
- result = createResult();
+ path = path.merge(path.enter().insert("path", ".tick")
+ .attr("class", "domain")
+ .attr("stroke", "#000"));
- while (++i < n) {
- if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) {
- values.push(value);
- } else {
- valuesByKey.set(keyValue, [value]);
- }
- }
+ tick = tick.merge(tickEnter);
- valuesByKey.each(function(values, key) {
- setResult(result, key, apply(values, depth, createResult, setResult));
- });
+ line = line.merge(tickEnter.append("line")
+ .attr("stroke", "#000")
+ .attr(x + "2", k * tickSizeInner)
+ .attr(y + "1", 0.5)
+ .attr(y + "2", 0.5));
- return result;
- }
+ text = text.merge(tickEnter.append("text")
+ .attr("fill", "#000")
+ .attr(x, k * spacing)
+ .attr(y, 0.5)
+ .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em"));
- function entries(map, depth) {
- if (++depth > keys.length) return map;
- var array, sortKey = sortKeys[depth - 1];
- if (rollup != null && depth >= keys.length) array = map.entries();
- else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); });
- return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array;
- }
+ if (context !== selection) {
+ path = path.transition(context);
+ tick = tick.transition(context);
+ line = line.transition(context);
+ text = text.transition(context);
- return nest = {
- object: function(array) { return apply(array, 0, createObject, setObject); },
- map: function(array) { return apply(array, 0, createMap, setMap); },
- entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); },
- key: function(d) { keys.push(d); return nest; },
- sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; },
- sortValues: function(order) { sortValues = order; return nest; },
- rollup: function(f) { rollup = f; return nest; }
- };
-};
+ tickExit = tickExit.transition(context)
+ .attr("opacity", epsilon)
+ .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); });
-function createObject() {
- return {};
-}
+ tickEnter
+ .attr("opacity", epsilon)
+ .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); });
+ }
-function setObject(object, key, value) {
- object[key] = value;
-}
+ tickExit.remove();
-function createMap() {
- return map$1();
-}
+ path
+ .attr("d", orient === left || orient == right
+ ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter
+ : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter);
-function setMap(map, key, value) {
- map.set(key, value);
-}
+ tick
+ .attr("opacity", 1)
+ .attr("transform", function(d) { return transform(position(d)); });
-function Set() {}
+ line
+ .attr(x + "2", k * tickSizeInner);
-var proto = map$1.prototype;
+ text
+ .attr(x, k * spacing)
+ .text(format);
-Set.prototype = set.prototype = {
- constructor: Set,
- has: proto.has,
- add: function(value) {
- value += "";
- this[prefix + value] = value;
- return this;
- },
- remove: proto.remove,
- clear: proto.clear,
- values: proto.keys,
- size: proto.size,
- empty: proto.empty,
- each: proto.each
-};
+ selection.filter(entering)
+ .attr("fill", "none")
+ .attr("font-size", 10)
+ .attr("font-family", "sans-serif")
+ .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle");
-function set(object, f) {
- var set = new Set;
-
- // Copy constructor.
- if (object instanceof Set) object.each(function(value) { set.add(value); });
-
- // Otherwise, assume it’s an array.
- else if (object) {
- var i = -1, n = object.length;
- if (f == null) while (++i < n) set.add(object[i]);
- else while (++i < n) set.add(f(object[i], i, object));
+ selection
+ .each(function() { this.__axis = position; });
}
- return set;
-}
+ axis.scale = function(_) {
+ return arguments.length ? (scale = _, axis) : scale;
+ };
-var keys = function(map) {
- var keys = [];
- for (var key in map) keys.push(key);
- return keys;
-};
+ axis.ticks = function() {
+ return tickArguments = slice$1.call(arguments), axis;
+ };
-var values = function(map) {
- var values = [];
- for (var key in map) values.push(map[key]);
- return values;
-};
+ axis.tickArguments = function(_) {
+ return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice();
+ };
-var entries = function(map) {
- var entries = [];
- for (var key in map) entries.push({key: key, value: map[key]});
- return entries;
-};
-
-var uniform = function(min, max) {
- min = min == null ? 0 : +min;
- max = max == null ? 1 : +max;
- if (arguments.length === 1) max = min, min = 0;
- else max -= min;
- return function() {
- return Math.random() * max + min;
+ axis.tickValues = function(_) {
+ return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice();
};
-};
-var normal = function(mu, sigma) {
- var x, r;
- mu = mu == null ? 0 : +mu;
- sigma = sigma == null ? 1 : +sigma;
- return function() {
- var y;
-
- // If available, use the second previously-generated uniform random.
- if (x != null) y = x, x = null;
-
- // Otherwise, generate a new x and y.
- else do {
- x = Math.random() * 2 - 1;
- y = Math.random() * 2 - 1;
- r = x * x + y * y;
- } while (!r || r > 1);
-
- return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r);
+ axis.tickFormat = function(_) {
+ return arguments.length ? (tickFormat = _, axis) : tickFormat;
};
-};
-var logNormal = function() {
- var randomNormal = normal.apply(this, arguments);
- return function() {
- return Math.exp(randomNormal());
+ axis.tickSize = function(_) {
+ return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner;
};
-};
-var irwinHall = function(n) {
- return function() {
- for (var sum = 0, i = 0; i < n; ++i) sum += Math.random();
- return sum;
+ axis.tickSizeInner = function(_) {
+ return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner;
};
-};
-var bates = function(n) {
- var randomIrwinHall = irwinHall(n);
- return function() {
- return randomIrwinHall() / n;
+ axis.tickSizeOuter = function(_) {
+ return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter;
};
-};
-var exponential = function(lambda) {
- return function() {
- return -Math.log(1 - Math.random()) / lambda;
+ axis.tickPadding = function(_) {
+ return arguments.length ? (tickPadding = +_, axis) : tickPadding;
};
-};
-function linear(t) {
- return +t;
+ return axis;
}
-function quadIn(t) {
- return t * t;
+function axisTop(scale) {
+ return axis(top, scale);
}
-function quadOut(t) {
- return t * (2 - t);
+function axisRight(scale) {
+ return axis(right, scale);
}
-function quadInOut(t) {
- return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2;
+function axisBottom(scale) {
+ return axis(bottom, scale);
}
-function cubicIn(t) {
- return t * t * t;
+function axisLeft(scale) {
+ return axis(left, scale);
}
-function cubicOut(t) {
- return --t * t * t + 1;
-}
+var noop = {value: function() {}};
-function cubicInOut(t) {
- return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;
-}
-
-var exponent = 3;
-
-var polyIn = (function custom(e) {
- e = +e;
-
- function polyIn(t) {
- return Math.pow(t, e);
+function dispatch() {
+ for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
+ if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t);
+ _[t] = [];
}
-
- polyIn.exponent = custom;
-
- return polyIn;
-})(exponent);
-
-var polyOut = (function custom(e) {
- e = +e;
-
- function polyOut(t) {
- return 1 - Math.pow(1 - t, e);
- }
-
- polyOut.exponent = custom;
-
- return polyOut;
-})(exponent);
-
-var polyInOut = (function custom(e) {
- e = +e;
-
- function polyInOut(t) {
- return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2;
- }
-
- polyInOut.exponent = custom;
-
- return polyInOut;
-})(exponent);
-
-var pi = Math.PI;
-var halfPi = pi / 2;
-
-function sinIn(t) {
- return 1 - Math.cos(t * halfPi);
+ return new Dispatch(_);
}
-function sinOut(t) {
- return Math.sin(t * halfPi);
+function Dispatch(_) {
+ this._ = _;
}
-function sinInOut(t) {
- return (1 - Math.cos(pi * t)) / 2;
+function parseTypenames(typenames, types) {
+ return typenames.trim().split(/^|\s+/).map(function(t) {
+ var name = "", i = t.indexOf(".");
+ if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
+ if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t);
+ return {type: t, name: name};
+ });
}
-function expIn(t) {
- return Math.pow(2, 10 * t - 10);
-}
+Dispatch.prototype = dispatch.prototype = {
+ constructor: Dispatch,
+ on: function(typename, callback) {
+ var _ = this._,
+ T = parseTypenames(typename + "", _),
+ t,
+ i = -1,
+ n = T.length;
-function expOut(t) {
- return 1 - Math.pow(2, -10 * t);
-}
+ // If no callback was specified, return the callback of the given type and name.
+ if (arguments.length < 2) {
+ while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t;
+ return;
+ }
-function expInOut(t) {
- return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2;
-}
+ // If a type was specified, set the callback for the given type and name.
+ // Otherwise, if a null callback was specified, remove callbacks of the given name.
+ if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback);
+ while (++i < n) {
+ if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback);
+ else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null);
+ }
-function circleIn(t) {
- return 1 - Math.sqrt(1 - t * t);
-}
-
-function circleOut(t) {
- return Math.sqrt(1 - --t * t);
-}
-
-function circleInOut(t) {
- return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2;
-}
-
-var b1 = 4 / 11;
-var b2 = 6 / 11;
-var b3 = 8 / 11;
-var b4 = 3 / 4;
-var b5 = 9 / 11;
-var b6 = 10 / 11;
-var b7 = 15 / 16;
-var b8 = 21 / 22;
-var b9 = 63 / 64;
-var b0 = 1 / b1 / b1;
-
-function bounceIn(t) {
- return 1 - bounceOut(1 - t);
-}
-
-function bounceOut(t) {
- return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9;
-}
-
-function bounceInOut(t) {
- return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2;
-}
-
-var overshoot = 1.70158;
-
-var backIn = (function custom(s) {
- s = +s;
-
- function backIn(t) {
- return t * t * ((s + 1) * t - s);
+ return this;
+ },
+ copy: function() {
+ var copy = {}, _ = this._;
+ for (var t in _) copy[t] = _[t].slice();
+ return new Dispatch(copy);
+ },
+ call: function(type, that) {
+ if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2];
+ if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
+ for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
+ },
+ apply: function(type, that, args) {
+ if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
+ for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
}
-
- backIn.overshoot = custom;
-
- return backIn;
-})(overshoot);
-
-var backOut = (function custom(s) {
- s = +s;
-
- function backOut(t) {
- return --t * t * ((s + 1) * t + s) + 1;
- }
-
- backOut.overshoot = custom;
-
- return backOut;
-})(overshoot);
-
-var backInOut = (function custom(s) {
- s = +s;
-
- function backInOut(t) {
- return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2;
- }
-
- backInOut.overshoot = custom;
-
- return backInOut;
-})(overshoot);
-
-var tau = 2 * Math.PI;
-var amplitude = 1;
-var period = 0.3;
-
-var elasticIn = (function custom(a, p) {
- var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
-
- function elasticIn(t) {
- return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p);
- }
-
- elasticIn.amplitude = function(a) { return custom(a, p * tau); };
- elasticIn.period = function(p) { return custom(a, p); };
-
- return elasticIn;
-})(amplitude, period);
-
-var elasticOut = (function custom(a, p) {
- var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
-
- function elasticOut(t) {
- return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p);
- }
-
- elasticOut.amplitude = function(a) { return custom(a, p * tau); };
- elasticOut.period = function(p) { return custom(a, p); };
-
- return elasticOut;
-})(amplitude, period);
-
-var elasticInOut = (function custom(a, p) {
- var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
-
- function elasticInOut(t) {
- return ((t = t * 2 - 1) < 0
- ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p)
- : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2;
- }
-
- elasticInOut.amplitude = function(a) { return custom(a, p * tau); };
- elasticInOut.period = function(p) { return custom(a, p); };
-
- return elasticInOut;
-})(amplitude, period);
-
-var area = function(polygon) {
- var i = -1,
- n = polygon.length,
- a,
- b = polygon[n - 1],
- area = 0;
-
- while (++i < n) {
- a = b;
- b = polygon[i];
- area += a[1] * b[0] - a[0] * b[1];
- }
-
- return area / 2;
};
-var centroid = function(polygon) {
- var i = -1,
- n = polygon.length,
- x = 0,
- y = 0,
- a,
- b = polygon[n - 1],
- c,
- k = 0;
-
- while (++i < n) {
- a = b;
- b = polygon[i];
- k += c = a[0] * b[1] - b[0] * a[1];
- x += (a[0] + b[0]) * c;
- y += (a[1] + b[1]) * c;
+function get(type, name) {
+ for (var i = 0, n = type.length, c; i < n; ++i) {
+ if ((c = type[i]).name === name) {
+ return c.value;
+ }
}
-
- return k *= 3, [x / k, y / k];
-};
-
-// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of
-// the 3D cross product in a quadrant I Cartesian coordinate system (+x is
-// right, +y is up). Returns a positive value if ABC is counter-clockwise,
-// negative if clockwise, and zero if the points are collinear.
-var cross = function(a, b, c) {
- return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
-};
-
-function lexicographicOrder(a, b) {
- return a[0] - b[0] || a[1] - b[1];
}
-// Computes the upper convex hull per the monotone chain algorithm.
-// Assumes points.length >= 3, is sorted by x, unique in y.
-// Returns an array of indices into points in left-to-right order.
-function computeUpperHullIndexes(points) {
- var n = points.length,
- indexes = [0, 1],
- size = 2;
-
- for (var i = 2; i < n; ++i) {
- while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size;
- indexes[size++] = i;
+function set(type, name, callback) {
+ for (var i = 0, n = type.length; i < n; ++i) {
+ if (type[i].name === name) {
+ type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1));
+ break;
+ }
}
-
- return indexes.slice(0, size); // remove popped points
+ if (callback != null) type.push({name: name, value: callback});
+ return type;
}
-var hull = function(points) {
- if ((n = points.length) < 3) return null;
+var xhtml = "http://www.w3.org/1999/xhtml";
- var i,
- n,
- sortedPoints = new Array(n),
- flippedPoints = new Array(n);
-
- for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i];
- sortedPoints.sort(lexicographicOrder);
- for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]];
-
- var upperIndexes = computeUpperHullIndexes(sortedPoints),
- lowerIndexes = computeUpperHullIndexes(flippedPoints);
-
- // Construct the hull polygon, removing possible duplicate endpoints.
- var skipLeft = lowerIndexes[0] === upperIndexes[0],
- skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1],
- hull = [];
-
- // Add upper hull in right-to-l order.
- // Then add lower hull in left-to-right order.
- for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]);
- for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]);
-
- return hull;
+var namespaces = {
+ svg: "http://www.w3.org/2000/svg",
+ xhtml: xhtml,
+ xlink: "http://www.w3.org/1999/xlink",
+ xml: "http://www.w3.org/XML/1998/namespace",
+ xmlns: "http://www.w3.org/2000/xmlns/"
};
-var contains = function(polygon, point) {
- var n = polygon.length,
- p = polygon[n - 1],
- x = point[0], y = point[1],
- x0 = p[0], y0 = p[1],
- x1, y1,
- inside = false;
-
- for (var i = 0; i < n; ++i) {
- p = polygon[i], x1 = p[0], y1 = p[1];
- if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside;
- x0 = x1, y0 = y1;
- }
-
- return inside;
+var namespace = function(name) {
+ var prefix = name += "", i = prefix.indexOf(":");
+ if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
+ return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name;
};
-var length$1 = function(polygon) {
- var i = -1,
- n = polygon.length,
- b = polygon[n - 1],
- xa,
- ya,
- xb = b[0],
- yb = b[1],
- perimeter = 0;
+function creatorInherit(name) {
+ return function() {
+ var document = this.ownerDocument,
+ uri = this.namespaceURI;
+ return uri === xhtml && document.documentElement.namespaceURI === xhtml
+ ? document.createElement(name)
+ : document.createElementNS(uri, name);
+ };
+}
- while (++i < n) {
- xa = xb;
- ya = yb;
- b = polygon[i];
- xb = b[0];
- yb = b[1];
- xa -= xb;
- ya -= yb;
- perimeter += Math.sqrt(xa * xa + ya * ya);
- }
+function creatorFixed(fullname) {
+ return function() {
+ return this.ownerDocument.createElementNS(fullname.space, fullname.local);
+ };
+}
- return perimeter;
+var creator = function(name) {
+ var fullname = namespace(name);
+ return (fullname.local
+ ? creatorFixed
+ : creatorInherit)(fullname);
};
-var pi$1 = Math.PI;
-var tau$1 = 2 * pi$1;
-var epsilon = 1e-6;
-var tauEpsilon = tau$1 - epsilon;
+var nextId = 0;
-function Path() {
- this._x0 = this._y0 = // start of current subpath
- this._x1 = this._y1 = null; // end of current subpath
- this._ = [];
+function local$1() {
+ return new Local;
}
-function path() {
- return new Path;
+function Local() {
+ this._ = "@" + (++nextId).toString(36);
}
-Path.prototype = path.prototype = {
- constructor: Path,
- moveTo: function(x, y) {
- this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y);
+Local.prototype = local$1.prototype = {
+ constructor: Local,
+ get: function(node) {
+ var id = this._;
+ while (!(id in node)) if (!(node = node.parentNode)) return;
+ return node[id];
},
- closePath: function() {
- if (this._x1 !== null) {
- this._x1 = this._x0, this._y1 = this._y0;
- this._.push("Z");
- }
+ set: function(node, value) {
+ return node[this._] = value;
},
- lineTo: function(x, y) {
- this._.push("L", this._x1 = +x, ",", this._y1 = +y);
+ remove: function(node) {
+ return this._ in node && delete node[this._];
},
- quadraticCurveTo: function(x1, y1, x, y) {
- this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y);
- },
- bezierCurveTo: function(x1, y1, x2, y2, x, y) {
- this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y);
- },
- arcTo: function(x1, y1, x2, y2, r) {
- x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;
- var x0 = this._x1,
- y0 = this._y1,
- x21 = x2 - x1,
- y21 = y2 - y1,
- x01 = x0 - x1,
- y01 = y0 - y1,
- l01_2 = x01 * x01 + y01 * y01;
-
- // Is the radius negative? Error.
- if (r < 0) throw new Error("negative radius: " + r);
-
- // Is this path empty? Move to (x1,y1).
- if (this._x1 === null) {
- this._.push(
- "M", this._x1 = x1, ",", this._y1 = y1
- );
- }
-
- // Or, is (x1,y1) coincident with (x0,y0)? Do nothing.
- else if (!(l01_2 > epsilon)) {}
-
- // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?
- // Equivalently, is (x1,y1) coincident with (x2,y2)?
- // Or, is the radius zero? Line to (x1,y1).
- else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {
- this._.push(
- "L", this._x1 = x1, ",", this._y1 = y1
- );
- }
-
- // Otherwise, draw an arc!
- else {
- var x20 = x2 - x0,
- y20 = y2 - y0,
- l21_2 = x21 * x21 + y21 * y21,
- l20_2 = x20 * x20 + y20 * y20,
- l21 = Math.sqrt(l21_2),
- l01 = Math.sqrt(l01_2),
- l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),
- t01 = l / l01,
- t21 = l / l21;
-
- // If the start tangent is not coincident with (x0,y0), line to.
- if (Math.abs(t01 - 1) > epsilon) {
- this._.push(
- "L", x1 + t01 * x01, ",", y1 + t01 * y01
- );
- }
-
- this._.push(
- "A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21
- );
- }
- },
- arc: function(x, y, r, a0, a1, ccw) {
- x = +x, y = +y, r = +r;
- var dx = r * Math.cos(a0),
- dy = r * Math.sin(a0),
- x0 = x + dx,
- y0 = y + dy,
- cw = 1 ^ ccw,
- da = ccw ? a0 - a1 : a1 - a0;
-
- // Is the radius negative? Error.
- if (r < 0) throw new Error("negative radius: " + r);
-
- // Is this path empty? Move to (x0,y0).
- if (this._x1 === null) {
- this._.push(
- "M", x0, ",", y0
- );
- }
-
- // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).
- else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {
- this._.push(
- "L", x0, ",", y0
- );
- }
-
- // Is this arc empty? We’re done.
- if (!r) return;
-
- // Is this a complete circle? Draw two arcs to complete the circle.
- if (da > tauEpsilon) {
- this._.push(
- "A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy,
- "A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0
- );
- }
-
- // Otherwise, draw an arc!
- else {
- if (da < 0) da = da % tau$1 + tau$1;
- this._.push(
- "A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1)
- );
- }
- },
- rect: function(x, y, w, h) {
- this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z");
- },
toString: function() {
- return this._.join("");
+ return this._;
}
};
-var tree_add = function(d) {
- var x = +this._x.call(null, d),
- y = +this._y.call(null, d);
- return add(this.cover(x, y), x, y, d);
+var matcher = function(selector) {
+ return function() {
+ return this.matches(selector);
+ };
};
-function add(tree, x, y, d) {
- if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points
-
- var parent,
- node = tree._root,
- leaf = {data: d},
- x0 = tree._x0,
- y0 = tree._y0,
- x1 = tree._x1,
- y1 = tree._y1,
- xm,
- ym,
- xp,
- yp,
- right,
- bottom,
- i,
- j;
-
- // If the tree is empty, initialize the root as a leaf.
- if (!node) return tree._root = leaf, tree;
-
- // Find the existing leaf for the new point, or add it.
- while (node.length) {
- if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
- if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
- if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree;
+if (typeof document !== "undefined") {
+ var element = document.documentElement;
+ if (!element.matches) {
+ var vendorMatches = element.webkitMatchesSelector
+ || element.msMatchesSelector
+ || element.mozMatchesSelector
+ || element.oMatchesSelector;
+ matcher = function(selector) {
+ return function() {
+ return vendorMatches.call(this, selector);
+ };
+ };
}
-
- // Is the new point is exactly coincident with the existing point?
- xp = +tree._x.call(null, node.data);
- yp = +tree._y.call(null, node.data);
- if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree;
-
- // Otherwise, split the leaf node until the old and new point are separated.
- do {
- parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4);
- if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
- if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
- } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm)));
- return parent[j] = node, parent[i] = leaf, tree;
}
-function addAll(data) {
- var d, i, n = data.length,
- x,
- y,
- xz = new Array(n),
- yz = new Array(n),
- x0 = Infinity,
- y0 = Infinity,
- x1 = -Infinity,
- y1 = -Infinity;
+var matcher$1 = matcher;
- // Compute the points and their extent.
- for (i = 0; i < n; ++i) {
- if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue;
- xz[i] = x;
- yz[i] = y;
- if (x < x0) x0 = x;
- if (x > x1) x1 = x;
- if (y < y0) y0 = y;
- if (y > y1) y1 = y;
- }
+var filterEvents = {};
- // If there were no (valid) points, inherit the existing extent.
- if (x1 < x0) x0 = this._x0, x1 = this._x1;
- if (y1 < y0) y0 = this._y0, y1 = this._y1;
+exports.event = null;
- // Expand the tree to cover the new points.
- this.cover(x0, y0).cover(x1, y1);
-
- // Add the new points.
- for (i = 0; i < n; ++i) {
- add(this, xz[i], yz[i], data[i]);
+if (typeof document !== "undefined") {
+ var element$1 = document.documentElement;
+ if (!("onmouseenter" in element$1)) {
+ filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"};
}
+}
- return this;
+function filterContextListener(listener, index, group) {
+ listener = contextListener(listener, index, group);
+ return function(event) {
+ var related = event.relatedTarget;
+ if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) {
+ listener.call(this, event);
+ }
+ };
}
-var tree_cover = function(x, y) {
- if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points
+function contextListener(listener, index, group) {
+ return function(event1) {
+ var event0 = exports.event; // Events can be reentrant (e.g., focus).
+ exports.event = event1;
+ try {
+ listener.call(this, this.__data__, index, group);
+ } finally {
+ exports.event = event0;
+ }
+ };
+}
- var x0 = this._x0,
- y0 = this._y0,
- x1 = this._x1,
- y1 = this._y1;
+function parseTypenames$1(typenames) {
+ return typenames.trim().split(/^|\s+/).map(function(t) {
+ var name = "", i = t.indexOf(".");
+ if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
+ return {type: t, name: name};
+ });
+}
- // If the quadtree has no extent, initialize them.
- // Integer extent are necessary so that if we later double the extent,
- // the existing quadrant boundaries don’t change due to floating point error!
- if (isNaN(x0)) {
- x1 = (x0 = Math.floor(x)) + 1;
- y1 = (y0 = Math.floor(y)) + 1;
- }
+function onRemove(typename) {
+ return function() {
+ var on = this.__on;
+ if (!on) return;
+ for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {
+ if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {
+ this.removeEventListener(o.type, o.listener, o.capture);
+ } else {
+ on[++i] = o;
+ }
+ }
+ if (++i) on.length = i;
+ else delete this.__on;
+ };
+}
- // Otherwise, double repeatedly to cover.
- else if (x0 > x || x > x1 || y0 > y || y > y1) {
- var z = x1 - x0,
- node = this._root,
- parent,
- i;
-
- switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) {
- case 0: {
- do parent = new Array(4), parent[i] = node, node = parent;
- while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1);
- break;
+function onAdd(typename, value, capture) {
+ var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener;
+ return function(d, i, group) {
+ var on = this.__on, o, listener = wrap(value, i, group);
+ if (on) for (var j = 0, m = on.length; j < m; ++j) {
+ if ((o = on[j]).type === typename.type && o.name === typename.name) {
+ this.removeEventListener(o.type, o.listener, o.capture);
+ this.addEventListener(o.type, o.listener = listener, o.capture = capture);
+ o.value = value;
+ return;
}
- case 1: {
- do parent = new Array(4), parent[i] = node, node = parent;
- while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1);
- break;
- }
- case 2: {
- do parent = new Array(4), parent[i] = node, node = parent;
- while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y);
- break;
- }
- case 3: {
- do parent = new Array(4), parent[i] = node, node = parent;
- while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y);
- break;
- }
}
+ this.addEventListener(typename.type, listener, capture);
+ o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture};
+ if (!on) this.__on = [o];
+ else on.push(o);
+ };
+}
- if (this._root && this._root.length) this._root = node;
+var selection_on = function(typename, value, capture) {
+ var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t;
+
+ if (arguments.length < 2) {
+ var on = this.node().__on;
+ if (on) for (var j = 0, m = on.length, o; j < m; ++j) {
+ for (i = 0, o = on[j]; i < n; ++i) {
+ if ((t = typenames[i]).type === o.type && t.name === o.name) {
+ return o.value;
+ }
+ }
+ }
+ return;
}
- // If the quadtree covers the point already, just return.
- else return this;
-
- this._x0 = x0;
- this._y0 = y0;
- this._x1 = x1;
- this._y1 = y1;
+ on = value ? onAdd : onRemove;
+ if (capture == null) capture = false;
+ for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture));
return this;
};
-var tree_data = function() {
- var data = [];
- this.visit(function(node) {
- if (!node.length) do data.push(node.data); while (node = node.next)
- });
- return data;
-};
+function customEvent(event1, listener, that, args) {
+ var event0 = exports.event;
+ event1.sourceEvent = exports.event;
+ exports.event = event1;
+ try {
+ return listener.apply(that, args);
+ } finally {
+ exports.event = event0;
+ }
+}
-var tree_extent = function(_) {
- return arguments.length
- ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1])
- : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]];
+var sourceEvent = function() {
+ var current = exports.event, source;
+ while (source = current.sourceEvent) current = source;
+ return current;
};
-var Quad = function(node, x0, y0, x1, y1) {
- this.node = node;
- this.x0 = x0;
- this.y0 = y0;
- this.x1 = x1;
- this.y1 = y1;
-};
+var point = function(node, event) {
+ var svg = node.ownerSVGElement || node;
-var tree_find = function(x, y, radius) {
- var data,
- x0 = this._x0,
- y0 = this._y0,
- x1,
- y1,
- x2,
- y2,
- x3 = this._x1,
- y3 = this._y1,
- quads = [],
- node = this._root,
- q,
- i;
-
- if (node) quads.push(new Quad(node, x0, y0, x3, y3));
- if (radius == null) radius = Infinity;
- else {
- x0 = x - radius, y0 = y - radius;
- x3 = x + radius, y3 = y + radius;
- radius *= radius;
+ if (svg.createSVGPoint) {
+ var point = svg.createSVGPoint();
+ point.x = event.clientX, point.y = event.clientY;
+ point = point.matrixTransform(node.getScreenCTM().inverse());
+ return [point.x, point.y];
}
- while (q = quads.pop()) {
+ var rect = node.getBoundingClientRect();
+ return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];
+};
- // Stop searching if this quadrant can’t contain a closer node.
- if (!(node = q.node)
- || (x1 = q.x0) > x3
- || (y1 = q.y0) > y3
- || (x2 = q.x1) < x0
- || (y2 = q.y1) < y0) continue;
+var mouse = function(node) {
+ var event = sourceEvent();
+ if (event.changedTouches) event = event.changedTouches[0];
+ return point(node, event);
+};
- // Bisect the current quadrant.
- if (node.length) {
- var xm = (x1 + x2) / 2,
- ym = (y1 + y2) / 2;
+function none() {}
- quads.push(
- new Quad(node[3], xm, ym, x2, y2),
- new Quad(node[2], x1, ym, xm, y2),
- new Quad(node[1], xm, y1, x2, ym),
- new Quad(node[0], x1, y1, xm, ym)
- );
+var selector = function(selector) {
+ return selector == null ? none : function() {
+ return this.querySelector(selector);
+ };
+};
- // Visit the closest quadrant first.
- if (i = (y >= ym) << 1 | (x >= xm)) {
- q = quads[quads.length - 1];
- quads[quads.length - 1] = quads[quads.length - 1 - i];
- quads[quads.length - 1 - i] = q;
- }
- }
+var selection_select = function(select) {
+ if (typeof select !== "function") select = selector(select);
- // Visit this point. (Visiting coincident points isn’t necessary!)
- else {
- var dx = x - +this._x.call(null, node.data),
- dy = y - +this._y.call(null, node.data),
- d2 = dx * dx + dy * dy;
- if (d2 < radius) {
- var d = Math.sqrt(radius = d2);
- x0 = x - d, y0 = y - d;
- x3 = x + d, y3 = y + d;
- data = node.data;
+ for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
+ for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
+ if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {
+ if ("__data__" in node) subnode.__data__ = node.__data__;
+ subgroup[i] = subnode;
}
}
}
- return data;
+ return new Selection(subgroups, this._parents);
};
-var tree_remove = function(d) {
- if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points
+function empty$1() {
+ return [];
+}
- var parent,
- node = this._root,
- retainer,
- previous,
- next,
- x0 = this._x0,
- y0 = this._y0,
- x1 = this._x1,
- y1 = this._y1,
- x,
- y,
- xm,
- ym,
- right,
- bottom,
- i,
- j;
+var selectorAll = function(selector) {
+ return selector == null ? empty$1 : function() {
+ return this.querySelectorAll(selector);
+ };
+};
- // If the tree is empty, initialize the root as a leaf.
- if (!node) return this;
+var selection_selectAll = function(select) {
+ if (typeof select !== "function") select = selectorAll(select);
- // Find the leaf node for the point.
- // While descending, also retain the deepest parent with a non-removed sibling.
- if (node.length) while (true) {
- if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
- if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
- if (!(parent = node, node = node[i = bottom << 1 | right])) return this;
- if (!node.length) break;
- if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i;
+ for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
+ for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
+ if (node = group[i]) {
+ subgroups.push(select.call(node, node.__data__, i, group));
+ parents.push(node);
+ }
+ }
}
- // Find the point to remove.
- while (node.data !== d) if (!(previous = node, node = node.next)) return this;
- if (next = node.next) delete node.next;
+ return new Selection(subgroups, parents);
+};
- // If there are multiple coincident points, remove just the point.
- if (previous) return (next ? previous.next = next : delete previous.next), this;
+var selection_filter = function(match) {
+ if (typeof match !== "function") match = matcher$1(match);
- // If this is the root point, remove it.
- if (!parent) return this._root = next, this;
-
- // Remove this leaf.
- next ? parent[i] = next : delete parent[i];
-
- // If the parent now contains exactly one leaf, collapse superfluous parents.
- if ((node = parent[0] || parent[1] || parent[2] || parent[3])
- && node === (parent[3] || parent[2] || parent[1] || parent[0])
- && !node.length) {
- if (retainer) retainer[j] = node;
- else this._root = node;
+ for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
+ for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {
+ if ((node = group[i]) && match.call(node, node.__data__, i, group)) {
+ subgroup.push(node);
+ }
+ }
}
- return this;
+ return new Selection(subgroups, this._parents);
};
-function removeAll(data) {
- for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]);
- return this;
-}
-
-var tree_root = function() {
- return this._root;
+var sparse = function(update) {
+ return new Array(update.length);
};
-var tree_size = function() {
- var size = 0;
- this.visit(function(node) {
- if (!node.length) do ++size; while (node = node.next)
- });
- return size;
+var selection_enter = function() {
+ return new Selection(this._enter || this._groups.map(sparse), this._parents);
};
-var tree_visit = function(callback) {
- var quads = [], q, node = this._root, child, x0, y0, x1, y1;
- if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1));
- while (q = quads.pop()) {
- if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) {
- var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
- if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
- if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
- if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
- if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
- }
- }
- return this;
-};
-
-var tree_visitAfter = function(callback) {
- var quads = [], next = [], q;
- if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1));
- while (q = quads.pop()) {
- var node = q.node;
- if (node.length) {
- var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
- if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
- if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
- if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
- if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
- }
- next.push(q);
- }
- while (q = next.pop()) {
- callback(q.node, q.x0, q.y0, q.x1, q.y1);
- }
- return this;
-};
-
-function defaultX(d) {
- return d[0];
+function EnterNode(parent, datum) {
+ this.ownerDocument = parent.ownerDocument;
+ this.namespaceURI = parent.namespaceURI;
+ this._next = null;
+ this._parent = parent;
+ this.__data__ = datum;
}
-var tree_x = function(_) {
- return arguments.length ? (this._x = _, this) : this._x;
+EnterNode.prototype = {
+ constructor: EnterNode,
+ appendChild: function(child) { return this._parent.insertBefore(child, this._next); },
+ insertBefore: function(child, next) { return this._parent.insertBefore(child, next); },
+ querySelector: function(selector) { return this._parent.querySelector(selector); },
+ querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); }
};
-function defaultY(d) {
- return d[1];
-}
-
-var tree_y = function(_) {
- return arguments.length ? (this._y = _, this) : this._y;
+var constant$1 = function(x) {
+ return function() {
+ return x;
+ };
};
-function quadtree(nodes, x, y) {
- var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN);
- return nodes == null ? tree : tree.addAll(nodes);
-}
+var keyPrefix = "$"; // Protect against keys like “__proto__”.
-function Quadtree(x, y, x0, y0, x1, y1) {
- this._x = x;
- this._y = y;
- this._x0 = x0;
- this._y0 = y0;
- this._x1 = x1;
- this._y1 = y1;
- this._root = undefined;
-}
+function bindIndex(parent, group, enter, update, exit, data) {
+ var i = 0,
+ node,
+ groupLength = group.length,
+ dataLength = data.length;
-function leaf_copy(leaf) {
- var copy = {data: leaf.data}, next = copy;
- while (leaf = leaf.next) next = next.next = {data: leaf.data};
- return copy;
-}
-
-var treeProto = quadtree.prototype = Quadtree.prototype;
-
-treeProto.copy = function() {
- var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1),
- node = this._root,
- nodes,
- child;
-
- if (!node) return copy;
-
- if (!node.length) return copy._root = leaf_copy(node), copy;
-
- nodes = [{source: node, target: copy._root = new Array(4)}];
- while (node = nodes.pop()) {
- for (var i = 0; i < 4; ++i) {
- if (child = node.source[i]) {
- if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)});
- else node.target[i] = leaf_copy(child);
- }
+ // Put any non-null nodes that fit into update.
+ // Put any null nodes into enter.
+ // Put any remaining data into enter.
+ for (; i < dataLength; ++i) {
+ if (node = group[i]) {
+ node.__data__ = data[i];
+ update[i] = node;
+ } else {
+ enter[i] = new EnterNode(parent, data[i]);
}
}
- return copy;
-};
-
-treeProto.add = tree_add;
-treeProto.addAll = addAll;
-treeProto.cover = tree_cover;
-treeProto.data = tree_data;
-treeProto.extent = tree_extent;
-treeProto.find = tree_find;
-treeProto.remove = tree_remove;
-treeProto.removeAll = removeAll;
-treeProto.root = tree_root;
-treeProto.size = tree_size;
-treeProto.visit = tree_visit;
-treeProto.visitAfter = tree_visitAfter;
-treeProto.x = tree_x;
-treeProto.y = tree_y;
-
-var slice$1 = [].slice;
-
-var noabort = {};
-
-function Queue(size) {
- if (!(size >= 1)) throw new Error;
- this._size = size;
- this._call =
- this._error = null;
- this._tasks = [];
- this._data = [];
- this._waiting =
- this._active =
- this._ended =
- this._start = 0; // inside a synchronous task callback?
+ // Put any non-null nodes that don’t fit into exit.
+ for (; i < groupLength; ++i) {
+ if (node = group[i]) {
+ exit[i] = node;
+ }
+ }
}
-Queue.prototype = queue.prototype = {
- constructor: Queue,
- defer: function(callback) {
- if (typeof callback !== "function" || this._call) throw new Error;
- if (this._error != null) return this;
- var t = slice$1.call(arguments, 1);
- t.push(callback);
- ++this._waiting, this._tasks.push(t);
- poke(this);
- return this;
- },
- abort: function() {
- if (this._error == null) abort(this, new Error("abort"));
- return this;
- },
- await: function(callback) {
- if (typeof callback !== "function" || this._call) throw new Error;
- this._call = function(error, results) { callback.apply(null, [error].concat(results)); };
- maybeNotify(this);
- return this;
- },
- awaitAll: function(callback) {
- if (typeof callback !== "function" || this._call) throw new Error;
- this._call = callback;
- maybeNotify(this);
- return this;
- }
-};
+function bindKey(parent, group, enter, update, exit, data, key) {
+ var i,
+ node,
+ nodeByKeyValue = {},
+ groupLength = group.length,
+ dataLength = data.length,
+ keyValues = new Array(groupLength),
+ keyValue;
-function poke(q) {
- if (!q._start) {
- try { start(q); } // let the current task complete
- catch (e) {
- if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously
- else if (!q._data) throw e; // await callback errored synchronously
+ // Compute the key for each node.
+ // If multiple nodes have the same key, the duplicates are added to exit.
+ for (i = 0; i < groupLength; ++i) {
+ if (node = group[i]) {
+ keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group);
+ if (keyValue in nodeByKeyValue) {
+ exit[i] = node;
+ } else {
+ nodeByKeyValue[keyValue] = node;
+ }
}
}
-}
-function start(q) {
- while (q._start = q._waiting && q._active < q._size) {
- var i = q._ended + q._active,
- t = q._tasks[i],
- j = t.length - 1,
- c = t[j];
- t[j] = end(q, i);
- --q._waiting, ++q._active;
- t = c.apply(null, t);
- if (!q._tasks[i]) continue; // task finished synchronously
- q._tasks[i] = t || noabort;
- }
-}
-
-function end(q, i) {
- return function(e, r) {
- if (!q._tasks[i]) return; // ignore multiple callbacks
- --q._active, ++q._ended;
- q._tasks[i] = null;
- if (q._error != null) return; // ignore secondary errors
- if (e != null) {
- abort(q, e);
+ // Compute the key for each datum.
+ // If there a node associated with this key, join and add it to update.
+ // If there is not (or the key is a duplicate), add it to enter.
+ for (i = 0; i < dataLength; ++i) {
+ keyValue = keyPrefix + key.call(parent, data[i], i, data);
+ if (node = nodeByKeyValue[keyValue]) {
+ update[i] = node;
+ node.__data__ = data[i];
+ nodeByKeyValue[keyValue] = null;
} else {
- q._data[i] = r;
- if (q._waiting) poke(q);
- else maybeNotify(q);
+ enter[i] = new EnterNode(parent, data[i]);
}
- };
-}
+ }
-function abort(q, e) {
- var i = q._tasks.length, t;
- q._error = e; // ignore active callbacks
- q._data = undefined; // allow gc
- q._waiting = NaN; // prevent starting
-
- while (--i >= 0) {
- if (t = q._tasks[i]) {
- q._tasks[i] = null;
- if (t.abort) {
- try { t.abort(); }
- catch (e) { /* ignore */ }
- }
+ // Add any remaining nodes that were not bound to data to exit.
+ for (i = 0; i < groupLength; ++i) {
+ if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) {
+ exit[i] = node;
}
}
-
- q._active = NaN; // allow notification
- maybeNotify(q);
}
-function maybeNotify(q) {
- if (!q._active && q._call) {
- var d = q._data;
- q._data = undefined; // allow gc
- q._call(q._error, d);
+var selection_data = function(value, key) {
+ if (!value) {
+ data = new Array(this.size()), j = -1;
+ this.each(function(d) { data[++j] = d; });
+ return data;
}
-}
-function queue(concurrency) {
- return new Queue(arguments.length ? +concurrency : Infinity);
-}
+ var bind = key ? bindKey : bindIndex,
+ parents = this._parents,
+ groups = this._groups;
-var constant$2 = function(x) {
- return function constant() {
- return x;
- };
-};
+ if (typeof value !== "function") value = constant$1(value);
-var epsilon$1 = 1e-12;
-var pi$2 = Math.PI;
-var halfPi$1 = pi$2 / 2;
-var tau$2 = 2 * pi$2;
+ for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) {
+ var parent = parents[j],
+ group = groups[j],
+ groupLength = group.length,
+ data = value.call(parent, parent && parent.__data__, j, parents),
+ dataLength = data.length,
+ enterGroup = enter[j] = new Array(dataLength),
+ updateGroup = update[j] = new Array(dataLength),
+ exitGroup = exit[j] = new Array(groupLength);
-function arcInnerRadius(d) {
- return d.innerRadius;
-}
+ bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);
-function arcOuterRadius(d) {
- return d.outerRadius;
-}
-
-function arcStartAngle(d) {
- return d.startAngle;
-}
-
-function arcEndAngle(d) {
- return d.endAngle;
-}
-
-function arcPadAngle(d) {
- return d && d.padAngle; // Note: optional!
-}
-
-function asin(x) {
- return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x);
-}
-
-function intersect(x0, y0, x1, y1, x2, y2, x3, y3) {
- var x10 = x1 - x0, y10 = y1 - y0,
- x32 = x3 - x2, y32 = y3 - y2,
- t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10);
- return [x0 + t * x10, y0 + t * y10];
-}
-
-// Compute perpendicular offset line of length rc.
-// http://mathworld.wolfram.com/Circle-LineIntersection.html
-function cornerTangents(x0, y0, x1, y1, r1, rc, cw) {
- var x01 = x0 - x1,
- y01 = y0 - y1,
- lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01),
- ox = lo * y01,
- oy = -lo * x01,
- x11 = x0 + ox,
- y11 = y0 + oy,
- x10 = x1 + ox,
- y10 = y1 + oy,
- x00 = (x11 + x10) / 2,
- y00 = (y11 + y10) / 2,
- dx = x10 - x11,
- dy = y10 - y11,
- d2 = dx * dx + dy * dy,
- r = r1 - rc,
- D = x11 * y10 - x10 * y11,
- d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)),
- cx0 = (D * dy - dx * d) / d2,
- cy0 = (-D * dx - dy * d) / d2,
- cx1 = (D * dy + dx * d) / d2,
- cy1 = (-D * dx + dy * d) / d2,
- dx0 = cx0 - x00,
- dy0 = cy0 - y00,
- dx1 = cx1 - x00,
- dy1 = cy1 - y00;
-
- // Pick the closer of the two intersection points.
- // TODO Is there a faster way to determine which intersection to use?
- if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
-
- return {
- cx: cx0,
- cy: cy0,
- x01: -ox,
- y01: -oy,
- x11: cx0 * (r1 / r - 1),
- y11: cy0 * (r1 / r - 1)
- };
-}
-
-var arc = function() {
- var innerRadius = arcInnerRadius,
- outerRadius = arcOuterRadius,
- cornerRadius = constant$2(0),
- padRadius = null,
- startAngle = arcStartAngle,
- endAngle = arcEndAngle,
- padAngle = arcPadAngle,
- context = null;
-
- function arc() {
- var buffer,
- r,
- r0 = +innerRadius.apply(this, arguments),
- r1 = +outerRadius.apply(this, arguments),
- a0 = startAngle.apply(this, arguments) - halfPi$1,
- a1 = endAngle.apply(this, arguments) - halfPi$1,
- da = Math.abs(a1 - a0),
- cw = a1 > a0;
-
- if (!context) context = buffer = path();
-
- // Ensure that the outer radius is always larger than the inner radius.
- if (r1 < r0) r = r1, r1 = r0, r0 = r;
-
- // Is it a point?
- if (!(r1 > epsilon$1)) context.moveTo(0, 0);
-
- // Or is it a circle or annulus?
- else if (da > tau$2 - epsilon$1) {
- context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0));
- context.arc(0, 0, r1, a0, a1, !cw);
- if (r0 > epsilon$1) {
- context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1));
- context.arc(0, 0, r0, a1, a0, cw);
+ // Now connect the enter nodes to their following update node, such that
+ // appendChild can insert the materialized enter node before this node,
+ // rather than at the end of the parent node.
+ for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {
+ if (previous = enterGroup[i0]) {
+ if (i0 >= i1) i1 = i0 + 1;
+ while (!(next = updateGroup[i1]) && ++i1 < dataLength);
+ previous._next = next || null;
}
}
+ }
- // Or is it a circular or annular sector?
- else {
- var a01 = a0,
- a11 = a1,
- a00 = a0,
- a10 = a1,
- da0 = da,
- da1 = da,
- ap = padAngle.apply(this, arguments) / 2,
- rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)),
- rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)),
- rc0 = rc,
- rc1 = rc,
- t0,
- t1;
+ update = new Selection(update, parents);
+ update._enter = enter;
+ update._exit = exit;
+ return update;
+};
- // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0.
- if (rp > epsilon$1) {
- var p0 = asin(rp / r0 * Math.sin(ap)),
- p1 = asin(rp / r1 * Math.sin(ap));
- if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0;
- else da0 = 0, a00 = a10 = (a0 + a1) / 2;
- if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1;
- else da1 = 0, a01 = a11 = (a0 + a1) / 2;
- }
+var selection_exit = function() {
+ return new Selection(this._exit || this._groups.map(sparse), this._parents);
+};
- var x01 = r1 * Math.cos(a01),
- y01 = r1 * Math.sin(a01),
- x10 = r0 * Math.cos(a10),
- y10 = r0 * Math.sin(a10);
+var selection_merge = function(selection) {
- // Apply rounded corners?
- if (rc > epsilon$1) {
- var x11 = r1 * Math.cos(a11),
- y11 = r1 * Math.sin(a11),
- x00 = r0 * Math.cos(a00),
- y00 = r0 * Math.sin(a00);
-
- // Restrict the corner radius according to the sector angle.
- if (da < pi$2) {
- var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10],
- ax = x01 - oc[0],
- ay = y01 - oc[1],
- bx = x11 - oc[0],
- by = y11 - oc[1],
- kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2),
- lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
- rc0 = Math.min(rc, (r0 - lc) / (kc - 1));
- rc1 = Math.min(rc, (r1 - lc) / (kc + 1));
- }
+ for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {
+ for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {
+ if (node = group0[i] || group1[i]) {
+ merge[i] = node;
}
+ }
+ }
- // Is the sector collapsed to a line?
- if (!(da1 > epsilon$1)) context.moveTo(x01, y01);
+ for (; j < m0; ++j) {
+ merges[j] = groups0[j];
+ }
- // Does the sector’s outer ring have rounded corners?
- else if (rc1 > epsilon$1) {
- t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw);
- t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw);
+ return new Selection(merges, this._parents);
+};
- context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01);
+var selection_order = function() {
- // Have the corners merged?
- if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw);
-
- // Otherwise, draw the two corners and the ring.
- else {
- context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw);
- context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw);
- context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw);
- }
+ for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) {
+ for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
+ if (node = group[i]) {
+ if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+ next = node;
}
+ }
+ }
- // Or is the outer ring just a circular arc?
- else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw);
+ return this;
+};
- // Is there no inner ring, and it’s a circular sector?
- // Or perhaps it’s an annular sector collapsed due to padding?
- if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10);
+var selection_sort = function(compare) {
+ if (!compare) compare = ascending$1;
- // Does the sector’s inner ring (or point) have rounded corners?
- else if (rc0 > epsilon$1) {
- t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw);
- t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw);
+ function compareNode(a, b) {
+ return a && b ? compare(a.__data__, b.__data__) : !a - !b;
+ }
- context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01);
-
- // Have the corners merged?
- if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw);
-
- // Otherwise, draw the two corners and the ring.
- else {
- context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw);
- context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw);
- context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw);
- }
+ for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {
+ for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {
+ if (node = group[i]) {
+ sortgroup[i] = node;
}
-
- // Or is the inner ring just a circular arc?
- else context.arc(0, 0, r0, a10, a00, cw);
}
-
- context.closePath();
-
- if (buffer) return context = null, buffer + "" || null;
+ sortgroup.sort(compareNode);
}
- arc.centroid = function() {
- var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2,
- a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2;
- return [Math.cos(a) * r, Math.sin(a) * r];
- };
-
- arc.innerRadius = function(_) {
- return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : innerRadius;
- };
-
- arc.outerRadius = function(_) {
- return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : outerRadius;
- };
-
- arc.cornerRadius = function(_) {
- return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$2(+_), arc) : cornerRadius;
- };
-
- arc.padRadius = function(_) {
- return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), arc) : padRadius;
- };
-
- arc.startAngle = function(_) {
- return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : startAngle;
- };
-
- arc.endAngle = function(_) {
- return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : endAngle;
- };
-
- arc.padAngle = function(_) {
- return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), arc) : padAngle;
- };
-
- arc.context = function(_) {
- return arguments.length ? ((context = _ == null ? null : _), arc) : context;
- };
-
- return arc;
+ return new Selection(sortgroups, this._parents).order();
};
-function Linear(context) {
- this._context = context;
+function ascending$1(a, b) {
+ return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
}
-Linear.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._point = 0;
- },
- lineEnd: function() {
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; // proceed
- default: this._context.lineTo(x, y); break;
- }
- }
+var selection_call = function() {
+ var callback = arguments[0];
+ arguments[0] = this;
+ callback.apply(null, arguments);
+ return this;
};
-var curveLinear = function(context) {
- return new Linear(context);
+var selection_nodes = function() {
+ var nodes = new Array(this.size()), i = -1;
+ this.each(function() { nodes[++i] = this; });
+ return nodes;
};
-function x(p) {
- return p[0];
-}
+var selection_node = function() {
-function y(p) {
- return p[1];
-}
-
-var line = function() {
- var x$$1 = x,
- y$$1 = y,
- defined = constant$2(true),
- context = null,
- curve = curveLinear,
- output = null;
-
- function line(data) {
- var i,
- n = data.length,
- d,
- defined0 = false,
- buffer;
-
- if (context == null) output = curve(buffer = path());
-
- for (i = 0; i <= n; ++i) {
- if (!(i < n && defined(d = data[i], i, data)) === defined0) {
- if (defined0 = !defined0) output.lineStart();
- else output.lineEnd();
- }
- if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data));
+ for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
+ for (var group = groups[j], i = 0, n = group.length; i < n; ++i) {
+ var node = group[i];
+ if (node) return node;
}
-
- if (buffer) return output = null, buffer + "" || null;
}
- line.x = function(_) {
- return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : x$$1;
- };
+ return null;
+};
- line.y = function(_) {
- return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$2(+_), line) : y$$1;
- };
+var selection_size = function() {
+ var size = 0;
+ this.each(function() { ++size; });
+ return size;
+};
- line.defined = function(_) {
- return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), line) : defined;
- };
-
- line.curve = function(_) {
- return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve;
- };
-
- line.context = function(_) {
- return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context;
- };
-
- return line;
+var selection_empty = function() {
+ return !this.node();
};
-var area$1 = function() {
- var x0 = x,
- x1 = null,
- y0 = constant$2(0),
- y1 = y,
- defined = constant$2(true),
- context = null,
- curve = curveLinear,
- output = null;
+var selection_each = function(callback) {
- function area(data) {
- var i,
- j,
- k,
- n = data.length,
- d,
- defined0 = false,
- buffer,
- x0z = new Array(n),
- y0z = new Array(n);
-
- if (context == null) output = curve(buffer = path());
-
- for (i = 0; i <= n; ++i) {
- if (!(i < n && defined(d = data[i], i, data)) === defined0) {
- if (defined0 = !defined0) {
- j = i;
- output.areaStart();
- output.lineStart();
- } else {
- output.lineEnd();
- output.lineStart();
- for (k = i - 1; k >= j; --k) {
- output.point(x0z[k], y0z[k]);
- }
- output.lineEnd();
- output.areaEnd();
- }
- }
- if (defined0) {
- x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data);
- output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]);
- }
+ for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
+ for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
+ if (node = group[i]) callback.call(node, node.__data__, i, group);
}
-
- if (buffer) return output = null, buffer + "" || null;
}
- function arealine() {
- return line().defined(defined).curve(curve).context(context);
- }
+ return this;
+};
- area.x = function(_) {
- return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), x1 = null, area) : x0;
+function attrRemove(name) {
+ return function() {
+ this.removeAttribute(name);
};
+}
- area.x0 = function(_) {
- return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$2(+_), area) : x0;
+function attrRemoveNS(fullname) {
+ return function() {
+ this.removeAttributeNS(fullname.space, fullname.local);
};
+}
- area.x1 = function(_) {
- return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : x1;
+function attrConstant(name, value) {
+ return function() {
+ this.setAttribute(name, value);
};
+}
- area.y = function(_) {
- return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), y1 = null, area) : y0;
+function attrConstantNS(fullname, value) {
+ return function() {
+ this.setAttributeNS(fullname.space, fullname.local, value);
};
+}
- area.y0 = function(_) {
- return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$2(+_), area) : y0;
+function attrFunction(name, value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) this.removeAttribute(name);
+ else this.setAttribute(name, v);
};
+}
- area.y1 = function(_) {
- return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$2(+_), area) : y1;
+function attrFunctionNS(fullname, value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) this.removeAttributeNS(fullname.space, fullname.local);
+ else this.setAttributeNS(fullname.space, fullname.local, v);
};
+}
- area.lineX0 =
- area.lineY0 = function() {
- return arealine().x(x0).y(y0);
- };
+var selection_attr = function(name, value) {
+ var fullname = namespace(name);
- area.lineY1 = function() {
- return arealine().x(x0).y(y1);
- };
+ if (arguments.length < 2) {
+ var node = this.node();
+ return fullname.local
+ ? node.getAttributeNS(fullname.space, fullname.local)
+ : node.getAttribute(fullname);
+ }
- area.lineX1 = function() {
- return arealine().x(x1).y(y0);
- };
-
- area.defined = function(_) {
- return arguments.length ? (defined = typeof _ === "function" ? _ : constant$2(!!_), area) : defined;
- };
-
- area.curve = function(_) {
- return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve;
- };
-
- area.context = function(_) {
- return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context;
- };
-
- return area;
+ return this.each((value == null
+ ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function"
+ ? (fullname.local ? attrFunctionNS : attrFunction)
+ : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value));
};
-var descending$1 = function(a, b) {
- return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+var window = function(node) {
+ return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node
+ || (node.document && node) // node is a Window
+ || node.defaultView; // node is a Document
};
-var identity$1 = function(d) {
- return d;
-};
-
-var pie = function() {
- var value = identity$1,
- sortValues = descending$1,
- sort = null,
- startAngle = constant$2(0),
- endAngle = constant$2(tau$2),
- padAngle = constant$2(0);
-
- function pie(data) {
- var i,
- n = data.length,
- j,
- k,
- sum = 0,
- index = new Array(n),
- arcs = new Array(n),
- a0 = +startAngle.apply(this, arguments),
- da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)),
- a1,
- p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)),
- pa = p * (da < 0 ? -1 : 1),
- v;
-
- for (i = 0; i < n; ++i) {
- if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) {
- sum += v;
- }
- }
-
- // Optionally sort the arcs by previously-computed values or by data.
- if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); });
- else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); });
-
- // Compute the arcs! They are stored in the original data's order.
- for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) {
- j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = {
- data: data[j],
- index: i,
- value: v,
- startAngle: a0,
- endAngle: a1,
- padAngle: p
- };
- }
-
- return arcs;
- }
-
- pie.value = function(_) {
- return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), pie) : value;
+function styleRemove(name) {
+ return function() {
+ this.style.removeProperty(name);
};
+}
- pie.sortValues = function(_) {
- return arguments.length ? (sortValues = _, sort = null, pie) : sortValues;
+function styleConstant(name, value, priority) {
+ return function() {
+ this.style.setProperty(name, value, priority);
};
+}
- pie.sort = function(_) {
- return arguments.length ? (sort = _, sortValues = null, pie) : sort;
+function styleFunction(name, value, priority) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) this.style.removeProperty(name);
+ else this.style.setProperty(name, v, priority);
};
+}
- pie.startAngle = function(_) {
- return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : startAngle;
+var selection_style = function(name, value, priority) {
+ var node;
+ return arguments.length > 1
+ ? this.each((value == null
+ ? styleRemove : typeof value === "function"
+ ? styleFunction
+ : styleConstant)(name, value, priority == null ? "" : priority))
+ : window(node = this.node())
+ .getComputedStyle(node, null)
+ .getPropertyValue(name);
+};
+
+function propertyRemove(name) {
+ return function() {
+ delete this[name];
};
+}
- pie.endAngle = function(_) {
- return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : endAngle;
+function propertyConstant(name, value) {
+ return function() {
+ this[name] = value;
};
+}
- pie.padAngle = function(_) {
- return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$2(+_), pie) : padAngle;
+function propertyFunction(name, value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) delete this[name];
+ else this[name] = v;
};
+}
- return pie;
+var selection_property = function(name, value) {
+ return arguments.length > 1
+ ? this.each((value == null
+ ? propertyRemove : typeof value === "function"
+ ? propertyFunction
+ : propertyConstant)(name, value))
+ : this.node()[name];
};
-var curveRadialLinear = curveRadial(curveLinear);
+function classArray(string) {
+ return string.trim().split(/^|\s+/);
+}
-function Radial(curve) {
- this._curve = curve;
+function classList(node) {
+ return node.classList || new ClassList(node);
}
-Radial.prototype = {
- areaStart: function() {
- this._curve.areaStart();
+function ClassList(node) {
+ this._node = node;
+ this._names = classArray(node.getAttribute("class") || "");
+}
+
+ClassList.prototype = {
+ add: function(name) {
+ var i = this._names.indexOf(name);
+ if (i < 0) {
+ this._names.push(name);
+ this._node.setAttribute("class", this._names.join(" "));
+ }
},
- areaEnd: function() {
- this._curve.areaEnd();
+ remove: function(name) {
+ var i = this._names.indexOf(name);
+ if (i >= 0) {
+ this._names.splice(i, 1);
+ this._node.setAttribute("class", this._names.join(" "));
+ }
},
- lineStart: function() {
- this._curve.lineStart();
- },
- lineEnd: function() {
- this._curve.lineEnd();
- },
- point: function(a, r) {
- this._curve.point(r * Math.sin(a), r * -Math.cos(a));
+ contains: function(name) {
+ return this._names.indexOf(name) >= 0;
}
};
-function curveRadial(curve) {
+function classedAdd(node, names) {
+ var list = classList(node), i = -1, n = names.length;
+ while (++i < n) list.add(names[i]);
+}
- function radial(context) {
- return new Radial(curve(context));
- }
-
- radial._curve = curve;
-
- return radial;
+function classedRemove(node, names) {
+ var list = classList(node), i = -1, n = names.length;
+ while (++i < n) list.remove(names[i]);
}
-function radialLine(l) {
- var c = l.curve;
-
- l.angle = l.x, delete l.x;
- l.radius = l.y, delete l.y;
-
- l.curve = function(_) {
- return arguments.length ? c(curveRadial(_)) : c()._curve;
+function classedTrue(names) {
+ return function() {
+ classedAdd(this, names);
};
+}
- return l;
+function classedFalse(names) {
+ return function() {
+ classedRemove(this, names);
+ };
}
-var radialLine$1 = function() {
- return radialLine(line().curve(curveRadialLinear));
-};
-
-var radialArea = function() {
- var a = area$1().curve(curveRadialLinear),
- c = a.curve,
- x0 = a.lineX0,
- x1 = a.lineX1,
- y0 = a.lineY0,
- y1 = a.lineY1;
-
- a.angle = a.x, delete a.x;
- a.startAngle = a.x0, delete a.x0;
- a.endAngle = a.x1, delete a.x1;
- a.radius = a.y, delete a.y;
- a.innerRadius = a.y0, delete a.y0;
- a.outerRadius = a.y1, delete a.y1;
- a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0;
- a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1;
- a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0;
- a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1;
-
- a.curve = function(_) {
- return arguments.length ? c(curveRadial(_)) : c()._curve;
+function classedFunction(names, value) {
+ return function() {
+ (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
};
+}
- return a;
-};
+var selection_classed = function(name, value) {
+ var names = classArray(name + "");
-var circle = {
- draw: function(context, size) {
- var r = Math.sqrt(size / pi$2);
- context.moveTo(r, 0);
- context.arc(0, 0, r, 0, tau$2);
+ if (arguments.length < 2) {
+ var list = classList(this.node()), i = -1, n = names.length;
+ while (++i < n) if (!list.contains(names[i])) return false;
+ return true;
}
-};
-var cross$1 = {
- draw: function(context, size) {
- var r = Math.sqrt(size / 5) / 2;
- context.moveTo(-3 * r, -r);
- context.lineTo(-r, -r);
- context.lineTo(-r, -3 * r);
- context.lineTo(r, -3 * r);
- context.lineTo(r, -r);
- context.lineTo(3 * r, -r);
- context.lineTo(3 * r, r);
- context.lineTo(r, r);
- context.lineTo(r, 3 * r);
- context.lineTo(-r, 3 * r);
- context.lineTo(-r, r);
- context.lineTo(-3 * r, r);
- context.closePath();
- }
+ return this.each((typeof value === "function"
+ ? classedFunction : value
+ ? classedTrue
+ : classedFalse)(names, value));
};
-var tan30 = Math.sqrt(1 / 3);
-var tan30_2 = tan30 * 2;
+function textRemove() {
+ this.textContent = "";
+}
-var diamond = {
- draw: function(context, size) {
- var y = Math.sqrt(size / tan30_2),
- x = y * tan30;
- context.moveTo(0, -y);
- context.lineTo(x, 0);
- context.lineTo(0, y);
- context.lineTo(-x, 0);
- context.closePath();
- }
-};
-
-var ka = 0.89081309152928522810;
-var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10);
-var kx = Math.sin(tau$2 / 10) * kr;
-var ky = -Math.cos(tau$2 / 10) * kr;
-
-var star = {
- draw: function(context, size) {
- var r = Math.sqrt(size * ka),
- x = kx * r,
- y = ky * r;
- context.moveTo(0, -r);
- context.lineTo(x, y);
- for (var i = 1; i < 5; ++i) {
- var a = tau$2 * i / 5,
- c = Math.cos(a),
- s = Math.sin(a);
- context.lineTo(s * r, -c * r);
- context.lineTo(c * x - s * y, s * x + c * y);
- }
- context.closePath();
- }
-};
-
-var square = {
- draw: function(context, size) {
- var w = Math.sqrt(size),
- x = -w / 2;
- context.rect(x, x, w, w);
- }
-};
-
-var sqrt3 = Math.sqrt(3);
-
-var triangle = {
- draw: function(context, size) {
- var y = -Math.sqrt(size / (sqrt3 * 3));
- context.moveTo(0, y * 2);
- context.lineTo(-sqrt3 * y, -y);
- context.lineTo(sqrt3 * y, -y);
- context.closePath();
- }
-};
-
-var c = -0.5;
-var s = Math.sqrt(3) / 2;
-var k = 1 / Math.sqrt(12);
-var a = (k / 2 + 1) * 3;
-
-var wye = {
- draw: function(context, size) {
- var r = Math.sqrt(size / a),
- x0 = r / 2,
- y0 = r * k,
- x1 = x0,
- y1 = r * k + r,
- x2 = -x1,
- y2 = y1;
- context.moveTo(x0, y0);
- context.lineTo(x1, y1);
- context.lineTo(x2, y2);
- context.lineTo(c * x0 - s * y0, s * x0 + c * y0);
- context.lineTo(c * x1 - s * y1, s * x1 + c * y1);
- context.lineTo(c * x2 - s * y2, s * x2 + c * y2);
- context.lineTo(c * x0 + s * y0, c * y0 - s * x0);
- context.lineTo(c * x1 + s * y1, c * y1 - s * x1);
- context.lineTo(c * x2 + s * y2, c * y2 - s * x2);
- context.closePath();
- }
-};
-
-var symbols = [
- circle,
- cross$1,
- diamond,
- square,
- star,
- triangle,
- wye
-];
-
-var symbol = function() {
- var type = constant$2(circle),
- size = constant$2(64),
- context = null;
-
- function symbol() {
- var buffer;
- if (!context) context = buffer = path();
- type.apply(this, arguments).draw(context, +size.apply(this, arguments));
- if (buffer) return context = null, buffer + "" || null;
- }
-
- symbol.type = function(_) {
- return arguments.length ? (type = typeof _ === "function" ? _ : constant$2(_), symbol) : type;
+function textConstant(value) {
+ return function() {
+ this.textContent = value;
};
+}
- symbol.size = function(_) {
- return arguments.length ? (size = typeof _ === "function" ? _ : constant$2(+_), symbol) : size;
+function textFunction(value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ this.textContent = v == null ? "" : v;
};
+}
- symbol.context = function(_) {
- return arguments.length ? (context = _ == null ? null : _, symbol) : context;
- };
-
- return symbol;
+var selection_text = function(value) {
+ return arguments.length
+ ? this.each(value == null
+ ? textRemove : (typeof value === "function"
+ ? textFunction
+ : textConstant)(value))
+ : this.node().textContent;
};
-var noop = function() {};
+function htmlRemove() {
+ this.innerHTML = "";
+}
-function point(that, x, y) {
- that._context.bezierCurveTo(
- (2 * that._x0 + that._x1) / 3,
- (2 * that._y0 + that._y1) / 3,
- (that._x0 + 2 * that._x1) / 3,
- (that._y0 + 2 * that._y1) / 3,
- (that._x0 + 4 * that._x1 + x) / 6,
- (that._y0 + 4 * that._y1 + y) / 6
- );
+function htmlConstant(value) {
+ return function() {
+ this.innerHTML = value;
+ };
}
-function Basis(context) {
- this._context = context;
+function htmlFunction(value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ this.innerHTML = v == null ? "" : v;
+ };
}
-Basis.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 =
- this._y0 = this._y1 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 3: point(this, this._x1, this._y1); // proceed
- case 2: this._context.lineTo(this._x1, this._y1); break;
- }
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed
- default: point(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = x;
- this._y0 = this._y1, this._y1 = y;
- }
+var selection_html = function(value) {
+ return arguments.length
+ ? this.each(value == null
+ ? htmlRemove : (typeof value === "function"
+ ? htmlFunction
+ : htmlConstant)(value))
+ : this.node().innerHTML;
};
-var basis = function(context) {
- return new Basis(context);
-};
-
-function BasisClosed(context) {
- this._context = context;
+function raise() {
+ if (this.nextSibling) this.parentNode.appendChild(this);
}
-BasisClosed.prototype = {
- areaStart: noop,
- areaEnd: noop,
- lineStart: function() {
- this._x0 = this._x1 = this._x2 = this._x3 = this._x4 =
- this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 1: {
- this._context.moveTo(this._x2, this._y2);
- this._context.closePath();
- break;
- }
- case 2: {
- this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3);
- this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3);
- this._context.closePath();
- break;
- }
- case 3: {
- this.point(this._x2, this._y2);
- this.point(this._x3, this._y3);
- this.point(this._x4, this._y4);
- break;
- }
- }
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._x2 = x, this._y2 = y; break;
- case 1: this._point = 2; this._x3 = x, this._y3 = y; break;
- case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break;
- default: point(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = x;
- this._y0 = this._y1, this._y1 = y;
- }
+var selection_raise = function() {
+ return this.each(raise);
};
-var basisClosed = function(context) {
- return new BasisClosed(context);
-};
-
-function BasisOpen(context) {
- this._context = context;
+function lower() {
+ if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild);
}
-BasisOpen.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 =
- this._y0 = this._y1 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break;
- case 3: this._point = 4; // proceed
- default: point(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = x;
- this._y0 = this._y1, this._y1 = y;
- }
+var selection_lower = function() {
+ return this.each(lower);
};
-var basisOpen = function(context) {
- return new BasisOpen(context);
+var selection_append = function(name) {
+ var create = typeof name === "function" ? name : creator(name);
+ return this.select(function() {
+ return this.appendChild(create.apply(this, arguments));
+ });
};
-function Bundle(context, beta) {
- this._basis = new Basis(context);
- this._beta = beta;
+function constantNull() {
+ return null;
}
-Bundle.prototype = {
- lineStart: function() {
- this._x = [];
- this._y = [];
- this._basis.lineStart();
- },
- lineEnd: function() {
- var x = this._x,
- y = this._y,
- j = x.length - 1;
-
- if (j > 0) {
- var x0 = x[0],
- y0 = y[0],
- dx = x[j] - x0,
- dy = y[j] - y0,
- i = -1,
- t;
-
- while (++i <= j) {
- t = i / j;
- this._basis.point(
- this._beta * x[i] + (1 - this._beta) * (x0 + t * dx),
- this._beta * y[i] + (1 - this._beta) * (y0 + t * dy)
- );
- }
- }
-
- this._x = this._y = null;
- this._basis.lineEnd();
- },
- point: function(x, y) {
- this._x.push(+x);
- this._y.push(+y);
- }
+var selection_insert = function(name, before) {
+ var create = typeof name === "function" ? name : creator(name),
+ select = before == null ? constantNull : typeof before === "function" ? before : selector(before);
+ return this.select(function() {
+ return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null);
+ });
};
-var bundle = (function custom(beta) {
-
- function bundle(context) {
- return beta === 1 ? new Basis(context) : new Bundle(context, beta);
- }
-
- bundle.beta = function(beta) {
- return custom(+beta);
- };
-
- return bundle;
-})(0.85);
-
-function point$1(that, x, y) {
- that._context.bezierCurveTo(
- that._x1 + that._k * (that._x2 - that._x0),
- that._y1 + that._k * (that._y2 - that._y0),
- that._x2 + that._k * (that._x1 - x),
- that._y2 + that._k * (that._y1 - y),
- that._x2,
- that._y2
- );
+function remove() {
+ var parent = this.parentNode;
+ if (parent) parent.removeChild(this);
}
-function Cardinal(context, tension) {
- this._context = context;
- this._k = (1 - tension) / 6;
-}
+var selection_remove = function() {
+ return this.each(remove);
+};
-Cardinal.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 = this._x2 =
- this._y0 = this._y1 = this._y2 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 2: this._context.lineTo(this._x2, this._y2); break;
- case 3: point$1(this, this._x1, this._y1); break;
- }
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; this._x1 = x, this._y1 = y; break;
- case 2: this._point = 3; // proceed
- default: point$1(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
- }
+var selection_datum = function(value) {
+ return arguments.length
+ ? this.property("__data__", value)
+ : this.node().__data__;
};
-var cardinal = (function custom(tension) {
+function dispatchEvent(node, type, params) {
+ var window$$1 = window(node),
+ event = window$$1.CustomEvent;
- function cardinal(context) {
- return new Cardinal(context, tension);
+ if (event) {
+ event = new event(type, params);
+ } else {
+ event = window$$1.document.createEvent("Event");
+ if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail;
+ else event.initEvent(type, false, false);
}
- cardinal.tension = function(tension) {
- return custom(+tension);
- };
-
- return cardinal;
-})(0);
-
-function CardinalClosed(context, tension) {
- this._context = context;
- this._k = (1 - tension) / 6;
+ node.dispatchEvent(event);
}
-CardinalClosed.prototype = {
- areaStart: noop,
- areaEnd: noop,
- lineStart: function() {
- this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
- this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 1: {
- this._context.moveTo(this._x3, this._y3);
- this._context.closePath();
- break;
- }
- case 2: {
- this._context.lineTo(this._x3, this._y3);
- this._context.closePath();
- break;
- }
- case 3: {
- this.point(this._x3, this._y3);
- this.point(this._x4, this._y4);
- this.point(this._x5, this._y5);
- break;
- }
- }
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
- case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
- case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
- default: point$1(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
- }
-};
-
-var cardinalClosed = (function custom(tension) {
-
- function cardinal(context) {
- return new CardinalClosed(context, tension);
- }
-
- cardinal.tension = function(tension) {
- return custom(+tension);
+function dispatchConstant(type, params) {
+ return function() {
+ return dispatchEvent(this, type, params);
};
+}
- return cardinal;
-})(0);
-
-function CardinalOpen(context, tension) {
- this._context = context;
- this._k = (1 - tension) / 6;
+function dispatchFunction(type, params) {
+ return function() {
+ return dispatchEvent(this, type, params.apply(this, arguments));
+ };
}
-CardinalOpen.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 = this._x2 =
- this._y0 = this._y1 = this._y2 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;
- case 3: this._point = 4; // proceed
- default: point$1(this, x, y); break;
- }
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
- }
+var selection_dispatch = function(type, params) {
+ return this.each((typeof params === "function"
+ ? dispatchFunction
+ : dispatchConstant)(type, params));
};
-var cardinalOpen = (function custom(tension) {
+var root = [null];
- function cardinal(context) {
- return new CardinalOpen(context, tension);
- }
-
- cardinal.tension = function(tension) {
- return custom(+tension);
- };
-
- return cardinal;
-})(0);
-
-function point$2(that, x, y) {
- var x1 = that._x1,
- y1 = that._y1,
- x2 = that._x2,
- y2 = that._y2;
-
- if (that._l01_a > epsilon$1) {
- var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a,
- n = 3 * that._l01_a * (that._l01_a + that._l12_a);
- x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n;
- y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n;
- }
-
- if (that._l23_a > epsilon$1) {
- var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a,
- m = 3 * that._l23_a * (that._l23_a + that._l12_a);
- x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m;
- y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m;
- }
-
- that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2);
+function Selection(groups, parents) {
+ this._groups = groups;
+ this._parents = parents;
}
-function CatmullRom(context, alpha) {
- this._context = context;
- this._alpha = alpha;
+function selection() {
+ return new Selection([[document.documentElement]], root);
}
-CatmullRom.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 = this._x2 =
- this._y0 = this._y1 = this._y2 = NaN;
- this._l01_a = this._l12_a = this._l23_a =
- this._l01_2a = this._l12_2a = this._l23_2a =
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 2: this._context.lineTo(this._x2, this._y2); break;
- case 3: this.point(this._x2, this._y2); break;
- }
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
+Selection.prototype = selection.prototype = {
+ constructor: Selection,
+ select: selection_select,
+ selectAll: selection_selectAll,
+ filter: selection_filter,
+ data: selection_data,
+ enter: selection_enter,
+ exit: selection_exit,
+ merge: selection_merge,
+ order: selection_order,
+ sort: selection_sort,
+ call: selection_call,
+ nodes: selection_nodes,
+ node: selection_node,
+ size: selection_size,
+ empty: selection_empty,
+ each: selection_each,
+ attr: selection_attr,
+ style: selection_style,
+ property: selection_property,
+ classed: selection_classed,
+ text: selection_text,
+ html: selection_html,
+ raise: selection_raise,
+ lower: selection_lower,
+ append: selection_append,
+ insert: selection_insert,
+ remove: selection_remove,
+ datum: selection_datum,
+ on: selection_on,
+ dispatch: selection_dispatch
+};
- if (this._point) {
- var x23 = this._x2 - x,
- y23 = this._y2 - y;
- this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
- }
+var select = function(selector) {
+ return typeof selector === "string"
+ ? new Selection([[document.querySelector(selector)]], [document.documentElement])
+ : new Selection([[selector]], root);
+};
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; // proceed
- default: point$2(this, x, y); break;
- }
-
- this._l01_a = this._l12_a, this._l12_a = this._l23_a;
- this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
- }
+var selectAll = function(selector) {
+ return typeof selector === "string"
+ ? new Selection([document.querySelectorAll(selector)], [document.documentElement])
+ : new Selection([selector == null ? [] : selector], root);
};
-var catmullRom = (function custom(alpha) {
+var touch = function(node, touches, identifier) {
+ if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches;
- function catmullRom(context) {
- return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0);
- }
-
- catmullRom.alpha = function(alpha) {
- return custom(+alpha);
- };
-
- return catmullRom;
-})(0.5);
-
-function CatmullRomClosed(context, alpha) {
- this._context = context;
- this._alpha = alpha;
-}
-
-CatmullRomClosed.prototype = {
- areaStart: noop,
- areaEnd: noop,
- lineStart: function() {
- this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
- this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
- this._l01_a = this._l12_a = this._l23_a =
- this._l01_2a = this._l12_2a = this._l23_2a =
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 1: {
- this._context.moveTo(this._x3, this._y3);
- this._context.closePath();
- break;
- }
- case 2: {
- this._context.lineTo(this._x3, this._y3);
- this._context.closePath();
- break;
- }
- case 3: {
- this.point(this._x3, this._y3);
- this.point(this._x4, this._y4);
- this.point(this._x5, this._y5);
- break;
- }
+ for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) {
+ if ((touch = touches[i]).identifier === identifier) {
+ return point(node, touch);
}
- },
- point: function(x, y) {
- x = +x, y = +y;
-
- if (this._point) {
- var x23 = this._x2 - x,
- y23 = this._y2 - y;
- this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
- }
-
- switch (this._point) {
- case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
- case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
- case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
- default: point$2(this, x, y); break;
- }
-
- this._l01_a = this._l12_a, this._l12_a = this._l23_a;
- this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
+
+ return null;
};
-var catmullRomClosed = (function custom(alpha) {
+var touches = function(node, touches) {
+ if (touches == null) touches = sourceEvent().touches;
- function catmullRom(context) {
- return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0);
+ for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) {
+ points[i] = point(node, touches[i]);
}
- catmullRom.alpha = function(alpha) {
- return custom(+alpha);
- };
+ return points;
+};
- return catmullRom;
-})(0.5);
-
-function CatmullRomOpen(context, alpha) {
- this._context = context;
- this._alpha = alpha;
+function nopropagation() {
+ exports.event.stopImmediatePropagation();
}
-CatmullRomOpen.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 = this._x2 =
- this._y0 = this._y1 = this._y2 = NaN;
- this._l01_a = this._l12_a = this._l23_a =
- this._l01_2a = this._l12_2a = this._l23_2a =
- this._point = 0;
- },
- lineEnd: function() {
- if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
+var noevent = function() {
+ exports.event.preventDefault();
+ exports.event.stopImmediatePropagation();
+};
- if (this._point) {
- var x23 = this._x2 - x,
- y23 = this._y2 - y;
- this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
- }
-
- switch (this._point) {
- case 0: this._point = 1; break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;
- case 3: this._point = 4; // proceed
- default: point$2(this, x, y); break;
- }
-
- this._l01_a = this._l12_a, this._l12_a = this._l23_a;
- this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
- this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
- this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+var dragDisable = function(view) {
+ var root = view.document.documentElement,
+ selection$$1 = select(view).on("dragstart.drag", noevent, true);
+ if ("onselectstart" in root) {
+ selection$$1.on("selectstart.drag", noevent, true);
+ } else {
+ root.__noselect = root.style.MozUserSelect;
+ root.style.MozUserSelect = "none";
}
};
-var catmullRomOpen = (function custom(alpha) {
-
- function catmullRom(context) {
- return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0);
+function yesdrag(view, noclick) {
+ var root = view.document.documentElement,
+ selection$$1 = select(view).on("dragstart.drag", null);
+ if (noclick) {
+ selection$$1.on("click.drag", noevent, true);
+ setTimeout(function() { selection$$1.on("click.drag", null); }, 0);
}
-
- catmullRom.alpha = function(alpha) {
- return custom(+alpha);
- };
-
- return catmullRom;
-})(0.5);
-
-function LinearClosed(context) {
- this._context = context;
-}
-
-LinearClosed.prototype = {
- areaStart: noop,
- areaEnd: noop,
- lineStart: function() {
- this._point = 0;
- },
- lineEnd: function() {
- if (this._point) this._context.closePath();
- },
- point: function(x, y) {
- x = +x, y = +y;
- if (this._point) this._context.lineTo(x, y);
- else this._point = 1, this._context.moveTo(x, y);
+ if ("onselectstart" in root) {
+ selection$$1.on("selectstart.drag", null);
+ } else {
+ root.style.MozUserSelect = root.__noselect;
+ delete root.__noselect;
}
-};
-
-var linearClosed = function(context) {
- return new LinearClosed(context);
-};
-
-function sign(x) {
- return x < 0 ? -1 : 1;
}
-// Calculate the slopes of the tangents (Hermite-type interpolation) based on
-// the following paper: Steffen, M. 1990. A Simple Method for Monotonic
-// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO.
-// NOV(II), P. 443, 1990.
-function slope3(that, x2, y2) {
- var h0 = that._x1 - that._x0,
- h1 = x2 - that._x1,
- s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0),
- s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0),
- p = (s0 * h1 + s1 * h0) / (h0 + h1);
- return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0;
-}
-
-// Calculate a one-sided slope.
-function slope2(that, t) {
- var h = that._x1 - that._x0;
- return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t;
-}
-
-// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations
-// "you can express cubic Hermite interpolation in terms of cubic Bézier curves
-// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1".
-function point$3(that, t0, t1) {
- var x0 = that._x0,
- y0 = that._y0,
- x1 = that._x1,
- y1 = that._y1,
- dx = (x1 - x0) / 3;
- that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1);
-}
-
-function MonotoneX(context) {
- this._context = context;
-}
-
-MonotoneX.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x0 = this._x1 =
- this._y0 = this._y1 =
- this._t0 = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- switch (this._point) {
- case 2: this._context.lineTo(this._x1, this._y1); break;
- case 3: point$3(this, this._t0, slope2(this, this._t0)); break;
- }
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- this._line = 1 - this._line;
- },
- point: function(x, y) {
- var t1 = NaN;
-
- x = +x, y = +y;
- if (x === this._x1 && y === this._y1) return; // Ignore coincident points.
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; break;
- case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break;
- default: point$3(this, this._t0, t1 = slope3(this, x, y)); break;
- }
-
- this._x0 = this._x1, this._x1 = x;
- this._y0 = this._y1, this._y1 = y;
- this._t0 = t1;
- }
+var constant$2 = function(x) {
+ return function() {
+ return x;
+ };
};
-function MonotoneY(context) {
- this._context = new ReflectContext(context);
+function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {
+ this.target = target;
+ this.type = type;
+ this.subject = subject;
+ this.identifier = id;
+ this.active = active;
+ this.x = x;
+ this.y = y;
+ this.dx = dx;
+ this.dy = dy;
+ this._ = dispatch;
}
-(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) {
- MonotoneX.prototype.point.call(this, y, x);
+DragEvent.prototype.on = function() {
+ var value = this._.on.apply(this._, arguments);
+ return value === this._ ? this : value;
};
-function ReflectContext(context) {
- this._context = context;
+// Ignore right-click, since that should open the context menu.
+function defaultFilter$1() {
+ return !exports.event.button;
}
-ReflectContext.prototype = {
- moveTo: function(x, y) { this._context.moveTo(y, x); },
- closePath: function() { this._context.closePath(); },
- lineTo: function(x, y) { this._context.lineTo(y, x); },
- bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); }
-};
-
-function monotoneX(context) {
- return new MonotoneX(context);
+function defaultContainer() {
+ return this.parentNode;
}
-function monotoneY(context) {
- return new MonotoneY(context);
+function defaultSubject(d) {
+ return d == null ? {x: exports.event.x, y: exports.event.y} : d;
}
-function Natural(context) {
- this._context = context;
-}
+var drag = function() {
+ var filter = defaultFilter$1,
+ container = defaultContainer,
+ subject = defaultSubject,
+ gestures = {},
+ listeners = dispatch("start", "drag", "end"),
+ active = 0,
+ mousemoving,
+ touchending;
-Natural.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x = [];
- this._y = [];
- },
- lineEnd: function() {
- var x = this._x,
- y = this._y,
- n = x.length;
+ function drag(selection$$1) {
+ selection$$1
+ .on("mousedown.drag", mousedowned)
+ .on("touchstart.drag", touchstarted)
+ .on("touchmove.drag", touchmoved)
+ .on("touchend.drag touchcancel.drag", touchended)
+ .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+ }
- if (n) {
- this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]);
- if (n === 2) {
- this._context.lineTo(x[1], y[1]);
- } else {
- var px = controlPoints(x),
- py = controlPoints(y);
- for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) {
- this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]);
- }
- }
- }
+ function mousedowned() {
+ if (touchending || !filter.apply(this, arguments)) return;
+ var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments);
+ if (!gesture) return;
+ select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true);
+ dragDisable(exports.event.view);
+ nopropagation();
+ mousemoving = false;
+ gesture("start");
+ }
- if (this._line || (this._line !== 0 && n === 1)) this._context.closePath();
- this._line = 1 - this._line;
- this._x = this._y = null;
- },
- point: function(x, y) {
- this._x.push(+x);
- this._y.push(+y);
+ function mousemoved() {
+ noevent();
+ mousemoving = true;
+ gestures.mouse("drag");
}
-};
-// See https://www.particleincell.com/2012/bezier-splines/ for derivation.
-function controlPoints(x) {
- var i,
- n = x.length - 1,
- m,
- a = new Array(n),
- b = new Array(n),
- r = new Array(n);
- a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1];
- for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1];
- a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n];
- for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1];
- a[n - 1] = r[n - 1] / b[n - 1];
- for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i];
- b[n - 1] = (x[n] + a[n - 1]) / 2;
- for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1];
- return [a, b];
-}
+ function mouseupped() {
+ select(exports.event.view).on("mousemove.drag mouseup.drag", null);
+ yesdrag(exports.event.view, mousemoving);
+ noevent();
+ gestures.mouse("end");
+ }
-var natural = function(context) {
- return new Natural(context);
-};
+ function touchstarted() {
+ if (!filter.apply(this, arguments)) return;
+ var touches$$1 = exports.event.changedTouches,
+ c = container.apply(this, arguments),
+ n = touches$$1.length, i, gesture;
-function Step(context, t) {
- this._context = context;
- this._t = t;
-}
-
-Step.prototype = {
- areaStart: function() {
- this._line = 0;
- },
- areaEnd: function() {
- this._line = NaN;
- },
- lineStart: function() {
- this._x = this._y = NaN;
- this._point = 0;
- },
- lineEnd: function() {
- if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y);
- if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
- if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line;
- },
- point: function(x, y) {
- x = +x, y = +y;
- switch (this._point) {
- case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
- case 1: this._point = 2; // proceed
- default: {
- if (this._t <= 0) {
- this._context.lineTo(this._x, y);
- this._context.lineTo(x, y);
- } else {
- var x1 = this._x * (1 - this._t) + x * this._t;
- this._context.lineTo(x1, this._y);
- this._context.lineTo(x1, y);
- }
- break;
+ for (i = 0; i < n; ++i) {
+ if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) {
+ nopropagation();
+ gesture("start");
}
}
- this._x = x, this._y = y;
}
-};
-var step = function(context) {
- return new Step(context, 0.5);
-};
+ function touchmoved() {
+ var touches$$1 = exports.event.changedTouches,
+ n = touches$$1.length, i, gesture;
-function stepBefore(context) {
- return new Step(context, 0);
-}
-
-function stepAfter(context) {
- return new Step(context, 1);
-}
-
-var slice$2 = Array.prototype.slice;
-
-var none = function(series, order) {
- if (!((n = series.length) > 1)) return;
- for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) {
- s0 = s1, s1 = series[order[i]];
- for (var j = 0; j < m; ++j) {
- s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1];
+ for (i = 0; i < n; ++i) {
+ if (gesture = gestures[touches$$1[i].identifier]) {
+ noevent();
+ gesture("drag");
+ }
}
}
-};
-var none$1 = function(series) {
- var n = series.length, o = new Array(n);
- while (--n >= 0) o[n] = n;
- return o;
-};
+ function touchended() {
+ var touches$$1 = exports.event.changedTouches,
+ n = touches$$1.length, i, gesture;
-function stackValue(d, key) {
- return d[key];
-}
-
-var stack = function() {
- var keys = constant$2([]),
- order = none$1,
- offset = none,
- value = stackValue;
-
- function stack(data) {
- var kz = keys.apply(this, arguments),
- i,
- m = data.length,
- n = kz.length,
- sz = new Array(n),
- oz;
-
+ if (touchending) clearTimeout(touchending);
+ touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
for (i = 0; i < n; ++i) {
- for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) {
- si[j] = sij = [0, +value(data[j], ki, j, data)];
- sij.data = data[j];
+ if (gesture = gestures[touches$$1[i].identifier]) {
+ nopropagation();
+ gesture("end");
}
- si.key = ki;
}
+ }
- for (i = 0, oz = order(sz); i < n; ++i) {
- sz[oz[i]].index = i;
- }
+ function beforestart(id, container, point, that, args) {
+ var p = point(container, id), s, dx, dy,
+ sublisteners = listeners.copy();
- offset(sz, oz);
- return sz;
+ if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
+ if ((exports.event.subject = s = subject.apply(that, args)) == null) return false;
+ dx = s.x - p[0] || 0;
+ dy = s.y - p[1] || 0;
+ return true;
+ })) return;
+
+ return function gesture(type) {
+ var p0 = p, n;
+ switch (type) {
+ case "start": gestures[id] = gesture, n = active++; break;
+ case "end": delete gestures[id], --active; // nobreak
+ case "drag": p = point(container, id), n = active; break;
+ }
+ customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);
+ };
}
- stack.keys = function(_) {
- return arguments.length ? (keys = typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : keys;
+ drag.filter = function(_) {
+ return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter;
};
- stack.value = function(_) {
- return arguments.length ? (value = typeof _ === "function" ? _ : constant$2(+_), stack) : value;
+ drag.container = function(_) {
+ return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container;
};
- stack.order = function(_) {
- return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$2(slice$2.call(_)), stack) : order;
+ drag.subject = function(_) {
+ return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject;
};
- stack.offset = function(_) {
- return arguments.length ? (offset = _ == null ? none : _, stack) : offset;
+ drag.on = function() {
+ var value = listeners.on.apply(listeners, arguments);
+ return value === listeners ? drag : value;
};
- return stack;
+ return drag;
};
-var expand = function(series, order) {
- if (!((n = series.length) > 0)) return;
- for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) {
- for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0;
- if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y;
- }
- none(series, order);
-};
-
-var silhouette = function(series, order) {
- if (!((n = series.length) > 0)) return;
- for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) {
- for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0;
- s0[j][1] += s0[j][0] = -y / 2;
- }
- none(series, order);
-};
-
-var wiggle = function(series, order) {
- if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return;
- for (var y = 0, j = 1, s0, m, n; j < m; ++j) {
- for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) {
- var si = series[order[i]],
- sij0 = si[j][1] || 0,
- sij1 = si[j - 1][1] || 0,
- s3 = (sij0 - sij1) / 2;
- for (var k = 0; k < i; ++k) {
- var sk = series[order[k]],
- skj0 = sk[j][1] || 0,
- skj1 = sk[j - 1][1] || 0;
- s3 += skj0 - skj1;
- }
- s1 += sij0, s2 += s3 * sij0;
- }
- s0[j - 1][1] += s0[j - 1][0] = y;
- if (s1) y -= s2 / s1;
- }
- s0[j - 1][1] += s0[j - 1][0] = y;
- none(series, order);
-};
-
-var ascending$1 = function(series) {
- var sums = series.map(sum$1);
- return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; });
-};
-
-function sum$1(series) {
- var s = 0, i = -1, n = series.length, v;
- while (++i < n) if (v = +series[i][1]) s += v;
- return s;
-}
-
-var descending$2 = function(series) {
- return ascending$1(series).reverse();
-};
-
-var insideOut = function(series) {
- var n = series.length,
- i,
- j,
- sums = series.map(sum$1),
- order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }),
- top = 0,
- bottom = 0,
- tops = [],
- bottoms = [];
-
- for (i = 0; i < n; ++i) {
- j = order[i];
- if (top < bottom) {
- top += sums[j];
- tops.push(j);
- } else {
- bottom += sums[j];
- bottoms.push(j);
- }
- }
-
- return bottoms.reverse().concat(tops);
-};
-
-var reverse = function(series) {
- return none$1(series).reverse();
-};
-
var define = function(constructor, factory, prototype) {
constructor.prototype = factory.prototype = prototype;
prototype.constructor = constructor;
};
@@ -3498,18 +1860,21 @@
function Color() {}
var darker = 0.7;
var brighter = 1 / darker;
+var reI = "\\s*([+-]?\\d+)\\s*";
+var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*";
+var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*";
var reHex3 = /^#([0-9a-f]{3})$/;
var reHex6 = /^#([0-9a-f]{6})$/;
-var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/;
-var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/;
-var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/;
-var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/;
-var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/;
-var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/;
+var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$");
+var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$");
+var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$");
+var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$");
+var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$");
+var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$");
var named = {
aliceblue: 0xf0f8ff,
antiquewhite: 0xfaebd7,
aqua: 0x00ffff,
@@ -3985,84 +2350,84 @@
this.opacity
);
}
}));
-function basis$1(t1, v0, v1, v2, v3) {
+function basis(t1, v0, v1, v2, v3) {
var t2 = t1 * t1, t3 = t2 * t1;
return ((1 - 3 * t1 + 3 * t2 - t3) * v0
+ (4 - 6 * t2 + 3 * t3) * v1
+ (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2
+ t3 * v3) / 6;
}
-var basis$2 = function(values) {
+var basis$1 = function(values) {
var n = values.length - 1;
return function(t) {
var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),
v1 = values[i],
v2 = values[i + 1],
v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,
v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;
- return basis$1((t - i / n) * n, v0, v1, v2, v3);
+ return basis((t - i / n) * n, v0, v1, v2, v3);
};
};
-var basisClosed$1 = function(values) {
+var basisClosed = function(values) {
var n = values.length;
return function(t) {
var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n),
v0 = values[(i + n - 1) % n],
v1 = values[i % n],
v2 = values[(i + 1) % n],
v3 = values[(i + 2) % n];
- return basis$1((t - i / n) * n, v0, v1, v2, v3);
+ return basis((t - i / n) * n, v0, v1, v2, v3);
};
};
var constant$3 = function(x) {
return function() {
return x;
};
};
-function linear$1(a, d) {
+function linear(a, d) {
return function(t) {
return a + t * d;
};
}
-function exponential$1(a, b, y) {
+function exponential(a, b, y) {
return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {
return Math.pow(a + t * b, y);
};
}
function hue(a, b) {
var d = b - a;
- return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a);
+ return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a);
}
function gamma(y) {
return (y = +y) === 1 ? nogamma : function(a, b) {
- return b - a ? exponential$1(a, b, y) : constant$3(isNaN(a) ? b : a);
+ return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a);
};
}
function nogamma(a, b) {
var d = b - a;
- return d ? linear$1(a, d) : constant$3(isNaN(a) ? b : a);
+ return d ? linear(a, d) : constant$3(isNaN(a) ? b : a);
}
-var interpolateRgb = (function rgbGamma(y) {
+var interpolateRgb = ((function rgbGamma(y) {
var color$$1 = gamma(y);
function rgb$$1(start, end) {
var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r),
g = color$$1(start.g, end.g),
b = color$$1(start.b, end.b),
- opacity = color$$1(start.opacity, end.opacity);
+ opacity = nogamma(start.opacity, end.opacity);
return function(t) {
start.r = r(t);
start.g = g(t);
start.b = b(t);
start.opacity = opacity(t);
@@ -4071,11 +2436,11 @@
}
rgb$$1.gamma = rgbGamma;
return rgb$$1;
-})(1);
+}))(1);
function rgbSpline(spline) {
return function(colors) {
var n = colors.length,
r = new Array(n),
@@ -4099,21 +2464,21 @@
return color$$1 + "";
};
};
}
-var rgbBasis = rgbSpline(basis$2);
-var rgbBasisClosed = rgbSpline(basisClosed$1);
+var rgbBasis = rgbSpline(basis$1);
+var rgbBasisClosed = rgbSpline(basisClosed);
var array$1 = function(a, b) {
var nb = b ? b.length : 0,
na = a ? Math.min(nb, a.length) : 0,
x = new Array(nb),
c = new Array(nb),
i;
- for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]);
+ for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]);
for (; i < nb; ++i) c[i] = b[i];
return function(t) {
for (i = 0; i < na; ++i) c[i] = x[i](t);
return c;
@@ -4125,11 +2490,11 @@
return a = +a, b -= a, function(t) {
return d.setTime(a + b * t), d;
};
};
-var interpolateNumber = function(a, b) {
+var reinterpolate = function(a, b) {
return a = +a, b -= a, function(t) {
return a + b * t;
};
};
@@ -4141,11 +2506,11 @@
if (a === null || typeof a !== "object") a = {};
if (b === null || typeof b !== "object") b = {};
for (k in b) {
if (k in a) {
- i[k] = interpolate(a[k], b[k]);
+ i[k] = interpolateValue(a[k], b[k]);
} else {
c[k] = b[k];
}
}
@@ -4193,11 +2558,11 @@
if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match
if (s[i]) s[i] += bm; // coalesce with previous string
else s[++i] = bm;
} else { // interpolate non-matching numbers
s[++i] = null;
- q.push({i: i, x: interpolateNumber(am, bm)});
+ q.push({i: i, x: reinterpolate(am, bm)});
}
bi = reB.lastIndex;
}
// Add remains of b.
@@ -4216,20 +2581,20 @@
for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
return s.join("");
});
};
-var interpolate = function(a, b) {
+var interpolateValue = function(a, b) {
var t = typeof b, c;
return b == null || t === "boolean" ? constant$3(b)
- : (t === "number" ? interpolateNumber
+ : (t === "number" ? reinterpolate
: t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString)
: b instanceof color ? interpolateRgb
: b instanceof Date ? date
: Array.isArray(b) ? array$1
: isNaN(b) ? object
- : interpolateNumber)(a, b);
+ : reinterpolate)(a, b);
};
var interpolateRound = function(a, b) {
return a = +a, b -= a, function(t) {
return Math.round(a + b * t);
@@ -4294,37 +2659,37 @@
}
function translate(xa, ya, xb, yb, s, q) {
if (xa !== xb || ya !== yb) {
var i = s.push("translate(", null, pxComma, null, pxParen);
- q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)});
+ q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)});
} else if (xb || yb) {
s.push("translate(" + xb + pxComma + yb + pxParen);
}
}
function rotate(a, b, s, q) {
if (a !== b) {
if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path
- q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)});
+ q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)});
} else if (b) {
s.push(pop(s) + "rotate(" + b + degParen);
}
}
function skewX(a, b, s, q) {
if (a !== b) {
- q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)});
+ q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)});
} else if (b) {
s.push(pop(s) + "skewX(" + b + degParen);
}
}
function scale(xa, ya, xb, yb, s, q) {
if (xa !== xb || ya !== yb) {
var i = s.push(pop(s) + "scale(", null, ",", null, ")");
- q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)});
+ q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)});
} else if (xb !== 1 || yb !== 1) {
s.push(pop(s) + "scale(" + xb + "," + yb + ")");
}
}
@@ -4496,440 +2861,10 @@
var samples = new Array(n);
for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1));
return samples;
};
-var noop$1 = {value: function() {}};
-
-function dispatch() {
- for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
- if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t);
- _[t] = [];
- }
- return new Dispatch(_);
-}
-
-function Dispatch(_) {
- this._ = _;
-}
-
-function parseTypenames(typenames, types) {
- return typenames.trim().split(/^|\s+/).map(function(t) {
- var name = "", i = t.indexOf(".");
- if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
- if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t);
- return {type: t, name: name};
- });
-}
-
-Dispatch.prototype = dispatch.prototype = {
- constructor: Dispatch,
- on: function(typename, callback) {
- var _ = this._,
- T = parseTypenames(typename + "", _),
- t,
- i = -1,
- n = T.length;
-
- // If no callback was specified, return the callback of the given type and name.
- if (arguments.length < 2) {
- while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t;
- return;
- }
-
- // If a type was specified, set the callback for the given type and name.
- // Otherwise, if a null callback was specified, remove callbacks of the given name.
- if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback);
- while (++i < n) {
- if (t = (typename = T[i]).type) _[t] = set$2(_[t], typename.name, callback);
- else if (callback == null) for (t in _) _[t] = set$2(_[t], typename.name, null);
- }
-
- return this;
- },
- copy: function() {
- var copy = {}, _ = this._;
- for (var t in _) copy[t] = _[t].slice();
- return new Dispatch(copy);
- },
- call: function(type, that) {
- if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2];
- if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
- for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
- },
- apply: function(type, that, args) {
- if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
- for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
- }
-};
-
-function get(type, name) {
- for (var i = 0, n = type.length, c; i < n; ++i) {
- if ((c = type[i]).name === name) {
- return c.value;
- }
- }
-}
-
-function set$2(type, name, callback) {
- for (var i = 0, n = type.length; i < n; ++i) {
- if (type[i].name === name) {
- type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1));
- break;
- }
- }
- if (callback != null) type.push({name: name, value: callback});
- return type;
-}
-
-function objectConverter(columns) {
- return new Function("d", "return {" + columns.map(function(name, i) {
- return JSON.stringify(name) + ": d[" + i + "]";
- }).join(",") + "}");
-}
-
-function customConverter(columns, f) {
- var object = objectConverter(columns);
- return function(row, i) {
- return f(object(row), i, columns);
- };
-}
-
-// Compute unique columns in order of discovery.
-function inferColumns(rows) {
- var columnSet = Object.create(null),
- columns = [];
-
- rows.forEach(function(row) {
- for (var column in row) {
- if (!(column in columnSet)) {
- columns.push(columnSet[column] = column);
- }
- }
- });
-
- return columns;
-}
-
-var dsv = function(delimiter) {
- var reFormat = new RegExp("[\"" + delimiter + "\n]"),
- delimiterCode = delimiter.charCodeAt(0);
-
- function parse(text, f) {
- var convert, columns, rows = parseRows(text, function(row, i) {
- if (convert) return convert(row, i - 1);
- columns = row, convert = f ? customConverter(row, f) : objectConverter(row);
- });
- rows.columns = columns;
- return rows;
- }
-
- function parseRows(text, f) {
- var EOL = {}, // sentinel value for end-of-line
- EOF = {}, // sentinel value for end-of-file
- rows = [], // output rows
- N = text.length,
- I = 0, // current character index
- n = 0, // the current line number
- t, // the current token
- eol; // is the current token followed by EOL?
-
- function token() {
- if (I >= N) return EOF; // special case: end of file
- if (eol) return eol = false, EOL; // special case: end of line
-
- // special case: quotes
- var j = I, c;
- if (text.charCodeAt(j) === 34) {
- var i = j;
- while (i++ < N) {
- if (text.charCodeAt(i) === 34) {
- if (text.charCodeAt(i + 1) !== 34) break;
- ++i;
- }
- }
- I = i + 2;
- c = text.charCodeAt(i + 1);
- if (c === 13) {
- eol = true;
- if (text.charCodeAt(i + 2) === 10) ++I;
- } else if (c === 10) {
- eol = true;
- }
- return text.slice(j + 1, i).replace(/""/g, "\"");
- }
-
- // common case: find next delimiter or newline
- while (I < N) {
- var k = 1;
- c = text.charCodeAt(I++);
- if (c === 10) eol = true; // \n
- else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n
- else if (c !== delimiterCode) continue;
- return text.slice(j, I - k);
- }
-
- // special case: last token before EOF
- return text.slice(j);
- }
-
- while ((t = token()) !== EOF) {
- var a = [];
- while (t !== EOL && t !== EOF) {
- a.push(t);
- t = token();
- }
- if (f && (a = f(a, n++)) == null) continue;
- rows.push(a);
- }
-
- return rows;
- }
-
- function format(rows, columns) {
- if (columns == null) columns = inferColumns(rows);
- return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) {
- return columns.map(function(column) {
- return formatValue(row[column]);
- }).join(delimiter);
- })).join("\n");
- }
-
- function formatRows(rows) {
- return rows.map(formatRow).join("\n");
- }
-
- function formatRow(row) {
- return row.map(formatValue).join(delimiter);
- }
-
- function formatValue(text) {
- return text == null ? ""
- : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\""
- : text;
- }
-
- return {
- parse: parse,
- parseRows: parseRows,
- format: format,
- formatRows: formatRows
- };
-};
-
-var csv = dsv(",");
-
-var csvParse = csv.parse;
-var csvParseRows = csv.parseRows;
-var csvFormat = csv.format;
-var csvFormatRows = csv.formatRows;
-
-var tsv = dsv("\t");
-
-var tsvParse = tsv.parse;
-var tsvParseRows = tsv.parseRows;
-var tsvFormat = tsv.format;
-var tsvFormatRows = tsv.formatRows;
-
-var request = function(url, callback) {
- var request,
- event = dispatch("beforesend", "progress", "load", "error"),
- mimeType,
- headers = map$1(),
- xhr = new XMLHttpRequest,
- user = null,
- password = null,
- response,
- responseType,
- timeout = 0;
-
- // If IE does not support CORS, use XDomainRequest.
- if (typeof XDomainRequest !== "undefined"
- && !("withCredentials" in xhr)
- && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest;
-
- "onload" in xhr
- ? xhr.onload = xhr.onerror = xhr.ontimeout = respond
- : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); };
-
- function respond(o) {
- var status = xhr.status, result;
- if (!status && hasResponse(xhr)
- || status >= 200 && status < 300
- || status === 304) {
- if (response) {
- try {
- result = response.call(request, xhr);
- } catch (e) {
- event.call("error", request, e);
- return;
- }
- } else {
- result = xhr;
- }
- event.call("load", request, result);
- } else {
- event.call("error", request, o);
- }
- }
-
- xhr.onprogress = function(e) {
- event.call("progress", request, e);
- };
-
- request = {
- header: function(name, value) {
- name = (name + "").toLowerCase();
- if (arguments.length < 2) return headers.get(name);
- if (value == null) headers.remove(name);
- else headers.set(name, value + "");
- return request;
- },
-
- // If mimeType is non-null and no Accept header is set, a default is used.
- mimeType: function(value) {
- if (!arguments.length) return mimeType;
- mimeType = value == null ? null : value + "";
- return request;
- },
-
- // Specifies what type the response value should take;
- // for instance, arraybuffer, blob, document, or text.
- responseType: function(value) {
- if (!arguments.length) return responseType;
- responseType = value;
- return request;
- },
-
- timeout: function(value) {
- if (!arguments.length) return timeout;
- timeout = +value;
- return request;
- },
-
- user: function(value) {
- return arguments.length < 1 ? user : (user = value == null ? null : value + "", request);
- },
-
- password: function(value) {
- return arguments.length < 1 ? password : (password = value == null ? null : value + "", request);
- },
-
- // Specify how to convert the response content to a specific type;
- // changes the callback value on "load" events.
- response: function(value) {
- response = value;
- return request;
- },
-
- // Alias for send("GET", …).
- get: function(data, callback) {
- return request.send("GET", data, callback);
- },
-
- // Alias for send("POST", …).
- post: function(data, callback) {
- return request.send("POST", data, callback);
- },
-
- // If callback is non-null, it will be used for error and load events.
- send: function(method, data, callback) {
- xhr.open(method, url, true, user, password);
- if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*");
- if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); });
- if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType);
- if (responseType != null) xhr.responseType = responseType;
- if (timeout > 0) xhr.timeout = timeout;
- if (callback == null && typeof data === "function") callback = data, data = null;
- if (callback != null && callback.length === 1) callback = fixCallback(callback);
- if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); });
- event.call("beforesend", request, xhr);
- xhr.send(data == null ? null : data);
- return request;
- },
-
- abort: function() {
- xhr.abort();
- return request;
- },
-
- on: function() {
- var value = event.on.apply(event, arguments);
- return value === event ? request : value;
- }
- };
-
- if (callback != null) {
- if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
- return request.get(callback);
- }
-
- return request;
-};
-
-function fixCallback(callback) {
- return function(error, xhr) {
- callback(error == null ? xhr : null);
- };
-}
-
-function hasResponse(xhr) {
- var type = xhr.responseType;
- return type && type !== "text"
- ? xhr.response // null on error
- : xhr.responseText; // "" on error
-}
-
-var type = function(defaultMimeType, response) {
- return function(url, callback) {
- var r = request(url).mimeType(defaultMimeType).response(response);
- if (callback != null) {
- if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
- return r.get(callback);
- }
- return r;
- };
-};
-
-var html = type("text/html", function(xhr) {
- return document.createRange().createContextualFragment(xhr.responseText);
-});
-
-var json = type("application/json", function(xhr) {
- return JSON.parse(xhr.responseText);
-});
-
-var text = type("text/plain", function(xhr) {
- return xhr.responseText;
-});
-
-var xml = type("application/xml", function(xhr) {
- var xml = xhr.responseXML;
- if (!xml) throw new Error("parse error");
- return xml;
-});
-
-var dsv$1 = function(defaultMimeType, parse) {
- return function(url, row, callback) {
- if (arguments.length < 3) callback = row, row = null;
- var r = request(url).mimeType(defaultMimeType);
- r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; };
- r.row(row);
- return callback ? r.get(callback) : r;
- };
-};
-
-function responseOf(parse, row) {
- return function(request$$1) {
- return parse(request$$1.responseText, row);
- };
-}
-
-var csv$1 = dsv$1("text/csv", csvParse);
-
-var tsv$1 = dsv$1("text/tab-separated-values", tsvParse);
-
var frame = 0;
var timeout = 0;
var interval = 0;
var pokeDelay = 1000;
var taskHead;
@@ -5004,11 +2939,11 @@
nap();
clockNow = 0;
}
}
-function poke$1() {
+function poke() {
var now = clock.now(), delay = now - clockLast;
if (delay > pokeDelay) clockSkew -= delay, clockLast = now;
}
function nap() {
@@ -5032,11 +2967,11 @@
var delay = time - clockNow;
if (delay > 24) {
if (time < Infinity) timeout = setTimeout(wake, delay);
if (interval) interval = clearInterval(interval);
} else {
- if (!interval) interval = setInterval(poke$1, pokeDelay);
+ if (!interval) clockLast = clockNow, interval = setInterval(poke, pokeDelay);
frame = 1, setFrame(wake);
}
}
var timeout$1 = function(callback, delay, time) {
@@ -5059,3016 +2994,10 @@
callback(elapsed);
}, delay, time);
return t;
};
-var t0$1 = new Date;
-var t1$1 = new Date;
-
-function newInterval(floori, offseti, count, field) {
-
- function interval(date) {
- return floori(date = new Date(+date)), date;
- }
-
- interval.floor = interval;
-
- interval.ceil = function(date) {
- return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date;
- };
-
- interval.round = function(date) {
- var d0 = interval(date),
- d1 = interval.ceil(date);
- return date - d0 < d1 - date ? d0 : d1;
- };
-
- interval.offset = function(date, step) {
- return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date;
- };
-
- interval.range = function(start, stop, step) {
- var range = [];
- start = interval.ceil(start);
- step = step == null ? 1 : Math.floor(step);
- if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date
- do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop)
- return range;
- };
-
- interval.filter = function(test) {
- return newInterval(function(date) {
- if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1);
- }, function(date, step) {
- if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty
- });
- };
-
- if (count) {
- interval.count = function(start, end) {
- t0$1.setTime(+start), t1$1.setTime(+end);
- floori(t0$1), floori(t1$1);
- return Math.floor(count(t0$1, t1$1));
- };
-
- interval.every = function(step) {
- step = Math.floor(step);
- return !isFinite(step) || !(step > 0) ? null
- : !(step > 1) ? interval
- : interval.filter(field
- ? function(d) { return field(d) % step === 0; }
- : function(d) { return interval.count(0, d) % step === 0; });
- };
- }
-
- return interval;
-}
-
-var millisecond = newInterval(function() {
- // noop
-}, function(date, step) {
- date.setTime(+date + step);
-}, function(start, end) {
- return end - start;
-});
-
-// An optimized implementation for this simple case.
-millisecond.every = function(k) {
- k = Math.floor(k);
- if (!isFinite(k) || !(k > 0)) return null;
- if (!(k > 1)) return millisecond;
- return newInterval(function(date) {
- date.setTime(Math.floor(date / k) * k);
- }, function(date, step) {
- date.setTime(+date + step * k);
- }, function(start, end) {
- return (end - start) / k;
- });
-};
-
-var milliseconds = millisecond.range;
-
-var durationSecond = 1e3;
-var durationMinute = 6e4;
-var durationHour = 36e5;
-var durationDay = 864e5;
-var durationWeek = 6048e5;
-
-var second = newInterval(function(date) {
- date.setTime(Math.floor(date / durationSecond) * durationSecond);
-}, function(date, step) {
- date.setTime(+date + step * durationSecond);
-}, function(start, end) {
- return (end - start) / durationSecond;
-}, function(date) {
- return date.getUTCSeconds();
-});
-
-var seconds = second.range;
-
-var minute = newInterval(function(date) {
- date.setTime(Math.floor(date / durationMinute) * durationMinute);
-}, function(date, step) {
- date.setTime(+date + step * durationMinute);
-}, function(start, end) {
- return (end - start) / durationMinute;
-}, function(date) {
- return date.getMinutes();
-});
-
-var minutes = minute.range;
-
-var hour = newInterval(function(date) {
- var offset = date.getTimezoneOffset() * durationMinute % durationHour;
- if (offset < 0) offset += durationHour;
- date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset);
-}, function(date, step) {
- date.setTime(+date + step * durationHour);
-}, function(start, end) {
- return (end - start) / durationHour;
-}, function(date) {
- return date.getHours();
-});
-
-var hours = hour.range;
-
-var day = newInterval(function(date) {
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setDate(date.getDate() + step);
-}, function(start, end) {
- return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay;
-}, function(date) {
- return date.getDate() - 1;
-});
-
-var days = day.range;
-
-function weekday(i) {
- return newInterval(function(date) {
- date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7);
- date.setHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setDate(date.getDate() + step * 7);
- }, function(start, end) {
- return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek;
- });
-}
-
-var sunday = weekday(0);
-var monday = weekday(1);
-var tuesday = weekday(2);
-var wednesday = weekday(3);
-var thursday = weekday(4);
-var friday = weekday(5);
-var saturday = weekday(6);
-
-var sundays = sunday.range;
-var mondays = monday.range;
-var tuesdays = tuesday.range;
-var wednesdays = wednesday.range;
-var thursdays = thursday.range;
-var fridays = friday.range;
-var saturdays = saturday.range;
-
-var month = newInterval(function(date) {
- date.setDate(1);
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setMonth(date.getMonth() + step);
-}, function(start, end) {
- return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12;
-}, function(date) {
- return date.getMonth();
-});
-
-var months = month.range;
-
-var year = newInterval(function(date) {
- date.setMonth(0, 1);
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setFullYear(date.getFullYear() + step);
-}, function(start, end) {
- return end.getFullYear() - start.getFullYear();
-}, function(date) {
- return date.getFullYear();
-});
-
-// An optimized implementation for this simple case.
-year.every = function(k) {
- return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
- date.setFullYear(Math.floor(date.getFullYear() / k) * k);
- date.setMonth(0, 1);
- date.setHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setFullYear(date.getFullYear() + step * k);
- });
-};
-
-var years = year.range;
-
-var utcMinute = newInterval(function(date) {
- date.setUTCSeconds(0, 0);
-}, function(date, step) {
- date.setTime(+date + step * durationMinute);
-}, function(start, end) {
- return (end - start) / durationMinute;
-}, function(date) {
- return date.getUTCMinutes();
-});
-
-var utcMinutes = utcMinute.range;
-
-var utcHour = newInterval(function(date) {
- date.setUTCMinutes(0, 0, 0);
-}, function(date, step) {
- date.setTime(+date + step * durationHour);
-}, function(start, end) {
- return (end - start) / durationHour;
-}, function(date) {
- return date.getUTCHours();
-});
-
-var utcHours = utcHour.range;
-
-var utcDay = newInterval(function(date) {
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCDate(date.getUTCDate() + step);
-}, function(start, end) {
- return (end - start) / durationDay;
-}, function(date) {
- return date.getUTCDate() - 1;
-});
-
-var utcDays = utcDay.range;
-
-function utcWeekday(i) {
- return newInterval(function(date) {
- date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);
- date.setUTCHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setUTCDate(date.getUTCDate() + step * 7);
- }, function(start, end) {
- return (end - start) / durationWeek;
- });
-}
-
-var utcSunday = utcWeekday(0);
-var utcMonday = utcWeekday(1);
-var utcTuesday = utcWeekday(2);
-var utcWednesday = utcWeekday(3);
-var utcThursday = utcWeekday(4);
-var utcFriday = utcWeekday(5);
-var utcSaturday = utcWeekday(6);
-
-var utcSundays = utcSunday.range;
-var utcMondays = utcMonday.range;
-var utcTuesdays = utcTuesday.range;
-var utcWednesdays = utcWednesday.range;
-var utcThursdays = utcThursday.range;
-var utcFridays = utcFriday.range;
-var utcSaturdays = utcSaturday.range;
-
-var utcMonth = newInterval(function(date) {
- date.setUTCDate(1);
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCMonth(date.getUTCMonth() + step);
-}, function(start, end) {
- return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12;
-}, function(date) {
- return date.getUTCMonth();
-});
-
-var utcMonths = utcMonth.range;
-
-var utcYear = newInterval(function(date) {
- date.setUTCMonth(0, 1);
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCFullYear(date.getUTCFullYear() + step);
-}, function(start, end) {
- return end.getUTCFullYear() - start.getUTCFullYear();
-}, function(date) {
- return date.getUTCFullYear();
-});
-
-// An optimized implementation for this simple case.
-utcYear.every = function(k) {
- return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
- date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k);
- date.setUTCMonth(0, 1);
- date.setUTCHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setUTCFullYear(date.getUTCFullYear() + step * k);
- });
-};
-
-var utcYears = utcYear.range;
-
-// Computes the decimal coefficient and exponent of the specified number x with
-// significant digits p, where x is positive and p is in [1, 21] or undefined.
-// For example, formatDecimal(1.23) returns ["123", 0].
-var formatDecimal = function(x, p) {
- if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
- var i, coefficient = x.slice(0, i);
-
- // The string returned by toExponential either has the form \d\.\d+e[-+]\d+
- // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
- return [
- coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
- +x.slice(i + 1)
- ];
-};
-
-var exponent$1 = function(x) {
- return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN;
-};
-
-var formatGroup = function(grouping, thousands) {
- return function(value, width) {
- var i = value.length,
- t = [],
- j = 0,
- g = grouping[0],
- length = 0;
-
- while (i > 0 && g > 0) {
- if (length + g + 1 > width) g = Math.max(1, width - length);
- t.push(value.substring(i -= g, i + g));
- if ((length += g + 1) > width) break;
- g = grouping[j = (j + 1) % grouping.length];
- }
-
- return t.reverse().join(thousands);
- };
-};
-
-var formatDefault = function(x, p) {
- x = x.toPrecision(p);
-
- out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
- switch (x[i]) {
- case ".": i0 = i1 = i; break;
- case "0": if (i0 === 0) i0 = i; i1 = i; break;
- case "e": break out;
- default: if (i0 > 0) i0 = 0; break;
- }
- }
-
- return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
-};
-
-var prefixExponent;
-
-var formatPrefixAuto = function(x, p) {
- var d = formatDecimal(x, p);
- if (!d) return x + "";
- var coefficient = d[0],
- exponent = d[1],
- i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
- n = coefficient.length;
- return i === n ? coefficient
- : i > n ? coefficient + new Array(i - n + 1).join("0")
- : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
- : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y!
-};
-
-var formatRounded = function(x, p) {
- var d = formatDecimal(x, p);
- if (!d) return x + "";
- var coefficient = d[0],
- exponent = d[1];
- return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
- : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
- : coefficient + new Array(exponent - coefficient.length + 2).join("0");
-};
-
-var formatTypes = {
- "": formatDefault,
- "%": function(x, p) { return (x * 100).toFixed(p); },
- "b": function(x) { return Math.round(x).toString(2); },
- "c": function(x) { return x + ""; },
- "d": function(x) { return Math.round(x).toString(10); },
- "e": function(x, p) { return x.toExponential(p); },
- "f": function(x, p) { return x.toFixed(p); },
- "g": function(x, p) { return x.toPrecision(p); },
- "o": function(x) { return Math.round(x).toString(8); },
- "p": function(x, p) { return formatRounded(x * 100, p); },
- "r": formatRounded,
- "s": formatPrefixAuto,
- "X": function(x) { return Math.round(x).toString(16).toUpperCase(); },
- "x": function(x) { return Math.round(x).toString(16); }
-};
-
-// [[fill]align][sign][symbol][0][width][,][.precision][type]
-var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i;
-
-var formatSpecifier = function(specifier) {
- return new FormatSpecifier(specifier);
-};
-
-function FormatSpecifier(specifier) {
- if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
-
- var match,
- fill = match[1] || " ",
- align = match[2] || ">",
- sign = match[3] || "-",
- symbol = match[4] || "",
- zero = !!match[5],
- width = match[6] && +match[6],
- comma = !!match[7],
- precision = match[8] && +match[8].slice(1),
- type = match[9] || "";
-
- // The "n" type is an alias for ",g".
- if (type === "n") comma = true, type = "g";
-
- // Map invalid types to the default format.
- else if (!formatTypes[type]) type = "";
-
- // If zero fill is specified, padding goes after sign and before digits.
- if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
-
- this.fill = fill;
- this.align = align;
- this.sign = sign;
- this.symbol = symbol;
- this.zero = zero;
- this.width = width;
- this.comma = comma;
- this.precision = precision;
- this.type = type;
-}
-
-FormatSpecifier.prototype.toString = function() {
- return this.fill
- + this.align
- + this.sign
- + this.symbol
- + (this.zero ? "0" : "")
- + (this.width == null ? "" : Math.max(1, this.width | 0))
- + (this.comma ? "," : "")
- + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0))
- + this.type;
-};
-
-var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"];
-
-function identity$3(x) {
- return x;
-}
-
-var formatLocale = function(locale) {
- var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3,
- currency = locale.currency,
- decimal = locale.decimal;
-
- function newFormat(specifier) {
- specifier = formatSpecifier(specifier);
-
- var fill = specifier.fill,
- align = specifier.align,
- sign = specifier.sign,
- symbol = specifier.symbol,
- zero = specifier.zero,
- width = specifier.width,
- comma = specifier.comma,
- precision = specifier.precision,
- type = specifier.type;
-
- // Compute the prefix and suffix.
- // For SI-prefix, the suffix is lazily computed.
- var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
- suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : "";
-
- // What format function should we use?
- // Is this an integer type?
- // Can this type generate exponential notation?
- var formatType = formatTypes[type],
- maybeSuffix = !type || /[defgprs%]/.test(type);
-
- // Set the default precision if not specified,
- // or clamp the specified precision to the supported range.
- // For significant precision, it must be in [1, 21].
- // For fixed precision, it must be in [0, 20].
- precision = precision == null ? (type ? 6 : 12)
- : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
- : Math.max(0, Math.min(20, precision));
-
- function format(value) {
- var valuePrefix = prefix,
- valueSuffix = suffix,
- i, n, c;
-
- if (type === "c") {
- valueSuffix = formatType(value) + valueSuffix;
- value = "";
- } else {
- value = +value;
-
- // Convert negative to positive, and compute the prefix.
- // Note that -0 is not less than 0, but 1 / -0 is!
- var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true);
-
- // Perform the initial formatting.
- value = formatType(value, precision);
-
- // If the original value was negative, it may be rounded to zero during
- // formatting; treat this as (positive) zero.
- if (valueNegative) {
- i = -1, n = value.length;
- valueNegative = false;
- while (++i < n) {
- if (c = value.charCodeAt(i), (48 < c && c < 58)
- || (type === "x" && 96 < c && c < 103)
- || (type === "X" && 64 < c && c < 71)) {
- valueNegative = true;
- break;
- }
- }
- }
-
- // Compute the prefix and suffix.
- valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
- valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : "");
-
- // Break the formatted value into the integer “value” part that can be
- // grouped, and fractional or exponential “suffix” part that is not.
- if (maybeSuffix) {
- i = -1, n = value.length;
- while (++i < n) {
- if (c = value.charCodeAt(i), 48 > c || c > 57) {
- valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
- value = value.slice(0, i);
- break;
- }
- }
- }
- }
-
- // If the fill character is not "0", grouping is applied before padding.
- if (comma && !zero) value = group(value, Infinity);
-
- // Compute the padding.
- var length = valuePrefix.length + value.length + valueSuffix.length,
- padding = length < width ? new Array(width - length + 1).join(fill) : "";
-
- // If the fill character is "0", grouping is applied after padding.
- if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
-
- // Reconstruct the final output based on the desired alignment.
- switch (align) {
- case "<": return valuePrefix + value + valueSuffix + padding;
- case "=": return valuePrefix + padding + value + valueSuffix;
- case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length);
- }
- return padding + valuePrefix + value + valueSuffix;
- }
-
- format.toString = function() {
- return specifier + "";
- };
-
- return format;
- }
-
- function formatPrefix(specifier, value) {
- var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
- e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3,
- k = Math.pow(10, -e),
- prefix = prefixes[8 + e / 3];
- return function(value) {
- return f(k * value) + prefix;
- };
- }
-
- return {
- format: newFormat,
- formatPrefix: formatPrefix
- };
-};
-
-var locale$1;
-
-
-
-defaultLocale({
- decimal: ".",
- thousands: ",",
- grouping: [3],
- currency: ["$", ""]
-});
-
-function defaultLocale(definition) {
- locale$1 = formatLocale(definition);
- exports.format = locale$1.format;
- exports.formatPrefix = locale$1.formatPrefix;
- return locale$1;
-}
-
-var precisionFixed = function(step) {
- return Math.max(0, -exponent$1(Math.abs(step)));
-};
-
-var precisionPrefix = function(step, value) {
- return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step)));
-};
-
-var precisionRound = function(step, max) {
- step = Math.abs(step), max = Math.abs(max) - step;
- return Math.max(0, exponent$1(max) - exponent$1(step)) + 1;
-};
-
-function localDate(d) {
- if (0 <= d.y && d.y < 100) {
- var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L);
- date.setFullYear(d.y);
- return date;
- }
- return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L);
-}
-
-function utcDate(d) {
- if (0 <= d.y && d.y < 100) {
- var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L));
- date.setUTCFullYear(d.y);
- return date;
- }
- return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L));
-}
-
-function newYear(y) {
- return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0};
-}
-
-function formatLocale$1(locale) {
- var locale_dateTime = locale.dateTime,
- locale_date = locale.date,
- locale_time = locale.time,
- locale_periods = locale.periods,
- locale_weekdays = locale.days,
- locale_shortWeekdays = locale.shortDays,
- locale_months = locale.months,
- locale_shortMonths = locale.shortMonths;
-
- var periodRe = formatRe(locale_periods),
- periodLookup = formatLookup(locale_periods),
- weekdayRe = formatRe(locale_weekdays),
- weekdayLookup = formatLookup(locale_weekdays),
- shortWeekdayRe = formatRe(locale_shortWeekdays),
- shortWeekdayLookup = formatLookup(locale_shortWeekdays),
- monthRe = formatRe(locale_months),
- monthLookup = formatLookup(locale_months),
- shortMonthRe = formatRe(locale_shortMonths),
- shortMonthLookup = formatLookup(locale_shortMonths);
-
- var formats = {
- "a": formatShortWeekday,
- "A": formatWeekday,
- "b": formatShortMonth,
- "B": formatMonth,
- "c": null,
- "d": formatDayOfMonth,
- "e": formatDayOfMonth,
- "H": formatHour24,
- "I": formatHour12,
- "j": formatDayOfYear,
- "L": formatMilliseconds,
- "m": formatMonthNumber,
- "M": formatMinutes,
- "p": formatPeriod,
- "S": formatSeconds,
- "U": formatWeekNumberSunday,
- "w": formatWeekdayNumber,
- "W": formatWeekNumberMonday,
- "x": null,
- "X": null,
- "y": formatYear,
- "Y": formatFullYear,
- "Z": formatZone,
- "%": formatLiteralPercent
- };
-
- var utcFormats = {
- "a": formatUTCShortWeekday,
- "A": formatUTCWeekday,
- "b": formatUTCShortMonth,
- "B": formatUTCMonth,
- "c": null,
- "d": formatUTCDayOfMonth,
- "e": formatUTCDayOfMonth,
- "H": formatUTCHour24,
- "I": formatUTCHour12,
- "j": formatUTCDayOfYear,
- "L": formatUTCMilliseconds,
- "m": formatUTCMonthNumber,
- "M": formatUTCMinutes,
- "p": formatUTCPeriod,
- "S": formatUTCSeconds,
- "U": formatUTCWeekNumberSunday,
- "w": formatUTCWeekdayNumber,
- "W": formatUTCWeekNumberMonday,
- "x": null,
- "X": null,
- "y": formatUTCYear,
- "Y": formatUTCFullYear,
- "Z": formatUTCZone,
- "%": formatLiteralPercent
- };
-
- var parses = {
- "a": parseShortWeekday,
- "A": parseWeekday,
- "b": parseShortMonth,
- "B": parseMonth,
- "c": parseLocaleDateTime,
- "d": parseDayOfMonth,
- "e": parseDayOfMonth,
- "H": parseHour24,
- "I": parseHour24,
- "j": parseDayOfYear,
- "L": parseMilliseconds,
- "m": parseMonthNumber,
- "M": parseMinutes,
- "p": parsePeriod,
- "S": parseSeconds,
- "U": parseWeekNumberSunday,
- "w": parseWeekdayNumber,
- "W": parseWeekNumberMonday,
- "x": parseLocaleDate,
- "X": parseLocaleTime,
- "y": parseYear,
- "Y": parseFullYear,
- "Z": parseZone,
- "%": parseLiteralPercent
- };
-
- // These recursive directive definitions must be deferred.
- formats.x = newFormat(locale_date, formats);
- formats.X = newFormat(locale_time, formats);
- formats.c = newFormat(locale_dateTime, formats);
- utcFormats.x = newFormat(locale_date, utcFormats);
- utcFormats.X = newFormat(locale_time, utcFormats);
- utcFormats.c = newFormat(locale_dateTime, utcFormats);
-
- function newFormat(specifier, formats) {
- return function(date) {
- var string = [],
- i = -1,
- j = 0,
- n = specifier.length,
- c,
- pad,
- format;
-
- if (!(date instanceof Date)) date = new Date(+date);
-
- while (++i < n) {
- if (specifier.charCodeAt(i) === 37) {
- string.push(specifier.slice(j, i));
- if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i);
- else pad = c === "e" ? " " : "0";
- if (format = formats[c]) c = format(date, pad);
- string.push(c);
- j = i + 1;
- }
- }
-
- string.push(specifier.slice(j, i));
- return string.join("");
- };
- }
-
- function newParse(specifier, newDate) {
- return function(string) {
- var d = newYear(1900),
- i = parseSpecifier(d, specifier, string += "", 0);
- if (i != string.length) return null;
-
- // The am-pm flag is 0 for AM, and 1 for PM.
- if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
- // Convert day-of-week and week-of-year to day-of-year.
- if ("W" in d || "U" in d) {
- if (!("w" in d)) d.w = "W" in d ? 1 : 0;
- var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay();
- d.m = 0;
- d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7;
- }
-
- // If a time zone is specified, all fields are interpreted as UTC and then
- // offset according to the specified time zone.
- if ("Z" in d) {
- d.H += d.Z / 100 | 0;
- d.M += d.Z % 100;
- return utcDate(d);
- }
-
- // Otherwise, all fields are in local time.
- return newDate(d);
- };
- }
-
- function parseSpecifier(d, specifier, string, j) {
- var i = 0,
- n = specifier.length,
- m = string.length,
- c,
- parse;
-
- while (i < n) {
- if (j >= m) return -1;
- c = specifier.charCodeAt(i++);
- if (c === 37) {
- c = specifier.charAt(i++);
- parse = parses[c in pads ? specifier.charAt(i++) : c];
- if (!parse || ((j = parse(d, string, j)) < 0)) return -1;
- } else if (c != string.charCodeAt(j++)) {
- return -1;
- }
- }
-
- return j;
- }
-
- function parsePeriod(d, string, i) {
- var n = periodRe.exec(string.slice(i));
- return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseShortWeekday(d, string, i) {
- var n = shortWeekdayRe.exec(string.slice(i));
- return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseWeekday(d, string, i) {
- var n = weekdayRe.exec(string.slice(i));
- return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseShortMonth(d, string, i) {
- var n = shortMonthRe.exec(string.slice(i));
- return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseMonth(d, string, i) {
- var n = monthRe.exec(string.slice(i));
- return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseLocaleDateTime(d, string, i) {
- return parseSpecifier(d, locale_dateTime, string, i);
- }
-
- function parseLocaleDate(d, string, i) {
- return parseSpecifier(d, locale_date, string, i);
- }
-
- function parseLocaleTime(d, string, i) {
- return parseSpecifier(d, locale_time, string, i);
- }
-
- function formatShortWeekday(d) {
- return locale_shortWeekdays[d.getDay()];
- }
-
- function formatWeekday(d) {
- return locale_weekdays[d.getDay()];
- }
-
- function formatShortMonth(d) {
- return locale_shortMonths[d.getMonth()];
- }
-
- function formatMonth(d) {
- return locale_months[d.getMonth()];
- }
-
- function formatPeriod(d) {
- return locale_periods[+(d.getHours() >= 12)];
- }
-
- function formatUTCShortWeekday(d) {
- return locale_shortWeekdays[d.getUTCDay()];
- }
-
- function formatUTCWeekday(d) {
- return locale_weekdays[d.getUTCDay()];
- }
-
- function formatUTCShortMonth(d) {
- return locale_shortMonths[d.getUTCMonth()];
- }
-
- function formatUTCMonth(d) {
- return locale_months[d.getUTCMonth()];
- }
-
- function formatUTCPeriod(d) {
- return locale_periods[+(d.getUTCHours() >= 12)];
- }
-
- return {
- format: function(specifier) {
- var f = newFormat(specifier += "", formats);
- f.toString = function() { return specifier; };
- return f;
- },
- parse: function(specifier) {
- var p = newParse(specifier += "", localDate);
- p.toString = function() { return specifier; };
- return p;
- },
- utcFormat: function(specifier) {
- var f = newFormat(specifier += "", utcFormats);
- f.toString = function() { return specifier; };
- return f;
- },
- utcParse: function(specifier) {
- var p = newParse(specifier, utcDate);
- p.toString = function() { return specifier; };
- return p;
- }
- };
-}
-
-var pads = {"-": "", "_": " ", "0": "0"};
-var numberRe = /^\s*\d+/;
-var percentRe = /^%/;
-var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-
-function pad(value, fill, width) {
- var sign = value < 0 ? "-" : "",
- string = (sign ? -value : value) + "",
- length = string.length;
- return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
-}
-
-function requote(s) {
- return s.replace(requoteRe, "\\$&");
-}
-
-function formatRe(names) {
- return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i");
-}
-
-function formatLookup(names) {
- var map = {}, i = -1, n = names.length;
- while (++i < n) map[names[i].toLowerCase()] = i;
- return map;
-}
-
-function parseWeekdayNumber(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 1));
- return n ? (d.w = +n[0], i + n[0].length) : -1;
-}
-
-function parseWeekNumberSunday(d, string, i) {
- var n = numberRe.exec(string.slice(i));
- return n ? (d.U = +n[0], i + n[0].length) : -1;
-}
-
-function parseWeekNumberMonday(d, string, i) {
- var n = numberRe.exec(string.slice(i));
- return n ? (d.W = +n[0], i + n[0].length) : -1;
-}
-
-function parseFullYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 4));
- return n ? (d.y = +n[0], i + n[0].length) : -1;
-}
-
-function parseYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1;
-}
-
-function parseZone(d, string, i) {
- var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6));
- return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1;
-}
-
-function parseMonthNumber(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.m = n[0] - 1, i + n[0].length) : -1;
-}
-
-function parseDayOfMonth(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.d = +n[0], i + n[0].length) : -1;
-}
-
-function parseDayOfYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 3));
- return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1;
-}
-
-function parseHour24(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.H = +n[0], i + n[0].length) : -1;
-}
-
-function parseMinutes(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.M = +n[0], i + n[0].length) : -1;
-}
-
-function parseSeconds(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.S = +n[0], i + n[0].length) : -1;
-}
-
-function parseMilliseconds(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 3));
- return n ? (d.L = +n[0], i + n[0].length) : -1;
-}
-
-function parseLiteralPercent(d, string, i) {
- var n = percentRe.exec(string.slice(i, i + 1));
- return n ? i + n[0].length : -1;
-}
-
-function formatDayOfMonth(d, p) {
- return pad(d.getDate(), p, 2);
-}
-
-function formatHour24(d, p) {
- return pad(d.getHours(), p, 2);
-}
-
-function formatHour12(d, p) {
- return pad(d.getHours() % 12 || 12, p, 2);
-}
-
-function formatDayOfYear(d, p) {
- return pad(1 + day.count(year(d), d), p, 3);
-}
-
-function formatMilliseconds(d, p) {
- return pad(d.getMilliseconds(), p, 3);
-}
-
-function formatMonthNumber(d, p) {
- return pad(d.getMonth() + 1, p, 2);
-}
-
-function formatMinutes(d, p) {
- return pad(d.getMinutes(), p, 2);
-}
-
-function formatSeconds(d, p) {
- return pad(d.getSeconds(), p, 2);
-}
-
-function formatWeekNumberSunday(d, p) {
- return pad(sunday.count(year(d), d), p, 2);
-}
-
-function formatWeekdayNumber(d) {
- return d.getDay();
-}
-
-function formatWeekNumberMonday(d, p) {
- return pad(monday.count(year(d), d), p, 2);
-}
-
-function formatYear(d, p) {
- return pad(d.getFullYear() % 100, p, 2);
-}
-
-function formatFullYear(d, p) {
- return pad(d.getFullYear() % 10000, p, 4);
-}
-
-function formatZone(d) {
- var z = d.getTimezoneOffset();
- return (z > 0 ? "-" : (z *= -1, "+"))
- + pad(z / 60 | 0, "0", 2)
- + pad(z % 60, "0", 2);
-}
-
-function formatUTCDayOfMonth(d, p) {
- return pad(d.getUTCDate(), p, 2);
-}
-
-function formatUTCHour24(d, p) {
- return pad(d.getUTCHours(), p, 2);
-}
-
-function formatUTCHour12(d, p) {
- return pad(d.getUTCHours() % 12 || 12, p, 2);
-}
-
-function formatUTCDayOfYear(d, p) {
- return pad(1 + utcDay.count(utcYear(d), d), p, 3);
-}
-
-function formatUTCMilliseconds(d, p) {
- return pad(d.getUTCMilliseconds(), p, 3);
-}
-
-function formatUTCMonthNumber(d, p) {
- return pad(d.getUTCMonth() + 1, p, 2);
-}
-
-function formatUTCMinutes(d, p) {
- return pad(d.getUTCMinutes(), p, 2);
-}
-
-function formatUTCSeconds(d, p) {
- return pad(d.getUTCSeconds(), p, 2);
-}
-
-function formatUTCWeekNumberSunday(d, p) {
- return pad(utcSunday.count(utcYear(d), d), p, 2);
-}
-
-function formatUTCWeekdayNumber(d) {
- return d.getUTCDay();
-}
-
-function formatUTCWeekNumberMonday(d, p) {
- return pad(utcMonday.count(utcYear(d), d), p, 2);
-}
-
-function formatUTCYear(d, p) {
- return pad(d.getUTCFullYear() % 100, p, 2);
-}
-
-function formatUTCFullYear(d, p) {
- return pad(d.getUTCFullYear() % 10000, p, 4);
-}
-
-function formatUTCZone() {
- return "+0000";
-}
-
-function formatLiteralPercent() {
- return "%";
-}
-
-var locale$2;
-
-
-
-
-
-defaultLocale$1({
- dateTime: "%x, %X",
- date: "%-m/%-d/%Y",
- time: "%-I:%M:%S %p",
- periods: ["AM", "PM"],
- days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
- shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
- months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
- shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-});
-
-function defaultLocale$1(definition) {
- locale$2 = formatLocale$1(definition);
- exports.timeFormat = locale$2.format;
- exports.timeParse = locale$2.parse;
- exports.utcFormat = locale$2.utcFormat;
- exports.utcParse = locale$2.utcParse;
- return locale$2;
-}
-
-var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ";
-
-function formatIsoNative(date) {
- return date.toISOString();
-}
-
-var formatIso = Date.prototype.toISOString
- ? formatIsoNative
- : exports.utcFormat(isoSpecifier);
-
-function parseIsoNative(string) {
- var date = new Date(string);
- return isNaN(date) ? null : date;
-}
-
-var parseIso = +new Date("2000-01-01T00:00:00.000Z")
- ? parseIsoNative
- : exports.utcParse(isoSpecifier);
-
-var array$2 = Array.prototype;
-
-var map$3 = array$2.map;
-var slice$3 = array$2.slice;
-
-var implicit = {name: "implicit"};
-
-function ordinal(range) {
- var index = map$1(),
- domain = [],
- unknown = implicit;
-
- range = range == null ? [] : slice$3.call(range);
-
- function scale(d) {
- var key = d + "", i = index.get(key);
- if (!i) {
- if (unknown !== implicit) return unknown;
- index.set(key, i = domain.push(d));
- }
- return range[(i - 1) % range.length];
- }
-
- scale.domain = function(_) {
- if (!arguments.length) return domain.slice();
- domain = [], index = map$1();
- var i = -1, n = _.length, d, key;
- while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d));
- return scale;
- };
-
- scale.range = function(_) {
- return arguments.length ? (range = slice$3.call(_), scale) : range.slice();
- };
-
- scale.unknown = function(_) {
- return arguments.length ? (unknown = _, scale) : unknown;
- };
-
- scale.copy = function() {
- return ordinal()
- .domain(domain)
- .range(range)
- .unknown(unknown);
- };
-
- return scale;
-}
-
-function band() {
- var scale = ordinal().unknown(undefined),
- domain = scale.domain,
- ordinalRange = scale.range,
- range$$1 = [0, 1],
- step,
- bandwidth,
- round = false,
- paddingInner = 0,
- paddingOuter = 0,
- align = 0.5;
-
- delete scale.unknown;
-
- function rescale() {
- var n = domain().length,
- reverse = range$$1[1] < range$$1[0],
- start = range$$1[reverse - 0],
- stop = range$$1[1 - reverse];
- step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2);
- if (round) step = Math.floor(step);
- start += (stop - start - step * (n - paddingInner)) * align;
- bandwidth = step * (1 - paddingInner);
- if (round) start = Math.round(start), bandwidth = Math.round(bandwidth);
- var values = range(n).map(function(i) { return start + step * i; });
- return ordinalRange(reverse ? values.reverse() : values);
- }
-
- scale.domain = function(_) {
- return arguments.length ? (domain(_), rescale()) : domain();
- };
-
- scale.range = function(_) {
- return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice();
- };
-
- scale.rangeRound = function(_) {
- return range$$1 = [+_[0], +_[1]], round = true, rescale();
- };
-
- scale.bandwidth = function() {
- return bandwidth;
- };
-
- scale.step = function() {
- return step;
- };
-
- scale.round = function(_) {
- return arguments.length ? (round = !!_, rescale()) : round;
- };
-
- scale.padding = function(_) {
- return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner;
- };
-
- scale.paddingInner = function(_) {
- return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner;
- };
-
- scale.paddingOuter = function(_) {
- return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter;
- };
-
- scale.align = function(_) {
- return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align;
- };
-
- scale.copy = function() {
- return band()
- .domain(domain())
- .range(range$$1)
- .round(round)
- .paddingInner(paddingInner)
- .paddingOuter(paddingOuter)
- .align(align);
- };
-
- return rescale();
-}
-
-function pointish(scale) {
- var copy = scale.copy;
-
- scale.padding = scale.paddingOuter;
- delete scale.paddingInner;
- delete scale.paddingOuter;
-
- scale.copy = function() {
- return pointish(copy());
- };
-
- return scale;
-}
-
-function point$4() {
- return pointish(band().paddingInner(1));
-}
-
-var constant$4 = function(x) {
- return function() {
- return x;
- };
-};
-
-var number$1 = function(x) {
- return +x;
-};
-
-var unit = [0, 1];
-
-function deinterpolateLinear(a, b) {
- return (b -= (a = +a))
- ? function(x) { return (x - a) / b; }
- : constant$4(b);
-}
-
-function deinterpolateClamp(deinterpolate) {
- return function(a, b) {
- var d = deinterpolate(a = +a, b = +b);
- return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); };
- };
-}
-
-function reinterpolateClamp(reinterpolate) {
- return function(a, b) {
- var r = reinterpolate(a = +a, b = +b);
- return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); };
- };
-}
-
-function bimap(domain, range$$1, deinterpolate, reinterpolate) {
- var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1];
- if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0);
- else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1);
- return function(x) { return r0(d0(x)); };
-}
-
-function polymap(domain, range$$1, deinterpolate, reinterpolate) {
- var j = Math.min(domain.length, range$$1.length) - 1,
- d = new Array(j),
- r = new Array(j),
- i = -1;
-
- // Reverse descending domains.
- if (domain[j] < domain[0]) {
- domain = domain.slice().reverse();
- range$$1 = range$$1.slice().reverse();
- }
-
- while (++i < j) {
- d[i] = deinterpolate(domain[i], domain[i + 1]);
- r[i] = reinterpolate(range$$1[i], range$$1[i + 1]);
- }
-
- return function(x) {
- var i = bisectRight(domain, x, 1, j) - 1;
- return r[i](d[i](x));
- };
-}
-
-function copy(source, target) {
- return target
- .domain(source.domain())
- .range(source.range())
- .interpolate(source.interpolate())
- .clamp(source.clamp());
-}
-
-// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1].
-// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b].
-function continuous(deinterpolate, reinterpolate) {
- var domain = unit,
- range$$1 = unit,
- interpolate$$1 = interpolate,
- clamp = false,
- piecewise,
- output,
- input;
-
- function rescale() {
- piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap;
- output = input = null;
- return scale;
- }
-
- function scale(x) {
- return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x);
- }
-
- scale.invert = function(y) {
- return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y);
- };
-
- scale.domain = function(_) {
- return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice();
- };
-
- scale.range = function(_) {
- return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice();
- };
-
- scale.rangeRound = function(_) {
- return range$$1 = slice$3.call(_), interpolate$$1 = interpolateRound, rescale();
- };
-
- scale.clamp = function(_) {
- return arguments.length ? (clamp = !!_, rescale()) : clamp;
- };
-
- scale.interpolate = function(_) {
- return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1;
- };
-
- return rescale();
-}
-
-var tickFormat = function(domain, count, specifier) {
- var start = domain[0],
- stop = domain[domain.length - 1],
- step = tickStep(start, stop, count == null ? 10 : count),
- precision;
- specifier = formatSpecifier(specifier == null ? ",f" : specifier);
- switch (specifier.type) {
- case "s": {
- var value = Math.max(Math.abs(start), Math.abs(stop));
- if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision;
- return exports.formatPrefix(specifier, value);
- }
- case "":
- case "e":
- case "g":
- case "p":
- case "r": {
- if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e");
- break;
- }
- case "f":
- case "%": {
- if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2;
- break;
- }
- }
- return exports.format(specifier);
-};
-
-function linearish(scale) {
- var domain = scale.domain;
-
- scale.ticks = function(count) {
- var d = domain();
- return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
- };
-
- scale.tickFormat = function(count, specifier) {
- return tickFormat(domain(), count, specifier);
- };
-
- scale.nice = function(count) {
- var d = domain(),
- i = d.length - 1,
- n = count == null ? 10 : count,
- start = d[0],
- stop = d[i],
- step = tickStep(start, stop, n);
-
- if (step) {
- step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n);
- d[0] = Math.floor(start / step) * step;
- d[i] = Math.ceil(stop / step) * step;
- domain(d);
- }
-
- return scale;
- };
-
- return scale;
-}
-
-function linear$2() {
- var scale = continuous(deinterpolateLinear, interpolateNumber);
-
- scale.copy = function() {
- return copy(scale, linear$2());
- };
-
- return linearish(scale);
-}
-
-function identity$4() {
- var domain = [0, 1];
-
- function scale(x) {
- return +x;
- }
-
- scale.invert = scale;
-
- scale.domain = scale.range = function(_) {
- return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice();
- };
-
- scale.copy = function() {
- return identity$4().domain(domain);
- };
-
- return linearish(scale);
-}
-
-var nice = function(domain, interval) {
- domain = domain.slice();
-
- var i0 = 0,
- i1 = domain.length - 1,
- x0 = domain[i0],
- x1 = domain[i1],
- t;
-
- if (x1 < x0) {
- t = i0, i0 = i1, i1 = t;
- t = x0, x0 = x1, x1 = t;
- }
-
- domain[i0] = interval.floor(x0);
- domain[i1] = interval.ceil(x1);
- return domain;
-};
-
-function deinterpolate(a, b) {
- return (b = Math.log(b / a))
- ? function(x) { return Math.log(x / a) / b; }
- : constant$4(b);
-}
-
-function reinterpolate(a, b) {
- return a < 0
- ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); }
- : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); };
-}
-
-function pow10(x) {
- return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x;
-}
-
-function powp(base) {
- return base === 10 ? pow10
- : base === Math.E ? Math.exp
- : function(x) { return Math.pow(base, x); };
-}
-
-function logp(base) {
- return base === Math.E ? Math.log
- : base === 10 && Math.log10
- || base === 2 && Math.log2
- || (base = Math.log(base), function(x) { return Math.log(x) / base; });
-}
-
-function reflect(f) {
- return function(x) {
- return -f(-x);
- };
-}
-
-function log() {
- var scale = continuous(deinterpolate, reinterpolate).domain([1, 10]),
- domain = scale.domain,
- base = 10,
- logs = logp(10),
- pows = powp(10);
-
- function rescale() {
- logs = logp(base), pows = powp(base);
- if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows);
- return scale;
- }
-
- scale.base = function(_) {
- return arguments.length ? (base = +_, rescale()) : base;
- };
-
- scale.domain = function(_) {
- return arguments.length ? (domain(_), rescale()) : domain();
- };
-
- scale.ticks = function(count) {
- var d = domain(),
- u = d[0],
- v = d[d.length - 1],
- r;
-
- if (r = v < u) i = u, u = v, v = i;
-
- var i = logs(u),
- j = logs(v),
- p,
- k,
- t,
- n = count == null ? 10 : +count,
- z = [];
-
- if (!(base % 1) && j - i < n) {
- i = Math.round(i) - 1, j = Math.round(j) + 1;
- if (u > 0) for (; i < j; ++i) {
- for (k = 1, p = pows(i); k < base; ++k) {
- t = p * k;
- if (t < u) continue;
- if (t > v) break;
- z.push(t);
- }
- } else for (; i < j; ++i) {
- for (k = base - 1, p = pows(i); k >= 1; --k) {
- t = p * k;
- if (t < u) continue;
- if (t > v) break;
- z.push(t);
- }
- }
- } else {
- z = ticks(i, j, Math.min(j - i, n)).map(pows);
- }
-
- return r ? z.reverse() : z;
- };
-
- scale.tickFormat = function(count, specifier) {
- if (specifier == null) specifier = base === 10 ? ".0e" : ",";
- if (typeof specifier !== "function") specifier = exports.format(specifier);
- if (count === Infinity) return specifier;
- if (count == null) count = 10;
- var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate?
- return function(d) {
- var i = d / pows(Math.round(logs(d)));
- if (i * base < base - 0.5) i *= base;
- return i <= k ? specifier(d) : "";
- };
- };
-
- scale.nice = function() {
- return domain(nice(domain(), {
- floor: function(x) { return pows(Math.floor(logs(x))); },
- ceil: function(x) { return pows(Math.ceil(logs(x))); }
- }));
- };
-
- scale.copy = function() {
- return copy(scale, log().base(base));
- };
-
- return scale;
-}
-
-function raise(x, exponent) {
- return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent);
-}
-
-function pow() {
- var exponent = 1,
- scale = continuous(deinterpolate, reinterpolate),
- domain = scale.domain;
-
- function deinterpolate(a, b) {
- return (b = raise(b, exponent) - (a = raise(a, exponent)))
- ? function(x) { return (raise(x, exponent) - a) / b; }
- : constant$4(b);
- }
-
- function reinterpolate(a, b) {
- b = raise(b, exponent) - (a = raise(a, exponent));
- return function(t) { return raise(a + b * t, 1 / exponent); };
- }
-
- scale.exponent = function(_) {
- return arguments.length ? (exponent = +_, domain(domain())) : exponent;
- };
-
- scale.copy = function() {
- return copy(scale, pow().exponent(exponent));
- };
-
- return linearish(scale);
-}
-
-function sqrt() {
- return pow().exponent(0.5);
-}
-
-function quantile$$1() {
- var domain = [],
- range$$1 = [],
- thresholds = [];
-
- function rescale() {
- var i = 0, n = Math.max(1, range$$1.length);
- thresholds = new Array(n - 1);
- while (++i < n) thresholds[i - 1] = threshold(domain, i / n);
- return scale;
- }
-
- function scale(x) {
- if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)];
- }
-
- scale.invertExtent = function(y) {
- var i = range$$1.indexOf(y);
- return i < 0 ? [NaN, NaN] : [
- i > 0 ? thresholds[i - 1] : domain[0],
- i < thresholds.length ? thresholds[i] : domain[domain.length - 1]
- ];
- };
-
- scale.domain = function(_) {
- if (!arguments.length) return domain.slice();
- domain = [];
- for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d);
- domain.sort(ascending);
- return rescale();
- };
-
- scale.range = function(_) {
- return arguments.length ? (range$$1 = slice$3.call(_), rescale()) : range$$1.slice();
- };
-
- scale.quantiles = function() {
- return thresholds.slice();
- };
-
- scale.copy = function() {
- return quantile$$1()
- .domain(domain)
- .range(range$$1);
- };
-
- return scale;
-}
-
-function quantize$1() {
- var x0 = 0,
- x1 = 1,
- n = 1,
- domain = [0.5],
- range$$1 = [0, 1];
-
- function scale(x) {
- if (x <= x) return range$$1[bisectRight(domain, x, 0, n)];
- }
-
- function rescale() {
- var i = -1;
- domain = new Array(n);
- while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);
- return scale;
- }
-
- scale.domain = function(_) {
- return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1];
- };
-
- scale.range = function(_) {
- return arguments.length ? (n = (range$$1 = slice$3.call(_)).length - 1, rescale()) : range$$1.slice();
- };
-
- scale.invertExtent = function(y) {
- var i = range$$1.indexOf(y);
- return i < 0 ? [NaN, NaN]
- : i < 1 ? [x0, domain[0]]
- : i >= n ? [domain[n - 1], x1]
- : [domain[i - 1], domain[i]];
- };
-
- scale.copy = function() {
- return quantize$1()
- .domain([x0, x1])
- .range(range$$1);
- };
-
- return linearish(scale);
-}
-
-function threshold$1() {
- var domain = [0.5],
- range$$1 = [0, 1],
- n = 1;
-
- function scale(x) {
- if (x <= x) return range$$1[bisectRight(domain, x, 0, n)];
- }
-
- scale.domain = function(_) {
- return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice();
- };
-
- scale.range = function(_) {
- return arguments.length ? (range$$1 = slice$3.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice();
- };
-
- scale.invertExtent = function(y) {
- var i = range$$1.indexOf(y);
- return [domain[i - 1], domain[i]];
- };
-
- scale.copy = function() {
- return threshold$1()
- .domain(domain)
- .range(range$$1);
- };
-
- return scale;
-}
-
-var durationSecond$1 = 1000;
-var durationMinute$1 = durationSecond$1 * 60;
-var durationHour$1 = durationMinute$1 * 60;
-var durationDay$1 = durationHour$1 * 24;
-var durationWeek$1 = durationDay$1 * 7;
-var durationMonth = durationDay$1 * 30;
-var durationYear = durationDay$1 * 365;
-
-function date$1(t) {
- return new Date(t);
-}
-
-function number$2(t) {
- return t instanceof Date ? +t : +new Date(+t);
-}
-
-function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) {
- var scale = continuous(deinterpolateLinear, interpolateNumber),
- invert = scale.invert,
- domain = scale.domain;
-
- var formatMillisecond = format(".%L"),
- formatSecond = format(":%S"),
- formatMinute = format("%I:%M"),
- formatHour = format("%I %p"),
- formatDay = format("%a %d"),
- formatWeek = format("%b %d"),
- formatMonth = format("%B"),
- formatYear = format("%Y");
-
- var tickIntervals = [
- [second$$1, 1, durationSecond$1],
- [second$$1, 5, 5 * durationSecond$1],
- [second$$1, 15, 15 * durationSecond$1],
- [second$$1, 30, 30 * durationSecond$1],
- [minute$$1, 1, durationMinute$1],
- [minute$$1, 5, 5 * durationMinute$1],
- [minute$$1, 15, 15 * durationMinute$1],
- [minute$$1, 30, 30 * durationMinute$1],
- [ hour$$1, 1, durationHour$1 ],
- [ hour$$1, 3, 3 * durationHour$1 ],
- [ hour$$1, 6, 6 * durationHour$1 ],
- [ hour$$1, 12, 12 * durationHour$1 ],
- [ day$$1, 1, durationDay$1 ],
- [ day$$1, 2, 2 * durationDay$1 ],
- [ week, 1, durationWeek$1 ],
- [ month$$1, 1, durationMonth ],
- [ month$$1, 3, 3 * durationMonth ],
- [ year$$1, 1, durationYear ]
- ];
-
- function tickFormat(date) {
- return (second$$1(date) < date ? formatMillisecond
- : minute$$1(date) < date ? formatSecond
- : hour$$1(date) < date ? formatMinute
- : day$$1(date) < date ? formatHour
- : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek)
- : year$$1(date) < date ? formatMonth
- : formatYear)(date);
- }
-
- function tickInterval(interval, start, stop, step) {
- if (interval == null) interval = 10;
-
- // If a desired tick count is specified, pick a reasonable tick interval
- // based on the extent of the domain and a rough estimate of tick size.
- // Otherwise, assume interval is already a time interval and use it.
- if (typeof interval === "number") {
- var target = Math.abs(stop - start) / interval,
- i = bisector(function(i) { return i[2]; }).right(tickIntervals, target);
- if (i === tickIntervals.length) {
- step = tickStep(start / durationYear, stop / durationYear, interval);
- interval = year$$1;
- } else if (i) {
- i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i];
- step = i[1];
- interval = i[0];
- } else {
- step = tickStep(start, stop, interval);
- interval = millisecond$$1;
- }
- }
-
- return step == null ? interval : interval.every(step);
- }
-
- scale.invert = function(y) {
- return new Date(invert(y));
- };
-
- scale.domain = function(_) {
- return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1);
- };
-
- scale.ticks = function(interval, step) {
- var d = domain(),
- t0 = d[0],
- t1 = d[d.length - 1],
- r = t1 < t0,
- t;
- if (r) t = t0, t0 = t1, t1 = t;
- t = tickInterval(interval, t0, t1, step);
- t = t ? t.range(t0, t1 + 1) : []; // inclusive stop
- return r ? t.reverse() : t;
- };
-
- scale.tickFormat = function(count, specifier) {
- return specifier == null ? tickFormat : format(specifier);
- };
-
- scale.nice = function(interval, step) {
- var d = domain();
- return (interval = tickInterval(interval, d[0], d[d.length - 1], step))
- ? domain(nice(d, interval))
- : scale;
- };
-
- scale.copy = function() {
- return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format));
- };
-
- return scale;
-}
-
-var time = function() {
- return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]);
-};
-
-var utcTime = function() {
- return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]);
-};
-
-var colors = function(s) {
- return s.match(/.{6}/g).map(function(x) {
- return "#" + x;
- });
-};
-
-var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf");
-
-var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6");
-
-var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9");
-
-var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5");
-
-var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0));
-
-var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
-
-var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
-
-var rainbow = cubehelix();
-
-var rainbow$1 = function(t) {
- if (t < 0 || t > 1) t -= Math.floor(t);
- var ts = Math.abs(t - 0.5);
- rainbow.h = 360 * t - 100;
- rainbow.s = 1.5 - 1.5 * ts;
- rainbow.l = 0.8 - 0.9 * ts;
- return rainbow + "";
-};
-
-function ramp(range) {
- var n = range.length;
- return function(t) {
- return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))];
- };
-}
-
-var viridis = ramp(colors("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"));
-
-var magma = ramp(colors("00000401000501010601010802010902020b02020d03030f03031204041405041606051806051a07061c08071e0907200a08220b09240c09260d0a290e0b2b100b2d110c2f120d31130d34140e36150e38160f3b180f3d19103f1a10421c10441d11471e114920114b21114e22115024125325125527125829115a2a115c2c115f2d11612f116331116533106734106936106b38106c390f6e3b0f703d0f713f0f72400f74420f75440f764510774710784910784a10794c117a4e117b4f127b51127c52137c54137d56147d57157e59157e5a167e5c167f5d177f5f187f601880621980641a80651a80671b80681c816a1c816b1d816d1d816e1e81701f81721f817320817521817621817822817922827b23827c23827e24828025828125818326818426818627818827818928818b29818c29818e2a81902a81912b81932b80942c80962c80982d80992d809b2e7f9c2e7f9e2f7fa02f7fa1307ea3307ea5317ea6317da8327daa337dab337cad347cae347bb0357bb2357bb3367ab5367ab73779b83779ba3878bc3978bd3977bf3a77c03a76c23b75c43c75c53c74c73d73c83e73ca3e72cc3f71cd4071cf4070d0416fd2426fd3436ed5446dd6456cd8456cd9466bdb476adc4869de4968df4a68e04c67e24d66e34e65e44f64e55064e75263e85362e95462ea5661eb5760ec5860ed5a5fee5b5eef5d5ef05f5ef1605df2625df2645cf3655cf4675cf4695cf56b5cf66c5cf66e5cf7705cf7725cf8745cf8765cf9785df9795df97b5dfa7d5efa7f5efa815ffb835ffb8560fb8761fc8961fc8a62fc8c63fc8e64fc9065fd9266fd9467fd9668fd9869fd9a6afd9b6bfe9d6cfe9f6dfea16efea36ffea571fea772fea973feaa74feac76feae77feb078feb27afeb47bfeb67cfeb77efeb97ffebb81febd82febf84fec185fec287fec488fec68afec88cfeca8dfecc8ffecd90fecf92fed194fed395fed597fed799fed89afdda9cfddc9efddea0fde0a1fde2a3fde3a5fde5a7fde7a9fde9aafdebacfcecaefceeb0fcf0b2fcf2b4fcf4b6fcf6b8fcf7b9fcf9bbfcfbbdfcfdbf"));
-
-var inferno = ramp(colors("00000401000501010601010802010a02020c02020e03021004031204031405041706041907051b08051d09061f0a07220b07240c08260d08290e092b10092d110a30120a32140b34150b37160b39180c3c190c3e1b0c411c0c431e0c451f0c48210c4a230c4c240c4f260c51280b53290b552b0b572d0b592f0a5b310a5c320a5e340a5f3609613809623909633b09643d09653e0966400a67420a68440a68450a69470b6a490b6a4a0c6b4c0c6b4d0d6c4f0d6c510e6c520e6d540f6d550f6d57106e59106e5a116e5c126e5d126e5f136e61136e62146e64156e65156e67166e69166e6a176e6c186e6d186e6f196e71196e721a6e741a6e751b6e771c6d781c6d7a1d6d7c1d6d7d1e6d7f1e6c801f6c82206c84206b85216b87216b88226a8a226a8c23698d23698f24699025689225689326679526679727669827669a28659b29649d29649f2a63a02a63a22b62a32c61a52c60a62d60a82e5fa92e5eab2f5ead305dae305cb0315bb1325ab3325ab43359b63458b73557b93556ba3655bc3754bd3853bf3952c03a51c13a50c33b4fc43c4ec63d4dc73e4cc83f4bca404acb4149cc4248ce4347cf4446d04545d24644d34743d44842d54a41d74b3fd84c3ed94d3dda4e3cdb503bdd513ade5238df5337e05536e15635e25734e35933e45a31e55c30e65d2fe75e2ee8602de9612bea632aeb6429eb6628ec6726ed6925ee6a24ef6c23ef6e21f06f20f1711ff1731df2741cf3761bf37819f47918f57b17f57d15f67e14f68013f78212f78410f8850ff8870ef8890cf98b0bf98c0af98e09fa9008fa9207fa9407fb9606fb9706fb9906fb9b06fb9d07fc9f07fca108fca309fca50afca60cfca80dfcaa0ffcac11fcae12fcb014fcb216fcb418fbb61afbb81dfbba1ffbbc21fbbe23fac026fac228fac42afac62df9c72ff9c932f9cb35f8cd37f8cf3af7d13df7d340f6d543f6d746f5d949f5db4cf4dd4ff4df53f4e156f3e35af3e55df2e661f2e865f2ea69f1ec6df1ed71f1ef75f1f179f2f27df2f482f3f586f3f68af4f88ef5f992f6fa96f8fb9af9fc9dfafda1fcffa4"));
-
-var plasma = ramp(colors("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"));
-
-function sequential(interpolator) {
- var x0 = 0,
- x1 = 1,
- clamp = false;
-
- function scale(x) {
- var t = (x - x0) / (x1 - x0);
- return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t);
- }
-
- scale.domain = function(_) {
- return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1];
- };
-
- scale.clamp = function(_) {
- return arguments.length ? (clamp = !!_, scale) : clamp;
- };
-
- scale.interpolator = function(_) {
- return arguments.length ? (interpolator = _, scale) : interpolator;
- };
-
- scale.copy = function() {
- return sequential(interpolator).domain([x0, x1]).clamp(clamp);
- };
-
- return linearish(scale);
-}
-
-var xhtml = "http://www.w3.org/1999/xhtml";
-
-var namespaces = {
- svg: "http://www.w3.org/2000/svg",
- xhtml: xhtml,
- xlink: "http://www.w3.org/1999/xlink",
- xml: "http://www.w3.org/XML/1998/namespace",
- xmlns: "http://www.w3.org/2000/xmlns/"
-};
-
-var namespace = function(name) {
- var prefix = name += "", i = prefix.indexOf(":");
- if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
- return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name;
-};
-
-function creatorInherit(name) {
- return function() {
- var document = this.ownerDocument,
- uri = this.namespaceURI;
- return uri === xhtml && document.documentElement.namespaceURI === xhtml
- ? document.createElement(name)
- : document.createElementNS(uri, name);
- };
-}
-
-function creatorFixed(fullname) {
- return function() {
- return this.ownerDocument.createElementNS(fullname.space, fullname.local);
- };
-}
-
-var creator = function(name) {
- var fullname = namespace(name);
- return (fullname.local
- ? creatorFixed
- : creatorInherit)(fullname);
-};
-
-var nextId = 0;
-
-function local() {
- return new Local;
-}
-
-function Local() {
- this._ = "@" + (++nextId).toString(36);
-}
-
-Local.prototype = local.prototype = {
- constructor: Local,
- get: function(node) {
- var id = this._;
- while (!(id in node)) if (!(node = node.parentNode)) return;
- return node[id];
- },
- set: function(node, value) {
- return node[this._] = value;
- },
- remove: function(node) {
- return this._ in node && delete node[this._];
- },
- toString: function() {
- return this._;
- }
-};
-
-var matcher = function(selector) {
- return function() {
- return this.matches(selector);
- };
-};
-
-if (typeof document !== "undefined") {
- var element = document.documentElement;
- if (!element.matches) {
- var vendorMatches = element.webkitMatchesSelector
- || element.msMatchesSelector
- || element.mozMatchesSelector
- || element.oMatchesSelector;
- matcher = function(selector) {
- return function() {
- return vendorMatches.call(this, selector);
- };
- };
- }
-}
-
-var matcher$1 = matcher;
-
-var filterEvents = {};
-
-exports.event = null;
-
-if (typeof document !== "undefined") {
- var element$1 = document.documentElement;
- if (!("onmouseenter" in element$1)) {
- filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"};
- }
-}
-
-function filterContextListener(listener, index, group) {
- listener = contextListener(listener, index, group);
- return function(event) {
- var related = event.relatedTarget;
- if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) {
- listener.call(this, event);
- }
- };
-}
-
-function contextListener(listener, index, group) {
- return function(event1) {
- var event0 = exports.event; // Events can be reentrant (e.g., focus).
- exports.event = event1;
- try {
- listener.call(this, this.__data__, index, group);
- } finally {
- exports.event = event0;
- }
- };
-}
-
-function parseTypenames$1(typenames) {
- return typenames.trim().split(/^|\s+/).map(function(t) {
- var name = "", i = t.indexOf(".");
- if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
- return {type: t, name: name};
- });
-}
-
-function onRemove(typename) {
- return function() {
- var on = this.__on;
- if (!on) return;
- for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {
- if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {
- this.removeEventListener(o.type, o.listener, o.capture);
- } else {
- on[++i] = o;
- }
- }
- if (++i) on.length = i;
- else delete this.__on;
- };
-}
-
-function onAdd(typename, value, capture) {
- var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener;
- return function(d, i, group) {
- var on = this.__on, o, listener = wrap(value, i, group);
- if (on) for (var j = 0, m = on.length; j < m; ++j) {
- if ((o = on[j]).type === typename.type && o.name === typename.name) {
- this.removeEventListener(o.type, o.listener, o.capture);
- this.addEventListener(o.type, o.listener = listener, o.capture = capture);
- o.value = value;
- return;
- }
- }
- this.addEventListener(typename.type, listener, capture);
- o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture};
- if (!on) this.__on = [o];
- else on.push(o);
- };
-}
-
-var selection_on = function(typename, value, capture) {
- var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t;
-
- if (arguments.length < 2) {
- var on = this.node().__on;
- if (on) for (var j = 0, m = on.length, o; j < m; ++j) {
- for (i = 0, o = on[j]; i < n; ++i) {
- if ((t = typenames[i]).type === o.type && t.name === o.name) {
- return o.value;
- }
- }
- }
- return;
- }
-
- on = value ? onAdd : onRemove;
- if (capture == null) capture = false;
- for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture));
- return this;
-};
-
-function customEvent(event1, listener, that, args) {
- var event0 = exports.event;
- event1.sourceEvent = exports.event;
- exports.event = event1;
- try {
- return listener.apply(that, args);
- } finally {
- exports.event = event0;
- }
-}
-
-var sourceEvent = function() {
- var current = exports.event, source;
- while (source = current.sourceEvent) current = source;
- return current;
-};
-
-var point$5 = function(node, event) {
- var svg = node.ownerSVGElement || node;
-
- if (svg.createSVGPoint) {
- var point = svg.createSVGPoint();
- point.x = event.clientX, point.y = event.clientY;
- point = point.matrixTransform(node.getScreenCTM().inverse());
- return [point.x, point.y];
- }
-
- var rect = node.getBoundingClientRect();
- return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];
-};
-
-var mouse = function(node) {
- var event = sourceEvent();
- if (event.changedTouches) event = event.changedTouches[0];
- return point$5(node, event);
-};
-
-function none$2() {}
-
-var selector = function(selector) {
- return selector == null ? none$2 : function() {
- return this.querySelector(selector);
- };
-};
-
-var selection_select = function(select) {
- if (typeof select !== "function") select = selector(select);
-
- for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
- for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
- if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {
- if ("__data__" in node) subnode.__data__ = node.__data__;
- subgroup[i] = subnode;
- }
- }
- }
-
- return new Selection(subgroups, this._parents);
-};
-
-function empty() {
- return [];
-}
-
-var selectorAll = function(selector) {
- return selector == null ? empty : function() {
- return this.querySelectorAll(selector);
- };
-};
-
-var selection_selectAll = function(select) {
- if (typeof select !== "function") select = selectorAll(select);
-
- for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
- for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
- if (node = group[i]) {
- subgroups.push(select.call(node, node.__data__, i, group));
- parents.push(node);
- }
- }
- }
-
- return new Selection(subgroups, parents);
-};
-
-var selection_filter = function(match) {
- if (typeof match !== "function") match = matcher$1(match);
-
- for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
- for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {
- if ((node = group[i]) && match.call(node, node.__data__, i, group)) {
- subgroup.push(node);
- }
- }
- }
-
- return new Selection(subgroups, this._parents);
-};
-
-var sparse = function(update) {
- return new Array(update.length);
-};
-
-var selection_enter = function() {
- return new Selection(this._enter || this._groups.map(sparse), this._parents);
-};
-
-function EnterNode(parent, datum) {
- this.ownerDocument = parent.ownerDocument;
- this.namespaceURI = parent.namespaceURI;
- this._next = null;
- this._parent = parent;
- this.__data__ = datum;
-}
-
-EnterNode.prototype = {
- constructor: EnterNode,
- appendChild: function(child) { return this._parent.insertBefore(child, this._next); },
- insertBefore: function(child, next) { return this._parent.insertBefore(child, next); },
- querySelector: function(selector) { return this._parent.querySelector(selector); },
- querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); }
-};
-
-var constant$5 = function(x) {
- return function() {
- return x;
- };
-};
-
-var keyPrefix = "$"; // Protect against keys like “__proto__”.
-
-function bindIndex(parent, group, enter, update, exit, data) {
- var i = 0,
- node,
- groupLength = group.length,
- dataLength = data.length;
-
- // Put any non-null nodes that fit into update.
- // Put any null nodes into enter.
- // Put any remaining data into enter.
- for (; i < dataLength; ++i) {
- if (node = group[i]) {
- node.__data__ = data[i];
- update[i] = node;
- } else {
- enter[i] = new EnterNode(parent, data[i]);
- }
- }
-
- // Put any non-null nodes that don’t fit into exit.
- for (; i < groupLength; ++i) {
- if (node = group[i]) {
- exit[i] = node;
- }
- }
-}
-
-function bindKey(parent, group, enter, update, exit, data, key) {
- var i,
- node,
- nodeByKeyValue = {},
- groupLength = group.length,
- dataLength = data.length,
- keyValues = new Array(groupLength),
- keyValue;
-
- // Compute the key for each node.
- // If multiple nodes have the same key, the duplicates are added to exit.
- for (i = 0; i < groupLength; ++i) {
- if (node = group[i]) {
- keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group);
- if (keyValue in nodeByKeyValue) {
- exit[i] = node;
- } else {
- nodeByKeyValue[keyValue] = node;
- }
- }
- }
-
- // Compute the key for each datum.
- // If there a node associated with this key, join and add it to update.
- // If there is not (or the key is a duplicate), add it to enter.
- for (i = 0; i < dataLength; ++i) {
- keyValue = keyPrefix + key.call(parent, data[i], i, data);
- if (node = nodeByKeyValue[keyValue]) {
- update[i] = node;
- node.__data__ = data[i];
- nodeByKeyValue[keyValue] = null;
- } else {
- enter[i] = new EnterNode(parent, data[i]);
- }
- }
-
- // Add any remaining nodes that were not bound to data to exit.
- for (i = 0; i < groupLength; ++i) {
- if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) {
- exit[i] = node;
- }
- }
-}
-
-var selection_data = function(value, key) {
- if (!value) {
- data = new Array(this.size()), j = -1;
- this.each(function(d) { data[++j] = d; });
- return data;
- }
-
- var bind = key ? bindKey : bindIndex,
- parents = this._parents,
- groups = this._groups;
-
- if (typeof value !== "function") value = constant$5(value);
-
- for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) {
- var parent = parents[j],
- group = groups[j],
- groupLength = group.length,
- data = value.call(parent, parent && parent.__data__, j, parents),
- dataLength = data.length,
- enterGroup = enter[j] = new Array(dataLength),
- updateGroup = update[j] = new Array(dataLength),
- exitGroup = exit[j] = new Array(groupLength);
-
- bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);
-
- // Now connect the enter nodes to their following update node, such that
- // appendChild can insert the materialized enter node before this node,
- // rather than at the end of the parent node.
- for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {
- if (previous = enterGroup[i0]) {
- if (i0 >= i1) i1 = i0 + 1;
- while (!(next = updateGroup[i1]) && ++i1 < dataLength);
- previous._next = next || null;
- }
- }
- }
-
- update = new Selection(update, parents);
- update._enter = enter;
- update._exit = exit;
- return update;
-};
-
-var selection_exit = function() {
- return new Selection(this._exit || this._groups.map(sparse), this._parents);
-};
-
-var selection_merge = function(selection) {
-
- for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {
- for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {
- if (node = group0[i] || group1[i]) {
- merge[i] = node;
- }
- }
- }
-
- for (; j < m0; ++j) {
- merges[j] = groups0[j];
- }
-
- return new Selection(merges, this._parents);
-};
-
-var selection_order = function() {
-
- for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) {
- for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
- if (node = group[i]) {
- if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
- next = node;
- }
- }
- }
-
- return this;
-};
-
-var selection_sort = function(compare) {
- if (!compare) compare = ascending$2;
-
- function compareNode(a, b) {
- return a && b ? compare(a.__data__, b.__data__) : !a - !b;
- }
-
- for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {
- for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {
- if (node = group[i]) {
- sortgroup[i] = node;
- }
- }
- sortgroup.sort(compareNode);
- }
-
- return new Selection(sortgroups, this._parents).order();
-};
-
-function ascending$2(a, b) {
- return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-}
-
-var selection_call = function() {
- var callback = arguments[0];
- arguments[0] = this;
- callback.apply(null, arguments);
- return this;
-};
-
-var selection_nodes = function() {
- var nodes = new Array(this.size()), i = -1;
- this.each(function() { nodes[++i] = this; });
- return nodes;
-};
-
-var selection_node = function() {
-
- for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
- for (var group = groups[j], i = 0, n = group.length; i < n; ++i) {
- var node = group[i];
- if (node) return node;
- }
- }
-
- return null;
-};
-
-var selection_size = function() {
- var size = 0;
- this.each(function() { ++size; });
- return size;
-};
-
-var selection_empty = function() {
- return !this.node();
-};
-
-var selection_each = function(callback) {
-
- for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
- for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
- if (node = group[i]) callback.call(node, node.__data__, i, group);
- }
- }
-
- return this;
-};
-
-function attrRemove(name) {
- return function() {
- this.removeAttribute(name);
- };
-}
-
-function attrRemoveNS(fullname) {
- return function() {
- this.removeAttributeNS(fullname.space, fullname.local);
- };
-}
-
-function attrConstant(name, value) {
- return function() {
- this.setAttribute(name, value);
- };
-}
-
-function attrConstantNS(fullname, value) {
- return function() {
- this.setAttributeNS(fullname.space, fullname.local, value);
- };
-}
-
-function attrFunction(name, value) {
- return function() {
- var v = value.apply(this, arguments);
- if (v == null) this.removeAttribute(name);
- else this.setAttribute(name, v);
- };
-}
-
-function attrFunctionNS(fullname, value) {
- return function() {
- var v = value.apply(this, arguments);
- if (v == null) this.removeAttributeNS(fullname.space, fullname.local);
- else this.setAttributeNS(fullname.space, fullname.local, v);
- };
-}
-
-var selection_attr = function(name, value) {
- var fullname = namespace(name);
-
- if (arguments.length < 2) {
- var node = this.node();
- return fullname.local
- ? node.getAttributeNS(fullname.space, fullname.local)
- : node.getAttribute(fullname);
- }
-
- return this.each((value == null
- ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function"
- ? (fullname.local ? attrFunctionNS : attrFunction)
- : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value));
-};
-
-var window = function(node) {
- return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node
- || (node.document && node) // node is a Window
- || node.defaultView; // node is a Document
-};
-
-function styleRemove(name) {
- return function() {
- this.style.removeProperty(name);
- };
-}
-
-function styleConstant(name, value, priority) {
- return function() {
- this.style.setProperty(name, value, priority);
- };
-}
-
-function styleFunction(name, value, priority) {
- return function() {
- var v = value.apply(this, arguments);
- if (v == null) this.style.removeProperty(name);
- else this.style.setProperty(name, v, priority);
- };
-}
-
-var selection_style = function(name, value, priority) {
- var node;
- return arguments.length > 1
- ? this.each((value == null
- ? styleRemove : typeof value === "function"
- ? styleFunction
- : styleConstant)(name, value, priority == null ? "" : priority))
- : window(node = this.node())
- .getComputedStyle(node, null)
- .getPropertyValue(name);
-};
-
-function propertyRemove(name) {
- return function() {
- delete this[name];
- };
-}
-
-function propertyConstant(name, value) {
- return function() {
- this[name] = value;
- };
-}
-
-function propertyFunction(name, value) {
- return function() {
- var v = value.apply(this, arguments);
- if (v == null) delete this[name];
- else this[name] = v;
- };
-}
-
-var selection_property = function(name, value) {
- return arguments.length > 1
- ? this.each((value == null
- ? propertyRemove : typeof value === "function"
- ? propertyFunction
- : propertyConstant)(name, value))
- : this.node()[name];
-};
-
-function classArray(string) {
- return string.trim().split(/^|\s+/);
-}
-
-function classList(node) {
- return node.classList || new ClassList(node);
-}
-
-function ClassList(node) {
- this._node = node;
- this._names = classArray(node.getAttribute("class") || "");
-}
-
-ClassList.prototype = {
- add: function(name) {
- var i = this._names.indexOf(name);
- if (i < 0) {
- this._names.push(name);
- this._node.setAttribute("class", this._names.join(" "));
- }
- },
- remove: function(name) {
- var i = this._names.indexOf(name);
- if (i >= 0) {
- this._names.splice(i, 1);
- this._node.setAttribute("class", this._names.join(" "));
- }
- },
- contains: function(name) {
- return this._names.indexOf(name) >= 0;
- }
-};
-
-function classedAdd(node, names) {
- var list = classList(node), i = -1, n = names.length;
- while (++i < n) list.add(names[i]);
-}
-
-function classedRemove(node, names) {
- var list = classList(node), i = -1, n = names.length;
- while (++i < n) list.remove(names[i]);
-}
-
-function classedTrue(names) {
- return function() {
- classedAdd(this, names);
- };
-}
-
-function classedFalse(names) {
- return function() {
- classedRemove(this, names);
- };
-}
-
-function classedFunction(names, value) {
- return function() {
- (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
- };
-}
-
-var selection_classed = function(name, value) {
- var names = classArray(name + "");
-
- if (arguments.length < 2) {
- var list = classList(this.node()), i = -1, n = names.length;
- while (++i < n) if (!list.contains(names[i])) return false;
- return true;
- }
-
- return this.each((typeof value === "function"
- ? classedFunction : value
- ? classedTrue
- : classedFalse)(names, value));
-};
-
-function textRemove() {
- this.textContent = "";
-}
-
-function textConstant(value) {
- return function() {
- this.textContent = value;
- };
-}
-
-function textFunction(value) {
- return function() {
- var v = value.apply(this, arguments);
- this.textContent = v == null ? "" : v;
- };
-}
-
-var selection_text = function(value) {
- return arguments.length
- ? this.each(value == null
- ? textRemove : (typeof value === "function"
- ? textFunction
- : textConstant)(value))
- : this.node().textContent;
-};
-
-function htmlRemove() {
- this.innerHTML = "";
-}
-
-function htmlConstant(value) {
- return function() {
- this.innerHTML = value;
- };
-}
-
-function htmlFunction(value) {
- return function() {
- var v = value.apply(this, arguments);
- this.innerHTML = v == null ? "" : v;
- };
-}
-
-var selection_html = function(value) {
- return arguments.length
- ? this.each(value == null
- ? htmlRemove : (typeof value === "function"
- ? htmlFunction
- : htmlConstant)(value))
- : this.node().innerHTML;
-};
-
-function raise$1() {
- if (this.nextSibling) this.parentNode.appendChild(this);
-}
-
-var selection_raise = function() {
- return this.each(raise$1);
-};
-
-function lower() {
- if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild);
-}
-
-var selection_lower = function() {
- return this.each(lower);
-};
-
-var selection_append = function(name) {
- var create = typeof name === "function" ? name : creator(name);
- return this.select(function() {
- return this.appendChild(create.apply(this, arguments));
- });
-};
-
-function constantNull() {
- return null;
-}
-
-var selection_insert = function(name, before) {
- var create = typeof name === "function" ? name : creator(name),
- select = before == null ? constantNull : typeof before === "function" ? before : selector(before);
- return this.select(function() {
- return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null);
- });
-};
-
-function remove() {
- var parent = this.parentNode;
- if (parent) parent.removeChild(this);
-}
-
-var selection_remove = function() {
- return this.each(remove);
-};
-
-var selection_datum = function(value) {
- return arguments.length
- ? this.property("__data__", value)
- : this.node().__data__;
-};
-
-function dispatchEvent(node, type, params) {
- var window$$1 = window(node),
- event = window$$1.CustomEvent;
-
- if (event) {
- event = new event(type, params);
- } else {
- event = window$$1.document.createEvent("Event");
- if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail;
- else event.initEvent(type, false, false);
- }
-
- node.dispatchEvent(event);
-}
-
-function dispatchConstant(type, params) {
- return function() {
- return dispatchEvent(this, type, params);
- };
-}
-
-function dispatchFunction(type, params) {
- return function() {
- return dispatchEvent(this, type, params.apply(this, arguments));
- };
-}
-
-var selection_dispatch = function(type, params) {
- return this.each((typeof params === "function"
- ? dispatchFunction
- : dispatchConstant)(type, params));
-};
-
-var root = [null];
-
-function Selection(groups, parents) {
- this._groups = groups;
- this._parents = parents;
-}
-
-function selection() {
- return new Selection([[document.documentElement]], root);
-}
-
-Selection.prototype = selection.prototype = {
- constructor: Selection,
- select: selection_select,
- selectAll: selection_selectAll,
- filter: selection_filter,
- data: selection_data,
- enter: selection_enter,
- exit: selection_exit,
- merge: selection_merge,
- order: selection_order,
- sort: selection_sort,
- call: selection_call,
- nodes: selection_nodes,
- node: selection_node,
- size: selection_size,
- empty: selection_empty,
- each: selection_each,
- attr: selection_attr,
- style: selection_style,
- property: selection_property,
- classed: selection_classed,
- text: selection_text,
- html: selection_html,
- raise: selection_raise,
- lower: selection_lower,
- append: selection_append,
- insert: selection_insert,
- remove: selection_remove,
- datum: selection_datum,
- on: selection_on,
- dispatch: selection_dispatch
-};
-
-var select = function(selector) {
- return typeof selector === "string"
- ? new Selection([[document.querySelector(selector)]], [document.documentElement])
- : new Selection([[selector]], root);
-};
-
-var selectAll = function(selector) {
- return typeof selector === "string"
- ? new Selection([document.querySelectorAll(selector)], [document.documentElement])
- : new Selection([selector == null ? [] : selector], root);
-};
-
-var touch = function(node, touches, identifier) {
- if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches;
-
- for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) {
- if ((touch = touches[i]).identifier === identifier) {
- return point$5(node, touch);
- }
- }
-
- return null;
-};
-
-var touches = function(node, touches) {
- if (touches == null) touches = sourceEvent().touches;
-
- for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) {
- points[i] = point$5(node, touches[i]);
- }
-
- return points;
-};
-
var emptyOn = dispatch("start", "end", "interrupt");
var emptyTween = [];
var CREATED = 0;
var SCHEDULED = 1;
@@ -8101,11 +3030,11 @@
var schedule = node.__transition;
if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late");
return schedule;
}
-function set$3(node, id) {
+function set$1(node, id) {
var schedule = node.__transition;
if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late");
return schedule;
}
@@ -8250,11 +3179,11 @@
};
function tweenRemove(id, name) {
var tween0, tween1;
return function() {
- var schedule = set$3(this, id),
+ var schedule = set$1(this, id),
tween = schedule.tween;
// If this node shared tween with the previous node,
// just assign the updated shared tween and we’re done!
// Otherwise, copy-on-write.
@@ -8275,11 +3204,11 @@
function tweenFunction(id, name, value) {
var tween0, tween1;
if (typeof value !== "function") throw new Error;
return function() {
- var schedule = set$3(this, id),
+ var schedule = set$1(this, id),
tween = schedule.tween;
// If this node shared tween with the previous node,
// just assign the updated shared tween and we’re done!
// Otherwise, copy-on-write.
@@ -8318,22 +3247,22 @@
function tweenValue(transition, name, value) {
var id = transition._id;
transition.each(function() {
- var schedule = set$3(this, id);
+ var schedule = set$1(this, id);
(schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments);
});
return function(node) {
return get$1(node, id).value[name];
};
}
-var interpolate$1 = function(a, b) {
+var interpolate$$1 = function(a, b) {
var c;
- return (typeof b === "number" ? interpolateNumber
+ return (typeof b === "number" ? reinterpolate
: b instanceof color ? interpolateRgb
: (c = color(b)) ? (b = c, interpolateRgb)
: interpolateString)(a, b);
};
@@ -8398,11 +3327,11 @@
: interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
};
}
var transition_attr = function(name, value) {
- var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1;
+ var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$$1;
return this.attrTween(name, typeof value === "function"
? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value))
: value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname)
: (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value));
};
@@ -8460,17 +3389,17 @@
: get$1(this.node(), id).delay;
};
function durationFunction(id, value) {
return function() {
- set$3(this, id).duration = +value.apply(this, arguments);
+ set$1(this, id).duration = +value.apply(this, arguments);
};
}
function durationConstant(id, value) {
return value = +value, function() {
- set$3(this, id).duration = value;
+ set$1(this, id).duration = value;
};
}
var transition_duration = function(value) {
var id = this._id;
@@ -8483,11 +3412,11 @@
};
function easeConstant(id, value) {
if (typeof value !== "function") throw new Error;
return function() {
- set$3(this, id).ease = value;
+ set$1(this, id).ease = value;
};
}
var transition_ease = function(value) {
var id = this._id;
@@ -8527,20 +3456,20 @@
}
return new Transition(merges, this._parents, this._name, this._id);
};
-function start$1(name) {
+function start(name) {
return (name + "").trim().split(/^|\s+/).every(function(t) {
var i = t.indexOf(".");
if (i >= 0) t = t.slice(0, i);
return !t || t === "start";
});
}
function onFunction(id, name, listener) {
- var on0, on1, sit = start$1(name) ? init : set$3;
+ var on0, on1, sit = start(name) ? init : set$1;
return function() {
var schedule = sit(this, id),
on = schedule.on;
// If this node shared a dispatch with the previous node,
@@ -8618,58 +3547,58 @@
var transition_selection = function() {
return new Selection$1(this._groups, this._parents);
};
-function styleRemove$1(name, interpolate$$1) {
+function styleRemove$1(name, interpolate$$2) {
var value00,
value10,
interpolate0;
return function() {
var style = window(this).getComputedStyle(this, null),
value0 = style.getPropertyValue(name),
value1 = (this.style.removeProperty(name), style.getPropertyValue(name));
return value0 === value1 ? null
: value0 === value00 && value1 === value10 ? interpolate0
- : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ : interpolate0 = interpolate$$2(value00 = value0, value10 = value1);
};
}
function styleRemoveEnd(name) {
return function() {
this.style.removeProperty(name);
};
}
-function styleConstant$1(name, interpolate$$1, value1) {
+function styleConstant$1(name, interpolate$$2, value1) {
var value00,
interpolate0;
return function() {
var value0 = window(this).getComputedStyle(this, null).getPropertyValue(name);
return value0 === value1 ? null
: value0 === value00 ? interpolate0
- : interpolate0 = interpolate$$1(value00 = value0, value1);
+ : interpolate0 = interpolate$$2(value00 = value0, value1);
};
}
-function styleFunction$1(name, interpolate$$1, value) {
+function styleFunction$1(name, interpolate$$2, value) {
var value00,
value10,
interpolate0;
return function() {
var style = window(this).getComputedStyle(this, null),
value0 = style.getPropertyValue(name),
value1 = value(this);
if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name));
return value0 === value1 ? null
: value0 === value00 && value1 === value10 ? interpolate0
- : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ : interpolate0 = interpolate$$2(value00 = value0, value10 = value1);
};
}
var transition_style = function(name, value, priority) {
- var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1;
+ var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$$1;
return value == null ? this
.styleTween(name, styleRemove$1(name, i))
.on("end.style." + name, styleRemoveEnd(name))
: this.styleTween(name, typeof value === "function"
? styleFunction$1(name, i, tweenValue(this, "style." + name, value))
@@ -8780,10 +3709,221 @@
delay: transition_delay,
duration: transition_duration,
ease: transition_ease
};
+function linear$1(t) {
+ return +t;
+}
+
+function quadIn(t) {
+ return t * t;
+}
+
+function quadOut(t) {
+ return t * (2 - t);
+}
+
+function quadInOut(t) {
+ return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2;
+}
+
+function cubicIn(t) {
+ return t * t * t;
+}
+
+function cubicOut(t) {
+ return --t * t * t + 1;
+}
+
+function cubicInOut(t) {
+ return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;
+}
+
+var exponent = 3;
+
+var polyIn = (function custom(e) {
+ e = +e;
+
+ function polyIn(t) {
+ return Math.pow(t, e);
+ }
+
+ polyIn.exponent = custom;
+
+ return polyIn;
+})(exponent);
+
+var polyOut = (function custom(e) {
+ e = +e;
+
+ function polyOut(t) {
+ return 1 - Math.pow(1 - t, e);
+ }
+
+ polyOut.exponent = custom;
+
+ return polyOut;
+})(exponent);
+
+var polyInOut = (function custom(e) {
+ e = +e;
+
+ function polyInOut(t) {
+ return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2;
+ }
+
+ polyInOut.exponent = custom;
+
+ return polyInOut;
+})(exponent);
+
+var pi = Math.PI;
+var halfPi = pi / 2;
+
+function sinIn(t) {
+ return 1 - Math.cos(t * halfPi);
+}
+
+function sinOut(t) {
+ return Math.sin(t * halfPi);
+}
+
+function sinInOut(t) {
+ return (1 - Math.cos(pi * t)) / 2;
+}
+
+function expIn(t) {
+ return Math.pow(2, 10 * t - 10);
+}
+
+function expOut(t) {
+ return 1 - Math.pow(2, -10 * t);
+}
+
+function expInOut(t) {
+ return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2;
+}
+
+function circleIn(t) {
+ return 1 - Math.sqrt(1 - t * t);
+}
+
+function circleOut(t) {
+ return Math.sqrt(1 - --t * t);
+}
+
+function circleInOut(t) {
+ return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2;
+}
+
+var b1 = 4 / 11;
+var b2 = 6 / 11;
+var b3 = 8 / 11;
+var b4 = 3 / 4;
+var b5 = 9 / 11;
+var b6 = 10 / 11;
+var b7 = 15 / 16;
+var b8 = 21 / 22;
+var b9 = 63 / 64;
+var b0 = 1 / b1 / b1;
+
+function bounceIn(t) {
+ return 1 - bounceOut(1 - t);
+}
+
+function bounceOut(t) {
+ return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9;
+}
+
+function bounceInOut(t) {
+ return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2;
+}
+
+var overshoot = 1.70158;
+
+var backIn = (function custom(s) {
+ s = +s;
+
+ function backIn(t) {
+ return t * t * ((s + 1) * t - s);
+ }
+
+ backIn.overshoot = custom;
+
+ return backIn;
+})(overshoot);
+
+var backOut = (function custom(s) {
+ s = +s;
+
+ function backOut(t) {
+ return --t * t * ((s + 1) * t + s) + 1;
+ }
+
+ backOut.overshoot = custom;
+
+ return backOut;
+})(overshoot);
+
+var backInOut = (function custom(s) {
+ s = +s;
+
+ function backInOut(t) {
+ return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2;
+ }
+
+ backInOut.overshoot = custom;
+
+ return backInOut;
+})(overshoot);
+
+var tau = 2 * Math.PI;
+var amplitude = 1;
+var period = 0.3;
+
+var elasticIn = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticIn(t) {
+ return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p);
+ }
+
+ elasticIn.amplitude = function(a) { return custom(a, p * tau); };
+ elasticIn.period = function(p) { return custom(a, p); };
+
+ return elasticIn;
+})(amplitude, period);
+
+var elasticOut = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticOut(t) {
+ return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p);
+ }
+
+ elasticOut.amplitude = function(a) { return custom(a, p * tau); };
+ elasticOut.period = function(p) { return custom(a, p); };
+
+ return elasticOut;
+})(amplitude, period);
+
+var elasticInOut = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticInOut(t) {
+ return ((t = t * 2 - 1) < 0
+ ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p)
+ : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2;
+ }
+
+ elasticInOut.amplitude = function(a) { return custom(a, p * tau); };
+ elasticInOut.period = function(p) { return custom(a, p); };
+
+ return elasticInOut;
+})(amplitude, period);
+
var defaultTiming = {
time: null, // Set on use.
delay: 0,
duration: 250,
ease: cubicInOut
@@ -8840,1502 +3980,1740 @@
}
return null;
};
-var slice$4 = Array.prototype.slice;
+var constant$4 = function(x) {
+ return function() {
+ return x;
+ };
+};
-var identity$5 = function(x) {
- return x;
+var BrushEvent = function(target, type, selection) {
+ this.target = target;
+ this.type = type;
+ this.selection = selection;
};
-var top = 1;
-var right = 2;
-var bottom = 3;
-var left = 4;
-var epsilon$2 = 1e-6;
-
-function translateX(scale0, scale1, d) {
- var x = scale0(d);
- return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)";
+function nopropagation$1() {
+ exports.event.stopImmediatePropagation();
}
-function translateY(scale0, scale1, d) {
- var y = scale0(d);
- return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")";
-}
+var noevent$1 = function() {
+ exports.event.preventDefault();
+ exports.event.stopImmediatePropagation();
+};
-function center(scale) {
- var offset = scale.bandwidth() / 2;
- if (scale.round()) offset = Math.round(offset);
- return function(d) {
- return scale(d) + offset;
- };
-}
+var MODE_DRAG = {name: "drag"};
+var MODE_SPACE = {name: "space"};
+var MODE_HANDLE = {name: "handle"};
+var MODE_CENTER = {name: "center"};
-function entering() {
- return !this.__axis;
-}
+var X = {
+ name: "x",
+ handles: ["e", "w"].map(type),
+ input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; },
+ output: function(xy) { return xy && [xy[0][0], xy[1][0]]; }
+};
-function axis(orient, scale) {
- var tickArguments = [],
- tickValues = null,
- tickFormat = null,
- tickSizeInner = 6,
- tickSizeOuter = 6,
- tickPadding = 3;
+var Y = {
+ name: "y",
+ handles: ["n", "s"].map(type),
+ input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; },
+ output: function(xy) { return xy && [xy[0][1], xy[1][1]]; }
+};
- function axis(context) {
- var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues,
- format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat,
- spacing = Math.max(tickSizeInner, 0) + tickPadding,
- transform = orient === top || orient === bottom ? translateX : translateY,
- range = scale.range(),
- range0 = range[0] + 0.5,
- range1 = range[range.length - 1] + 0.5,
- position = (scale.bandwidth ? center : identity$5)(scale.copy()),
- selection = context.selection ? context.selection() : context,
- path = selection.selectAll(".domain").data([null]),
- tick = selection.selectAll(".tick").data(values, scale).order(),
- tickExit = tick.exit(),
- tickEnter = tick.enter().append("g").attr("class", "tick"),
- line = tick.select("line"),
- text = tick.select("text"),
- k = orient === top || orient === left ? -1 : 1,
- x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x");
+var XY = {
+ name: "xy",
+ handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type),
+ input: function(xy) { return xy; },
+ output: function(xy) { return xy; }
+};
- path = path.merge(path.enter().insert("path", ".tick")
- .attr("class", "domain")
- .attr("stroke", "#000"));
+var cursors = {
+ overlay: "crosshair",
+ selection: "move",
+ n: "ns-resize",
+ e: "ew-resize",
+ s: "ns-resize",
+ w: "ew-resize",
+ nw: "nwse-resize",
+ ne: "nesw-resize",
+ se: "nwse-resize",
+ sw: "nesw-resize"
+};
- tick = tick.merge(tickEnter);
+var flipX = {
+ e: "w",
+ w: "e",
+ nw: "ne",
+ ne: "nw",
+ se: "sw",
+ sw: "se"
+};
- line = line.merge(tickEnter.append("line")
- .attr("stroke", "#000")
- .attr(x + "2", k * tickSizeInner)
- .attr(y + "1", 0.5)
- .attr(y + "2", 0.5));
+var flipY = {
+ n: "s",
+ s: "n",
+ nw: "sw",
+ ne: "se",
+ se: "ne",
+ sw: "nw"
+};
- text = text.merge(tickEnter.append("text")
- .attr("fill", "#000")
- .attr(x, k * spacing)
- .attr(y, 0.5)
- .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em"));
+var signsX = {
+ overlay: +1,
+ selection: +1,
+ n: null,
+ e: +1,
+ s: null,
+ w: -1,
+ nw: -1,
+ ne: +1,
+ se: +1,
+ sw: -1
+};
- if (context !== selection) {
- path = path.transition(context);
- tick = tick.transition(context);
- line = line.transition(context);
- text = text.transition(context);
+var signsY = {
+ overlay: +1,
+ selection: +1,
+ n: -1,
+ e: null,
+ s: +1,
+ w: null,
+ nw: -1,
+ ne: -1,
+ se: +1,
+ sw: +1
+};
- tickExit = tickExit.transition(context)
- .attr("opacity", epsilon$2)
- .attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); });
-
- tickEnter
- .attr("opacity", epsilon$2)
- .attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); });
- }
-
- tickExit.remove();
-
- path
- .attr("d", orient === left || orient == right
- ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter
- : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter);
-
- tick
- .attr("opacity", 1)
- .attr("transform", function(d) { return transform(position, position, d); });
-
- line
- .attr(x + "2", k * tickSizeInner);
-
- text
- .attr(x, k * spacing)
- .text(format);
-
- selection.filter(entering)
- .attr("fill", "none")
- .attr("font-size", 10)
- .attr("font-family", "sans-serif")
- .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle");
-
- selection
- .each(function() { this.__axis = position; });
- }
-
- axis.scale = function(_) {
- return arguments.length ? (scale = _, axis) : scale;
- };
-
- axis.ticks = function() {
- return tickArguments = slice$4.call(arguments), axis;
- };
-
- axis.tickArguments = function(_) {
- return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice();
- };
-
- axis.tickValues = function(_) {
- return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice();
- };
-
- axis.tickFormat = function(_) {
- return arguments.length ? (tickFormat = _, axis) : tickFormat;
- };
-
- axis.tickSize = function(_) {
- return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner;
- };
-
- axis.tickSizeInner = function(_) {
- return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner;
- };
-
- axis.tickSizeOuter = function(_) {
- return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter;
- };
-
- axis.tickPadding = function(_) {
- return arguments.length ? (tickPadding = +_, axis) : tickPadding;
- };
-
- return axis;
+function type(t) {
+ return {type: t};
}
-function axisTop(scale) {
- return axis(top, scale);
+// Ignore right-click, since that should open the context menu.
+function defaultFilter() {
+ return !exports.event.button;
}
-function axisRight(scale) {
- return axis(right, scale);
+function defaultExtent() {
+ var svg = this.ownerSVGElement || this;
+ return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]];
}
-function axisBottom(scale) {
- return axis(bottom, scale);
+// Like d3.local, but with the name “__brush” rather than auto-generated.
+function local$$1(node) {
+ while (!node.__brush) if (!(node = node.parentNode)) return;
+ return node.__brush;
}
-function axisLeft(scale) {
- return axis(left, scale);
+function empty(extent) {
+ return extent[0][0] === extent[1][0]
+ || extent[0][1] === extent[1][1];
}
-function defaultSeparation(a, b) {
- return a.parent === b.parent ? 1 : 2;
+function brushSelection(node) {
+ var state = node.__brush;
+ return state ? state.dim.output(state.selection) : null;
}
-function meanX(children) {
- return children.reduce(meanXReduce, 0) / children.length;
+function brushX() {
+ return brush$1(X);
}
-function meanXReduce(x, c) {
- return x + c.x;
+function brushY() {
+ return brush$1(Y);
}
-function maxY(children) {
- return 1 + children.reduce(maxYReduce, 0);
-}
+var brush = function() {
+ return brush$1(XY);
+};
-function maxYReduce(y, c) {
- return Math.max(y, c.y);
-}
+function brush$1(dim) {
+ var extent = defaultExtent,
+ filter = defaultFilter,
+ listeners = dispatch(brush, "start", "brush", "end"),
+ handleSize = 6,
+ touchending;
-function leafLeft(node) {
- var children;
- while (children = node.children) node = children[0];
- return node;
-}
+ function brush(group) {
+ var overlay = group
+ .property("__brush", initialize)
+ .selectAll(".overlay")
+ .data([type("overlay")]);
-function leafRight(node) {
- var children;
- while (children = node.children) node = children[children.length - 1];
- return node;
-}
+ overlay.enter().append("rect")
+ .attr("class", "overlay")
+ .attr("pointer-events", "all")
+ .attr("cursor", cursors.overlay)
+ .merge(overlay)
+ .each(function() {
+ var extent = local$$1(this).extent;
+ select(this)
+ .attr("x", extent[0][0])
+ .attr("y", extent[0][1])
+ .attr("width", extent[1][0] - extent[0][0])
+ .attr("height", extent[1][1] - extent[0][1]);
+ });
-var cluster = function() {
- var separation = defaultSeparation,
- dx = 1,
- dy = 1,
- nodeSize = false;
+ group.selectAll(".selection")
+ .data([type("selection")])
+ .enter().append("rect")
+ .attr("class", "selection")
+ .attr("cursor", cursors.selection)
+ .attr("fill", "#777")
+ .attr("fill-opacity", 0.3)
+ .attr("stroke", "#fff")
+ .attr("shape-rendering", "crispEdges");
- function cluster(root) {
- var previousNode,
- x = 0;
+ var handle = group.selectAll(".handle")
+ .data(dim.handles, function(d) { return d.type; });
- // First walk, computing the initial x & y values.
- root.eachAfter(function(node) {
- var children = node.children;
- if (children) {
- node.x = meanX(children);
- node.y = maxY(children);
- } else {
- node.x = previousNode ? x += separation(node, previousNode) : 0;
- node.y = 0;
- previousNode = node;
- }
- });
+ handle.exit().remove();
- var left = leafLeft(root),
- right = leafRight(root),
- x0 = left.x - separation(left, right) / 2,
- x1 = right.x + separation(right, left) / 2;
+ handle.enter().append("rect")
+ .attr("class", function(d) { return "handle handle--" + d.type; })
+ .attr("cursor", function(d) { return cursors[d.type]; });
- // Second walk, normalizing x & y to the desired size.
- return root.eachAfter(nodeSize ? function(node) {
- node.x = (node.x - root.x) * dx;
- node.y = (root.y - node.y) * dy;
- } : function(node) {
- node.x = (node.x - x0) / (x1 - x0) * dx;
- node.y = (1 - (root.y ? node.y / root.y : 1)) * dy;
- });
+ group
+ .each(redraw)
+ .attr("fill", "none")
+ .attr("pointer-events", "all")
+ .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
+ .on("mousedown.brush touchstart.brush", started);
}
- cluster.separation = function(x) {
- return arguments.length ? (separation = x, cluster) : separation;
- };
+ brush.move = function(group, selection$$1) {
+ if (group.selection) {
+ group
+ .on("start.brush", function() { emitter(this, arguments).beforestart().start(); })
+ .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); })
+ .tween("brush", function() {
+ var that = this,
+ state = that.__brush,
+ emit = emitter(that, arguments),
+ selection0 = state.selection,
+ selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent),
+ i = interpolateValue(selection0, selection1);
- cluster.size = function(x) {
- return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]);
- };
+ function tween(t) {
+ state.selection = t === 1 && empty(selection1) ? null : i(t);
+ redraw.call(that);
+ emit.brush();
+ }
- cluster.nodeSize = function(x) {
- return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null);
+ return selection0 && selection1 ? tween : tween(1);
+ });
+ } else {
+ group
+ .each(function() {
+ var that = this,
+ args = arguments,
+ state = that.__brush,
+ selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent),
+ emit = emitter(that, args).beforestart();
+
+ interrupt(that);
+ state.selection = selection1 == null || empty(selection1) ? null : selection1;
+ redraw.call(that);
+ emit.start().brush().end();
+ });
+ }
};
- return cluster;
-};
+ function redraw() {
+ var group = select(this),
+ selection$$1 = local$$1(this).selection;
-var node_each = function(callback) {
- var node = this, current, next = [node], children, i, n;
- do {
- current = next.reverse(), next = [];
- while (node = current.pop()) {
- callback(node), children = node.children;
- if (children) for (i = 0, n = children.length; i < n; ++i) {
- next.push(children[i]);
- }
+ if (selection$$1) {
+ group.selectAll(".selection")
+ .style("display", null)
+ .attr("x", selection$$1[0][0])
+ .attr("y", selection$$1[0][1])
+ .attr("width", selection$$1[1][0] - selection$$1[0][0])
+ .attr("height", selection$$1[1][1] - selection$$1[0][1]);
+
+ group.selectAll(".handle")
+ .style("display", null)
+ .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; })
+ .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; })
+ .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; })
+ .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; });
}
- } while (next.length);
- return this;
-};
-var node_eachBefore = function(callback) {
- var node = this, nodes = [node], children, i;
- while (node = nodes.pop()) {
- callback(node), children = node.children;
- if (children) for (i = children.length - 1; i >= 0; --i) {
- nodes.push(children[i]);
+ else {
+ group.selectAll(".selection,.handle")
+ .style("display", "none")
+ .attr("x", null)
+ .attr("y", null)
+ .attr("width", null)
+ .attr("height", null);
}
}
- return this;
-};
-var node_eachAfter = function(callback) {
- var node = this, nodes = [node], next = [], children, i, n;
- while (node = nodes.pop()) {
- next.push(node), children = node.children;
- if (children) for (i = 0, n = children.length; i < n; ++i) {
- nodes.push(children[i]);
- }
+ function emitter(that, args) {
+ return that.__brush.emitter || new Emitter(that, args);
}
- while (node = next.pop()) {
- callback(node);
+
+ function Emitter(that, args) {
+ this.that = that;
+ this.args = args;
+ this.state = that.__brush;
+ this.active = 0;
}
- return this;
-};
-var node_sum = function(value) {
- return this.eachAfter(function(node) {
- var sum = +value(node.data) || 0,
- children = node.children,
- i = children && children.length;
- while (--i >= 0) sum += children[i].value;
- node.value = sum;
- });
-};
+ Emitter.prototype = {
+ beforestart: function() {
+ if (++this.active === 1) this.state.emitter = this, this.starting = true;
+ return this;
+ },
+ start: function() {
+ if (this.starting) this.starting = false, this.emit("start");
+ return this;
+ },
+ brush: function() {
+ this.emit("brush");
+ return this;
+ },
+ end: function() {
+ if (--this.active === 0) delete this.state.emitter, this.emit("end");
+ return this;
+ },
+ emit: function(type) {
+ customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]);
+ }
+ };
-var node_sort = function(compare) {
- return this.eachBefore(function(node) {
- if (node.children) {
- node.children.sort(compare);
+ function started() {
+ if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); }
+ else if (touchending) return;
+ if (!filter.apply(this, arguments)) return;
+
+ var that = this,
+ type = exports.event.target.__data__.type,
+ mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE),
+ signX = dim === Y ? null : signsX[type],
+ signY = dim === X ? null : signsY[type],
+ state = local$$1(that),
+ extent = state.extent,
+ selection$$1 = state.selection,
+ W = extent[0][0], w0, w1,
+ N = extent[0][1], n0, n1,
+ E = extent[1][0], e0, e1,
+ S = extent[1][1], s0, s1,
+ dx,
+ dy,
+ moving,
+ shifting = signX && signY && exports.event.shiftKey,
+ lockX,
+ lockY,
+ point0 = mouse(that),
+ point = point0,
+ emit = emitter(that, arguments).beforestart();
+
+ if (type === "overlay") {
+ state.selection = selection$$1 = [
+ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],
+ [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]
+ ];
+ } else {
+ w0 = selection$$1[0][0];
+ n0 = selection$$1[0][1];
+ e0 = selection$$1[1][0];
+ s0 = selection$$1[1][1];
}
- });
-};
-var node_path = function(end) {
- var start = this,
- ancestor = leastCommonAncestor(start, end),
- nodes = [start];
- while (start !== ancestor) {
- start = start.parent;
- nodes.push(start);
- }
- var k = nodes.length;
- while (end !== ancestor) {
- nodes.splice(k, 0, end);
- end = end.parent;
- }
- return nodes;
-};
+ w1 = w0;
+ n1 = n0;
+ e1 = e0;
+ s1 = s0;
-function leastCommonAncestor(a, b) {
- if (a === b) return a;
- var aNodes = a.ancestors(),
- bNodes = b.ancestors(),
- c = null;
- a = aNodes.pop();
- b = bNodes.pop();
- while (a === b) {
- c = a;
- a = aNodes.pop();
- b = bNodes.pop();
- }
- return c;
-}
+ var group = select(that)
+ .attr("pointer-events", "none");
-var node_ancestors = function() {
- var node = this, nodes = [node];
- while (node = node.parent) {
- nodes.push(node);
- }
- return nodes;
-};
+ var overlay = group.selectAll(".overlay")
+ .attr("cursor", cursors[type]);
-var node_descendants = function() {
- var nodes = [];
- this.each(function(node) {
- nodes.push(node);
- });
- return nodes;
-};
+ if (exports.event.touches) {
+ group
+ .on("touchmove.brush", moved, true)
+ .on("touchend.brush touchcancel.brush", ended, true);
+ } else {
+ var view = select(exports.event.view)
+ .on("keydown.brush", keydowned, true)
+ .on("keyup.brush", keyupped, true)
+ .on("mousemove.brush", moved, true)
+ .on("mouseup.brush", ended, true);
-var node_leaves = function() {
- var leaves = [];
- this.eachBefore(function(node) {
- if (!node.children) {
- leaves.push(node);
+ dragDisable(exports.event.view);
}
- });
- return leaves;
-};
-var node_links = function() {
- var root = this, links = [];
- root.each(function(node) {
- if (node !== root) { // Don’t include the root’s parent, if any.
- links.push({source: node.parent, target: node});
+ nopropagation$1();
+ interrupt(that);
+ redraw.call(that);
+ emit.start();
+
+ function moved() {
+ var point1 = mouse(that);
+ if (shifting && !lockX && !lockY) {
+ if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true;
+ else lockX = true;
+ }
+ point = point1;
+ moving = true;
+ noevent$1();
+ move();
}
- });
- return links;
-};
-function hierarchy(data, children) {
- var root = new Node(data),
- valued = +data.value && (root.value = data.value),
- node,
- nodes = [root],
- child,
- childs,
- i,
- n;
+ function move() {
+ var t;
- if (children == null) children = defaultChildren;
+ dx = point[0] - point0[0];
+ dy = point[1] - point0[1];
- while (node = nodes.pop()) {
- if (valued) node.value = +node.data.value;
- if ((childs = children(node.data)) && (n = childs.length)) {
- node.children = new Array(n);
- for (i = n - 1; i >= 0; --i) {
- nodes.push(child = node.children[i] = new Node(childs[i]));
- child.parent = node;
- child.depth = node.depth + 1;
+ switch (mode) {
+ case MODE_SPACE:
+ case MODE_DRAG: {
+ if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx;
+ if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy;
+ break;
+ }
+ case MODE_HANDLE: {
+ if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0;
+ else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx;
+ if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0;
+ else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy;
+ break;
+ }
+ case MODE_CENTER: {
+ if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX));
+ if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY));
+ break;
+ }
}
- }
- }
- return root.eachBefore(computeHeight);
-}
+ if (e1 < w1) {
+ signX *= -1;
+ t = w0, w0 = e0, e0 = t;
+ t = w1, w1 = e1, e1 = t;
+ if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]);
+ }
-function node_copy() {
- return hierarchy(this).eachBefore(copyData);
-}
+ if (s1 < n1) {
+ signY *= -1;
+ t = n0, n0 = s0, s0 = t;
+ t = n1, n1 = s1, s1 = t;
+ if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]);
+ }
-function defaultChildren(d) {
- return d.children;
-}
+ if (state.selection) selection$$1 = state.selection; // May be set by brush.move!
+ if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0];
+ if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1];
-function copyData(node) {
- node.data = node.data.data;
-}
+ if (selection$$1[0][0] !== w1
+ || selection$$1[0][1] !== n1
+ || selection$$1[1][0] !== e1
+ || selection$$1[1][1] !== s1) {
+ state.selection = [[w1, n1], [e1, s1]];
+ redraw.call(that);
+ emit.brush();
+ }
+ }
-function computeHeight(node) {
- var height = 0;
- do node.height = height;
- while ((node = node.parent) && (node.height < ++height));
-}
+ function ended() {
+ nopropagation$1();
+ if (exports.event.touches) {
+ if (exports.event.touches.length) return;
+ if (touchending) clearTimeout(touchending);
+ touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
+ group.on("touchmove.brush touchend.brush touchcancel.brush", null);
+ } else {
+ yesdrag(exports.event.view, moving);
+ view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
+ }
+ group.attr("pointer-events", "all");
+ overlay.attr("cursor", cursors.overlay);
+ if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)!
+ if (empty(selection$$1)) state.selection = null, redraw.call(that);
+ emit.end();
+ }
-function Node(data) {
- this.data = data;
- this.depth =
- this.height = 0;
- this.parent = null;
-}
+ function keydowned() {
+ switch (exports.event.keyCode) {
+ case 16: { // SHIFT
+ shifting = signX && signY;
+ break;
+ }
+ case 18: { // ALT
+ if (mode === MODE_HANDLE) {
+ if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
+ if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
+ mode = MODE_CENTER;
+ move();
+ }
+ break;
+ }
+ case 32: { // SPACE; takes priority over ALT
+ if (mode === MODE_HANDLE || mode === MODE_CENTER) {
+ if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx;
+ if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy;
+ mode = MODE_SPACE;
+ overlay.attr("cursor", cursors.selection);
+ move();
+ }
+ break;
+ }
+ default: return;
+ }
+ noevent$1();
+ }
-Node.prototype = hierarchy.prototype = {
- constructor: Node,
- each: node_each,
- eachAfter: node_eachAfter,
- eachBefore: node_eachBefore,
- sum: node_sum,
- sort: node_sort,
- path: node_path,
- ancestors: node_ancestors,
- descendants: node_descendants,
- leaves: node_leaves,
- links: node_links,
- copy: node_copy
-};
+ function keyupped() {
+ switch (exports.event.keyCode) {
+ case 16: { // SHIFT
+ if (shifting) {
+ lockX = lockY = shifting = false;
+ move();
+ }
+ break;
+ }
+ case 18: { // ALT
+ if (mode === MODE_CENTER) {
+ if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
+ if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
+ mode = MODE_HANDLE;
+ move();
+ }
+ break;
+ }
+ case 32: { // SPACE
+ if (mode === MODE_SPACE) {
+ if (exports.event.altKey) {
+ if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
+ if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
+ mode = MODE_CENTER;
+ } else {
+ if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
+ if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
+ mode = MODE_HANDLE;
+ }
+ overlay.attr("cursor", cursors[type]);
+ move();
+ }
+ break;
+ }
+ default: return;
+ }
+ noevent$1();
+ }
+ }
-function Node$2(value) {
- this._ = value;
- this.next = null;
-}
+ function initialize() {
+ var state = this.__brush || {selection: null};
+ state.extent = extent.apply(this, arguments);
+ state.dim = dim;
+ return state;
+ }
-var shuffle$1 = function(array) {
- var i,
- n = (array = array.slice()).length,
- head = null,
- node = head;
+ brush.extent = function(_) {
+ return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent;
+ };
- while (n) {
- var next = new Node$2(array[n - 1]);
- if (node) node = node.next = next;
- else node = head = next;
- array[i] = array[--n];
- }
+ brush.filter = function(_) {
+ return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter;
+ };
- return {
- head: head,
- tail: node
+ brush.handleSize = function(_) {
+ return arguments.length ? (handleSize = +_, brush) : handleSize;
};
-};
-var enclose = function(circles) {
- return encloseN(shuffle$1(circles), []);
-};
+ brush.on = function() {
+ var value = listeners.on.apply(listeners, arguments);
+ return value === listeners ? brush : value;
+ };
-function encloses(a, b) {
- var dx = b.x - a.x,
- dy = b.y - a.y,
- dr = a.r - b.r;
- return dr * dr + 1e-6 > dx * dx + dy * dy;
+ return brush;
}
-// Returns the smallest circle that contains circles L and intersects circles B.
-function encloseN(L, B) {
- var circle,
- l0 = null,
- l1 = L.head,
- l2,
- p1;
+var cos = Math.cos;
+var sin = Math.sin;
+var pi$1 = Math.PI;
+var halfPi$1 = pi$1 / 2;
+var tau$1 = pi$1 * 2;
+var max$1 = Math.max;
- switch (B.length) {
- case 1: circle = enclose1(B[0]); break;
- case 2: circle = enclose2(B[0], B[1]); break;
- case 3: circle = enclose3(B[0], B[1], B[2]); break;
- }
+function compareValue(compare) {
+ return function(a, b) {
+ return compare(
+ a.source.value + a.target.value,
+ b.source.value + b.target.value
+ );
+ };
+}
- while (l1) {
- p1 = l1._, l2 = l1.next;
- if (!circle || !encloses(circle, p1)) {
+var chord = function() {
+ var padAngle = 0,
+ sortGroups = null,
+ sortSubgroups = null,
+ sortChords = null;
- // Temporarily truncate L before l1.
- if (l0) L.tail = l0, l0.next = null;
- else L.head = L.tail = null;
+ function chord(matrix) {
+ var n = matrix.length,
+ groupSums = [],
+ groupIndex = sequence(n),
+ subgroupIndex = [],
+ chords = [],
+ groups = chords.groups = new Array(n),
+ subgroups = new Array(n * n),
+ k,
+ x,
+ x0,
+ dx,
+ i,
+ j;
- B.push(p1);
- circle = encloseN(L, B); // Note: reorders L!
- B.pop();
+ // Compute the sum.
+ k = 0, i = -1; while (++i < n) {
+ x = 0, j = -1; while (++j < n) {
+ x += matrix[i][j];
+ }
+ groupSums.push(x);
+ subgroupIndex.push(sequence(n));
+ k += x;
+ }
- // Move l1 to the front of L and reconnect the truncated list L.
- if (L.head) l1.next = L.head, L.head = l1;
- else l1.next = null, L.head = L.tail = l1;
- l0 = L.tail, l0.next = l2;
+ // Sort groups…
+ if (sortGroups) groupIndex.sort(function(a, b) {
+ return sortGroups(groupSums[a], groupSums[b]);
+ });
- } else {
- l0 = l1;
+ // Sort subgroups…
+ if (sortSubgroups) subgroupIndex.forEach(function(d, i) {
+ d.sort(function(a, b) {
+ return sortSubgroups(matrix[i][a], matrix[i][b]);
+ });
+ });
+
+ // Convert the sum to scaling factor for [0, 2pi].
+ // TODO Allow start and end angle to be specified?
+ // TODO Allow padding to be specified as percentage?
+ k = max$1(0, tau$1 - padAngle * n) / k;
+ dx = k ? padAngle : tau$1 / n;
+
+ // Compute the start and end angle for each group and subgroup.
+ // Note: Opera has a bug reordering object literal properties!
+ x = 0, i = -1; while (++i < n) {
+ x0 = x, j = -1; while (++j < n) {
+ var di = groupIndex[i],
+ dj = subgroupIndex[di][j],
+ v = matrix[di][dj],
+ a0 = x,
+ a1 = x += v * k;
+ subgroups[dj * n + di] = {
+ index: di,
+ subindex: dj,
+ startAngle: a0,
+ endAngle: a1,
+ value: v
+ };
+ }
+ groups[di] = {
+ index: di,
+ startAngle: x0,
+ endAngle: x,
+ value: groupSums[di]
+ };
+ x += dx;
}
- l1 = l2;
+
+ // Generate chords for each (non-empty) subgroup-subgroup link.
+ i = -1; while (++i < n) {
+ j = i - 1; while (++j < n) {
+ var source = subgroups[j * n + i],
+ target = subgroups[i * n + j];
+ if (source.value || target.value) {
+ chords.push(source.value < target.value
+ ? {source: target, target: source}
+ : {source: source, target: target});
+ }
+ }
+ }
+
+ return sortChords ? chords.sort(sortChords) : chords;
}
- L.tail = l0;
- return circle;
-}
+ chord.padAngle = function(_) {
+ return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle;
+ };
-function enclose1(a) {
- return {
- x: a.x,
- y: a.y,
- r: a.r
+ chord.sortGroups = function(_) {
+ return arguments.length ? (sortGroups = _, chord) : sortGroups;
};
-}
-function enclose2(a, b) {
- var x1 = a.x, y1 = a.y, r1 = a.r,
- x2 = b.x, y2 = b.y, r2 = b.r,
- x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1,
- l = Math.sqrt(x21 * x21 + y21 * y21);
- return {
- x: (x1 + x2 + x21 / l * r21) / 2,
- y: (y1 + y2 + y21 / l * r21) / 2,
- r: (l + r1 + r2) / 2
+ chord.sortSubgroups = function(_) {
+ return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups;
};
-}
-function enclose3(a, b, c) {
- var x1 = a.x, y1 = a.y, r1 = a.r,
- x2 = b.x, y2 = b.y, r2 = b.r,
- x3 = c.x, y3 = c.y, r3 = c.r,
- a2 = 2 * (x1 - x2),
- b2 = 2 * (y1 - y2),
- c2 = 2 * (r2 - r1),
- d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2,
- a3 = 2 * (x1 - x3),
- b3 = 2 * (y1 - y3),
- c3 = 2 * (r3 - r1),
- d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3,
- ab = a3 * b2 - a2 * b3,
- xa = (b2 * d3 - b3 * d2) / ab - x1,
- xb = (b3 * c2 - b2 * c3) / ab,
- ya = (a3 * d2 - a2 * d3) / ab - y1,
- yb = (a2 * c3 - a3 * c2) / ab,
- A = xb * xb + yb * yb - 1,
- B = 2 * (xa * xb + ya * yb + r1),
- C = xa * xa + ya * ya - r1 * r1,
- r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A);
- return {
- x: xa + xb * r + x1,
- y: ya + yb * r + y1,
- r: r
+ chord.sortChords = function(_) {
+ return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._;
};
-}
-function place(a, b, c) {
- var ax = a.x,
- ay = a.y,
- da = b.r + c.r,
- db = a.r + c.r,
- dx = b.x - ax,
- dy = b.y - ay,
- dc = dx * dx + dy * dy;
- if (dc) {
- var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc),
- y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
- c.x = ax + x * dx + y * dy;
- c.y = ay + x * dy - y * dx;
- } else {
- c.x = ax + db;
- c.y = ay;
- }
-}
+ return chord;
+};
-function intersects(a, b) {
- var dx = b.x - a.x,
- dy = b.y - a.y,
- dr = a.r + b.r;
- return dr * dr > dx * dx + dy * dy;
-}
+var slice$2 = Array.prototype.slice;
-function distance2(circle, x, y) {
- var dx = circle.x - x,
- dy = circle.y - y;
- return dx * dx + dy * dy;
+var constant$5 = function(x) {
+ return function() {
+ return x;
+ };
+};
+
+var pi$2 = Math.PI;
+var tau$2 = 2 * pi$2;
+var epsilon$1 = 1e-6;
+var tauEpsilon = tau$2 - epsilon$1;
+
+function Path() {
+ this._x0 = this._y0 = // start of current subpath
+ this._x1 = this._y1 = null; // end of current subpath
+ this._ = "";
}
-function Node$1(circle) {
- this._ = circle;
- this.next = null;
- this.previous = null;
+function path() {
+ return new Path;
}
-function packEnclose(circles) {
- if (!(n = circles.length)) return 0;
+Path.prototype = path.prototype = {
+ constructor: Path,
+ moveTo: function(x, y) {
+ this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y);
+ },
+ closePath: function() {
+ if (this._x1 !== null) {
+ this._x1 = this._x0, this._y1 = this._y0;
+ this._ += "Z";
+ }
+ },
+ lineTo: function(x, y) {
+ this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ quadraticCurveTo: function(x1, y1, x, y) {
+ this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ bezierCurveTo: function(x1, y1, x2, y2, x, y) {
+ this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ arcTo: function(x1, y1, x2, y2, r) {
+ x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;
+ var x0 = this._x1,
+ y0 = this._y1,
+ x21 = x2 - x1,
+ y21 = y2 - y1,
+ x01 = x0 - x1,
+ y01 = y0 - y1,
+ l01_2 = x01 * x01 + y01 * y01;
- var a, b, c, n;
+ // Is the radius negative? Error.
+ if (r < 0) throw new Error("negative radius: " + r);
- // Place the first circle.
- a = circles[0], a.x = 0, a.y = 0;
- if (!(n > 1)) return a.r;
+ // Is this path empty? Move to (x1,y1).
+ if (this._x1 === null) {
+ this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1);
+ }
- // Place the second circle.
- b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0;
- if (!(n > 2)) return a.r + b.r;
+ // Or, is (x1,y1) coincident with (x0,y0)? Do nothing.
+ else if (!(l01_2 > epsilon$1)) {}
- // Place the third circle.
- place(b, a, c = circles[2]);
+ // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?
+ // Equivalently, is (x1,y1) coincident with (x2,y2)?
+ // Or, is the radius zero? Line to (x1,y1).
+ else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) {
+ this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1);
+ }
- // Initialize the weighted centroid.
- var aa = a.r * a.r,
- ba = b.r * b.r,
- ca = c.r * c.r,
- oa = aa + ba + ca,
- ox = aa * a.x + ba * b.x + ca * c.x,
- oy = aa * a.y + ba * b.y + ca * c.y,
- cx, cy, i, j, k, sj, sk;
+ // Otherwise, draw an arc!
+ else {
+ var x20 = x2 - x0,
+ y20 = y2 - y0,
+ l21_2 = x21 * x21 + y21 * y21,
+ l20_2 = x20 * x20 + y20 * y20,
+ l21 = Math.sqrt(l21_2),
+ l01 = Math.sqrt(l01_2),
+ l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),
+ t01 = l / l01,
+ t21 = l / l21;
- // Initialize the front-chain using the first three circles a, b and c.
- a = new Node$1(a), b = new Node$1(b), c = new Node$1(c);
- a.next = c.previous = b;
- b.next = a.previous = c;
- c.next = b.previous = a;
+ // If the start tangent is not coincident with (x0,y0), line to.
+ if (Math.abs(t01 - 1) > epsilon$1) {
+ this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01);
+ }
- // Attempt to place each remaining circle…
- pack: for (i = 3; i < n; ++i) {
- place(a._, b._, c = circles[i]), c = new Node$1(c);
+ this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21);
+ }
+ },
+ arc: function(x, y, r, a0, a1, ccw) {
+ x = +x, y = +y, r = +r;
+ var dx = r * Math.cos(a0),
+ dy = r * Math.sin(a0),
+ x0 = x + dx,
+ y0 = y + dy,
+ cw = 1 ^ ccw,
+ da = ccw ? a0 - a1 : a1 - a0;
- // If there are only three elements in the front-chain…
- if ((k = a.previous) === (j = b.next)) {
- // If the new circle intersects the third circle,
- // rotate the front chain to try the next position.
- if (intersects(j._, c._)) {
- a = b, b = j, --i;
- continue pack;
- }
+ // Is the radius negative? Error.
+ if (r < 0) throw new Error("negative radius: " + r);
+
+ // Is this path empty? Move to (x0,y0).
+ if (this._x1 === null) {
+ this._ += "M" + x0 + "," + y0;
}
- // Find the closest intersecting circle on the front-chain, if any.
- else {
- sj = j._.r, sk = k._.r;
- do {
- if (sj <= sk) {
- if (intersects(j._, c._)) {
- b = j, a.next = b, b.previous = a, --i;
- continue pack;
- }
- j = j.next, sj += j._.r;
- } else {
- if (intersects(k._, c._)) {
- a = k, a.next = b, b.previous = a, --i;
- continue pack;
- }
- k = k.previous, sk += k._.r;
- }
- } while (j !== k.next);
+ // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).
+ else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) {
+ this._ += "L" + x0 + "," + y0;
}
- // Success! Insert the new circle c between a and b.
- c.previous = a, c.next = b, a.next = b.previous = b = c;
+ // Is this arc empty? We’re done.
+ if (!r) return;
- // Update the weighted centroid.
- oa += ca = c._.r * c._.r;
- ox += ca * c._.x;
- oy += ca * c._.y;
+ // Is this a complete circle? Draw two arcs to complete the circle.
+ if (da > tauEpsilon) {
+ this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0);
+ }
- // Compute the new closest circle a to centroid.
- aa = distance2(a._, cx = ox / oa, cy = oy / oa);
- while ((c = c.next) !== b) {
- if ((ca = distance2(c._, cx, cy)) < aa) {
- a = c, aa = ca;
- }
+ // Otherwise, draw an arc!
+ else {
+ if (da < 0) da = da % tau$2 + tau$2;
+ this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1));
}
- b = a.next;
+ },
+ rect: function(x, y, w, h) {
+ this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z";
+ },
+ toString: function() {
+ return this._;
}
+};
- // Compute the enclosing circle of the front chain.
- a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a);
+function defaultSource(d) {
+ return d.source;
+}
- // Translate the circles to put the enclosing circle around the origin.
- for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y;
-
- return c.r;
+function defaultTarget(d) {
+ return d.target;
}
-var siblings = function(circles) {
- packEnclose(circles);
- return circles;
-};
-
-function optional(f) {
- return f == null ? null : required(f);
+function defaultRadius(d) {
+ return d.radius;
}
-function required(f) {
- if (typeof f !== "function") throw new Error;
- return f;
+function defaultStartAngle(d) {
+ return d.startAngle;
}
-function constantZero() {
- return 0;
+function defaultEndAngle(d) {
+ return d.endAngle;
}
-var constant$6 = function(x) {
- return function() {
- return x;
- };
-};
+var ribbon = function() {
+ var source = defaultSource,
+ target = defaultTarget,
+ radius = defaultRadius,
+ startAngle = defaultStartAngle,
+ endAngle = defaultEndAngle,
+ context = null;
-function defaultRadius(d) {
- return Math.sqrt(d.value);
-}
+ function ribbon() {
+ var buffer,
+ argv = slice$2.call(arguments),
+ s = source.apply(this, argv),
+ t = target.apply(this, argv),
+ sr = +radius.apply(this, (argv[0] = s, argv)),
+ sa0 = startAngle.apply(this, argv) - halfPi$1,
+ sa1 = endAngle.apply(this, argv) - halfPi$1,
+ sx0 = sr * cos(sa0),
+ sy0 = sr * sin(sa0),
+ tr = +radius.apply(this, (argv[0] = t, argv)),
+ ta0 = startAngle.apply(this, argv) - halfPi$1,
+ ta1 = endAngle.apply(this, argv) - halfPi$1;
-var index = function() {
- var radius = null,
- dx = 1,
- dy = 1,
- padding = constantZero;
+ if (!context) context = buffer = path();
- function pack(root) {
- root.x = dx / 2, root.y = dy / 2;
- if (radius) {
- root.eachBefore(radiusLeaf(radius))
- .eachAfter(packChildren(padding, 0.5))
- .eachBefore(translateChild(1));
- } else {
- root.eachBefore(radiusLeaf(defaultRadius))
- .eachAfter(packChildren(constantZero, 1))
- .eachAfter(packChildren(padding, root.r / Math.min(dx, dy)))
- .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r)));
+ context.moveTo(sx0, sy0);
+ context.arc(0, 0, sr, sa0, sa1);
+ if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr?
+ context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0));
+ context.arc(0, 0, tr, ta0, ta1);
}
- return root;
+ context.quadraticCurveTo(0, 0, sx0, sy0);
+ context.closePath();
+
+ if (buffer) return context = null, buffer + "" || null;
}
- pack.radius = function(x) {
- return arguments.length ? (radius = optional(x), pack) : radius;
+ ribbon.radius = function(_) {
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius;
};
- pack.size = function(x) {
- return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy];
+ ribbon.startAngle = function(_) {
+ return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle;
};
- pack.padding = function(x) {
- return arguments.length ? (padding = typeof x === "function" ? x : constant$6(+x), pack) : padding;
+ ribbon.endAngle = function(_) {
+ return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle;
};
- return pack;
-};
-
-function radiusLeaf(radius) {
- return function(node) {
- if (!node.children) {
- node.r = Math.max(0, +radius(node) || 0);
- }
+ ribbon.source = function(_) {
+ return arguments.length ? (source = _, ribbon) : source;
};
-}
-function packChildren(padding, k) {
- return function(node) {
- if (children = node.children) {
- var children,
- i,
- n = children.length,
- r = padding(node) * k || 0,
- e;
-
- if (r) for (i = 0; i < n; ++i) children[i].r += r;
- e = packEnclose(children);
- if (r) for (i = 0; i < n; ++i) children[i].r -= r;
- node.r = e + r;
- }
+ ribbon.target = function(_) {
+ return arguments.length ? (target = _, ribbon) : target;
};
-}
-function translateChild(k) {
- return function(node) {
- var parent = node.parent;
- node.r *= k;
- if (parent) {
- node.x = parent.x + k * node.x;
- node.y = parent.y + k * node.y;
- }
+ ribbon.context = function(_) {
+ return arguments.length ? ((context = _ == null ? null : _), ribbon) : context;
};
-}
-var roundNode = function(node) {
- node.x0 = Math.round(node.x0);
- node.y0 = Math.round(node.y0);
- node.x1 = Math.round(node.x1);
- node.y1 = Math.round(node.y1);
+ return ribbon;
};
-var treemapDice = function(parent, x0, y0, x1, y1) {
- var nodes = parent.children,
- node,
- i = -1,
- n = nodes.length,
- k = parent.value && (x1 - x0) / parent.value;
+var prefix = "$";
- while (++i < n) {
- node = nodes[i], node.y0 = y0, node.y1 = y1;
- node.x0 = x0, node.x1 = x0 += node.value * k;
+function Map() {}
+
+Map.prototype = map$1.prototype = {
+ constructor: Map,
+ has: function(key) {
+ return (prefix + key) in this;
+ },
+ get: function(key) {
+ return this[prefix + key];
+ },
+ set: function(key, value) {
+ this[prefix + key] = value;
+ return this;
+ },
+ remove: function(key) {
+ var property = prefix + key;
+ return property in this && delete this[property];
+ },
+ clear: function() {
+ for (var property in this) if (property[0] === prefix) delete this[property];
+ },
+ keys: function() {
+ var keys = [];
+ for (var property in this) if (property[0] === prefix) keys.push(property.slice(1));
+ return keys;
+ },
+ values: function() {
+ var values = [];
+ for (var property in this) if (property[0] === prefix) values.push(this[property]);
+ return values;
+ },
+ entries: function() {
+ var entries = [];
+ for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]});
+ return entries;
+ },
+ size: function() {
+ var size = 0;
+ for (var property in this) if (property[0] === prefix) ++size;
+ return size;
+ },
+ empty: function() {
+ for (var property in this) if (property[0] === prefix) return false;
+ return true;
+ },
+ each: function(f) {
+ for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this);
}
};
-var partition = function() {
- var dx = 1,
- dy = 1,
- padding = 0,
- round = false;
+function map$1(object, f) {
+ var map = new Map;
- function partition(root) {
- var n = root.height + 1;
- root.x0 =
- root.y0 = padding;
- root.x1 = dx;
- root.y1 = dy / n;
- root.eachBefore(positionNode(dy, n));
- if (round) root.eachBefore(roundNode);
- return root;
- }
+ // Copy constructor.
+ if (object instanceof Map) object.each(function(value, key) { map.set(key, value); });
- function positionNode(dy, n) {
- return function(node) {
- if (node.children) {
- treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n);
- }
- var x0 = node.x0,
- y0 = node.y0,
- x1 = node.x1 - padding,
- y1 = node.y1 - padding;
- if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
- if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
- node.x0 = x0;
- node.y0 = y0;
- node.x1 = x1;
- node.y1 = y1;
- };
+ // Index array by numeric index or specified key function.
+ else if (Array.isArray(object)) {
+ var i = -1,
+ n = object.length,
+ o;
+
+ if (f == null) while (++i < n) map.set(i, object[i]);
+ else while (++i < n) map.set(f(o = object[i], i, object), o);
}
- partition.round = function(x) {
- return arguments.length ? (round = !!x, partition) : round;
- };
+ // Convert object to map.
+ else if (object) for (var key in object) map.set(key, object[key]);
- partition.size = function(x) {
- return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy];
- };
-
- partition.padding = function(x) {
- return arguments.length ? (padding = +x, partition) : padding;
- };
-
- return partition;
-};
-
-var keyPrefix$1 = "$";
-var preroot = {depth: -1};
-var ambiguous = {};
-
-function defaultId(d) {
- return d.id;
+ return map;
}
-function defaultParentId(d) {
- return d.parentId;
-}
+var nest = function() {
+ var keys = [],
+ sortKeys = [],
+ sortValues,
+ rollup,
+ nest;
-var stratify = function() {
- var id = defaultId,
- parentId = defaultParentId;
+ function apply(array, depth, createResult, setResult) {
+ if (depth >= keys.length) return rollup != null
+ ? rollup(array) : (sortValues != null
+ ? array.sort(sortValues)
+ : array);
- function stratify(data) {
- var d,
- i,
- n = data.length,
- root,
- parent,
- node,
- nodes = new Array(n),
- nodeId,
- nodeKey,
- nodeByKey = {};
+ var i = -1,
+ n = array.length,
+ key = keys[depth++],
+ keyValue,
+ value,
+ valuesByKey = map$1(),
+ values,
+ result = createResult();
- for (i = 0; i < n; ++i) {
- d = data[i], node = nodes[i] = new Node(d);
- if ((nodeId = id(d, i, data)) != null && (nodeId += "")) {
- nodeKey = keyPrefix$1 + (node.id = nodeId);
- nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node;
- }
- }
-
- for (i = 0; i < n; ++i) {
- node = nodes[i], nodeId = parentId(data[i], i, data);
- if (nodeId == null || !(nodeId += "")) {
- if (root) throw new Error("multiple roots");
- root = node;
+ while (++i < n) {
+ if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) {
+ values.push(value);
} else {
- parent = nodeByKey[keyPrefix$1 + nodeId];
- if (!parent) throw new Error("missing: " + nodeId);
- if (parent === ambiguous) throw new Error("ambiguous: " + nodeId);
- if (parent.children) parent.children.push(node);
- else parent.children = [node];
- node.parent = parent;
+ valuesByKey.set(keyValue, [value]);
}
}
- if (!root) throw new Error("no root");
- root.parent = preroot;
- root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight);
- root.parent = null;
- if (n > 0) throw new Error("cycle");
+ valuesByKey.each(function(values, key) {
+ setResult(result, key, apply(values, depth, createResult, setResult));
+ });
- return root;
+ return result;
}
- stratify.id = function(x) {
- return arguments.length ? (id = required(x), stratify) : id;
- };
+ function entries(map, depth) {
+ if (++depth > keys.length) return map;
+ var array, sortKey = sortKeys[depth - 1];
+ if (rollup != null && depth >= keys.length) array = map.entries();
+ else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); });
+ return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array;
+ }
- stratify.parentId = function(x) {
- return arguments.length ? (parentId = required(x), stratify) : parentId;
+ return nest = {
+ object: function(array) { return apply(array, 0, createObject, setObject); },
+ map: function(array) { return apply(array, 0, createMap, setMap); },
+ entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); },
+ key: function(d) { keys.push(d); return nest; },
+ sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; },
+ sortValues: function(order) { sortValues = order; return nest; },
+ rollup: function(f) { rollup = f; return nest; }
};
-
- return stratify;
};
-function defaultSeparation$1(a, b) {
- return a.parent === b.parent ? 1 : 2;
+function createObject() {
+ return {};
}
-// function radialSeparation(a, b) {
-// return (a.parent === b.parent ? 1 : 2) / a.depth;
-// }
-
-// This function is used to traverse the left contour of a subtree (or
-// subforest). It returns the successor of v on this contour. This successor is
-// either given by the leftmost child of v or by the thread of v. The function
-// returns null if and only if v is on the highest level of its subtree.
-function nextLeft(v) {
- var children = v.children;
- return children ? children[0] : v.t;
+function setObject(object, key, value) {
+ object[key] = value;
}
-// This function works analogously to nextLeft.
-function nextRight(v) {
- var children = v.children;
- return children ? children[children.length - 1] : v.t;
+function createMap() {
+ return map$1();
}
-// Shifts the current subtree rooted at w+. This is done by increasing
-// prelim(w+) and mod(w+) by shift.
-function moveSubtree(wm, wp, shift) {
- var change = shift / (wp.i - wm.i);
- wp.c -= change;
- wp.s += shift;
- wm.c += change;
- wp.z += shift;
- wp.m += shift;
+function setMap(map, key, value) {
+ map.set(key, value);
}
-// All other shifts, applied to the smaller subtrees between w- and w+, are
-// performed by this function. To prepare the shifts, we have to adjust
-// change(w+), shift(w+), and change(w-).
-function executeShifts(v) {
- var shift = 0,
- change = 0,
- children = v.children,
- i = children.length,
- w;
- while (--i >= 0) {
- w = children[i];
- w.z += shift;
- w.m += shift;
- shift += w.s + (change += w.c);
- }
-}
+function Set() {}
-// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise,
-// returns the specified (default) ancestor.
-function nextAncestor(vim, v, ancestor) {
- return vim.a.parent === v.parent ? vim.a : ancestor;
-}
+var proto = map$1.prototype;
-function TreeNode(node, i) {
- this._ = node;
- this.parent = null;
- this.children = null;
- this.A = null; // default ancestor
- this.a = this; // ancestor
- this.z = 0; // prelim
- this.m = 0; // mod
- this.c = 0; // change
- this.s = 0; // shift
- this.t = null; // thread
- this.i = i; // number
-}
+Set.prototype = set$2.prototype = {
+ constructor: Set,
+ has: proto.has,
+ add: function(value) {
+ value += "";
+ this[prefix + value] = value;
+ return this;
+ },
+ remove: proto.remove,
+ clear: proto.clear,
+ values: proto.keys,
+ size: proto.size,
+ empty: proto.empty,
+ each: proto.each
+};
-TreeNode.prototype = Object.create(Node.prototype);
+function set$2(object, f) {
+ var set = new Set;
-function treeRoot(root) {
- var tree = new TreeNode(root, 0),
- node,
- nodes = [tree],
- child,
- children,
- i,
- n;
+ // Copy constructor.
+ if (object instanceof Set) object.each(function(value) { set.add(value); });
- while (node = nodes.pop()) {
- if (children = node._.children) {
- node.children = new Array(n = children.length);
- for (i = n - 1; i >= 0; --i) {
- nodes.push(child = node.children[i] = new TreeNode(children[i], i));
- child.parent = node;
- }
- }
+ // Otherwise, assume it’s an array.
+ else if (object) {
+ var i = -1, n = object.length;
+ if (f == null) while (++i < n) set.add(object[i]);
+ else while (++i < n) set.add(f(object[i], i, object));
}
- (tree.parent = new TreeNode(null, 0)).children = [tree];
- return tree;
+ return set;
}
-// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
-var tree = function() {
- var separation = defaultSeparation$1,
- dx = 1,
- dy = 1,
- nodeSize = null;
+var keys = function(map) {
+ var keys = [];
+ for (var key in map) keys.push(key);
+ return keys;
+};
- function tree(root) {
- var t = treeRoot(root);
+var values = function(map) {
+ var values = [];
+ for (var key in map) values.push(map[key]);
+ return values;
+};
- // Compute the layout using Buchheim et al.’s algorithm.
- t.eachAfter(firstWalk), t.parent.m = -t.z;
- t.eachBefore(secondWalk);
+var entries = function(map) {
+ var entries = [];
+ for (var key in map) entries.push({key: key, value: map[key]});
+ return entries;
+};
- // If a fixed node size is specified, scale x and y.
- if (nodeSize) root.eachBefore(sizeNode);
+function objectConverter(columns) {
+ return new Function("d", "return {" + columns.map(function(name, i) {
+ return JSON.stringify(name) + ": d[" + i + "]";
+ }).join(",") + "}");
+}
- // If a fixed tree size is specified, scale x and y based on the extent.
- // Compute the left-most, right-most, and depth-most nodes for extents.
- else {
- var left = root,
- right = root,
- bottom = root;
- root.eachBefore(function(node) {
- if (node.x < left.x) left = node;
- if (node.x > right.x) right = node;
- if (node.depth > bottom.depth) bottom = node;
- });
- var s = left === right ? 1 : separation(left, right) / 2,
- tx = s - left.x,
- kx = dx / (right.x + s + tx),
- ky = dy / (bottom.depth || 1);
- root.eachBefore(function(node) {
- node.x = (node.x + tx) * kx;
- node.y = node.depth * ky;
- });
- }
+function customConverter(columns, f) {
+ var object = objectConverter(columns);
+ return function(row, i) {
+ return f(object(row), i, columns);
+ };
+}
- return root;
- }
+// Compute unique columns in order of discovery.
+function inferColumns(rows) {
+ var columnSet = Object.create(null),
+ columns = [];
- // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is
- // applied recursively to the children of v, as well as the function
- // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the
- // node v is placed to the midpoint of its outermost children.
- function firstWalk(v) {
- var children = v.children,
- siblings = v.parent.children,
- w = v.i ? siblings[v.i - 1] : null;
- if (children) {
- executeShifts(v);
- var midpoint = (children[0].z + children[children.length - 1].z) / 2;
- if (w) {
- v.z = w.z + separation(v._, w._);
- v.m = v.z - midpoint;
- } else {
- v.z = midpoint;
+ rows.forEach(function(row) {
+ for (var column in row) {
+ if (!(column in columnSet)) {
+ columns.push(columnSet[column] = column);
}
- } else if (w) {
- v.z = w.z + separation(v._, w._);
}
- v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
- }
+ });
- // Computes all real x-coordinates by summing up the modifiers recursively.
- function secondWalk(v) {
- v._.x = v.z + v.parent.m;
- v.m += v.parent.m;
+ return columns;
+}
+
+var dsv = function(delimiter) {
+ var reFormat = new RegExp("[\"" + delimiter + "\n]"),
+ delimiterCode = delimiter.charCodeAt(0);
+
+ function parse(text, f) {
+ var convert, columns, rows = parseRows(text, function(row, i) {
+ if (convert) return convert(row, i - 1);
+ columns = row, convert = f ? customConverter(row, f) : objectConverter(row);
+ });
+ rows.columns = columns;
+ return rows;
}
- // The core of the algorithm. Here, a new subtree is combined with the
- // previous subtrees. Threads are used to traverse the inside and outside
- // contours of the left and right subtree up to the highest common level. The
- // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the
- // superscript o means outside and i means inside, the subscript - means left
- // subtree and + means right subtree. For summing up the modifiers along the
- // contour, we use respective variables si+, si-, so-, and so+. Whenever two
- // nodes of the inside contours conflict, we compute the left one of the
- // greatest uncommon ancestors using the function ANCESTOR and call MOVE
- // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees.
- // Finally, we add a new thread (if necessary).
- function apportion(v, w, ancestor) {
- if (w) {
- var vip = v,
- vop = v,
- vim = w,
- vom = vip.parent.children[0],
- sip = vip.m,
- sop = vop.m,
- sim = vim.m,
- som = vom.m,
- shift;
- while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) {
- vom = nextLeft(vom);
- vop = nextRight(vop);
- vop.a = v;
- shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
- if (shift > 0) {
- moveSubtree(nextAncestor(vim, v, ancestor), v, shift);
- sip += shift;
- sop += shift;
+ function parseRows(text, f) {
+ var EOL = {}, // sentinel value for end-of-line
+ EOF = {}, // sentinel value for end-of-file
+ rows = [], // output rows
+ N = text.length,
+ I = 0, // current character index
+ n = 0, // the current line number
+ t, // the current token
+ eol; // is the current token followed by EOL?
+
+ function token() {
+ if (I >= N) return EOF; // special case: end of file
+ if (eol) return eol = false, EOL; // special case: end of line
+
+ // special case: quotes
+ var j = I, c;
+ if (text.charCodeAt(j) === 34) {
+ var i = j;
+ while (i++ < N) {
+ if (text.charCodeAt(i) === 34) {
+ if (text.charCodeAt(i + 1) !== 34) break;
+ ++i;
+ }
}
- sim += vim.m;
- sip += vip.m;
- som += vom.m;
- sop += vop.m;
+ I = i + 2;
+ c = text.charCodeAt(i + 1);
+ if (c === 13) {
+ eol = true;
+ if (text.charCodeAt(i + 2) === 10) ++I;
+ } else if (c === 10) {
+ eol = true;
+ }
+ return text.slice(j + 1, i).replace(/""/g, "\"");
}
- if (vim && !nextRight(vop)) {
- vop.t = vim;
- vop.m += sim - sop;
+
+ // common case: find next delimiter or newline
+ while (I < N) {
+ var k = 1;
+ c = text.charCodeAt(I++);
+ if (c === 10) eol = true; // \n
+ else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n
+ else if (c !== delimiterCode) continue;
+ return text.slice(j, I - k);
}
- if (vip && !nextLeft(vom)) {
- vom.t = vip;
- vom.m += sip - som;
- ancestor = v;
+
+ // special case: last token before EOF
+ return text.slice(j);
+ }
+
+ while ((t = token()) !== EOF) {
+ var a = [];
+ while (t !== EOL && t !== EOF) {
+ a.push(t);
+ t = token();
}
+ if (f && (a = f(a, n++)) == null) continue;
+ rows.push(a);
}
- return ancestor;
+
+ return rows;
}
- function sizeNode(node) {
- node.x *= dx;
- node.y = node.depth * dy;
+ function format(rows, columns) {
+ if (columns == null) columns = inferColumns(rows);
+ return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) {
+ return columns.map(function(column) {
+ return formatValue(row[column]);
+ }).join(delimiter);
+ })).join("\n");
}
- tree.separation = function(x) {
- return arguments.length ? (separation = x, tree) : separation;
+ function formatRows(rows) {
+ return rows.map(formatRow).join("\n");
+ }
+
+ function formatRow(row) {
+ return row.map(formatValue).join(delimiter);
+ }
+
+ function formatValue(text) {
+ return text == null ? ""
+ : reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\""
+ : text;
+ }
+
+ return {
+ parse: parse,
+ parseRows: parseRows,
+ format: format,
+ formatRows: formatRows
};
+};
- tree.size = function(x) {
- return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]);
+var csv = dsv(",");
+
+var csvParse = csv.parse;
+var csvParseRows = csv.parseRows;
+var csvFormat = csv.format;
+var csvFormatRows = csv.formatRows;
+
+var tsv = dsv("\t");
+
+var tsvParse = tsv.parse;
+var tsvParseRows = tsv.parseRows;
+var tsvFormat = tsv.format;
+var tsvFormatRows = tsv.formatRows;
+
+var center$1 = function(x, y) {
+ var nodes;
+
+ if (x == null) x = 0;
+ if (y == null) y = 0;
+
+ function force() {
+ var i,
+ n = nodes.length,
+ node,
+ sx = 0,
+ sy = 0;
+
+ for (i = 0; i < n; ++i) {
+ node = nodes[i], sx += node.x, sy += node.y;
+ }
+
+ for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) {
+ node = nodes[i], node.x -= sx, node.y -= sy;
+ }
+ }
+
+ force.initialize = function(_) {
+ nodes = _;
};
- tree.nodeSize = function(x) {
- return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null);
+ force.x = function(_) {
+ return arguments.length ? (x = +_, force) : x;
};
- return tree;
+ force.y = function(_) {
+ return arguments.length ? (y = +_, force) : y;
+ };
+
+ return force;
};
-var treemapSlice = function(parent, x0, y0, x1, y1) {
- var nodes = parent.children,
- node,
- i = -1,
- n = nodes.length,
- k = parent.value && (y1 - y0) / parent.value;
+var constant$6 = function(x) {
+ return function() {
+ return x;
+ };
+};
- while (++i < n) {
- node = nodes[i], node.x0 = x0, node.x1 = x1;
- node.y0 = y0, node.y1 = y0 += node.value * k;
- }
+var jiggle = function() {
+ return (Math.random() - 0.5) * 1e-6;
};
-var phi = (1 + Math.sqrt(5)) / 2;
+var tree_add = function(d) {
+ var x = +this._x.call(null, d),
+ y = +this._y.call(null, d);
+ return add(this.cover(x, y), x, y, d);
+};
-function squarifyRatio(ratio, parent, x0, y0, x1, y1) {
- var rows = [],
- nodes = parent.children,
- row,
- nodeValue,
- i0 = 0,
- i1,
- n = nodes.length,
- dx, dy,
- value = parent.value,
- sumValue,
- minValue,
- maxValue,
- newRatio,
- minRatio,
- alpha,
- beta;
+function add(tree, x, y, d) {
+ if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points
- while (i0 < n) {
- dx = x1 - x0, dy = y1 - y0;
- minValue = maxValue = sumValue = nodes[i0].value;
- alpha = Math.max(dy / dx, dx / dy) / (value * ratio);
- beta = sumValue * sumValue * alpha;
- minRatio = Math.max(maxValue / beta, beta / minValue);
+ var parent,
+ node = tree._root,
+ leaf = {data: d},
+ x0 = tree._x0,
+ y0 = tree._y0,
+ x1 = tree._x1,
+ y1 = tree._y1,
+ xm,
+ ym,
+ xp,
+ yp,
+ right,
+ bottom,
+ i,
+ j;
- // Keep adding nodes while the aspect ratio maintains or improves.
- for (i1 = i0 + 1; i1 < n; ++i1) {
- sumValue += nodeValue = nodes[i1].value;
- if (nodeValue < minValue) minValue = nodeValue;
- if (nodeValue > maxValue) maxValue = nodeValue;
- beta = sumValue * sumValue * alpha;
- newRatio = Math.max(maxValue / beta, beta / minValue);
- if (newRatio > minRatio) { sumValue -= nodeValue; break; }
- minRatio = newRatio;
- }
+ // If the tree is empty, initialize the root as a leaf.
+ if (!node) return tree._root = leaf, tree;
- // Position and record the row orientation.
- rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)});
- if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1);
- else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1);
- value -= sumValue, i0 = i1;
+ // Find the existing leaf for the new point, or add it.
+ while (node.length) {
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree;
}
- return rows;
+ // Is the new point is exactly coincident with the existing point?
+ xp = +tree._x.call(null, node.data);
+ yp = +tree._y.call(null, node.data);
+ if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree;
+
+ // Otherwise, split the leaf node until the old and new point are separated.
+ do {
+ parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4);
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm)));
+ return parent[j] = node, parent[i] = leaf, tree;
}
-var squarify = (function custom(ratio) {
+function addAll(data) {
+ var d, i, n = data.length,
+ x,
+ y,
+ xz = new Array(n),
+ yz = new Array(n),
+ x0 = Infinity,
+ y0 = Infinity,
+ x1 = -Infinity,
+ y1 = -Infinity;
- function squarify(parent, x0, y0, x1, y1) {
- squarifyRatio(ratio, parent, x0, y0, x1, y1);
+ // Compute the points and their extent.
+ for (i = 0; i < n; ++i) {
+ if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue;
+ xz[i] = x;
+ yz[i] = y;
+ if (x < x0) x0 = x;
+ if (x > x1) x1 = x;
+ if (y < y0) y0 = y;
+ if (y > y1) y1 = y;
}
- squarify.ratio = function(x) {
- return custom((x = +x) > 1 ? x : 1);
- };
+ // If there were no (valid) points, inherit the existing extent.
+ if (x1 < x0) x0 = this._x0, x1 = this._x1;
+ if (y1 < y0) y0 = this._y0, y1 = this._y1;
- return squarify;
-})(phi);
+ // Expand the tree to cover the new points.
+ this.cover(x0, y0).cover(x1, y1);
-var index$1 = function() {
- var tile = squarify,
- round = false,
- dx = 1,
- dy = 1,
- paddingStack = [0],
- paddingInner = constantZero,
- paddingTop = constantZero,
- paddingRight = constantZero,
- paddingBottom = constantZero,
- paddingLeft = constantZero;
-
- function treemap(root) {
- root.x0 =
- root.y0 = 0;
- root.x1 = dx;
- root.y1 = dy;
- root.eachBefore(positionNode);
- paddingStack = [0];
- if (round) root.eachBefore(roundNode);
- return root;
+ // Add the new points.
+ for (i = 0; i < n; ++i) {
+ add(this, xz[i], yz[i], data[i]);
}
- function positionNode(node) {
- var p = paddingStack[node.depth],
- x0 = node.x0 + p,
- y0 = node.y0 + p,
- x1 = node.x1 - p,
- y1 = node.y1 - p;
- if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
- if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
- node.x0 = x0;
- node.y0 = y0;
- node.x1 = x1;
- node.y1 = y1;
- if (node.children) {
- p = paddingStack[node.depth + 1] = paddingInner(node) / 2;
- x0 += paddingLeft(node) - p;
- y0 += paddingTop(node) - p;
- x1 -= paddingRight(node) - p;
- y1 -= paddingBottom(node) - p;
- if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
- if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
- tile(node, x0, y0, x1, y1);
- }
- }
+ return this;
+}
- treemap.round = function(x) {
- return arguments.length ? (round = !!x, treemap) : round;
- };
+var tree_cover = function(x, y) {
+ if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points
- treemap.size = function(x) {
- return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy];
- };
+ var x0 = this._x0,
+ y0 = this._y0,
+ x1 = this._x1,
+ y1 = this._y1;
- treemap.tile = function(x) {
- return arguments.length ? (tile = required(x), treemap) : tile;
- };
+ // If the quadtree has no extent, initialize them.
+ // Integer extent are necessary so that if we later double the extent,
+ // the existing quadrant boundaries don’t change due to floating point error!
+ if (isNaN(x0)) {
+ x1 = (x0 = Math.floor(x)) + 1;
+ y1 = (y0 = Math.floor(y)) + 1;
+ }
- treemap.padding = function(x) {
- return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner();
- };
+ // Otherwise, double repeatedly to cover.
+ else if (x0 > x || x > x1 || y0 > y || y > y1) {
+ var z = x1 - x0,
+ node = this._root,
+ parent,
+ i;
- treemap.paddingInner = function(x) {
- return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$6(+x), treemap) : paddingInner;
- };
+ switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) {
+ case 0: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1);
+ break;
+ }
+ case 1: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1);
+ break;
+ }
+ case 2: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y);
+ break;
+ }
+ case 3: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y);
+ break;
+ }
+ }
- treemap.paddingOuter = function(x) {
- return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop();
- };
+ if (this._root && this._root.length) this._root = node;
+ }
- treemap.paddingTop = function(x) {
- return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$6(+x), treemap) : paddingTop;
- };
+ // If the quadtree covers the point already, just return.
+ else return this;
- treemap.paddingRight = function(x) {
- return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$6(+x), treemap) : paddingRight;
- };
+ this._x0 = x0;
+ this._y0 = y0;
+ this._x1 = x1;
+ this._y1 = y1;
+ return this;
+};
- treemap.paddingBottom = function(x) {
- return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$6(+x), treemap) : paddingBottom;
- };
+var tree_data = function() {
+ var data = [];
+ this.visit(function(node) {
+ if (!node.length) do data.push(node.data); while (node = node.next)
+ });
+ return data;
+};
- treemap.paddingLeft = function(x) {
- return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$6(+x), treemap) : paddingLeft;
- };
+var tree_extent = function(_) {
+ return arguments.length
+ ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1])
+ : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]];
+};
- return treemap;
+var Quad = function(node, x0, y0, x1, y1) {
+ this.node = node;
+ this.x0 = x0;
+ this.y0 = y0;
+ this.x1 = x1;
+ this.y1 = y1;
};
-var binary = function(parent, x0, y0, x1, y1) {
- var nodes = parent.children,
- i, n = nodes.length,
- sum, sums = new Array(n + 1);
+var tree_find = function(x, y, radius) {
+ var data,
+ x0 = this._x0,
+ y0 = this._y0,
+ x1,
+ y1,
+ x2,
+ y2,
+ x3 = this._x1,
+ y3 = this._y1,
+ quads = [],
+ node = this._root,
+ q,
+ i;
- for (sums[0] = sum = i = 0; i < n; ++i) {
- sums[i + 1] = sum += nodes[i].value;
+ if (node) quads.push(new Quad(node, x0, y0, x3, y3));
+ if (radius == null) radius = Infinity;
+ else {
+ x0 = x - radius, y0 = y - radius;
+ x3 = x + radius, y3 = y + radius;
+ radius *= radius;
}
- partition(0, n, parent.value, x0, y0, x1, y1);
+ while (q = quads.pop()) {
- function partition(i, j, value, x0, y0, x1, y1) {
- if (i >= j - 1) {
- var node = nodes[i];
- node.x0 = x0, node.y0 = y0;
- node.x1 = x1, node.y1 = y1;
- return;
- }
+ // Stop searching if this quadrant can’t contain a closer node.
+ if (!(node = q.node)
+ || (x1 = q.x0) > x3
+ || (y1 = q.y0) > y3
+ || (x2 = q.x1) < x0
+ || (y2 = q.y1) < y0) continue;
- var valueOffset = sums[i],
- valueTarget = (value / 2) + valueOffset,
- k = i + 1,
- hi = j - 1;
+ // Bisect the current quadrant.
+ if (node.length) {
+ var xm = (x1 + x2) / 2,
+ ym = (y1 + y2) / 2;
- while (k < hi) {
- var mid = k + hi >>> 1;
- if (sums[mid] < valueTarget) k = mid + 1;
- else hi = mid;
+ quads.push(
+ new Quad(node[3], xm, ym, x2, y2),
+ new Quad(node[2], x1, ym, xm, y2),
+ new Quad(node[1], xm, y1, x2, ym),
+ new Quad(node[0], x1, y1, xm, ym)
+ );
+
+ // Visit the closest quadrant first.
+ if (i = (y >= ym) << 1 | (x >= xm)) {
+ q = quads[quads.length - 1];
+ quads[quads.length - 1] = quads[quads.length - 1 - i];
+ quads[quads.length - 1 - i] = q;
+ }
}
- var valueLeft = sums[k] - valueOffset,
- valueRight = value - valueLeft;
-
- if ((y1 - y0) > (x1 - x0)) {
- var yk = (y0 * valueRight + y1 * valueLeft) / value;
- partition(i, k, valueLeft, x0, y0, x1, yk);
- partition(k, j, valueRight, x0, yk, x1, y1);
- } else {
- var xk = (x0 * valueRight + x1 * valueLeft) / value;
- partition(i, k, valueLeft, x0, y0, xk, y1);
- partition(k, j, valueRight, xk, y0, x1, y1);
+ // Visit this point. (Visiting coincident points isn’t necessary!)
+ else {
+ var dx = x - +this._x.call(null, node.data),
+ dy = y - +this._y.call(null, node.data),
+ d2 = dx * dx + dy * dy;
+ if (d2 < radius) {
+ var d = Math.sqrt(radius = d2);
+ x0 = x - d, y0 = y - d;
+ x3 = x + d, y3 = y + d;
+ data = node.data;
+ }
}
}
-};
-var sliceDice = function(parent, x0, y0, x1, y1) {
- (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1);
+ return data;
};
-var resquarify = (function custom(ratio) {
+var tree_remove = function(d) {
+ if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points
- function resquarify(parent, x0, y0, x1, y1) {
- if ((rows = parent._squarify) && (rows.ratio === ratio)) {
- var rows,
- row,
- nodes,
- i,
- j = -1,
- n,
- m = rows.length,
- value = parent.value;
+ var parent,
+ node = this._root,
+ retainer,
+ previous,
+ next,
+ x0 = this._x0,
+ y0 = this._y0,
+ x1 = this._x1,
+ y1 = this._y1,
+ x,
+ y,
+ xm,
+ ym,
+ right,
+ bottom,
+ i,
+ j;
- while (++j < m) {
- row = rows[j], nodes = row.children;
- for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value;
- if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value);
- else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1);
- value -= row.value;
- }
- } else {
- parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1);
- rows.ratio = ratio;
- }
+ // If the tree is empty, initialize the root as a leaf.
+ if (!node) return this;
+
+ // Find the leaf node for the point.
+ // While descending, also retain the deepest parent with a non-removed sibling.
+ if (node.length) while (true) {
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ if (!(parent = node, node = node[i = bottom << 1 | right])) return this;
+ if (!node.length) break;
+ if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i;
}
- resquarify.ratio = function(x) {
- return custom((x = +x) > 1 ? x : 1);
- };
+ // Find the point to remove.
+ while (node.data !== d) if (!(previous = node, node = node.next)) return this;
+ if (next = node.next) delete node.next;
- return resquarify;
-})(phi);
+ // If there are multiple coincident points, remove just the point.
+ if (previous) return (next ? previous.next = next : delete previous.next), this;
-var center$1 = function(x, y) {
- var nodes;
+ // If this is the root point, remove it.
+ if (!parent) return this._root = next, this;
- if (x == null) x = 0;
- if (y == null) y = 0;
+ // Remove this leaf.
+ next ? parent[i] = next : delete parent[i];
- function force() {
- var i,
- n = nodes.length,
- node,
- sx = 0,
- sy = 0;
+ // If the parent now contains exactly one leaf, collapse superfluous parents.
+ if ((node = parent[0] || parent[1] || parent[2] || parent[3])
+ && node === (parent[3] || parent[2] || parent[1] || parent[0])
+ && !node.length) {
+ if (retainer) retainer[j] = node;
+ else this._root = node;
+ }
- for (i = 0; i < n; ++i) {
- node = nodes[i], sx += node.x, sy += node.y;
+ return this;
+};
+
+function removeAll(data) {
+ for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]);
+ return this;
+}
+
+var tree_root = function() {
+ return this._root;
+};
+
+var tree_size = function() {
+ var size = 0;
+ this.visit(function(node) {
+ if (!node.length) do ++size; while (node = node.next)
+ });
+ return size;
+};
+
+var tree_visit = function(callback) {
+ var quads = [], q, node = this._root, child, x0, y0, x1, y1;
+ if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1));
+ while (q = quads.pop()) {
+ if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) {
+ var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
+ if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
+ if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
+ if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
+ if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
}
+ }
+ return this;
+};
- for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) {
- node = nodes[i], node.x -= sx, node.y -= sy;
+var tree_visitAfter = function(callback) {
+ var quads = [], next = [], q;
+ if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1));
+ while (q = quads.pop()) {
+ var node = q.node;
+ if (node.length) {
+ var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
+ if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
+ if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
+ if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
+ if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
}
+ next.push(q);
}
+ while (q = next.pop()) {
+ callback(q.node, q.x0, q.y0, q.x1, q.y1);
+ }
+ return this;
+};
- force.initialize = function(_) {
- nodes = _;
- };
+function defaultX(d) {
+ return d[0];
+}
- force.x = function(_) {
- return arguments.length ? (x = +_, force) : x;
- };
+var tree_x = function(_) {
+ return arguments.length ? (this._x = _, this) : this._x;
+};
- force.y = function(_) {
- return arguments.length ? (y = +_, force) : y;
- };
+function defaultY(d) {
+ return d[1];
+}
- return force;
+var tree_y = function(_) {
+ return arguments.length ? (this._y = _, this) : this._y;
};
-var constant$7 = function(x) {
- return function() {
- return x;
- };
-};
+function quadtree(nodes, x, y) {
+ var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN);
+ return nodes == null ? tree : tree.addAll(nodes);
+}
-var jiggle = function() {
- return (Math.random() - 0.5) * 1e-6;
+function Quadtree(x, y, x0, y0, x1, y1) {
+ this._x = x;
+ this._y = y;
+ this._x0 = x0;
+ this._y0 = y0;
+ this._x1 = x1;
+ this._y1 = y1;
+ this._root = undefined;
+}
+
+function leaf_copy(leaf) {
+ var copy = {data: leaf.data}, next = copy;
+ while (leaf = leaf.next) next = next.next = {data: leaf.data};
+ return copy;
+}
+
+var treeProto = quadtree.prototype = Quadtree.prototype;
+
+treeProto.copy = function() {
+ var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1),
+ node = this._root,
+ nodes,
+ child;
+
+ if (!node) return copy;
+
+ if (!node.length) return copy._root = leaf_copy(node), copy;
+
+ nodes = [{source: node, target: copy._root = new Array(4)}];
+ while (node = nodes.pop()) {
+ for (var i = 0; i < 4; ++i) {
+ if (child = node.source[i]) {
+ if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)});
+ else node.target[i] = leaf_copy(child);
+ }
+ }
+ }
+
+ return copy;
};
-function x$1(d) {
+treeProto.add = tree_add;
+treeProto.addAll = addAll;
+treeProto.cover = tree_cover;
+treeProto.data = tree_data;
+treeProto.extent = tree_extent;
+treeProto.find = tree_find;
+treeProto.remove = tree_remove;
+treeProto.removeAll = removeAll;
+treeProto.root = tree_root;
+treeProto.size = tree_size;
+treeProto.visit = tree_visit;
+treeProto.visitAfter = tree_visitAfter;
+treeProto.x = tree_x;
+treeProto.y = tree_y;
+
+function x(d) {
return d.x + d.vx;
}
-function y$1(d) {
+function y(d) {
return d.y + d.vy;
}
var collide = function(radius) {
var nodes,
radii,
strength = 1,
iterations = 1;
- if (typeof radius !== "function") radius = constant$7(radius == null ? 1 : +radius);
+ if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius);
function force() {
var i, n = nodes.length,
tree,
node,
@@ -10343,24 +5721,24 @@
yi,
ri,
ri2;
for (var k = 0; k < iterations; ++k) {
- tree = quadtree(nodes, x$1, y$1).visitAfter(prepare);
+ tree = quadtree(nodes, x, y).visitAfter(prepare);
for (i = 0; i < n; ++i) {
node = nodes[i];
- ri = radii[i], ri2 = ri * ri;
+ ri = radii[node.index], ri2 = ri * ri;
xi = node.x + node.vx;
yi = node.y + node.vy;
tree.visit(apply);
}
}
function apply(quad, x0, y0, x1, y1) {
var data = quad.data, rj = quad.r, r = ri + rj;
if (data) {
- if (data.index > i) {
+ if (data.index > node.index) {
var x = xi - data.x - data.vx,
y = yi - data.y - data.vy,
l = x * x + y * y;
if (l < r * r) {
if (x === 0) x = jiggle(), l += x * x;
@@ -10387,13 +5765,13 @@
}
}
function initialize() {
if (!nodes) return;
- var i, n = nodes.length;
+ var i, n = nodes.length, node;
radii = new Array(n);
- for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes);
+ for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes);
}
force.initialize = function(_) {
nodes = _;
initialize();
@@ -10406,31 +5784,31 @@
force.strength = function(_) {
return arguments.length ? (strength = +_, force) : strength;
};
force.radius = function(_) {
- return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : radius;
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius;
};
return force;
};
-function index$2(d, i) {
- return i;
+function index(d) {
+ return d.index;
}
function find(nodeById, nodeId) {
var node = nodeById.get(nodeId);
if (!node) throw new Error("missing: " + nodeId);
return node;
}
var link = function(links) {
- var id = index$2,
+ var id = index,
strength = defaultStrength,
strengths,
- distance = constant$7(30),
+ distance = constant$6(30),
distances,
nodes,
count,
bias,
iterations = 1;
@@ -10465,19 +5843,16 @@
n = nodes.length,
m = links.length,
nodeById = map$1(nodes, id),
link;
- for (i = 0, count = new Array(n); i < n; ++i) {
- count[i] = 0;
- }
-
- for (i = 0; i < m; ++i) {
+ for (i = 0, count = new Array(n); i < m; ++i) {
link = links[i], link.index = i;
if (typeof link.source !== "object") link.source = find(nodeById, link.source);
if (typeof link.target !== "object") link.target = find(nodeById, link.target);
- ++count[link.source.index], ++count[link.target.index];
+ count[link.source.index] = (count[link.source.index] || 0) + 1;
+ count[link.target.index] = (count[link.target.index] || 0) + 1;
}
for (i = 0, bias = new Array(m); i < m; ++i) {
link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]);
}
@@ -10518,25 +5893,25 @@
force.iterations = function(_) {
return arguments.length ? (iterations = +_, force) : iterations;
};
force.strength = function(_) {
- return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initializeStrength(), force) : strength;
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength;
};
force.distance = function(_) {
- return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance;
+ return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance;
};
return force;
};
-function x$2(d) {
+function x$1(d) {
return d.x;
}
-function y$2(d) {
+function y$1(d) {
return d.y;
}
var initialRadius = 10;
var initialAngle = Math.PI * (3 - Math.sqrt(5));
@@ -10672,26 +6047,26 @@
var manyBody = function() {
var nodes,
node,
alpha,
- strength = constant$7(-30),
+ strength = constant$6(-30),
strengths,
distanceMin2 = 1,
distanceMax2 = Infinity,
theta2 = 0.81;
function force(_) {
- var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate);
+ var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate);
for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply);
}
function initialize() {
if (!nodes) return;
- var i, n = nodes.length;
+ var i, n = nodes.length, node;
strengths = new Array(n);
- for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes);
+ for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes);
}
function accumulate(quad) {
var strength = 0, q, c, x$$1, y$$1, i;
@@ -10760,11 +6135,11 @@
nodes = _;
initialize();
};
force.strength = function(_) {
- return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength;
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
};
force.distanceMin = function(_) {
return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2);
};
@@ -10778,17 +6153,17 @@
};
return force;
};
-var x$3 = function(x) {
- var strength = constant$7(0.1),
+var x$2 = function(x) {
+ var strength = constant$6(0.1),
nodes,
strengths,
xz;
- if (typeof x !== "function") x = constant$7(x == null ? 0 : +x);
+ if (typeof x !== "function") x = constant$6(x == null ? 0 : +x);
function force(alpha) {
for (var i = 0, n = nodes.length, node; i < n; ++i) {
node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha;
}
@@ -10808,27 +6183,27 @@
nodes = _;
initialize();
};
force.strength = function(_) {
- return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength;
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
};
force.x = function(_) {
- return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x;
+ return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x;
};
return force;
};
-var y$3 = function(y) {
- var strength = constant$7(0.1),
+var y$2 = function(y) {
+ var strength = constant$6(0.1),
nodes,
strengths,
yz;
- if (typeof y !== "function") y = constant$7(y == null ? 0 : +y);
+ if (typeof y !== "function") y = constant$6(y == null ? 0 : +y);
function force(alpha) {
for (var i = 0, n = nodes.length, node; i < n; ++i) {
node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha;
}
@@ -10848,2397 +6223,331 @@
nodes = _;
initialize();
};
force.strength = function(_) {
- return arguments.length ? (strength = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : strength;
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
};
force.y = function(_) {
- return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : y;
+ return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y;
};
return force;
};
-function nopropagation() {
- exports.event.stopImmediatePropagation();
-}
+// Computes the decimal coefficient and exponent of the specified number x with
+// significant digits p, where x is positive and p is in [1, 21] or undefined.
+// For example, formatDecimal(1.23) returns ["123", 0].
+var formatDecimal = function(x, p) {
+ if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
+ var i, coefficient = x.slice(0, i);
-var noevent = function() {
- exports.event.preventDefault();
- exports.event.stopImmediatePropagation();
+ // The string returned by toExponential either has the form \d\.\d+e[-+]\d+
+ // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
+ return [
+ coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
+ +x.slice(i + 1)
+ ];
};
-var dragDisable = function(view) {
- var root = view.document.documentElement,
- selection$$1 = select(view).on("dragstart.drag", noevent, true);
- if ("onselectstart" in root) {
- selection$$1.on("selectstart.drag", noevent, true);
- } else {
- root.__noselect = root.style.MozUserSelect;
- root.style.MozUserSelect = "none";
- }
+var exponent$1 = function(x) {
+ return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN;
};
-function yesdrag(view, noclick) {
- var root = view.document.documentElement,
- selection$$1 = select(view).on("dragstart.drag", null);
- if (noclick) {
- selection$$1.on("click.drag", noevent, true);
- setTimeout(function() { selection$$1.on("click.drag", null); }, 0);
- }
- if ("onselectstart" in root) {
- selection$$1.on("selectstart.drag", null);
- } else {
- root.style.MozUserSelect = root.__noselect;
- delete root.__noselect;
- }
-}
+var formatGroup = function(grouping, thousands) {
+ return function(value, width) {
+ var i = value.length,
+ t = [],
+ j = 0,
+ g = grouping[0],
+ length = 0;
-var constant$8 = function(x) {
- return function() {
- return x;
- };
-};
-
-function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {
- this.target = target;
- this.type = type;
- this.subject = subject;
- this.identifier = id;
- this.active = active;
- this.x = x;
- this.y = y;
- this.dx = dx;
- this.dy = dy;
- this._ = dispatch;
-}
-
-DragEvent.prototype.on = function() {
- var value = this._.on.apply(this._, arguments);
- return value === this._ ? this : value;
-};
-
-// Ignore right-click, since that should open the context menu.
-function defaultFilter() {
- return !exports.event.button;
-}
-
-function defaultContainer() {
- return this.parentNode;
-}
-
-function defaultSubject(d) {
- return d == null ? {x: exports.event.x, y: exports.event.y} : d;
-}
-
-var drag = function() {
- var filter = defaultFilter,
- container = defaultContainer,
- subject = defaultSubject,
- gestures = {},
- listeners = dispatch("start", "drag", "end"),
- active = 0,
- mousemoving,
- touchending;
-
- function drag(selection$$1) {
- selection$$1
- .on("mousedown.drag", mousedowned)
- .on("touchstart.drag", touchstarted)
- .on("touchmove.drag", touchmoved)
- .on("touchend.drag touchcancel.drag", touchended)
- .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
- }
-
- function mousedowned() {
- if (touchending || !filter.apply(this, arguments)) return;
- var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments);
- if (!gesture) return;
- select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true);
- dragDisable(exports.event.view);
- nopropagation();
- mousemoving = false;
- gesture("start");
- }
-
- function mousemoved() {
- noevent();
- mousemoving = true;
- gestures.mouse("drag");
- }
-
- function mouseupped() {
- select(exports.event.view).on("mousemove.drag mouseup.drag", null);
- yesdrag(exports.event.view, mousemoving);
- noevent();
- gestures.mouse("end");
- }
-
- function touchstarted() {
- if (!filter.apply(this, arguments)) return;
- var touches$$1 = exports.event.changedTouches,
- c = container.apply(this, arguments),
- n = touches$$1.length, i, gesture;
-
- for (i = 0; i < n; ++i) {
- if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) {
- nopropagation();
- gesture("start");
- }
+ while (i > 0 && g > 0) {
+ if (length + g + 1 > width) g = Math.max(1, width - length);
+ t.push(value.substring(i -= g, i + g));
+ if ((length += g + 1) > width) break;
+ g = grouping[j = (j + 1) % grouping.length];
}
- }
- function touchmoved() {
- var touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, gesture;
-
- for (i = 0; i < n; ++i) {
- if (gesture = gestures[touches$$1[i].identifier]) {
- noevent();
- gesture("drag");
- }
- }
- }
-
- function touchended() {
- var touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, gesture;
-
- if (touchending) clearTimeout(touchending);
- touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
- for (i = 0; i < n; ++i) {
- if (gesture = gestures[touches$$1[i].identifier]) {
- nopropagation();
- gesture("end");
- }
- }
- }
-
- function beforestart(id, container, point, that, args) {
- var p = point(container, id), s, dx, dy,
- sublisteners = listeners.copy();
-
- if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
- if ((exports.event.subject = s = subject.apply(that, args)) == null) return false;
- dx = s.x - p[0] || 0;
- dy = s.y - p[1] || 0;
- return true;
- })) return;
-
- return function gesture(type) {
- var p0 = p, n;
- switch (type) {
- case "start": gestures[id] = gesture, n = active++; break;
- case "end": delete gestures[id], --active; // nobreak
- case "drag": p = point(container, id), n = active; break;
- }
- customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);
- };
- }
-
- drag.filter = function(_) {
- return arguments.length ? (filter = typeof _ === "function" ? _ : constant$8(!!_), drag) : filter;
+ return t.reverse().join(thousands);
};
-
- drag.container = function(_) {
- return arguments.length ? (container = typeof _ === "function" ? _ : constant$8(_), drag) : container;
- };
-
- drag.subject = function(_) {
- return arguments.length ? (subject = typeof _ === "function" ? _ : constant$8(_), drag) : subject;
- };
-
- drag.on = function() {
- var value = listeners.on.apply(listeners, arguments);
- return value === listeners ? drag : value;
- };
-
- return drag;
};
-var constant$9 = function(x) {
- return function() {
- return x;
+var formatNumerals = function(numerals) {
+ return function(value) {
+ return value.replace(/[0-9]/g, function(i) {
+ return numerals[+i];
+ });
};
};
-function x$4(d) {
- return d[0];
-}
+var formatDefault = function(x, p) {
+ x = x.toPrecision(p);
-function y$4(d) {
- return d[1];
-}
-
-function RedBlackTree() {
- this._ = null; // root node
-}
-
-function RedBlackNode(node) {
- node.U = // parent node
- node.C = // color - true for red, false for black
- node.L = // left node
- node.R = // right node
- node.P = // previous node
- node.N = null; // next node
-}
-
-RedBlackTree.prototype = {
- constructor: RedBlackTree,
-
- insert: function(after, node) {
- var parent, grandpa, uncle;
-
- if (after) {
- node.P = after;
- node.N = after.N;
- if (after.N) after.N.P = node;
- after.N = node;
- if (after.R) {
- after = after.R;
- while (after.L) after = after.L;
- after.L = node;
- } else {
- after.R = node;
- }
- parent = after;
- } else if (this._) {
- after = RedBlackFirst(this._);
- node.P = null;
- node.N = after;
- after.P = after.L = node;
- parent = after;
- } else {
- node.P = node.N = null;
- this._ = node;
- parent = null;
+ out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
+ switch (x[i]) {
+ case ".": i0 = i1 = i; break;
+ case "0": if (i0 === 0) i0 = i; i1 = i; break;
+ case "e": break out;
+ default: if (i0 > 0) i0 = 0; break;
}
- node.L = node.R = null;
- node.U = parent;
- node.C = true;
-
- after = node;
- while (parent && parent.C) {
- grandpa = parent.U;
- if (parent === grandpa.L) {
- uncle = grandpa.R;
- if (uncle && uncle.C) {
- parent.C = uncle.C = false;
- grandpa.C = true;
- after = grandpa;
- } else {
- if (after === parent.R) {
- RedBlackRotateLeft(this, parent);
- after = parent;
- parent = after.U;
- }
- parent.C = false;
- grandpa.C = true;
- RedBlackRotateRight(this, grandpa);
- }
- } else {
- uncle = grandpa.L;
- if (uncle && uncle.C) {
- parent.C = uncle.C = false;
- grandpa.C = true;
- after = grandpa;
- } else {
- if (after === parent.L) {
- RedBlackRotateRight(this, parent);
- after = parent;
- parent = after.U;
- }
- parent.C = false;
- grandpa.C = true;
- RedBlackRotateLeft(this, grandpa);
- }
- }
- parent = after.U;
- }
- this._.C = false;
- },
-
- remove: function(node) {
- if (node.N) node.N.P = node.P;
- if (node.P) node.P.N = node.N;
- node.N = node.P = null;
-
- var parent = node.U,
- sibling,
- left = node.L,
- right = node.R,
- next,
- red;
-
- if (!left) next = right;
- else if (!right) next = left;
- else next = RedBlackFirst(right);
-
- if (parent) {
- if (parent.L === node) parent.L = next;
- else parent.R = next;
- } else {
- this._ = next;
- }
-
- if (left && right) {
- red = next.C;
- next.C = node.C;
- next.L = left;
- left.U = next;
- if (next !== right) {
- parent = next.U;
- next.U = node.U;
- node = next.R;
- parent.L = node;
- next.R = right;
- right.U = next;
- } else {
- next.U = parent;
- parent = next;
- node = next.R;
- }
- } else {
- red = node.C;
- node = next;
- }
-
- if (node) node.U = parent;
- if (red) return;
- if (node && node.C) { node.C = false; return; }
-
- do {
- if (node === this._) break;
- if (node === parent.L) {
- sibling = parent.R;
- if (sibling.C) {
- sibling.C = false;
- parent.C = true;
- RedBlackRotateLeft(this, parent);
- sibling = parent.R;
- }
- if ((sibling.L && sibling.L.C)
- || (sibling.R && sibling.R.C)) {
- if (!sibling.R || !sibling.R.C) {
- sibling.L.C = false;
- sibling.C = true;
- RedBlackRotateRight(this, sibling);
- sibling = parent.R;
- }
- sibling.C = parent.C;
- parent.C = sibling.R.C = false;
- RedBlackRotateLeft(this, parent);
- node = this._;
- break;
- }
- } else {
- sibling = parent.L;
- if (sibling.C) {
- sibling.C = false;
- parent.C = true;
- RedBlackRotateRight(this, parent);
- sibling = parent.L;
- }
- if ((sibling.L && sibling.L.C)
- || (sibling.R && sibling.R.C)) {
- if (!sibling.L || !sibling.L.C) {
- sibling.R.C = false;
- sibling.C = true;
- RedBlackRotateLeft(this, sibling);
- sibling = parent.L;
- }
- sibling.C = parent.C;
- parent.C = sibling.L.C = false;
- RedBlackRotateRight(this, parent);
- node = this._;
- break;
- }
- }
- sibling.C = true;
- node = parent;
- parent = parent.U;
- } while (!node.C);
-
- if (node) node.C = false;
}
-};
-function RedBlackRotateLeft(tree, node) {
- var p = node,
- q = node.R,
- parent = p.U;
-
- if (parent) {
- if (parent.L === p) parent.L = q;
- else parent.R = q;
- } else {
- tree._ = q;
- }
-
- q.U = parent;
- p.U = q;
- p.R = q.L;
- if (p.R) p.R.U = p;
- q.L = p;
-}
-
-function RedBlackRotateRight(tree, node) {
- var p = node,
- q = node.L,
- parent = p.U;
-
- if (parent) {
- if (parent.L === p) parent.L = q;
- else parent.R = q;
- } else {
- tree._ = q;
- }
-
- q.U = parent;
- p.U = q;
- p.L = q.R;
- if (p.L) p.L.U = p;
- q.R = p;
-}
-
-function RedBlackFirst(node) {
- while (node.L) node = node.L;
- return node;
-}
-
-function createEdge(left, right, v0, v1) {
- var edge = [null, null],
- index = edges.push(edge) - 1;
- edge.left = left;
- edge.right = right;
- if (v0) setEdgeEnd(edge, left, right, v0);
- if (v1) setEdgeEnd(edge, right, left, v1);
- cells[left.index].halfedges.push(index);
- cells[right.index].halfedges.push(index);
- return edge;
-}
-
-function createBorderEdge(left, v0, v1) {
- var edge = [v0, v1];
- edge.left = left;
- return edge;
-}
-
-function setEdgeEnd(edge, left, right, vertex) {
- if (!edge[0] && !edge[1]) {
- edge[0] = vertex;
- edge.left = left;
- edge.right = right;
- } else if (edge.left === right) {
- edge[1] = vertex;
- } else {
- edge[0] = vertex;
- }
-}
-
-// Liang–Barsky line clipping.
-function clipEdge(edge, x0, y0, x1, y1) {
- var a = edge[0],
- b = edge[1],
- ax = a[0],
- ay = a[1],
- bx = b[0],
- by = b[1],
- t0 = 0,
- t1 = 1,
- dx = bx - ax,
- dy = by - ay,
- r;
-
- r = x0 - ax;
- if (!dx && r > 0) return;
- r /= dx;
- if (dx < 0) {
- if (r < t0) return;
- if (r < t1) t1 = r;
- } else if (dx > 0) {
- if (r > t1) return;
- if (r > t0) t0 = r;
- }
-
- r = x1 - ax;
- if (!dx && r < 0) return;
- r /= dx;
- if (dx < 0) {
- if (r > t1) return;
- if (r > t0) t0 = r;
- } else if (dx > 0) {
- if (r < t0) return;
- if (r < t1) t1 = r;
- }
-
- r = y0 - ay;
- if (!dy && r > 0) return;
- r /= dy;
- if (dy < 0) {
- if (r < t0) return;
- if (r < t1) t1 = r;
- } else if (dy > 0) {
- if (r > t1) return;
- if (r > t0) t0 = r;
- }
-
- r = y1 - ay;
- if (!dy && r < 0) return;
- r /= dy;
- if (dy < 0) {
- if (r > t1) return;
- if (r > t0) t0 = r;
- } else if (dy > 0) {
- if (r < t0) return;
- if (r < t1) t1 = r;
- }
-
- if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check?
-
- if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy];
- if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy];
- return true;
-}
-
-function connectEdge(edge, x0, y0, x1, y1) {
- var v1 = edge[1];
- if (v1) return true;
-
- var v0 = edge[0],
- left = edge.left,
- right = edge.right,
- lx = left[0],
- ly = left[1],
- rx = right[0],
- ry = right[1],
- fx = (lx + rx) / 2,
- fy = (ly + ry) / 2,
- fm,
- fb;
-
- if (ry === ly) {
- if (fx < x0 || fx >= x1) return;
- if (lx > rx) {
- if (!v0) v0 = [fx, y0];
- else if (v0[1] >= y1) return;
- v1 = [fx, y1];
- } else {
- if (!v0) v0 = [fx, y1];
- else if (v0[1] < y0) return;
- v1 = [fx, y0];
- }
- } else {
- fm = (lx - rx) / (ry - ly);
- fb = fy - fm * fx;
- if (fm < -1 || fm > 1) {
- if (lx > rx) {
- if (!v0) v0 = [(y0 - fb) / fm, y0];
- else if (v0[1] >= y1) return;
- v1 = [(y1 - fb) / fm, y1];
- } else {
- if (!v0) v0 = [(y1 - fb) / fm, y1];
- else if (v0[1] < y0) return;
- v1 = [(y0 - fb) / fm, y0];
- }
- } else {
- if (ly < ry) {
- if (!v0) v0 = [x0, fm * x0 + fb];
- else if (v0[0] >= x1) return;
- v1 = [x1, fm * x1 + fb];
- } else {
- if (!v0) v0 = [x1, fm * x1 + fb];
- else if (v0[0] < x0) return;
- v1 = [x0, fm * x0 + fb];
- }
- }
- }
-
- edge[0] = v0;
- edge[1] = v1;
- return true;
-}
-
-function clipEdges(x0, y0, x1, y1) {
- var i = edges.length,
- edge;
-
- while (i--) {
- if (!connectEdge(edge = edges[i], x0, y0, x1, y1)
- || !clipEdge(edge, x0, y0, x1, y1)
- || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3
- || Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) {
- delete edges[i];
- }
- }
-}
-
-function createCell(site) {
- return cells[site.index] = {
- site: site,
- halfedges: []
- };
-}
-
-function cellHalfedgeAngle(cell, edge) {
- var site = cell.site,
- va = edge.left,
- vb = edge.right;
- if (site === vb) vb = va, va = site;
- if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]);
- if (site === va) va = edge[1], vb = edge[0];
- else va = edge[0], vb = edge[1];
- return Math.atan2(va[0] - vb[0], vb[1] - va[1]);
-}
-
-function cellHalfedgeStart(cell, edge) {
- return edge[+(edge.left !== cell.site)];
-}
-
-function cellHalfedgeEnd(cell, edge) {
- return edge[+(edge.left === cell.site)];
-}
-
-function sortCellHalfedges() {
- for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) {
- if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) {
- var index = new Array(m),
- array = new Array(m);
- for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]);
- index.sort(function(i, j) { return array[j] - array[i]; });
- for (j = 0; j < m; ++j) array[j] = halfedges[index[j]];
- for (j = 0; j < m; ++j) halfedges[j] = array[j];
- }
- }
-}
-
-function clipCells(x0, y0, x1, y1) {
- var nCells = cells.length,
- iCell,
- cell,
- site,
- iHalfedge,
- halfedges,
- nHalfedges,
- start,
- startX,
- startY,
- end,
- endX,
- endY,
- cover = true;
-
- for (iCell = 0; iCell < nCells; ++iCell) {
- if (cell = cells[iCell]) {
- site = cell.site;
- halfedges = cell.halfedges;
- iHalfedge = halfedges.length;
-
- // Remove any dangling clipped edges.
- while (iHalfedge--) {
- if (!edges[halfedges[iHalfedge]]) {
- halfedges.splice(iHalfedge, 1);
- }
- }
-
- // Insert any border edges as necessary.
- iHalfedge = 0, nHalfedges = halfedges.length;
- while (iHalfedge < nHalfedges) {
- end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1];
- start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1];
- if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) {
- halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end,
- Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1]
- : Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1]
- : Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0]
- : Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0]
- : null)) - 1);
- ++nHalfedges;
- }
- }
-
- if (nHalfedges) cover = false;
- }
- }
-
- // If there weren’t any edges, have the closest site cover the extent.
- // It doesn’t matter which corner of the extent we measure!
- if (cover) {
- var dx, dy, d2, dc = Infinity;
-
- for (iCell = 0, cover = null; iCell < nCells; ++iCell) {
- if (cell = cells[iCell]) {
- site = cell.site;
- dx = site[0] - x0;
- dy = site[1] - y0;
- d2 = dx * dx + dy * dy;
- if (d2 < dc) dc = d2, cover = cell;
- }
- }
-
- if (cover) {
- var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0];
- cover.halfedges.push(
- edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1,
- edges.push(createBorderEdge(site, v01, v11)) - 1,
- edges.push(createBorderEdge(site, v11, v10)) - 1,
- edges.push(createBorderEdge(site, v10, v00)) - 1
- );
- }
- }
-
- // Lastly delete any cells with no edges; these were entirely clipped.
- for (iCell = 0; iCell < nCells; ++iCell) {
- if (cell = cells[iCell]) {
- if (!cell.halfedges.length) {
- delete cells[iCell];
- }
- }
- }
-}
-
-var circlePool = [];
-
-var firstCircle;
-
-function Circle() {
- RedBlackNode(this);
- this.x =
- this.y =
- this.arc =
- this.site =
- this.cy = null;
-}
-
-function attachCircle(arc) {
- var lArc = arc.P,
- rArc = arc.N;
-
- if (!lArc || !rArc) return;
-
- var lSite = lArc.site,
- cSite = arc.site,
- rSite = rArc.site;
-
- if (lSite === rSite) return;
-
- var bx = cSite[0],
- by = cSite[1],
- ax = lSite[0] - bx,
- ay = lSite[1] - by,
- cx = rSite[0] - bx,
- cy = rSite[1] - by;
-
- var d = 2 * (ax * cy - ay * cx);
- if (d >= -epsilon2$1) return;
-
- var ha = ax * ax + ay * ay,
- hc = cx * cx + cy * cy,
- x = (cy * ha - ay * hc) / d,
- y = (ax * hc - cx * ha) / d;
-
- var circle = circlePool.pop() || new Circle;
- circle.arc = arc;
- circle.site = cSite;
- circle.x = x + bx;
- circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom
-
- arc.circle = circle;
-
- var before = null,
- node = circles._;
-
- while (node) {
- if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) {
- if (node.L) node = node.L;
- else { before = node.P; break; }
- } else {
- if (node.R) node = node.R;
- else { before = node; break; }
- }
- }
-
- circles.insert(before, circle);
- if (!before) firstCircle = circle;
-}
-
-function detachCircle(arc) {
- var circle = arc.circle;
- if (circle) {
- if (!circle.P) firstCircle = circle.N;
- circles.remove(circle);
- circlePool.push(circle);
- RedBlackNode(circle);
- arc.circle = null;
- }
-}
-
-var beachPool = [];
-
-function Beach() {
- RedBlackNode(this);
- this.edge =
- this.site =
- this.circle = null;
-}
-
-function createBeach(site) {
- var beach = beachPool.pop() || new Beach;
- beach.site = site;
- return beach;
-}
-
-function detachBeach(beach) {
- detachCircle(beach);
- beaches.remove(beach);
- beachPool.push(beach);
- RedBlackNode(beach);
-}
-
-function removeBeach(beach) {
- var circle = beach.circle,
- x = circle.x,
- y = circle.cy,
- vertex = [x, y],
- previous = beach.P,
- next = beach.N,
- disappearing = [beach];
-
- detachBeach(beach);
-
- var lArc = previous;
- while (lArc.circle
- && Math.abs(x - lArc.circle.x) < epsilon$3
- && Math.abs(y - lArc.circle.cy) < epsilon$3) {
- previous = lArc.P;
- disappearing.unshift(lArc);
- detachBeach(lArc);
- lArc = previous;
- }
-
- disappearing.unshift(lArc);
- detachCircle(lArc);
-
- var rArc = next;
- while (rArc.circle
- && Math.abs(x - rArc.circle.x) < epsilon$3
- && Math.abs(y - rArc.circle.cy) < epsilon$3) {
- next = rArc.N;
- disappearing.push(rArc);
- detachBeach(rArc);
- rArc = next;
- }
-
- disappearing.push(rArc);
- detachCircle(rArc);
-
- var nArcs = disappearing.length,
- iArc;
- for (iArc = 1; iArc < nArcs; ++iArc) {
- rArc = disappearing[iArc];
- lArc = disappearing[iArc - 1];
- setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
- }
-
- lArc = disappearing[0];
- rArc = disappearing[nArcs - 1];
- rArc.edge = createEdge(lArc.site, rArc.site, null, vertex);
-
- attachCircle(lArc);
- attachCircle(rArc);
-}
-
-function addBeach(site) {
- var x = site[0],
- directrix = site[1],
- lArc,
- rArc,
- dxl,
- dxr,
- node = beaches._;
-
- while (node) {
- dxl = leftBreakPoint(node, directrix) - x;
- if (dxl > epsilon$3) node = node.L; else {
- dxr = x - rightBreakPoint(node, directrix);
- if (dxr > epsilon$3) {
- if (!node.R) {
- lArc = node;
- break;
- }
- node = node.R;
- } else {
- if (dxl > -epsilon$3) {
- lArc = node.P;
- rArc = node;
- } else if (dxr > -epsilon$3) {
- lArc = node;
- rArc = node.N;
- } else {
- lArc = rArc = node;
- }
- break;
- }
- }
- }
-
- createCell(site);
- var newArc = createBeach(site);
- beaches.insert(lArc, newArc);
-
- if (!lArc && !rArc) return;
-
- if (lArc === rArc) {
- detachCircle(lArc);
- rArc = createBeach(lArc.site);
- beaches.insert(newArc, rArc);
- newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site);
- attachCircle(lArc);
- attachCircle(rArc);
- return;
- }
-
- if (!rArc) { // && lArc
- newArc.edge = createEdge(lArc.site, newArc.site);
- return;
- }
-
- // else lArc !== rArc
- detachCircle(lArc);
- detachCircle(rArc);
-
- var lSite = lArc.site,
- ax = lSite[0],
- ay = lSite[1],
- bx = site[0] - ax,
- by = site[1] - ay,
- rSite = rArc.site,
- cx = rSite[0] - ax,
- cy = rSite[1] - ay,
- d = 2 * (bx * cy - by * cx),
- hb = bx * bx + by * by,
- hc = cx * cx + cy * cy,
- vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay];
-
- setEdgeEnd(rArc.edge, lSite, rSite, vertex);
- newArc.edge = createEdge(lSite, site, null, vertex);
- rArc.edge = createEdge(site, rSite, null, vertex);
- attachCircle(lArc);
- attachCircle(rArc);
-}
-
-function leftBreakPoint(arc, directrix) {
- var site = arc.site,
- rfocx = site[0],
- rfocy = site[1],
- pby2 = rfocy - directrix;
-
- if (!pby2) return rfocx;
-
- var lArc = arc.P;
- if (!lArc) return -Infinity;
-
- site = lArc.site;
- var lfocx = site[0],
- lfocy = site[1],
- plby2 = lfocy - directrix;
-
- if (!plby2) return lfocx;
-
- var hl = lfocx - rfocx,
- aby2 = 1 / pby2 - 1 / plby2,
- b = hl / plby2;
-
- if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
-
- return (rfocx + lfocx) / 2;
-}
-
-function rightBreakPoint(arc, directrix) {
- var rArc = arc.N;
- if (rArc) return leftBreakPoint(rArc, directrix);
- var site = arc.site;
- return site[1] === directrix ? site[0] : Infinity;
-}
-
-var epsilon$3 = 1e-6;
-var epsilon2$1 = 1e-12;
-var beaches;
-var cells;
-var circles;
-var edges;
-
-function triangleArea(a, b, c) {
- return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]);
-}
-
-function lexicographic(a, b) {
- return b[1] - a[1]
- || b[0] - a[0];
-}
-
-function Diagram(sites, extent) {
- var site = sites.sort(lexicographic).pop(),
- x,
- y,
- circle;
-
- edges = [];
- cells = new Array(sites.length);
- beaches = new RedBlackTree;
- circles = new RedBlackTree;
-
- while (true) {
- circle = firstCircle;
- if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) {
- if (site[0] !== x || site[1] !== y) {
- addBeach(site);
- x = site[0], y = site[1];
- }
- site = sites.pop();
- } else if (circle) {
- removeBeach(circle.arc);
- } else {
- break;
- }
- }
-
- sortCellHalfedges();
-
- if (extent) {
- var x0 = +extent[0][0],
- y0 = +extent[0][1],
- x1 = +extent[1][0],
- y1 = +extent[1][1];
- clipEdges(x0, y0, x1, y1);
- clipCells(x0, y0, x1, y1);
- }
-
- this.edges = edges;
- this.cells = cells;
-
- beaches =
- circles =
- edges =
- cells = null;
-}
-
-Diagram.prototype = {
- constructor: Diagram,
-
- polygons: function() {
- var edges = this.edges;
-
- return this.cells.map(function(cell) {
- var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); });
- polygon.data = cell.site.data;
- return polygon;
- });
- },
-
- triangles: function() {
- var triangles = [],
- edges = this.edges;
-
- this.cells.forEach(function(cell, i) {
- var site = cell.site,
- halfedges = cell.halfedges,
- j = -1,
- m = halfedges.length,
- s0,
- e1 = edges[halfedges[m - 1]],
- s1 = e1.left === site ? e1.right : e1.left;
-
- while (++j < m) {
- s0 = s1;
- e1 = edges[halfedges[j]];
- s1 = e1.left === site ? e1.right : e1.left;
- if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) {
- triangles.push([site.data, s0.data, s1.data]);
- }
- }
- });
-
- return triangles;
- },
-
- links: function() {
- return this.edges.filter(function(edge) {
- return edge.right;
- }).map(function(edge) {
- return {
- source: edge.left.data,
- target: edge.right.data
- };
- });
- },
-
- find: function(x, y, radius) {
- var that = this,
- i0, i1 = that._found || 0,
- cell = that.cells[i1] || that.cells[i1 = 0],
- dx = x - cell.site[0],
- dy = y - cell.site[1],
- d2 = dx * dx + dy * dy;
-
- do {
- cell = that.cells[i0 = i1], i1 = null;
- cell.halfedges.forEach(function(e) {
- var edge = that.edges[e], v = edge.left;
- if ((v === cell.site || !v) && !(v = edge.right)) return;
- var vx = x - v[0],
- vy = y - v[1],
- v2 = vx * vx + vy * vy;
- if (v2 < d2) d2 = v2, i1 = v.index;
- });
- } while (i1 !== null);
-
- that._found = i0;
-
- return radius == null || d2 <= radius * radius ? cell.site : null;
- }
+ return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
};
-var voronoi = function() {
- var x$$1 = x$4,
- y$$1 = y$4,
- extent = null;
+var prefixExponent;
- function voronoi(data) {
- return new Diagram(data.map(function(d, i) {
- var s = [Math.round(x$$1(d, i, data) / epsilon$3) * epsilon$3, Math.round(y$$1(d, i, data) / epsilon$3) * epsilon$3];
- s.index = i;
- s.data = d;
- return s;
- }), extent);
- }
-
- voronoi.polygons = function(data) {
- return voronoi(data).polygons();
- };
-
- voronoi.links = function(data) {
- return voronoi(data).links();
- };
-
- voronoi.triangles = function(data) {
- return voronoi(data).triangles();
- };
-
- voronoi.x = function(_) {
- return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : x$$1;
- };
-
- voronoi.y = function(_) {
- return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$9(+_), voronoi) : y$$1;
- };
-
- voronoi.extent = function(_) {
- return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]];
- };
-
- voronoi.size = function(_) {
- return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]];
- };
-
- return voronoi;
+var formatPrefixAuto = function(x, p) {
+ var d = formatDecimal(x, p);
+ if (!d) return x + "";
+ var coefficient = d[0],
+ exponent = d[1],
+ i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
+ n = coefficient.length;
+ return i === n ? coefficient
+ : i > n ? coefficient + new Array(i - n + 1).join("0")
+ : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
+ : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y!
};
-var constant$10 = function(x) {
- return function() {
- return x;
- };
+var formatRounded = function(x, p) {
+ var d = formatDecimal(x, p);
+ if (!d) return x + "";
+ var coefficient = d[0],
+ exponent = d[1];
+ return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
+ : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
+ : coefficient + new Array(exponent - coefficient.length + 2).join("0");
};
-function ZoomEvent(target, type, transform) {
- this.target = target;
- this.type = type;
- this.transform = transform;
-}
-
-function Transform(k, x, y) {
- this.k = k;
- this.x = x;
- this.y = y;
-}
-
-Transform.prototype = {
- constructor: Transform,
- scale: function(k) {
- return k === 1 ? this : new Transform(this.k * k, this.x, this.y);
- },
- translate: function(x, y) {
- return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y);
- },
- apply: function(point) {
- return [point[0] * this.k + this.x, point[1] * this.k + this.y];
- },
- applyX: function(x) {
- return x * this.k + this.x;
- },
- applyY: function(y) {
- return y * this.k + this.y;
- },
- invert: function(location) {
- return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k];
- },
- invertX: function(x) {
- return (x - this.x) / this.k;
- },
- invertY: function(y) {
- return (y - this.y) / this.k;
- },
- rescaleX: function(x) {
- return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x));
- },
- rescaleY: function(y) {
- return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y));
- },
- toString: function() {
- return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")";
- }
+var formatTypes = {
+ "": formatDefault,
+ "%": function(x, p) { return (x * 100).toFixed(p); },
+ "b": function(x) { return Math.round(x).toString(2); },
+ "c": function(x) { return x + ""; },
+ "d": function(x) { return Math.round(x).toString(10); },
+ "e": function(x, p) { return x.toExponential(p); },
+ "f": function(x, p) { return x.toFixed(p); },
+ "g": function(x, p) { return x.toPrecision(p); },
+ "o": function(x) { return Math.round(x).toString(8); },
+ "p": function(x, p) { return formatRounded(x * 100, p); },
+ "r": formatRounded,
+ "s": formatPrefixAuto,
+ "X": function(x) { return Math.round(x).toString(16).toUpperCase(); },
+ "x": function(x) { return Math.round(x).toString(16); }
};
-var identity$6 = new Transform(1, 0, 0);
+// [[fill]align][sign][symbol][0][width][,][.precision][type]
+var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i;
-transform.prototype = Transform.prototype;
-
-function transform(node) {
- return node.__zoom || identity$6;
+function formatSpecifier(specifier) {
+ return new FormatSpecifier(specifier);
}
-function nopropagation$1() {
- exports.event.stopImmediatePropagation();
-}
+formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
-var noevent$1 = function() {
- exports.event.preventDefault();
- exports.event.stopImmediatePropagation();
-};
+function FormatSpecifier(specifier) {
+ if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
-// Ignore right-click, since that should open the context menu.
-function defaultFilter$1() {
- return !exports.event.button;
-}
+ var match,
+ fill = match[1] || " ",
+ align = match[2] || ">",
+ sign = match[3] || "-",
+ symbol = match[4] || "",
+ zero = !!match[5],
+ width = match[6] && +match[6],
+ comma = !!match[7],
+ precision = match[8] && +match[8].slice(1),
+ type = match[9] || "";
-function defaultExtent() {
- var e = this, w, h;
- if (e instanceof SVGElement) {
- e = e.ownerSVGElement || e;
- w = e.width.baseVal.value;
- h = e.height.baseVal.value;
- } else {
- w = e.clientWidth;
- h = e.clientHeight;
- }
- return [[0, 0], [w, h]];
-}
+ // The "n" type is an alias for ",g".
+ if (type === "n") comma = true, type = "g";
-function defaultTransform() {
- return this.__zoom || identity$6;
-}
+ // Map invalid types to the default format.
+ else if (!formatTypes[type]) type = "";
-var zoom = function() {
- var filter = defaultFilter$1,
- extent = defaultExtent,
- k0 = 0,
- k1 = Infinity,
- x0 = -k1,
- x1 = k1,
- y0 = x0,
- y1 = x1,
- duration = 250,
- gestures = [],
- listeners = dispatch("start", "zoom", "end"),
- touchstarting,
- touchending,
- touchDelay = 500,
- wheelDelay = 150;
+ // If zero fill is specified, padding goes after sign and before digits.
+ if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
- function zoom(selection$$1) {
- selection$$1
- .on("wheel.zoom", wheeled)
- .on("mousedown.zoom", mousedowned)
- .on("dblclick.zoom", dblclicked)
- .on("touchstart.zoom", touchstarted)
- .on("touchmove.zoom", touchmoved)
- .on("touchend.zoom touchcancel.zoom", touchended)
- .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
- .property("__zoom", defaultTransform);
- }
-
- zoom.transform = function(collection, transform) {
- var selection$$1 = collection.selection ? collection.selection() : collection;
- selection$$1.property("__zoom", defaultTransform);
- if (collection !== selection$$1) {
- schedule(collection, transform);
- } else {
- selection$$1.interrupt().each(function() {
- gesture(this, arguments)
- .start()
- .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform)
- .end();
- });
- }
- };
-
- zoom.scaleBy = function(selection$$1, k) {
- zoom.scaleTo(selection$$1, function() {
- var k0 = this.__zoom.k,
- k1 = typeof k === "function" ? k.apply(this, arguments) : k;
- return k0 * k1;
- });
- };
-
- zoom.scaleTo = function(selection$$1, k) {
- zoom.transform(selection$$1, function() {
- var e = extent.apply(this, arguments),
- t0 = this.__zoom,
- p0 = centroid(e),
- p1 = t0.invert(p0),
- k1 = typeof k === "function" ? k.apply(this, arguments) : k;
- return constrain(translate(scale(t0, k1), p0, p1), e);
- });
- };
-
- zoom.translateBy = function(selection$$1, x, y) {
- zoom.transform(selection$$1, function() {
- return constrain(this.__zoom.translate(
- typeof x === "function" ? x.apply(this, arguments) : x,
- typeof y === "function" ? y.apply(this, arguments) : y
- ), extent.apply(this, arguments));
- });
- };
-
- function scale(transform, k) {
- k = Math.max(k0, Math.min(k1, k));
- return k === transform.k ? transform : new Transform(k, transform.x, transform.y);
- }
-
- function translate(transform, p0, p1) {
- var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;
- return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);
- }
-
- function constrain(transform, extent) {
- var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1),
- dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1);
- return dx || dy ? transform.translate(dx, dy) : transform;
- }
-
- function centroid(extent) {
- return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];
- }
-
- function schedule(transition$$1, transform, center) {
- transition$$1
- .on("start.zoom", function() { gesture(this, arguments).start(); })
- .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); })
- .tween("zoom", function() {
- var that = this,
- args = arguments,
- g = gesture(that, args),
- e = extent.apply(that, args),
- p = center || centroid(e),
- w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]),
- a = that.__zoom,
- b = typeof transform === "function" ? transform.apply(that, args) : transform,
- i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
- return function(t) {
- if (t === 1) t = b; // Avoid rounding error on end.
- else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); }
- g.zoom(null, t);
- };
- });
- }
-
- function gesture(that, args) {
- for (var i = 0, n = gestures.length, g; i < n; ++i) {
- if ((g = gestures[i]).that === that) {
- return g;
- }
- }
- return new Gesture(that, args);
- }
-
- function Gesture(that, args) {
- this.that = that;
- this.args = args;
- this.index = -1;
- this.active = 0;
- this.extent = extent.apply(that, args);
- }
-
- Gesture.prototype = {
- start: function() {
- if (++this.active === 1) {
- this.index = gestures.push(this) - 1;
- this.emit("start");
- }
- return this;
- },
- zoom: function(key, transform) {
- if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]);
- if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]);
- if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]);
- this.that.__zoom = transform;
- this.emit("zoom");
- return this;
- },
- end: function() {
- if (--this.active === 0) {
- gestures.splice(this.index, 1);
- this.index = -1;
- this.emit("end");
- }
- return this;
- },
- emit: function(type) {
- customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]);
- }
- };
-
- function wheeled() {
- if (!filter.apply(this, arguments)) return;
- var g = gesture(this, arguments),
- t = this.__zoom,
- k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))),
- p = mouse(this);
-
- // If the mouse is in the same location as before, reuse it.
- // If there were recent wheel events, reset the wheel idle timeout.
- if (g.wheel) {
- if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
- g.mouse[1] = t.invert(g.mouse[0] = p);
- }
- clearTimeout(g.wheel);
- }
-
- // If this wheel event won’t trigger a transform change, ignore it.
- else if (t.k === k) return;
-
- // Otherwise, capture the mouse point and location at the start.
- else {
- g.mouse = [p, t.invert(p)];
- interrupt(this);
- g.start();
- }
-
- noevent$1();
- g.wheel = setTimeout(wheelidled, wheelDelay);
- g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent));
-
- function wheelidled() {
- g.wheel = null;
- g.end();
- }
- }
-
- function mousedowned() {
- if (touchending || !filter.apply(this, arguments)) return;
- var g = gesture(this, arguments),
- v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true),
- p = mouse(this);
-
- dragDisable(exports.event.view);
- nopropagation$1();
- g.mouse = [p, this.__zoom.invert(p)];
- interrupt(this);
- g.start();
-
- function mousemoved() {
- noevent$1();
- g.moved = true;
- g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent));
- }
-
- function mouseupped() {
- v.on("mousemove.zoom mouseup.zoom", null);
- yesdrag(exports.event.view, g.moved);
- noevent$1();
- g.end();
- }
- }
-
- function dblclicked() {
- if (!filter.apply(this, arguments)) return;
- var t0 = this.__zoom,
- p0 = mouse(this),
- p1 = t0.invert(p0),
- k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2),
- t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments));
-
- noevent$1();
- if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0);
- else select(this).call(zoom.transform, t1);
- }
-
- function touchstarted() {
- if (!filter.apply(this, arguments)) return;
- var g = gesture(this, arguments),
- touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, t, p;
-
- nopropagation$1();
- for (i = 0; i < n; ++i) {
- t = touches$$1[i], p = touch(this, touches$$1, t.identifier);
- p = [p, this.__zoom.invert(p), t.identifier];
- if (!g.touch0) g.touch0 = p;
- else if (!g.touch1) g.touch1 = p;
- }
- if (touchstarting) {
- touchstarting = clearTimeout(touchstarting);
- if (!g.touch1) return g.end(), dblclicked.apply(this, arguments);
- }
- if (exports.event.touches.length === n) {
- touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay);
- interrupt(this);
- g.start();
- }
- }
-
- function touchmoved() {
- var g = gesture(this, arguments),
- touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, t, p, l;
-
- noevent$1();
- if (touchstarting) touchstarting = clearTimeout(touchstarting);
- for (i = 0; i < n; ++i) {
- t = touches$$1[i], p = touch(this, touches$$1, t.identifier);
- if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p;
- else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p;
- }
- t = g.that.__zoom;
- if (g.touch1) {
- var p0 = g.touch0[0], l0 = g.touch0[1],
- p1 = g.touch1[0], l1 = g.touch1[1],
- dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp,
- dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
- t = scale(t, Math.sqrt(dp / dl));
- p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
- l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
- }
- else if (g.touch0) p = g.touch0[0], l = g.touch0[1];
- else return;
- g.zoom("touch", constrain(translate(t, p, l), g.extent));
- }
-
- function touchended() {
- var g = gesture(this, arguments),
- touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, t;
-
- nopropagation$1();
- if (touchending) clearTimeout(touchending);
- touchending = setTimeout(function() { touchending = null; }, touchDelay);
- for (i = 0; i < n; ++i) {
- t = touches$$1[i];
- if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0;
- else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1;
- }
- if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1;
- if (!g.touch0) g.end();
- }
-
- zoom.filter = function(_) {
- return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), zoom) : filter;
- };
-
- zoom.extent = function(_) {
- return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
- };
-
- zoom.scaleExtent = function(_) {
- return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1];
- };
-
- zoom.translateExtent = function(_) {
- return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]];
- };
-
- zoom.duration = function(_) {
- return arguments.length ? (duration = +_, zoom) : duration;
- };
-
- zoom.on = function() {
- var value = listeners.on.apply(listeners, arguments);
- return value === listeners ? zoom : value;
- };
-
- return zoom;
-};
-
-var constant$11 = function(x) {
- return function() {
- return x;
- };
-};
-
-var BrushEvent = function(target, type, selection) {
- this.target = target;
+ this.fill = fill;
+ this.align = align;
+ this.sign = sign;
+ this.symbol = symbol;
+ this.zero = zero;
+ this.width = width;
+ this.comma = comma;
+ this.precision = precision;
this.type = type;
- this.selection = selection;
-};
-
-function nopropagation$2() {
- exports.event.stopImmediatePropagation();
}
-var noevent$2 = function() {
- exports.event.preventDefault();
- exports.event.stopImmediatePropagation();
+FormatSpecifier.prototype.toString = function() {
+ return this.fill
+ + this.align
+ + this.sign
+ + this.symbol
+ + (this.zero ? "0" : "")
+ + (this.width == null ? "" : Math.max(1, this.width | 0))
+ + (this.comma ? "," : "")
+ + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0))
+ + this.type;
};
-var MODE_DRAG = {name: "drag"};
-var MODE_SPACE = {name: "space"};
-var MODE_HANDLE = {name: "handle"};
-var MODE_CENTER = {name: "center"};
-
-var X = {
- name: "x",
- handles: ["e", "w"].map(type$1),
- input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; },
- output: function(xy) { return xy && [xy[0][0], xy[1][0]]; }
+var identity$3 = function(x) {
+ return x;
};
-var Y = {
- name: "y",
- handles: ["n", "s"].map(type$1),
- input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; },
- output: function(xy) { return xy && [xy[0][1], xy[1][1]]; }
-};
+var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"];
-var XY = {
- name: "xy",
- handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1),
- input: function(xy) { return xy; },
- output: function(xy) { return xy; }
-};
+var formatLocale = function(locale) {
+ var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3,
+ currency = locale.currency,
+ decimal = locale.decimal,
+ numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3;
-var cursors = {
- overlay: "crosshair",
- selection: "move",
- n: "ns-resize",
- e: "ew-resize",
- s: "ns-resize",
- w: "ew-resize",
- nw: "nwse-resize",
- ne: "nesw-resize",
- se: "nwse-resize",
- sw: "nesw-resize"
-};
+ function newFormat(specifier) {
+ specifier = formatSpecifier(specifier);
-var flipX = {
- e: "w",
- w: "e",
- nw: "ne",
- ne: "nw",
- se: "sw",
- sw: "se"
-};
+ var fill = specifier.fill,
+ align = specifier.align,
+ sign = specifier.sign,
+ symbol = specifier.symbol,
+ zero = specifier.zero,
+ width = specifier.width,
+ comma = specifier.comma,
+ precision = specifier.precision,
+ type = specifier.type;
-var flipY = {
- n: "s",
- s: "n",
- nw: "sw",
- ne: "se",
- se: "ne",
- sw: "nw"
-};
+ // Compute the prefix and suffix.
+ // For SI-prefix, the suffix is lazily computed.
+ var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
+ suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : "";
-var signsX = {
- overlay: +1,
- selection: +1,
- n: null,
- e: +1,
- s: null,
- w: -1,
- nw: -1,
- ne: +1,
- se: +1,
- sw: -1
-};
+ // What format function should we use?
+ // Is this an integer type?
+ // Can this type generate exponential notation?
+ var formatType = formatTypes[type],
+ maybeSuffix = !type || /[defgprs%]/.test(type);
-var signsY = {
- overlay: +1,
- selection: +1,
- n: -1,
- e: null,
- s: +1,
- w: null,
- nw: -1,
- ne: -1,
- se: +1,
- sw: +1
-};
+ // Set the default precision if not specified,
+ // or clamp the specified precision to the supported range.
+ // For significant precision, it must be in [1, 21].
+ // For fixed precision, it must be in [0, 20].
+ precision = precision == null ? (type ? 6 : 12)
+ : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
+ : Math.max(0, Math.min(20, precision));
-function type$1(t) {
- return {type: t};
-}
+ function format(value) {
+ var valuePrefix = prefix,
+ valueSuffix = suffix,
+ i, n, c;
-// Ignore right-click, since that should open the context menu.
-function defaultFilter$2() {
- return !exports.event.button;
-}
+ if (type === "c") {
+ valueSuffix = formatType(value) + valueSuffix;
+ value = "";
+ } else {
+ value = +value;
-function defaultExtent$1() {
- var svg = this.ownerSVGElement || this;
- return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]];
-}
+ // Perform the initial formatting.
+ var valueNegative = value < 0;
+ value = formatType(Math.abs(value), precision);
-// Like d3.local, but with the name “__brush” rather than auto-generated.
-function local$1(node) {
- while (!node.__brush) if (!(node = node.parentNode)) return;
- return node.__brush;
-}
+ // If a negative value rounds to zero during formatting, treat as positive.
+ if (valueNegative && +value === 0) valueNegative = false;
-function empty$1(extent) {
- return extent[0][0] === extent[1][0]
- || extent[0][1] === extent[1][1];
-}
+ // Compute the prefix and suffix.
+ valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
+ valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : "");
-function brushSelection(node) {
- var state = node.__brush;
- return state ? state.dim.output(state.selection) : null;
-}
-
-function brushX() {
- return brush$1(X);
-}
-
-function brushY() {
- return brush$1(Y);
-}
-
-var brush = function() {
- return brush$1(XY);
-};
-
-function brush$1(dim) {
- var extent = defaultExtent$1,
- filter = defaultFilter$2,
- listeners = dispatch(brush, "start", "brush", "end"),
- handleSize = 6,
- touchending;
-
- function brush(group) {
- var overlay = group
- .property("__brush", initialize)
- .selectAll(".overlay")
- .data([type$1("overlay")]);
-
- overlay.enter().append("rect")
- .attr("class", "overlay")
- .attr("pointer-events", "all")
- .attr("cursor", cursors.overlay)
- .merge(overlay)
- .each(function() {
- var extent = local$1(this).extent;
- select(this)
- .attr("x", extent[0][0])
- .attr("y", extent[0][1])
- .attr("width", extent[1][0] - extent[0][0])
- .attr("height", extent[1][1] - extent[0][1]);
- });
-
- group.selectAll(".selection")
- .data([type$1("selection")])
- .enter().append("rect")
- .attr("class", "selection")
- .attr("cursor", cursors.selection)
- .attr("fill", "#777")
- .attr("fill-opacity", 0.3)
- .attr("stroke", "#fff")
- .attr("shape-rendering", "crispEdges");
-
- var handle = group.selectAll(".handle")
- .data(dim.handles, function(d) { return d.type; });
-
- handle.exit().remove();
-
- handle.enter().append("rect")
- .attr("class", function(d) { return "handle handle--" + d.type; })
- .attr("cursor", function(d) { return cursors[d.type]; });
-
- group
- .each(redraw)
- .attr("fill", "none")
- .attr("pointer-events", "all")
- .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
- .on("mousedown.brush touchstart.brush", started);
- }
-
- brush.move = function(group, selection$$1) {
- if (group.selection) {
- group
- .on("start.brush", function() { emitter(this, arguments).beforestart().start(); })
- .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); })
- .tween("brush", function() {
- var that = this,
- state = that.__brush,
- emit = emitter(that, arguments),
- selection0 = state.selection,
- selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent),
- i = interpolate(selection0, selection1);
-
- function tween(t) {
- state.selection = t === 1 && empty$1(selection1) ? null : i(t);
- redraw.call(that);
- emit.brush();
+ // Break the formatted value into the integer “value” part that can be
+ // grouped, and fractional or exponential “suffix” part that is not.
+ if (maybeSuffix) {
+ i = -1, n = value.length;
+ while (++i < n) {
+ if (c = value.charCodeAt(i), 48 > c || c > 57) {
+ valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
+ value = value.slice(0, i);
+ break;
}
-
- return selection0 && selection1 ? tween : tween(1);
- });
- } else {
- group
- .each(function() {
- var that = this,
- args = arguments,
- state = that.__brush,
- selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent),
- emit = emitter(that, args).beforestart();
-
- interrupt(that);
- state.selection = selection1 == null || empty$1(selection1) ? null : selection1;
- redraw.call(that);
- emit.start().brush().end();
- });
- }
- };
-
- function redraw() {
- var group = select(this),
- selection$$1 = local$1(this).selection;
-
- if (selection$$1) {
- group.selectAll(".selection")
- .style("display", null)
- .attr("x", selection$$1[0][0])
- .attr("y", selection$$1[0][1])
- .attr("width", selection$$1[1][0] - selection$$1[0][0])
- .attr("height", selection$$1[1][1] - selection$$1[0][1]);
-
- group.selectAll(".handle")
- .style("display", null)
- .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; })
- .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; })
- .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; })
- .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; });
- }
-
- else {
- group.selectAll(".selection,.handle")
- .style("display", "none")
- .attr("x", null)
- .attr("y", null)
- .attr("width", null)
- .attr("height", null);
- }
- }
-
- function emitter(that, args) {
- return that.__brush.emitter || new Emitter(that, args);
- }
-
- function Emitter(that, args) {
- this.that = that;
- this.args = args;
- this.state = that.__brush;
- this.active = 0;
- }
-
- Emitter.prototype = {
- beforestart: function() {
- if (++this.active === 1) this.state.emitter = this, this.starting = true;
- return this;
- },
- start: function() {
- if (this.starting) this.starting = false, this.emit("start");
- return this;
- },
- brush: function() {
- this.emit("brush");
- return this;
- },
- end: function() {
- if (--this.active === 0) delete this.state.emitter, this.emit("end");
- return this;
- },
- emit: function(type) {
- customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]);
- }
- };
-
- function started() {
- if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); }
- else if (touchending) return;
- if (!filter.apply(this, arguments)) return;
-
- var that = this,
- type = exports.event.target.__data__.type,
- mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE),
- signX = dim === Y ? null : signsX[type],
- signY = dim === X ? null : signsY[type],
- state = local$1(that),
- extent = state.extent,
- selection$$1 = state.selection,
- W = extent[0][0], w0, w1,
- N = extent[0][1], n0, n1,
- E = extent[1][0], e0, e1,
- S = extent[1][1], s0, s1,
- dx,
- dy,
- moving,
- shifting = signX && signY && exports.event.shiftKey,
- lockX,
- lockY,
- point0 = mouse(that),
- point = point0,
- emit = emitter(that, arguments).beforestart();
-
- if (type === "overlay") {
- state.selection = selection$$1 = [
- [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],
- [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]
- ];
- } else {
- w0 = selection$$1[0][0];
- n0 = selection$$1[0][1];
- e0 = selection$$1[1][0];
- s0 = selection$$1[1][1];
- }
-
- w1 = w0;
- n1 = n0;
- e1 = e0;
- s1 = s0;
-
- var group = select(that)
- .attr("pointer-events", "none");
-
- var overlay = group.selectAll(".overlay")
- .attr("cursor", cursors[type]);
-
- if (exports.event.touches) {
- group
- .on("touchmove.brush", moved, true)
- .on("touchend.brush touchcancel.brush", ended, true);
- } else {
- var view = select(exports.event.view)
- .on("keydown.brush", keydowned, true)
- .on("keyup.brush", keyupped, true)
- .on("mousemove.brush", moved, true)
- .on("mouseup.brush", ended, true);
-
- dragDisable(exports.event.view);
- }
-
- nopropagation$2();
- interrupt(that);
- redraw.call(that);
- emit.start();
-
- function moved() {
- var point1 = mouse(that);
- if (shifting && !lockX && !lockY) {
- if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true;
- else lockX = true;
- }
- point = point1;
- moving = true;
- noevent$2();
- move();
- }
-
- function move() {
- var t;
-
- dx = point[0] - point0[0];
- dy = point[1] - point0[1];
-
- switch (mode) {
- case MODE_SPACE:
- case MODE_DRAG: {
- if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx;
- if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy;
- break;
+ }
}
- case MODE_HANDLE: {
- if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0;
- else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx;
- if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0;
- else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy;
- break;
- }
- case MODE_CENTER: {
- if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX));
- if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY));
- break;
- }
}
- if (e1 < w1) {
- signX *= -1;
- t = w0, w0 = e0, e0 = t;
- t = w1, w1 = e1, e1 = t;
- if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]);
- }
+ // If the fill character is not "0", grouping is applied before padding.
+ if (comma && !zero) value = group(value, Infinity);
- if (s1 < n1) {
- signY *= -1;
- t = n0, n0 = s0, s0 = t;
- t = n1, n1 = s1, s1 = t;
- if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]);
- }
+ // Compute the padding.
+ var length = valuePrefix.length + value.length + valueSuffix.length,
+ padding = length < width ? new Array(width - length + 1).join(fill) : "";
- if (state.selection) selection$$1 = state.selection; // May be set by brush.move!
- if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0];
- if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1];
+ // If the fill character is "0", grouping is applied after padding.
+ if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
- if (selection$$1[0][0] !== w1
- || selection$$1[0][1] !== n1
- || selection$$1[1][0] !== e1
- || selection$$1[1][1] !== s1) {
- state.selection = [[w1, n1], [e1, s1]];
- redraw.call(that);
- emit.brush();
+ // Reconstruct the final output based on the desired alignment.
+ switch (align) {
+ case "<": value = valuePrefix + value + valueSuffix + padding; break;
+ case "=": value = valuePrefix + padding + value + valueSuffix; break;
+ case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break;
+ default: value = padding + valuePrefix + value + valueSuffix; break;
}
- }
- function ended() {
- nopropagation$2();
- if (exports.event.touches) {
- if (exports.event.touches.length) return;
- if (touchending) clearTimeout(touchending);
- touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
- group.on("touchmove.brush touchend.brush touchcancel.brush", null);
- } else {
- yesdrag(exports.event.view, moving);
- view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
- }
- group.attr("pointer-events", "all");
- overlay.attr("cursor", cursors.overlay);
- if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)!
- if (empty$1(selection$$1)) state.selection = null, redraw.call(that);
- emit.end();
+ return numerals(value);
}
- function keydowned() {
- switch (exports.event.keyCode) {
- case 16: { // SHIFT
- shifting = signX && signY;
- break;
- }
- case 18: { // ALT
- if (mode === MODE_HANDLE) {
- if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
- if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
- mode = MODE_CENTER;
- move();
- }
- break;
- }
- case 32: { // SPACE; takes priority over ALT
- if (mode === MODE_HANDLE || mode === MODE_CENTER) {
- if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx;
- if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy;
- mode = MODE_SPACE;
- overlay.attr("cursor", cursors.selection);
- move();
- }
- break;
- }
- default: return;
- }
- noevent$2();
- }
+ format.toString = function() {
+ return specifier + "";
+ };
- function keyupped() {
- switch (exports.event.keyCode) {
- case 16: { // SHIFT
- if (shifting) {
- lockX = lockY = shifting = false;
- move();
- }
- break;
- }
- case 18: { // ALT
- if (mode === MODE_CENTER) {
- if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
- if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
- mode = MODE_HANDLE;
- move();
- }
- break;
- }
- case 32: { // SPACE
- if (mode === MODE_SPACE) {
- if (exports.event.altKey) {
- if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
- if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
- mode = MODE_CENTER;
- } else {
- if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
- if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
- mode = MODE_HANDLE;
- }
- overlay.attr("cursor", cursors[type]);
- move();
- }
- break;
- }
- default: return;
- }
- noevent$2();
- }
+ return format;
}
- function initialize() {
- var state = this.__brush || {selection: null};
- state.extent = extent.apply(this, arguments);
- state.dim = dim;
- return state;
+ function formatPrefix(specifier, value) {
+ var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
+ e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3,
+ k = Math.pow(10, -e),
+ prefix = prefixes[8 + e / 3];
+ return function(value) {
+ return f(k * value) + prefix;
+ };
}
- brush.extent = function(_) {
- return arguments.length ? (extent = typeof _ === "function" ? _ : constant$11([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent;
+ return {
+ format: newFormat,
+ formatPrefix: formatPrefix
};
+};
- brush.filter = function(_) {
- return arguments.length ? (filter = typeof _ === "function" ? _ : constant$11(!!_), brush) : filter;
- };
+var locale$1;
- brush.handleSize = function(_) {
- return arguments.length ? (handleSize = +_, brush) : handleSize;
- };
- brush.on = function() {
- var value = listeners.on.apply(listeners, arguments);
- return value === listeners ? brush : value;
- };
- return brush;
-}
+defaultLocale({
+ decimal: ".",
+ thousands: ",",
+ grouping: [3],
+ currency: ["$", ""]
+});
-var cos = Math.cos;
-var sin = Math.sin;
-var pi$3 = Math.PI;
-var halfPi$2 = pi$3 / 2;
-var tau$3 = pi$3 * 2;
-var max$1 = Math.max;
-
-function compareValue(compare) {
- return function(a, b) {
- return compare(
- a.source.value + a.target.value,
- b.source.value + b.target.value
- );
- };
+function defaultLocale(definition) {
+ locale$1 = formatLocale(definition);
+ exports.format = locale$1.format;
+ exports.formatPrefix = locale$1.formatPrefix;
+ return locale$1;
}
-var chord = function() {
- var padAngle = 0,
- sortGroups = null,
- sortSubgroups = null,
- sortChords = null;
-
- function chord(matrix) {
- var n = matrix.length,
- groupSums = [],
- groupIndex = range(n),
- subgroupIndex = [],
- chords = [],
- groups = chords.groups = new Array(n),
- subgroups = new Array(n * n),
- k,
- x,
- x0,
- dx,
- i,
- j;
-
- // Compute the sum.
- k = 0, i = -1; while (++i < n) {
- x = 0, j = -1; while (++j < n) {
- x += matrix[i][j];
- }
- groupSums.push(x);
- subgroupIndex.push(range(n));
- k += x;
- }
-
- // Sort groups…
- if (sortGroups) groupIndex.sort(function(a, b) {
- return sortGroups(groupSums[a], groupSums[b]);
- });
-
- // Sort subgroups…
- if (sortSubgroups) subgroupIndex.forEach(function(d, i) {
- d.sort(function(a, b) {
- return sortSubgroups(matrix[i][a], matrix[i][b]);
- });
- });
-
- // Convert the sum to scaling factor for [0, 2pi].
- // TODO Allow start and end angle to be specified?
- // TODO Allow padding to be specified as percentage?
- k = max$1(0, tau$3 - padAngle * n) / k;
- dx = k ? padAngle : tau$3 / n;
-
- // Compute the start and end angle for each group and subgroup.
- // Note: Opera has a bug reordering object literal properties!
- x = 0, i = -1; while (++i < n) {
- x0 = x, j = -1; while (++j < n) {
- var di = groupIndex[i],
- dj = subgroupIndex[di][j],
- v = matrix[di][dj],
- a0 = x,
- a1 = x += v * k;
- subgroups[dj * n + di] = {
- index: di,
- subindex: dj,
- startAngle: a0,
- endAngle: a1,
- value: v
- };
- }
- groups[di] = {
- index: di,
- startAngle: x0,
- endAngle: x,
- value: groupSums[di]
- };
- x += dx;
- }
-
- // Generate chords for each (non-empty) subgroup-subgroup link.
- i = -1; while (++i < n) {
- j = i - 1; while (++j < n) {
- var source = subgroups[j * n + i],
- target = subgroups[i * n + j];
- if (source.value || target.value) {
- chords.push(source.value < target.value
- ? {source: target, target: source}
- : {source: source, target: target});
- }
- }
- }
-
- return sortChords ? chords.sort(sortChords) : chords;
- }
-
- chord.padAngle = function(_) {
- return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle;
- };
-
- chord.sortGroups = function(_) {
- return arguments.length ? (sortGroups = _, chord) : sortGroups;
- };
-
- chord.sortSubgroups = function(_) {
- return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups;
- };
-
- chord.sortChords = function(_) {
- return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._;
- };
-
- return chord;
+var precisionFixed = function(step) {
+ return Math.max(0, -exponent$1(Math.abs(step)));
};
-var slice$5 = Array.prototype.slice;
-
-var constant$12 = function(x) {
- return function() {
- return x;
- };
+var precisionPrefix = function(step, value) {
+ return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step)));
};
-function defaultSource(d) {
- return d.source;
-}
-
-function defaultTarget(d) {
- return d.target;
-}
-
-function defaultRadius$1(d) {
- return d.radius;
-}
-
-function defaultStartAngle(d) {
- return d.startAngle;
-}
-
-function defaultEndAngle(d) {
- return d.endAngle;
-}
-
-var ribbon = function() {
- var source = defaultSource,
- target = defaultTarget,
- radius = defaultRadius$1,
- startAngle = defaultStartAngle,
- endAngle = defaultEndAngle,
- context = null;
-
- function ribbon() {
- var buffer,
- argv = slice$5.call(arguments),
- s = source.apply(this, argv),
- t = target.apply(this, argv),
- sr = +radius.apply(this, (argv[0] = s, argv)),
- sa0 = startAngle.apply(this, argv) - halfPi$2,
- sa1 = endAngle.apply(this, argv) - halfPi$2,
- sx0 = sr * cos(sa0),
- sy0 = sr * sin(sa0),
- tr = +radius.apply(this, (argv[0] = t, argv)),
- ta0 = startAngle.apply(this, argv) - halfPi$2,
- ta1 = endAngle.apply(this, argv) - halfPi$2;
-
- if (!context) context = buffer = path();
-
- context.moveTo(sx0, sy0);
- context.arc(0, 0, sr, sa0, sa1);
- if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr?
- context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0));
- context.arc(0, 0, tr, ta0, ta1);
- }
- context.quadraticCurveTo(0, 0, sx0, sy0);
- context.closePath();
-
- if (buffer) return context = null, buffer + "" || null;
- }
-
- ribbon.radius = function(_) {
- return arguments.length ? (radius = typeof _ === "function" ? _ : constant$12(+_), ribbon) : radius;
- };
-
- ribbon.startAngle = function(_) {
- return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : startAngle;
- };
-
- ribbon.endAngle = function(_) {
- return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$12(+_), ribbon) : endAngle;
- };
-
- ribbon.source = function(_) {
- return arguments.length ? (source = _, ribbon) : source;
- };
-
- ribbon.target = function(_) {
- return arguments.length ? (target = _, ribbon) : target;
- };
-
- ribbon.context = function(_) {
- return arguments.length ? ((context = _ == null ? null : _), ribbon) : context;
- };
-
- return ribbon;
+var precisionRound = function(step, max) {
+ step = Math.abs(step), max = Math.abs(max) - step;
+ return Math.max(0, exponent$1(max) - exponent$1(step)) + 1;
};
// Adds floating point numbers with twice the normal precision.
// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and
// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3)
@@ -13278,57 +6587,57 @@
bv = x - a,
av = x - bv;
adder.t = (a - av) + (b - bv);
}
-var epsilon$4 = 1e-6;
-var epsilon2$2 = 1e-12;
-var pi$4 = Math.PI;
-var halfPi$3 = pi$4 / 2;
-var quarterPi = pi$4 / 4;
-var tau$4 = pi$4 * 2;
+var epsilon$2 = 1e-6;
+var epsilon2$1 = 1e-12;
+var pi$3 = Math.PI;
+var halfPi$2 = pi$3 / 2;
+var quarterPi = pi$3 / 4;
+var tau$3 = pi$3 * 2;
-var degrees$1 = 180 / pi$4;
-var radians = pi$4 / 180;
+var degrees$1 = 180 / pi$3;
+var radians = pi$3 / 180;
var abs = Math.abs;
var atan = Math.atan;
var atan2 = Math.atan2;
var cos$1 = Math.cos;
var ceil = Math.ceil;
var exp = Math.exp;
-var log$1 = Math.log;
-var pow$1 = Math.pow;
+var log = Math.log;
+var pow = Math.pow;
var sin$1 = Math.sin;
-var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; };
-var sqrt$1 = Math.sqrt;
+var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; };
+var sqrt = Math.sqrt;
var tan = Math.tan;
function acos(x) {
- return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x);
+ return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x);
}
-function asin$1(x) {
- return x > 1 ? halfPi$3 : x < -1 ? -halfPi$3 : Math.asin(x);
+function asin(x) {
+ return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x);
}
function haversin(x) {
return (x = sin$1(x / 2)) * x;
}
-function noop$2() {}
+function noop$1() {}
function streamGeometry(geometry, stream) {
if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) {
streamGeometryType[geometry.type](geometry, stream);
}
}
var streamObjectType = {
- Feature: function(feature, stream) {
- streamGeometry(feature.geometry, stream);
+ Feature: function(object, stream) {
+ streamGeometry(object.geometry, stream);
},
FeatureCollection: function(object, stream) {
var features = object.features, i = -1, n = features.length;
while (++i < n) streamGeometry(features[i].geometry, stream);
}
@@ -13396,25 +6705,25 @@
var lambda0;
var cosPhi0;
var sinPhi0;
var areaStream = {
- point: noop$2,
- lineStart: noop$2,
- lineEnd: noop$2,
+ point: noop$1,
+ lineStart: noop$1,
+ lineEnd: noop$1,
polygonStart: function() {
areaRingSum.reset();
areaStream.lineStart = areaRingStart;
areaStream.lineEnd = areaRingEnd;
},
polygonEnd: function() {
var areaRing = +areaRingSum;
- areaSum.add(areaRing < 0 ? tau$4 + areaRing : areaRing);
- this.lineStart = this.lineEnd = this.point = noop$2;
+ areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing);
+ this.lineStart = this.lineEnd = this.point = noop$1;
},
sphere: function() {
- areaSum.add(tau$4);
+ areaSum.add(tau$3);
}
};
function areaRingStart() {
areaStream.point = areaPointFirst;
@@ -13450,18 +6759,18 @@
// Advance the previous points.
lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi;
}
-var area$2 = function(object) {
+var area = function(object) {
areaSum.reset();
geoStream(object, areaStream);
return areaSum * 2;
};
function spherical(cartesian) {
- return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])];
+ return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])];
}
function cartesian(spherical) {
var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi);
return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)];
@@ -13484,11 +6793,11 @@
return [vector[0] * k, vector[1] * k, vector[2] * k];
}
// TODO return d
function cartesianNormalizeInPlace(d) {
- var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+ var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
d[0] /= l, d[1] /= l, d[2] /= l;
}
var lambda0$1;
var phi0;
@@ -13498,11 +6807,11 @@
var lambda00$1;
var phi00$1;
var p0;
var deltaSum = adder();
var ranges;
-var range$1;
+var range;
var boundsStream = {
point: boundsPoint,
lineStart: boundsLineStart,
lineEnd: boundsLineEnd,
@@ -13517,18 +6826,18 @@
areaStream.polygonEnd();
boundsStream.point = boundsPoint;
boundsStream.lineStart = boundsLineStart;
boundsStream.lineEnd = boundsLineEnd;
if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90);
- else if (deltaSum > epsilon$4) phi1 = 90;
- else if (deltaSum < -epsilon$4) phi0 = -90;
- range$1[0] = lambda0$1, range$1[1] = lambda1;
+ else if (deltaSum > epsilon$2) phi1 = 90;
+ else if (deltaSum < -epsilon$2) phi0 = -90;
+ range[0] = lambda0$1, range[1] = lambda1;
}
};
function boundsPoint(lambda, phi) {
- ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]);
+ ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]);
if (phi < phi0) phi0 = phi;
if (phi > phi1) phi1 = phi;
}
function linePoint(lambda, phi) {
@@ -13571,21 +6880,23 @@
if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda;
}
}
}
} else {
- boundsPoint(lambda, phi);
+ ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]);
}
+ if (phi < phi0) phi0 = phi;
+ if (phi > phi1) phi1 = phi;
p0 = p, lambda2 = lambda;
}
function boundsLineStart() {
boundsStream.point = linePoint;
}
function boundsLineEnd() {
- range$1[0] = lambda0$1, range$1[1] = lambda1;
+ range[0] = lambda0$1, range[1] = lambda1;
boundsStream.point = boundsPoint;
p0 = null;
}
function boundsRingPoint(lambda, phi) {
@@ -13604,12 +6915,12 @@
}
function boundsRingEnd() {
boundsRingPoint(lambda00$1, phi00$1);
areaStream.lineEnd();
- if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180);
- range$1[0] = lambda0$1, range$1[1] = lambda1;
+ if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180);
+ range[0] = lambda0$1, range[1] = lambda1;
p0 = null;
}
// Finds the left-right distance between two longitudes.
// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want
@@ -13654,11 +6965,11 @@
b = merged[i];
if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1];
}
}
- ranges = range$1 = null;
+ ranges = range = null;
return lambda0$1 === Infinity || phi0 === Infinity
? [[NaN, NaN], [NaN, NaN]]
: [[lambda0$1, phi0], [lambda1, phi1]];
};
@@ -13679,11 +6990,11 @@
var x0;
var y0;
var z0; // previous point
var centroidStream = {
- sphere: noop$2,
+ sphere: noop$1,
point: centroidPoint,
lineStart: centroidLineStart,
lineEnd: centroidLineEnd,
polygonStart: function() {
centroidStream.lineStart = centroidRingStart;
@@ -13727,11 +7038,11 @@
lambda *= radians, phi *= radians;
var cosPhi = cos$1(phi),
x = cosPhi * cos$1(lambda),
y = cosPhi * sin$1(lambda),
z = sin$1(phi),
- w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+ w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
W1 += w;
X1 += w * (x0 + (x0 = x));
Y1 += w * (y0 + (y0 = y));
Z1 += w * (z0 + (z0 = z));
centroidPointCartesian(x0, y0, z0);
@@ -13770,25 +7081,24 @@
y = cosPhi * sin$1(lambda),
z = sin$1(phi),
cx = y0 * z - z0 * y,
cy = z0 * x - x0 * z,
cz = x0 * y - y0 * x,
- m = sqrt$1(cx * cx + cy * cy + cz * cz),
- u = x0 * x + y0 * y + z0 * z,
- v = m && -acos(u) / m, // area weight
- w = atan2(m, u); // line weight
+ m = sqrt(cx * cx + cy * cy + cz * cz),
+ w = asin(m), // line weight = angle
+ v = m && -w / m; // area weight multiplier
X2 += v * cx;
Y2 += v * cy;
Z2 += v * cz;
W1 += w;
X1 += w * (x0 + (x0 = x));
Y1 += w * (y0 + (y0 = y));
Z1 += w * (z0 + (z0 = z));
centroidPointCartesian(x0, y0, z0);
}
-var centroid$1 = function(object) {
+var centroid = function(object) {
W0 = W1 =
X0 = Y0 = Z0 =
X1 = Y1 = Z1 =
X2 = Y2 = Z2 = 0;
geoStream(object, centroidStream);
@@ -13797,23 +7107,23 @@
y = Y2,
z = Z2,
m = x * x + y * y + z * z;
// If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid.
- if (m < epsilon2$2) {
+ if (m < epsilon2$1) {
x = X1, y = Y1, z = Z1;
// If the feature has zero length, fall back to arithmetic mean of point vectors.
- if (W1 < epsilon$4) x = X0, y = Y0, z = Z0;
+ if (W1 < epsilon$2) x = X0, y = Y0, z = Z0;
m = x * x + y * y + z * z;
// If the feature still has an undefined ccentroid, then return.
- if (m < epsilon2$2) return [NaN, NaN];
+ if (m < epsilon2$1) return [NaN, NaN];
}
- return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1];
+ return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1];
};
-var constant$13 = function(x) {
+var constant$7 = function(x) {
return function() {
return x;
};
};
@@ -13829,25 +7139,25 @@
return compose;
};
function rotationIdentity(lambda, phi) {
- return [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi];
+ return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi];
}
rotationIdentity.invert = rotationIdentity;
function rotateRadians(deltaLambda, deltaPhi, deltaGamma) {
- return (deltaLambda %= tau$4) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma))
+ return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma))
: rotationLambda(deltaLambda))
: (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma)
: rotationIdentity);
}
function forwardRotationLambda(deltaLambda) {
return function(lambda, phi) {
- return lambda += deltaLambda, [lambda > pi$4 ? lambda - tau$4 : lambda < -pi$4 ? lambda + tau$4 : lambda, phi];
+ return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi];
};
}
function rotationLambda(deltaLambda) {
var rotation = forwardRotationLambda(deltaLambda);
@@ -13867,11 +7177,11 @@
y = sin$1(lambda) * cosPhi,
z = sin$1(phi),
k = z * cosDeltaPhi + x * sinDeltaPhi;
return [
atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi),
- asin$1(k * cosDeltaGamma + y * sinDeltaGamma)
+ asin(k * cosDeltaGamma + y * sinDeltaGamma)
];
}
rotation.invert = function(lambda, phi) {
var cosPhi = cos$1(phi),
@@ -13879,11 +7189,11 @@
y = sin$1(lambda) * cosPhi,
z = sin$1(phi),
k = z * cosDeltaGamma - y * sinDeltaGamma;
return [
atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi),
- asin$1(k * cosDeltaPhi - x * sinDeltaPhi)
+ asin(k * cosDeltaPhi - x * sinDeltaPhi)
];
};
return rotation;
}
@@ -13909,16 +7219,16 @@
if (!delta) return;
var cosRadius = cos$1(radius),
sinRadius = sin$1(radius),
step = direction * delta;
if (t0 == null) {
- t0 = radius + direction * tau$4;
+ t0 = radius + direction * tau$3;
t1 = radius - step / 2;
} else {
t0 = circleRadius(cosRadius, t0);
t1 = circleRadius(cosRadius, t1);
- if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$4;
+ if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3;
}
for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) {
point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]);
stream.point(point[0], point[1]);
}
@@ -13927,17 +7237,17 @@
// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0].
function circleRadius(cosRadius, point) {
point = cartesian(point), point[0] -= cosRadius;
cartesianNormalizeInPlace(point);
var radius = acos(-point[1]);
- return ((-point[2] < 0 ? -radius : radius) + tau$4 - epsilon$4) % tau$4;
+ return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3;
}
-var circle$1 = function() {
- var center = constant$13([0, 0]),
- radius = constant$13(90),
- precision = constant$13(6),
+var circle = function() {
+ var center = constant$7([0, 0]),
+ radius = constant$7(90),
+ precision = constant$7(6),
ring,
rotate,
stream = {point: point};
function point(x, y) {
@@ -13956,19 +7266,19 @@
ring = rotate = null;
return c;
}
circle.center = function(_) {
- return arguments.length ? (center = typeof _ === "function" ? _ : constant$13([+_[0], +_[1]]), circle) : center;
+ return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center;
};
circle.radius = function(_) {
- return arguments.length ? (radius = typeof _ === "function" ? _ : constant$13(+_), circle) : radius;
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius;
};
circle.precision = function(_) {
- return arguments.length ? (precision = typeof _ === "function" ? _ : constant$13(+_), circle) : precision;
+ return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision;
};
return circle;
};
@@ -13980,11 +7290,11 @@
line.push([x, y]);
},
lineStart: function() {
lines.push(line = []);
},
- lineEnd: noop$2,
+ lineEnd: noop$1,
rejoin: function() {
if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
},
result: function() {
var result = lines;
@@ -14054,11 +7364,11 @@
if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy;
return true;
};
var pointEqual = function(a, b) {
- return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4;
+ return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2;
};
function Intersection(point, points, other, entry) {
this.x = point;
this.z = points;
@@ -14182,13 +7492,13 @@
stream.point(to[0], to[1]);
}
}
function corner(p, direction) {
- return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3
- : abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1
- : abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0
+ return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3
+ : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1
+ : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0
: direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon
}
function compareIntersection(a, b) {
return comparePoint(a.x, b.x);
@@ -14340,31 +7650,96 @@
return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]];
}
};
};
+var sum$1 = adder();
+
+var polygonContains = function(polygon, point) {
+ var lambda = point[0],
+ phi = point[1],
+ normal = [sin$1(lambda), -cos$1(lambda), 0],
+ angle = 0,
+ winding = 0;
+
+ sum$1.reset();
+
+ for (var i = 0, n = polygon.length; i < n; ++i) {
+ if (!(m = (ring = polygon[i]).length)) continue;
+ var ring,
+ m,
+ point0 = ring[m - 1],
+ lambda0 = point0[0],
+ phi0 = point0[1] / 2 + quarterPi,
+ sinPhi0 = sin$1(phi0),
+ cosPhi0 = cos$1(phi0);
+
+ for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) {
+ var point1 = ring[j],
+ lambda1 = point1[0],
+ phi1 = point1[1] / 2 + quarterPi,
+ sinPhi1 = sin$1(phi1),
+ cosPhi1 = cos$1(phi1),
+ delta = lambda1 - lambda0,
+ sign$$1 = delta >= 0 ? 1 : -1,
+ absDelta = sign$$1 * delta,
+ antimeridian = absDelta > pi$3,
+ k = sinPhi0 * sinPhi1;
+
+ sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta)));
+ angle += antimeridian ? delta + sign$$1 * tau$3 : delta;
+
+ // Are the longitudes either side of the point’s meridian (lambda),
+ // and are the latitudes smaller than the parallel (phi)?
+ if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) {
+ var arc = cartesianCross(cartesian(point0), cartesian(point1));
+ cartesianNormalizeInPlace(arc);
+ var intersection = cartesianCross(normal, arc);
+ cartesianNormalizeInPlace(intersection);
+ var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]);
+ if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) {
+ winding += antimeridian ^ delta >= 0 ? 1 : -1;
+ }
+ }
+ }
+ }
+
+ // First, determine whether the South pole is inside or outside:
+ //
+ // It is inside if:
+ // * the polygon winds around it in a clockwise direction.
+ // * the polygon does not (cumulatively) wind around it, but has a negative
+ // (counter-clockwise) area.
+ //
+ // Second, count the (signed) number of times a segment crosses a lambda
+ // from the point to the South pole. If it is zero, then the point is the
+ // same side as the South pole.
+
+ return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1);
+};
+
var lengthSum = adder();
var lambda0$2;
var sinPhi0$1;
var cosPhi0$1;
var lengthStream = {
- sphere: noop$2,
- point: noop$2,
+ sphere: noop$1,
+ point: noop$1,
lineStart: lengthLineStart,
- lineEnd: noop$2,
- polygonStart: noop$2,
- polygonEnd: noop$2
+ lineEnd: noop$1,
+ polygonStart: noop$1,
+ polygonEnd: noop$1
};
function lengthLineStart() {
lengthStream.point = lengthPointFirst;
lengthStream.lineEnd = lengthLineEnd;
}
function lengthLineEnd() {
- lengthStream.point = lengthStream.lineEnd = noop$2;
+ lengthStream.point = lengthStream.lineEnd = noop$1;
}
function lengthPointFirst(lambda, phi) {
lambda *= radians, phi *= radians;
lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi);
@@ -14379,15 +7754,15 @@
cosDelta = cos$1(delta),
sinDelta = sin$1(delta),
x = cosPhi * sinDelta,
y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta,
z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta;
- lengthSum.add(atan2(sqrt$1(x * x + y * y), z));
+ lengthSum.add(atan2(sqrt(x * x + y * y), z));
lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi;
}
-var length$2 = function(object) {
+var length$1 = function(object) {
lengthSum.reset();
geoStream(object, lengthStream);
return +lengthSum;
};
@@ -14395,20 +7770,101 @@
var object$1 = {type: "LineString", coordinates: coordinates};
var distance = function(a, b) {
coordinates[0] = a;
coordinates[1] = b;
- return length$2(object$1);
+ return length$1(object$1);
};
+var containsObjectType = {
+ Feature: function(object, point) {
+ return containsGeometry(object.geometry, point);
+ },
+ FeatureCollection: function(object, point) {
+ var features = object.features, i = -1, n = features.length;
+ while (++i < n) if (containsGeometry(features[i].geometry, point)) return true;
+ return false;
+ }
+};
+
+var containsGeometryType = {
+ Sphere: function() {
+ return true;
+ },
+ Point: function(object, point) {
+ return containsPoint(object.coordinates, point);
+ },
+ MultiPoint: function(object, point) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) if (containsPoint(coordinates[i], point)) return true;
+ return false;
+ },
+ LineString: function(object, point) {
+ return containsLine(object.coordinates, point);
+ },
+ MultiLineString: function(object, point) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) if (containsLine(coordinates[i], point)) return true;
+ return false;
+ },
+ Polygon: function(object, point) {
+ return containsPolygon(object.coordinates, point);
+ },
+ MultiPolygon: function(object, point) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) if (containsPolygon(coordinates[i], point)) return true;
+ return false;
+ },
+ GeometryCollection: function(object, point) {
+ var geometries = object.geometries, i = -1, n = geometries.length;
+ while (++i < n) if (containsGeometry(geometries[i], point)) return true;
+ return false;
+ }
+};
+
+function containsGeometry(geometry, point) {
+ return geometry && containsGeometryType.hasOwnProperty(geometry.type)
+ ? containsGeometryType[geometry.type](geometry, point)
+ : false;
+}
+
+function containsPoint(coordinates, point) {
+ return distance(coordinates, point) === 0;
+}
+
+function containsLine(coordinates, point) {
+ var ab = distance(coordinates[0], coordinates[1]),
+ ao = distance(coordinates[0], point),
+ ob = distance(point, coordinates[1]);
+ return ao + ob <= ab + epsilon$2;
+}
+
+function containsPolygon(coordinates, point) {
+ return !!polygonContains(coordinates.map(ringRadians), pointRadians(point));
+}
+
+function ringRadians(ring) {
+ return ring = ring.map(pointRadians), ring.pop(), ring;
+}
+
+function pointRadians(point) {
+ return [point[0] * radians, point[1] * radians];
+}
+
+var contains = function(object, point) {
+ return (object && containsObjectType.hasOwnProperty(object.type)
+ ? containsObjectType[object.type]
+ : containsGeometry)(object, point);
+};
+
function graticuleX(y0, y1, dy) {
- var y = range(y0, y1 - epsilon$4, dy).concat(y1);
+ var y = sequence(y0, y1 - epsilon$2, dy).concat(y1);
return function(x) { return y.map(function(y) { return [x, y]; }); };
}
function graticuleY(x0, x1, dx) {
- var x = range(x0, x1 - epsilon$4, dx).concat(x1);
+ var x = sequence(x0, x1 - epsilon$2, dx).concat(x1);
return function(y) { return x.map(function(x) { return [x, y]; }); };
}
function graticule() {
var x1, x0, X1, X0,
@@ -14420,14 +7876,14 @@
function graticule() {
return {type: "MultiLineString", coordinates: lines()};
}
function lines() {
- return range(ceil(X0 / DX) * DX, X1, DX).map(X)
- .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y))
- .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x))
- .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).map(y));
+ return sequence(ceil(X0 / DX) * DX, X1, DX).map(X)
+ .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y))
+ .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x))
+ .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y));
}
graticule.lines = function() {
return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; });
};
@@ -14493,19 +7949,19 @@
Y = graticuleY(X0, X1, precision);
return graticule;
};
return graticule
- .extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]])
- .extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]);
+ .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]])
+ .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]);
}
function graticule10() {
return graticule()();
}
-var interpolate$2 = function(a, b) {
+var interpolate$1 = function(a, b) {
var x0 = a[0] * radians,
y0 = a[1] * radians,
x1 = b[0] * radians,
y1 = b[1] * radians,
cy0 = cos$1(y0),
@@ -14514,33 +7970,33 @@
sy1 = sin$1(y1),
kx0 = cy0 * cos$1(x0),
ky0 = cy0 * sin$1(x0),
kx1 = cy1 * cos$1(x1),
ky1 = cy1 * sin$1(x1),
- d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))),
+ d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))),
k = sin$1(d);
var interpolate = d ? function(t) {
var B = sin$1(t *= d) / k,
A = sin$1(d - t) / k,
x = A * kx0 + B * kx1,
y = A * ky0 + B * ky1,
z = A * sy0 + B * sy1;
return [
atan2(y, x) * degrees$1,
- atan2(z, sqrt$1(x * x + y * y)) * degrees$1
+ atan2(z, sqrt(x * x + y * y)) * degrees$1
];
} : function() {
return [x0 * degrees$1, y0 * degrees$1];
};
interpolate.distance = d;
return interpolate;
};
-var identity$7 = function(x) {
+var identity$4 = function(x) {
return x;
};
var areaSum$1 = adder();
var areaRingSum$1 = adder();
@@ -14548,19 +8004,19 @@
var y00;
var x0$1;
var y0$1;
var areaStream$1 = {
- point: noop$2,
- lineStart: noop$2,
- lineEnd: noop$2,
+ point: noop$1,
+ lineStart: noop$1,
+ lineEnd: noop$1,
polygonStart: function() {
areaStream$1.lineStart = areaRingStart$1;
areaStream$1.lineEnd = areaRingEnd$1;
},
polygonEnd: function() {
- areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2;
+ areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1;
areaSum$1.add(abs(areaRingSum$1));
areaRingSum$1.reset();
},
result: function() {
var area = areaSum$1 / 2;
@@ -14592,14 +8048,14 @@
var x1 = -x0$2;
var y1 = x1;
var boundsStream$1 = {
point: boundsPoint$1,
- lineStart: noop$2,
- lineEnd: noop$2,
- polygonStart: noop$2,
- polygonEnd: noop$2,
+ lineStart: noop$1,
+ lineEnd: noop$1,
+ polygonStart: noop$1,
+ polygonEnd: noop$1,
result: function() {
var bounds = [[x0$2, y0$2], [x1, y1]];
x1 = y1 = -(y0$2 = x0$2 = Infinity);
return bounds;
}
@@ -14667,11 +8123,11 @@
centroidStream$1.point = centroidPointLine;
centroidPoint$1(x0$3 = x, y0$3 = y);
}
function centroidPointLine(x, y) {
- var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy);
+ var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy);
X1$1 += z * (x0$3 + x) / 2;
Y1$1 += z * (y0$3 + y) / 2;
Z1$1 += z;
centroidPoint$1(x0$3 = x, y0$3 = y);
}
@@ -14694,11 +8150,11 @@
}
function centroidPointRing(x, y) {
var dx = x - x0$3,
dy = y - y0$3,
- z = sqrt$1(dx * dx + dy * dy);
+ z = sqrt(dx * dx + dy * dy);
X1$1 += z * (x0$3 + x) / 2;
Y1$1 += z * (y0$3 + y) / 2;
Z1$1 += z;
@@ -14742,26 +8198,66 @@
this._context.lineTo(x, y);
break;
}
default: {
this._context.moveTo(x + this._radius, y);
- this._context.arc(x, y, this._radius, 0, tau$4);
+ this._context.arc(x, y, this._radius, 0, tau$3);
break;
}
}
},
- result: noop$2
+ result: noop$1
};
+var lengthSum$1 = adder();
+var lengthRing;
+var x00$2;
+var y00$2;
+var x0$4;
+var y0$4;
+
+var lengthStream$1 = {
+ point: noop$1,
+ lineStart: function() {
+ lengthStream$1.point = lengthPointFirst$1;
+ },
+ lineEnd: function() {
+ if (lengthRing) lengthPoint$1(x00$2, y00$2);
+ lengthStream$1.point = noop$1;
+ },
+ polygonStart: function() {
+ lengthRing = true;
+ },
+ polygonEnd: function() {
+ lengthRing = null;
+ },
+ result: function() {
+ var length = +lengthSum$1;
+ lengthSum$1.reset();
+ return length;
+ }
+};
+
+function lengthPointFirst$1(x, y) {
+ lengthStream$1.point = lengthPoint$1;
+ x00$2 = x0$4 = x, y00$2 = y0$4 = y;
+}
+
+function lengthPoint$1(x, y) {
+ x0$4 -= x, y0$4 -= y;
+ lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4));
+ x0$4 = x, y0$4 = y;
+}
+
function PathString() {
this._string = [];
}
PathString.prototype = {
- _circle: circle$2(4.5),
+ _circle: circle$1(4.5),
pointRadius: function(_) {
- return this._circle = circle$2(_), this;
+ return this._circle = circle$1(_), this;
},
polygonStart: function() {
this._line = 0;
},
polygonEnd: function() {
@@ -14798,18 +8294,18 @@
return result;
}
}
};
-function circle$2(radius) {
+function circle$1(radius) {
return "m0," + radius
+ "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius
+ "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius
+ "z";
}
-var index$3 = function(projection, context) {
+var index$1 = function(projection, context) {
var pointRadius = 4.5,
projectionStream,
contextStream;
function path(object) {
@@ -14823,10 +8319,15 @@
path.area = function(object) {
geoStream(object, projectionStream(areaStream$1));
return areaStream$1.result();
};
+ path.measure = function(object) {
+ geoStream(object, projectionStream(lengthStream$1));
+ return lengthStream$1.result();
+ };
+
path.bounds = function(object) {
geoStream(object, projectionStream(boundsStream$1));
return boundsStream$1.result();
};
@@ -14834,16 +8335,16 @@
geoStream(object, projectionStream(centroidStream$1));
return centroidStream$1.result();
};
path.projection = function(_) {
- return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection;
+ return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection;
};
path.context = function(_) {
if (!arguments.length) return context;
- contextStream = (context = _) == null ? new PathString : new PathContext(_);
+ contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _);
if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
return path;
};
path.pointRadius = function(_) {
@@ -14853,75 +8354,10 @@
};
return path.projection(projection).context(context);
};
-var sum$2 = adder();
-
-var polygonContains = function(polygon, point) {
- var lambda = point[0],
- phi = point[1],
- normal = [sin$1(lambda), -cos$1(lambda), 0],
- angle = 0,
- winding = 0;
-
- sum$2.reset();
-
- for (var i = 0, n = polygon.length; i < n; ++i) {
- if (!(m = (ring = polygon[i]).length)) continue;
- var ring,
- m,
- point0 = ring[m - 1],
- lambda0 = point0[0],
- phi0 = point0[1] / 2 + quarterPi,
- sinPhi0 = sin$1(phi0),
- cosPhi0 = cos$1(phi0);
-
- for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) {
- var point1 = ring[j],
- lambda1 = point1[0],
- phi1 = point1[1] / 2 + quarterPi,
- sinPhi1 = sin$1(phi1),
- cosPhi1 = cos$1(phi1),
- delta = lambda1 - lambda0,
- sign$$1 = delta >= 0 ? 1 : -1,
- absDelta = sign$$1 * delta,
- antimeridian = absDelta > pi$4,
- k = sinPhi0 * sinPhi1;
-
- sum$2.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta)));
- angle += antimeridian ? delta + sign$$1 * tau$4 : delta;
-
- // Are the longitudes either side of the point’s meridian (lambda),
- // and are the latitudes smaller than the parallel (phi)?
- if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) {
- var arc = cartesianCross(cartesian(point0), cartesian(point1));
- cartesianNormalizeInPlace(arc);
- var intersection = cartesianCross(normal, arc);
- cartesianNormalizeInPlace(intersection);
- var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]);
- if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) {
- winding += antimeridian ^ delta >= 0 ? 1 : -1;
- }
- }
- }
- }
-
- // First, determine whether the South pole is inside or outside:
- //
- // It is inside if:
- // * the polygon winds around it in a clockwise direction.
- // * the polygon does not (cumulatively) wind around it, but has a negative
- // (counter-clockwise) area.
- //
- // Second, count the (signed) number of times a segment crosses a lambda
- // from the point to the South pole. If it is zero, then the point is the
- // same side as the South pole.
-
- return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1);
-};
-
var clip = function(pointVisible, clipLine, interpolate, start) {
return function(rotate, sink) {
var line = clipLine(sink),
rotatedStart = rotate.invert(start[0], start[1]),
ringBuffer = clipBuffer(),
@@ -15044,19 +8480,19 @@
}
// Intersections are sorted along the clip edge. For both antimeridian cutting
// and circle clipping, the same comparison is used.
function compareIntersection(a, b) {
- return ((a = a.x)[0] < 0 ? a[1] - halfPi$3 - epsilon$4 : halfPi$3 - a[1])
- - ((b = b.x)[0] < 0 ? b[1] - halfPi$3 - epsilon$4 : halfPi$3 - b[1]);
+ return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1])
+ - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]);
}
var clipAntimeridian = clip(
function() { return true; },
clipAntimeridianLine,
clipAntimeridianInterpolate,
- [-pi$4, -halfPi$3]
+ [-pi$3, -halfPi$2]
);
// Takes a line and cuts into visible segments. Return values: 0 - there were
// intersections or the line was empty; 1 - no intersections; 2 - there were
// intersections, and the first and last segments should be rejoined.
@@ -15070,23 +8506,23 @@
lineStart: function() {
stream.lineStart();
clean = 1;
},
point: function(lambda1, phi1) {
- var sign1 = lambda1 > 0 ? pi$4 : -pi$4,
+ var sign1 = lambda1 > 0 ? pi$3 : -pi$3,
delta = abs(lambda1 - lambda0);
- if (abs(delta - pi$4) < epsilon$4) { // line crosses a pole
- stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$3 : -halfPi$3);
+ if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole
+ stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2);
stream.point(sign0, phi0);
stream.lineEnd();
stream.lineStart();
stream.point(sign1, phi0);
stream.point(lambda1, phi0);
clean = 0;
- } else if (sign0 !== sign1 && delta >= pi$4) { // line crosses antimeridian
- if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies
- if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4;
+ } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian
+ if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies
+ if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2;
phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1);
stream.point(sign0, phi0);
stream.lineEnd();
stream.lineStart();
stream.point(sign1, phi0);
@@ -15107,32 +8543,32 @@
function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) {
var cosPhi0,
cosPhi1,
sinLambda0Lambda1 = sin$1(lambda0 - lambda1);
- return abs(sinLambda0Lambda1) > epsilon$4
+ return abs(sinLambda0Lambda1) > epsilon$2
? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1)
- sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0))
/ (cosPhi0 * cosPhi1 * sinLambda0Lambda1))
: (phi0 + phi1) / 2;
}
function clipAntimeridianInterpolate(from, to, direction, stream) {
var phi;
if (from == null) {
- phi = direction * halfPi$3;
- stream.point(-pi$4, phi);
+ phi = direction * halfPi$2;
+ stream.point(-pi$3, phi);
stream.point(0, phi);
- stream.point(pi$4, phi);
- stream.point(pi$4, 0);
- stream.point(pi$4, -phi);
+ stream.point(pi$3, phi);
+ stream.point(pi$3, 0);
+ stream.point(pi$3, -phi);
stream.point(0, -phi);
- stream.point(-pi$4, -phi);
- stream.point(-pi$4, 0);
- stream.point(-pi$4, phi);
- } else if (abs(from[0] - to[0]) > epsilon$4) {
- var lambda = from[0] < to[0] ? pi$4 : -pi$4;
+ stream.point(-pi$3, -phi);
+ stream.point(-pi$3, 0);
+ stream.point(-pi$3, phi);
+ } else if (abs(from[0] - to[0]) > epsilon$2) {
+ var lambda = from[0] < to[0] ? pi$3 : -pi$3;
phi = direction * lambda / 2;
stream.point(-lambda, phi);
stream.point(0, phi);
stream.point(lambda, phi);
} else {
@@ -15141,11 +8577,11 @@
}
var clipCircle = function(radius, delta) {
var cr = cos$1(radius),
smallRadius = cr > 0,
- notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case
+ notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case
function interpolate(from, to, direction, stream) {
circleStream(stream, radius, delta, direction, from, to);
}
@@ -15172,19 +8608,19 @@
var point1 = [lambda, phi],
point2,
v = visible(lambda, phi),
c = smallRadius
? v ? 0 : code(lambda, phi)
- : v ? code(lambda + (lambda < 0 ? pi$4 : -pi$4), phi) : 0;
+ : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0;
if (!point0 && (v00 = v0 = v)) stream.lineStart();
// Handle degeneracies.
// TODO ignore if not clipping polygons.
if (v !== v0) {
point2 = intersect(point0, point1);
if (pointEqual(point0, point2) || pointEqual(point1, point2)) {
- point1[0] += epsilon$4;
- point1[1] += epsilon$4;
+ point1[0] += epsilon$2;
+ point1[1] += epsilon$2;
v = visible(point1[0], point1[1]);
}
}
if (v !== v0) {
clean = 0;
@@ -15265,11 +8701,11 @@
uu = cartesianDot(u, u),
t2 = w * w - uu * (cartesianDot(A, A) - 1);
if (t2 < 0) return;
- var t = sqrt$1(t2),
+ var t = sqrt(t2),
q = cartesianScale(u, (-w - t) / uu);
cartesianAddInPlace(q, A);
q = spherical(q);
if (!two) return q;
@@ -15282,43 +8718,43 @@
z;
if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z;
var delta = lambda1 - lambda0,
- polar = abs(delta - pi$4) < epsilon$4,
- meridian = polar || delta < epsilon$4;
+ polar = abs(delta - pi$3) < epsilon$2,
+ meridian = polar || delta < epsilon$2;
if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z;
// Check that the first point is between a and b.
if (meridian
? polar
- ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1)
+ ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1)
: phi0 <= q[1] && q[1] <= phi1
- : delta > pi$4 ^ (lambda0 <= q[0] && q[0] <= lambda1)) {
+ : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) {
var q1 = cartesianScale(u, (-w + t) / uu);
cartesianAddInPlace(q1, A);
return [q, spherical(q1)];
}
}
// Generates a 4-bit vector representing the location of a point relative to
// the small circle's bounding box.
function code(lambda, phi) {
- var r = smallRadius ? radius : pi$4 - radius,
+ var r = smallRadius ? radius : pi$3 - radius,
code = 0;
if (lambda < -r) code |= 1; // left
else if (lambda > r) code |= 2; // right
if (phi < -r) code |= 4; // below
else if (phi > r) code |= 8; // above
return code;
}
- return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$4, radius - pi$4]);
+ return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]);
};
-var transform$1 = function(methods) {
+var transform = function(methods) {
return {
stream: transformer(methods)
};
};
@@ -15396,13 +8832,13 @@
d2 = dx * dx + dy * dy;
if (d2 > 4 * delta2 && depth--) {
var a = a0 + a1,
b = b0 + b1,
c = c0 + c1,
- m = sqrt$1(a * a + b * b + c * c),
- phi2 = asin$1(c /= m),
- lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a),
+ m = sqrt(a * a + b * b + c * c),
+ phi2 = asin(c /= m),
+ lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a),
p = project(lambda2, phi2),
x2 = p[0],
y2 = p[1],
dx2 = x2 - x0,
dy2 = y2 - y0,
@@ -15486,11 +8922,11 @@
k = 150, // scale
x = 480, y = 250, // translate
dx, dy, lambda = 0, phi = 0, // center
deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate
theta = null, preclip = clipAntimeridian, // clip angle
- x0 = null, y0, x1, y1, postclip = identity$7, // clip extent
+ x0 = null, y0, x1, y1, postclip = identity$4, // clip extent
delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision
cache,
cacheStream;
function projection(point) {
@@ -15514,11 +8950,11 @@
projection.clipAngle = function(_) {
return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1;
};
projection.clipExtent = function(_) {
- return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
+ return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
};
projection.scale = function(_) {
return arguments.length ? (k = +_, recenter()) : k;
};
@@ -15534,11 +8970,11 @@
projection.rotate = function(_) {
return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1];
};
projection.precision = function(_) {
- return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2);
+ return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2);
};
projection.fitExtent = function(extent, object) {
return fitExtent(projection, extent, object);
};
@@ -15567,11 +9003,11 @@
};
}
function conicProjection(projectAt) {
var phi0 = 0,
- phi1 = pi$4 / 3,
+ phi1 = pi$3 / 3,
m = projectionMutator(projectAt),
p = m(phi0, phi1);
p.parallels = function(_) {
return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1];
@@ -15586,32 +9022,32 @@
function forward(lambda, phi) {
return [lambda * cosPhi0, sin$1(phi) / cosPhi0];
}
forward.invert = function(x, y) {
- return [x / cosPhi0, asin$1(y * cosPhi0)];
+ return [x / cosPhi0, asin(y * cosPhi0)];
};
return forward;
}
function conicEqualAreaRaw(y0, y1) {
var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2;
// Are the parallels symmetrical around the Equator?
- if (abs(n) < epsilon$4) return cylindricalEqualAreaRaw(y0);
+ if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0);
- var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt$1(c) / n;
+ var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n;
function project(x, y) {
- var r = sqrt$1(c - 2 * n * sin$1(y)) / n;
+ var r = sqrt(c - 2 * n * sin$1(y)) / n;
return [r * sin$1(x *= n), r0 - r * cos$1(x)];
}
project.invert = function(x, y) {
var r0y = r0 - y;
- return [atan2(x, abs(r0y)) / n * sign$1(r0y), asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))];
+ return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))];
};
return project;
}
@@ -15700,16 +9136,16 @@
.clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]])
.stream(pointStream);
alaskaPoint = alaska
.translate([x - 0.307 * k, y + 0.201 * k])
- .clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]])
+ .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]])
.stream(pointStream);
hawaiiPoint = hawaii
.translate([x - 0.205 * k, y + 0.212 * k])
- .clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]])
+ .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]])
.stream(pointStream);
return reset();
};
@@ -15741,27 +9177,27 @@
}
}
function azimuthalInvert(angle) {
return function(x, y) {
- var z = sqrt$1(x * x + y * y),
+ var z = sqrt(x * x + y * y),
c = angle(z),
sc = sin$1(c),
cc = cos$1(c);
return [
atan2(x * sc, z * cc),
- asin$1(z && y * sc / z)
+ asin(z && y * sc / z)
];
}
}
var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) {
- return sqrt$1(2 / (1 + cxcy));
+ return sqrt(2 / (1 + cxcy));
});
azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) {
- return 2 * asin$1(z / 2);
+ return 2 * asin(z / 2);
});
var azimuthalEqualArea = function() {
return projection(azimuthalEqualAreaRaw)
.scale(124.75)
@@ -15781,20 +9217,20 @@
.scale(79.4188)
.clipAngle(180 - 1e-3);
};
function mercatorRaw(lambda, phi) {
- return [lambda, log$1(tan((halfPi$3 + phi) / 2))];
+ return [lambda, log(tan((halfPi$2 + phi) / 2))];
}
mercatorRaw.invert = function(x, y) {
- return [x, 2 * atan(exp(y)) - halfPi$3];
+ return [x, 2 * atan(exp(y)) - halfPi$2];
};
var mercator = function() {
return mercatorProjection(mercatorRaw)
- .scale(961 / tau$4);
+ .scale(961 / tau$3);
};
function mercatorProjection(project) {
var m = projection(project),
scale = m.scale,
@@ -15811,11 +9247,11 @@
};
m.clipExtent = function(_) {
if (!arguments.length) return clipAuto ? null : clipExtent();
if (clipAuto = _ == null) {
- var k = pi$4 * scale(),
+ var k = pi$3 * scale(),
t = translate();
_ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]];
}
clipExtent(_);
return m;
@@ -15823,30 +9259,30 @@
return m.clipExtent(null);
}
function tany(y) {
- return tan((halfPi$3 + y) / 2);
+ return tan((halfPi$2 + y) / 2);
}
function conicConformalRaw(y0, y1) {
var cy0 = cos$1(y0),
- n = y0 === y1 ? sin$1(y0) : log$1(cy0 / cos$1(y1)) / log$1(tany(y1) / tany(y0)),
- f = cy0 * pow$1(tany(y0), n) / n;
+ n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)),
+ f = cy0 * pow(tany(y0), n) / n;
if (!n) return mercatorRaw;
function project(x, y) {
- if (f > 0) { if (y < -halfPi$3 + epsilon$4) y = -halfPi$3 + epsilon$4; }
- else { if (y > halfPi$3 - epsilon$4) y = halfPi$3 - epsilon$4; }
- var r = f / pow$1(tany(y), n);
+ if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; }
+ else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; }
+ var r = f / pow(tany(y), n);
return [r * sin$1(n * x), f - r * cos$1(n * x)];
}
project.invert = function(x, y) {
- var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy);
- return [atan2(x, abs(fy)) / n * sign$1(fy), 2 * atan(pow$1(f / r, 1 / n)) - halfPi$3];
+ var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy);
+ return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2];
};
return project;
}
@@ -15870,20 +9306,20 @@
function conicEquidistantRaw(y0, y1) {
var cy0 = cos$1(y0),
n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0),
g = cy0 / n + y0;
- if (abs(n) < epsilon$4) return equirectangularRaw;
+ if (abs(n) < epsilon$2) return equirectangularRaw;
function project(x, y) {
var gy = g - y, nx = n * x;
return [gy * sin$1(nx), g - gy * cos$1(nx)];
}
project.invert = function(x, y) {
var gy = g - y;
- return [atan2(x, abs(gy)) / n * sign$1(gy), g - sign$1(n) * sqrt$1(x * x + gy * gy)];
+ return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)];
};
return project;
}
@@ -15904,21 +9340,21 @@
return projection(gnomonicRaw)
.scale(144.049)
.clipAngle(60);
};
-function scaleTranslate(k, tx, ty) {
- return k === 1 && tx === 0 && ty === 0 ? identity$7 : transformer({
+function scaleTranslate(kx, ky, tx, ty) {
+ return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({
point: function(x, y) {
- this.stream.point(x * k + tx, y * k + ty);
+ this.stream.point(x * kx + tx, y * ky + ty);
}
});
}
-var identity$8 = function() {
- var k = 1, tx = 0, ty = 0, transform = identity$7, // scale and translate
- x0 = null, y0, x1, y1, clip = identity$7, // clip extent
+var identity$5 = function() {
+ var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity$4, // scale, translate and reflect
+ x0 = null, y0, x1, y1, clip = identity$4, // clip extent
cache,
cacheStream,
projection;
function reset() {
@@ -15929,18 +9365,24 @@
return projection = {
stream: function(stream) {
return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream));
},
clipExtent: function(_) {
- return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
+ return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
},
scale: function(_) {
- return arguments.length ? (transform = scaleTranslate(k = +_, tx, ty), reset()) : k;
+ return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k;
},
translate: function(_) {
- return arguments.length ? (transform = scaleTranslate(k, tx = +_[0], ty = +_[1]), reset()) : [tx, ty];
+ return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty];
},
+ reflectX: function(_) {
+ return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0;
+ },
+ reflectY: function(_) {
+ return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0;
+ },
fitExtent: function(extent, object) {
return fitExtent(projection, extent, object);
},
fitSize: function(size, object) {
return fitSize(projection, size, object);
@@ -15950,16 +9392,16 @@
function orthographicRaw(x, y) {
return [cos$1(y) * sin$1(x), sin$1(y)];
}
-orthographicRaw.invert = azimuthalInvert(asin$1);
+orthographicRaw.invert = azimuthalInvert(asin);
var orthographic = function() {
return projection(orthographicRaw)
.scale(249.5)
- .clipAngle(90 + epsilon$4);
+ .clipAngle(90 + epsilon$2);
};
function stereographicRaw(x, y) {
var cy = cos$1(y), k = 1 + cos$1(x) * cy;
return [cy * sin$1(x) / k, sin$1(y) / k];
@@ -15974,15 +9416,15 @@
.scale(250)
.clipAngle(142);
};
function transverseMercatorRaw(lambda, phi) {
- return [log$1(tan((halfPi$3 + phi) / 2)), -lambda];
+ return [log(tan((halfPi$2 + phi) / 2)), -lambda];
}
transverseMercatorRaw.invert = function(x, y) {
- return [-y, 2 * atan(exp(x)) - halfPi$3];
+ return [-y, 2 * atan(exp(x)) - halfPi$2];
};
var transverseMercator = function() {
var m = mercatorProjection(transverseMercatorRaw),
center = m.center,
@@ -15998,16 +9440,6747 @@
return rotate([0, 0, 90])
.scale(159.155);
};
+function defaultSeparation(a, b) {
+ return a.parent === b.parent ? 1 : 2;
+}
+
+function meanX(children) {
+ return children.reduce(meanXReduce, 0) / children.length;
+}
+
+function meanXReduce(x, c) {
+ return x + c.x;
+}
+
+function maxY(children) {
+ return 1 + children.reduce(maxYReduce, 0);
+}
+
+function maxYReduce(y, c) {
+ return Math.max(y, c.y);
+}
+
+function leafLeft(node) {
+ var children;
+ while (children = node.children) node = children[0];
+ return node;
+}
+
+function leafRight(node) {
+ var children;
+ while (children = node.children) node = children[children.length - 1];
+ return node;
+}
+
+var cluster = function() {
+ var separation = defaultSeparation,
+ dx = 1,
+ dy = 1,
+ nodeSize = false;
+
+ function cluster(root) {
+ var previousNode,
+ x = 0;
+
+ // First walk, computing the initial x & y values.
+ root.eachAfter(function(node) {
+ var children = node.children;
+ if (children) {
+ node.x = meanX(children);
+ node.y = maxY(children);
+ } else {
+ node.x = previousNode ? x += separation(node, previousNode) : 0;
+ node.y = 0;
+ previousNode = node;
+ }
+ });
+
+ var left = leafLeft(root),
+ right = leafRight(root),
+ x0 = left.x - separation(left, right) / 2,
+ x1 = right.x + separation(right, left) / 2;
+
+ // Second walk, normalizing x & y to the desired size.
+ return root.eachAfter(nodeSize ? function(node) {
+ node.x = (node.x - root.x) * dx;
+ node.y = (root.y - node.y) * dy;
+ } : function(node) {
+ node.x = (node.x - x0) / (x1 - x0) * dx;
+ node.y = (1 - (root.y ? node.y / root.y : 1)) * dy;
+ });
+ }
+
+ cluster.separation = function(x) {
+ return arguments.length ? (separation = x, cluster) : separation;
+ };
+
+ cluster.size = function(x) {
+ return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]);
+ };
+
+ cluster.nodeSize = function(x) {
+ return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null);
+ };
+
+ return cluster;
+};
+
+function count(node) {
+ var sum = 0,
+ children = node.children,
+ i = children && children.length;
+ if (!i) sum = 1;
+ else while (--i >= 0) sum += children[i].value;
+ node.value = sum;
+}
+
+var node_count = function() {
+ return this.eachAfter(count);
+};
+
+var node_each = function(callback) {
+ var node = this, current, next = [node], children, i, n;
+ do {
+ current = next.reverse(), next = [];
+ while (node = current.pop()) {
+ callback(node), children = node.children;
+ if (children) for (i = 0, n = children.length; i < n; ++i) {
+ next.push(children[i]);
+ }
+ }
+ } while (next.length);
+ return this;
+};
+
+var node_eachBefore = function(callback) {
+ var node = this, nodes = [node], children, i;
+ while (node = nodes.pop()) {
+ callback(node), children = node.children;
+ if (children) for (i = children.length - 1; i >= 0; --i) {
+ nodes.push(children[i]);
+ }
+ }
+ return this;
+};
+
+var node_eachAfter = function(callback) {
+ var node = this, nodes = [node], next = [], children, i, n;
+ while (node = nodes.pop()) {
+ next.push(node), children = node.children;
+ if (children) for (i = 0, n = children.length; i < n; ++i) {
+ nodes.push(children[i]);
+ }
+ }
+ while (node = next.pop()) {
+ callback(node);
+ }
+ return this;
+};
+
+var node_sum = function(value) {
+ return this.eachAfter(function(node) {
+ var sum = +value(node.data) || 0,
+ children = node.children,
+ i = children && children.length;
+ while (--i >= 0) sum += children[i].value;
+ node.value = sum;
+ });
+};
+
+var node_sort = function(compare) {
+ return this.eachBefore(function(node) {
+ if (node.children) {
+ node.children.sort(compare);
+ }
+ });
+};
+
+var node_path = function(end) {
+ var start = this,
+ ancestor = leastCommonAncestor(start, end),
+ nodes = [start];
+ while (start !== ancestor) {
+ start = start.parent;
+ nodes.push(start);
+ }
+ var k = nodes.length;
+ while (end !== ancestor) {
+ nodes.splice(k, 0, end);
+ end = end.parent;
+ }
+ return nodes;
+};
+
+function leastCommonAncestor(a, b) {
+ if (a === b) return a;
+ var aNodes = a.ancestors(),
+ bNodes = b.ancestors(),
+ c = null;
+ a = aNodes.pop();
+ b = bNodes.pop();
+ while (a === b) {
+ c = a;
+ a = aNodes.pop();
+ b = bNodes.pop();
+ }
+ return c;
+}
+
+var node_ancestors = function() {
+ var node = this, nodes = [node];
+ while (node = node.parent) {
+ nodes.push(node);
+ }
+ return nodes;
+};
+
+var node_descendants = function() {
+ var nodes = [];
+ this.each(function(node) {
+ nodes.push(node);
+ });
+ return nodes;
+};
+
+var node_leaves = function() {
+ var leaves = [];
+ this.eachBefore(function(node) {
+ if (!node.children) {
+ leaves.push(node);
+ }
+ });
+ return leaves;
+};
+
+var node_links = function() {
+ var root = this, links = [];
+ root.each(function(node) {
+ if (node !== root) { // Don’t include the root’s parent, if any.
+ links.push({source: node.parent, target: node});
+ }
+ });
+ return links;
+};
+
+function hierarchy(data, children) {
+ var root = new Node(data),
+ valued = +data.value && (root.value = data.value),
+ node,
+ nodes = [root],
+ child,
+ childs,
+ i,
+ n;
+
+ if (children == null) children = defaultChildren;
+
+ while (node = nodes.pop()) {
+ if (valued) node.value = +node.data.value;
+ if ((childs = children(node.data)) && (n = childs.length)) {
+ node.children = new Array(n);
+ for (i = n - 1; i >= 0; --i) {
+ nodes.push(child = node.children[i] = new Node(childs[i]));
+ child.parent = node;
+ child.depth = node.depth + 1;
+ }
+ }
+ }
+
+ return root.eachBefore(computeHeight);
+}
+
+function node_copy() {
+ return hierarchy(this).eachBefore(copyData);
+}
+
+function defaultChildren(d) {
+ return d.children;
+}
+
+function copyData(node) {
+ node.data = node.data.data;
+}
+
+function computeHeight(node) {
+ var height = 0;
+ do node.height = height;
+ while ((node = node.parent) && (node.height < ++height));
+}
+
+function Node(data) {
+ this.data = data;
+ this.depth =
+ this.height = 0;
+ this.parent = null;
+}
+
+Node.prototype = hierarchy.prototype = {
+ constructor: Node,
+ count: node_count,
+ each: node_each,
+ eachAfter: node_eachAfter,
+ eachBefore: node_eachBefore,
+ sum: node_sum,
+ sort: node_sort,
+ path: node_path,
+ ancestors: node_ancestors,
+ descendants: node_descendants,
+ leaves: node_leaves,
+ links: node_links,
+ copy: node_copy
+};
+
+function Node$2(value) {
+ this._ = value;
+ this.next = null;
+}
+
+var shuffle$1 = function(array) {
+ var i,
+ n = (array = array.slice()).length,
+ head = null,
+ node = head;
+
+ while (n) {
+ var next = new Node$2(array[n - 1]);
+ if (node) node = node.next = next;
+ else node = head = next;
+ array[i] = array[--n];
+ }
+
+ return {
+ head: head,
+ tail: node
+ };
+};
+
+var enclose = function(circles) {
+ return encloseN(shuffle$1(circles), []);
+};
+
+function encloses(a, b) {
+ var dx = b.x - a.x,
+ dy = b.y - a.y,
+ dr = a.r - b.r;
+ return dr * dr + 1e-6 > dx * dx + dy * dy;
+}
+
+// Returns the smallest circle that contains circles L and intersects circles B.
+function encloseN(L, B) {
+ var circle,
+ l0 = null,
+ l1 = L.head,
+ l2,
+ p1;
+
+ switch (B.length) {
+ case 1: circle = enclose1(B[0]); break;
+ case 2: circle = enclose2(B[0], B[1]); break;
+ case 3: circle = enclose3(B[0], B[1], B[2]); break;
+ }
+
+ while (l1) {
+ p1 = l1._, l2 = l1.next;
+ if (!circle || !encloses(circle, p1)) {
+
+ // Temporarily truncate L before l1.
+ if (l0) L.tail = l0, l0.next = null;
+ else L.head = L.tail = null;
+
+ B.push(p1);
+ circle = encloseN(L, B); // Note: reorders L!
+ B.pop();
+
+ // Move l1 to the front of L and reconnect the truncated list L.
+ if (L.head) l1.next = L.head, L.head = l1;
+ else l1.next = null, L.head = L.tail = l1;
+ l0 = L.tail, l0.next = l2;
+
+ } else {
+ l0 = l1;
+ }
+ l1 = l2;
+ }
+
+ L.tail = l0;
+ return circle;
+}
+
+function enclose1(a) {
+ return {
+ x: a.x,
+ y: a.y,
+ r: a.r
+ };
+}
+
+function enclose2(a, b) {
+ var x1 = a.x, y1 = a.y, r1 = a.r,
+ x2 = b.x, y2 = b.y, r2 = b.r,
+ x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1,
+ l = Math.sqrt(x21 * x21 + y21 * y21);
+ return {
+ x: (x1 + x2 + x21 / l * r21) / 2,
+ y: (y1 + y2 + y21 / l * r21) / 2,
+ r: (l + r1 + r2) / 2
+ };
+}
+
+function enclose3(a, b, c) {
+ var x1 = a.x, y1 = a.y, r1 = a.r,
+ x2 = b.x, y2 = b.y, r2 = b.r,
+ x3 = c.x, y3 = c.y, r3 = c.r,
+ a2 = 2 * (x1 - x2),
+ b2 = 2 * (y1 - y2),
+ c2 = 2 * (r2 - r1),
+ d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2,
+ a3 = 2 * (x1 - x3),
+ b3 = 2 * (y1 - y3),
+ c3 = 2 * (r3 - r1),
+ d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3,
+ ab = a3 * b2 - a2 * b3,
+ xa = (b2 * d3 - b3 * d2) / ab - x1,
+ xb = (b3 * c2 - b2 * c3) / ab,
+ ya = (a3 * d2 - a2 * d3) / ab - y1,
+ yb = (a2 * c3 - a3 * c2) / ab,
+ A = xb * xb + yb * yb - 1,
+ B = 2 * (xa * xb + ya * yb + r1),
+ C = xa * xa + ya * ya - r1 * r1,
+ r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A);
+ return {
+ x: xa + xb * r + x1,
+ y: ya + yb * r + y1,
+ r: r
+ };
+}
+
+function place(a, b, c) {
+ var ax = a.x,
+ ay = a.y,
+ da = b.r + c.r,
+ db = a.r + c.r,
+ dx = b.x - ax,
+ dy = b.y - ay,
+ dc = dx * dx + dy * dy;
+ if (dc) {
+ var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc),
+ y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+ c.x = ax + x * dx + y * dy;
+ c.y = ay + x * dy - y * dx;
+ } else {
+ c.x = ax + db;
+ c.y = ay;
+ }
+}
+
+function intersects(a, b) {
+ var dx = b.x - a.x,
+ dy = b.y - a.y,
+ dr = a.r + b.r;
+ return dr * dr - 1e-6 > dx * dx + dy * dy;
+}
+
+function distance1(a, b) {
+ var l = a._.r;
+ while (a !== b) l += 2 * (a = a.next)._.r;
+ return l - b._.r;
+}
+
+function distance2(node, x, y) {
+ var a = node._,
+ b = node.next._,
+ ab = a.r + b.r,
+ dx = (a.x * b.r + b.x * a.r) / ab - x,
+ dy = (a.y * b.r + b.y * a.r) / ab - y;
+ return dx * dx + dy * dy;
+}
+
+function Node$1(circle) {
+ this._ = circle;
+ this.next = null;
+ this.previous = null;
+}
+
+function packEnclose(circles) {
+ if (!(n = circles.length)) return 0;
+
+ var a, b, c, n;
+
+ // Place the first circle.
+ a = circles[0], a.x = 0, a.y = 0;
+ if (!(n > 1)) return a.r;
+
+ // Place the second circle.
+ b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0;
+ if (!(n > 2)) return a.r + b.r;
+
+ // Place the third circle.
+ place(b, a, c = circles[2]);
+
+ // Initialize the weighted centroid.
+ var aa = a.r * a.r,
+ ba = b.r * b.r,
+ ca = c.r * c.r,
+ oa = aa + ba + ca,
+ ox = aa * a.x + ba * b.x + ca * c.x,
+ oy = aa * a.y + ba * b.y + ca * c.y,
+ cx, cy, i, j, k, sj, sk;
+
+ // Initialize the front-chain using the first three circles a, b and c.
+ a = new Node$1(a), b = new Node$1(b), c = new Node$1(c);
+ a.next = c.previous = b;
+ b.next = a.previous = c;
+ c.next = b.previous = a;
+
+ // Attempt to place each remaining circle…
+ pack: for (i = 3; i < n; ++i) {
+ place(a._, b._, c = circles[i]), c = new Node$1(c);
+
+ // Find the closest intersecting circle on the front-chain, if any.
+ // “Closeness” is determined by linear distance along the front-chain.
+ // “Ahead” or “behind” is likewise determined by linear distance.
+ j = b.next, k = a.previous, sj = b._.r, sk = a._.r;
+ do {
+ if (sj <= sk) {
+ if (intersects(j._, c._)) {
+ if (sj + a._.r + b._.r > distance1(j, b)) a = j; else b = j;
+ a.next = b, b.previous = a, --i;
+ continue pack;
+ }
+ sj += j._.r, j = j.next;
+ } else {
+ if (intersects(k._, c._)) {
+ if (distance1(a, k) > sk + a._.r + b._.r) a = k; else b = k;
+ a.next = b, b.previous = a, --i;
+ continue pack;
+ }
+ sk += k._.r, k = k.previous;
+ }
+ } while (j !== k.next);
+
+ // Success! Insert the new circle c between a and b.
+ c.previous = a, c.next = b, a.next = b.previous = b = c;
+
+ // Update the weighted centroid.
+ oa += ca = c._.r * c._.r;
+ ox += ca * c._.x;
+ oy += ca * c._.y;
+
+ // Compute the new closest circle pair to the centroid.
+ aa = distance2(a, cx = ox / oa, cy = oy / oa);
+ while ((c = c.next) !== b) {
+ if ((ca = distance2(c, cx, cy)) < aa) {
+ a = c, aa = ca;
+ }
+ }
+ b = a.next;
+ }
+
+ // Compute the enclosing circle of the front chain.
+ a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a);
+
+ // Translate the circles to put the enclosing circle around the origin.
+ for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y;
+
+ return c.r;
+}
+
+var siblings = function(circles) {
+ packEnclose(circles);
+ return circles;
+};
+
+function optional(f) {
+ return f == null ? null : required(f);
+}
+
+function required(f) {
+ if (typeof f !== "function") throw new Error;
+ return f;
+}
+
+function constantZero() {
+ return 0;
+}
+
+var constant$8 = function(x) {
+ return function() {
+ return x;
+ };
+};
+
+function defaultRadius$1(d) {
+ return Math.sqrt(d.value);
+}
+
+var index$2 = function() {
+ var radius = null,
+ dx = 1,
+ dy = 1,
+ padding = constantZero;
+
+ function pack(root) {
+ root.x = dx / 2, root.y = dy / 2;
+ if (radius) {
+ root.eachBefore(radiusLeaf(radius))
+ .eachAfter(packChildren(padding, 0.5))
+ .eachBefore(translateChild(1));
+ } else {
+ root.eachBefore(radiusLeaf(defaultRadius$1))
+ .eachAfter(packChildren(constantZero, 1))
+ .eachAfter(packChildren(padding, root.r / Math.min(dx, dy)))
+ .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r)));
+ }
+ return root;
+ }
+
+ pack.radius = function(x) {
+ return arguments.length ? (radius = optional(x), pack) : radius;
+ };
+
+ pack.size = function(x) {
+ return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy];
+ };
+
+ pack.padding = function(x) {
+ return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding;
+ };
+
+ return pack;
+};
+
+function radiusLeaf(radius) {
+ return function(node) {
+ if (!node.children) {
+ node.r = Math.max(0, +radius(node) || 0);
+ }
+ };
+}
+
+function packChildren(padding, k) {
+ return function(node) {
+ if (children = node.children) {
+ var children,
+ i,
+ n = children.length,
+ r = padding(node) * k || 0,
+ e;
+
+ if (r) for (i = 0; i < n; ++i) children[i].r += r;
+ e = packEnclose(children);
+ if (r) for (i = 0; i < n; ++i) children[i].r -= r;
+ node.r = e + r;
+ }
+ };
+}
+
+function translateChild(k) {
+ return function(node) {
+ var parent = node.parent;
+ node.r *= k;
+ if (parent) {
+ node.x = parent.x + k * node.x;
+ node.y = parent.y + k * node.y;
+ }
+ };
+}
+
+var roundNode = function(node) {
+ node.x0 = Math.round(node.x0);
+ node.y0 = Math.round(node.y0);
+ node.x1 = Math.round(node.x1);
+ node.y1 = Math.round(node.y1);
+};
+
+var treemapDice = function(parent, x0, y0, x1, y1) {
+ var nodes = parent.children,
+ node,
+ i = -1,
+ n = nodes.length,
+ k = parent.value && (x1 - x0) / parent.value;
+
+ while (++i < n) {
+ node = nodes[i], node.y0 = y0, node.y1 = y1;
+ node.x0 = x0, node.x1 = x0 += node.value * k;
+ }
+};
+
+var partition = function() {
+ var dx = 1,
+ dy = 1,
+ padding = 0,
+ round = false;
+
+ function partition(root) {
+ var n = root.height + 1;
+ root.x0 =
+ root.y0 = padding;
+ root.x1 = dx;
+ root.y1 = dy / n;
+ root.eachBefore(positionNode(dy, n));
+ if (round) root.eachBefore(roundNode);
+ return root;
+ }
+
+ function positionNode(dy, n) {
+ return function(node) {
+ if (node.children) {
+ treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n);
+ }
+ var x0 = node.x0,
+ y0 = node.y0,
+ x1 = node.x1 - padding,
+ y1 = node.y1 - padding;
+ if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
+ if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
+ node.x0 = x0;
+ node.y0 = y0;
+ node.x1 = x1;
+ node.y1 = y1;
+ };
+ }
+
+ partition.round = function(x) {
+ return arguments.length ? (round = !!x, partition) : round;
+ };
+
+ partition.size = function(x) {
+ return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy];
+ };
+
+ partition.padding = function(x) {
+ return arguments.length ? (padding = +x, partition) : padding;
+ };
+
+ return partition;
+};
+
+var keyPrefix$1 = "$";
+var preroot = {depth: -1};
+var ambiguous = {};
+
+function defaultId(d) {
+ return d.id;
+}
+
+function defaultParentId(d) {
+ return d.parentId;
+}
+
+var stratify = function() {
+ var id = defaultId,
+ parentId = defaultParentId;
+
+ function stratify(data) {
+ var d,
+ i,
+ n = data.length,
+ root,
+ parent,
+ node,
+ nodes = new Array(n),
+ nodeId,
+ nodeKey,
+ nodeByKey = {};
+
+ for (i = 0; i < n; ++i) {
+ d = data[i], node = nodes[i] = new Node(d);
+ if ((nodeId = id(d, i, data)) != null && (nodeId += "")) {
+ nodeKey = keyPrefix$1 + (node.id = nodeId);
+ nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node;
+ }
+ }
+
+ for (i = 0; i < n; ++i) {
+ node = nodes[i], nodeId = parentId(data[i], i, data);
+ if (nodeId == null || !(nodeId += "")) {
+ if (root) throw new Error("multiple roots");
+ root = node;
+ } else {
+ parent = nodeByKey[keyPrefix$1 + nodeId];
+ if (!parent) throw new Error("missing: " + nodeId);
+ if (parent === ambiguous) throw new Error("ambiguous: " + nodeId);
+ if (parent.children) parent.children.push(node);
+ else parent.children = [node];
+ node.parent = parent;
+ }
+ }
+
+ if (!root) throw new Error("no root");
+ root.parent = preroot;
+ root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight);
+ root.parent = null;
+ if (n > 0) throw new Error("cycle");
+
+ return root;
+ }
+
+ stratify.id = function(x) {
+ return arguments.length ? (id = required(x), stratify) : id;
+ };
+
+ stratify.parentId = function(x) {
+ return arguments.length ? (parentId = required(x), stratify) : parentId;
+ };
+
+ return stratify;
+};
+
+function defaultSeparation$1(a, b) {
+ return a.parent === b.parent ? 1 : 2;
+}
+
+// function radialSeparation(a, b) {
+// return (a.parent === b.parent ? 1 : 2) / a.depth;
+// }
+
+// This function is used to traverse the left contour of a subtree (or
+// subforest). It returns the successor of v on this contour. This successor is
+// either given by the leftmost child of v or by the thread of v. The function
+// returns null if and only if v is on the highest level of its subtree.
+function nextLeft(v) {
+ var children = v.children;
+ return children ? children[0] : v.t;
+}
+
+// This function works analogously to nextLeft.
+function nextRight(v) {
+ var children = v.children;
+ return children ? children[children.length - 1] : v.t;
+}
+
+// Shifts the current subtree rooted at w+. This is done by increasing
+// prelim(w+) and mod(w+) by shift.
+function moveSubtree(wm, wp, shift) {
+ var change = shift / (wp.i - wm.i);
+ wp.c -= change;
+ wp.s += shift;
+ wm.c += change;
+ wp.z += shift;
+ wp.m += shift;
+}
+
+// All other shifts, applied to the smaller subtrees between w- and w+, are
+// performed by this function. To prepare the shifts, we have to adjust
+// change(w+), shift(w+), and change(w-).
+function executeShifts(v) {
+ var shift = 0,
+ change = 0,
+ children = v.children,
+ i = children.length,
+ w;
+ while (--i >= 0) {
+ w = children[i];
+ w.z += shift;
+ w.m += shift;
+ shift += w.s + (change += w.c);
+ }
+}
+
+// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise,
+// returns the specified (default) ancestor.
+function nextAncestor(vim, v, ancestor) {
+ return vim.a.parent === v.parent ? vim.a : ancestor;
+}
+
+function TreeNode(node, i) {
+ this._ = node;
+ this.parent = null;
+ this.children = null;
+ this.A = null; // default ancestor
+ this.a = this; // ancestor
+ this.z = 0; // prelim
+ this.m = 0; // mod
+ this.c = 0; // change
+ this.s = 0; // shift
+ this.t = null; // thread
+ this.i = i; // number
+}
+
+TreeNode.prototype = Object.create(Node.prototype);
+
+function treeRoot(root) {
+ var tree = new TreeNode(root, 0),
+ node,
+ nodes = [tree],
+ child,
+ children,
+ i,
+ n;
+
+ while (node = nodes.pop()) {
+ if (children = node._.children) {
+ node.children = new Array(n = children.length);
+ for (i = n - 1; i >= 0; --i) {
+ nodes.push(child = node.children[i] = new TreeNode(children[i], i));
+ child.parent = node;
+ }
+ }
+ }
+
+ (tree.parent = new TreeNode(null, 0)).children = [tree];
+ return tree;
+}
+
+// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
+var tree = function() {
+ var separation = defaultSeparation$1,
+ dx = 1,
+ dy = 1,
+ nodeSize = null;
+
+ function tree(root) {
+ var t = treeRoot(root);
+
+ // Compute the layout using Buchheim et al.’s algorithm.
+ t.eachAfter(firstWalk), t.parent.m = -t.z;
+ t.eachBefore(secondWalk);
+
+ // If a fixed node size is specified, scale x and y.
+ if (nodeSize) root.eachBefore(sizeNode);
+
+ // If a fixed tree size is specified, scale x and y based on the extent.
+ // Compute the left-most, right-most, and depth-most nodes for extents.
+ else {
+ var left = root,
+ right = root,
+ bottom = root;
+ root.eachBefore(function(node) {
+ if (node.x < left.x) left = node;
+ if (node.x > right.x) right = node;
+ if (node.depth > bottom.depth) bottom = node;
+ });
+ var s = left === right ? 1 : separation(left, right) / 2,
+ tx = s - left.x,
+ kx = dx / (right.x + s + tx),
+ ky = dy / (bottom.depth || 1);
+ root.eachBefore(function(node) {
+ node.x = (node.x + tx) * kx;
+ node.y = node.depth * ky;
+ });
+ }
+
+ return root;
+ }
+
+ // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is
+ // applied recursively to the children of v, as well as the function
+ // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the
+ // node v is placed to the midpoint of its outermost children.
+ function firstWalk(v) {
+ var children = v.children,
+ siblings = v.parent.children,
+ w = v.i ? siblings[v.i - 1] : null;
+ if (children) {
+ executeShifts(v);
+ var midpoint = (children[0].z + children[children.length - 1].z) / 2;
+ if (w) {
+ v.z = w.z + separation(v._, w._);
+ v.m = v.z - midpoint;
+ } else {
+ v.z = midpoint;
+ }
+ } else if (w) {
+ v.z = w.z + separation(v._, w._);
+ }
+ v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
+ }
+
+ // Computes all real x-coordinates by summing up the modifiers recursively.
+ function secondWalk(v) {
+ v._.x = v.z + v.parent.m;
+ v.m += v.parent.m;
+ }
+
+ // The core of the algorithm. Here, a new subtree is combined with the
+ // previous subtrees. Threads are used to traverse the inside and outside
+ // contours of the left and right subtree up to the highest common level. The
+ // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the
+ // superscript o means outside and i means inside, the subscript - means left
+ // subtree and + means right subtree. For summing up the modifiers along the
+ // contour, we use respective variables si+, si-, so-, and so+. Whenever two
+ // nodes of the inside contours conflict, we compute the left one of the
+ // greatest uncommon ancestors using the function ANCESTOR and call MOVE
+ // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees.
+ // Finally, we add a new thread (if necessary).
+ function apportion(v, w, ancestor) {
+ if (w) {
+ var vip = v,
+ vop = v,
+ vim = w,
+ vom = vip.parent.children[0],
+ sip = vip.m,
+ sop = vop.m,
+ sim = vim.m,
+ som = vom.m,
+ shift;
+ while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) {
+ vom = nextLeft(vom);
+ vop = nextRight(vop);
+ vop.a = v;
+ shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
+ if (shift > 0) {
+ moveSubtree(nextAncestor(vim, v, ancestor), v, shift);
+ sip += shift;
+ sop += shift;
+ }
+ sim += vim.m;
+ sip += vip.m;
+ som += vom.m;
+ sop += vop.m;
+ }
+ if (vim && !nextRight(vop)) {
+ vop.t = vim;
+ vop.m += sim - sop;
+ }
+ if (vip && !nextLeft(vom)) {
+ vom.t = vip;
+ vom.m += sip - som;
+ ancestor = v;
+ }
+ }
+ return ancestor;
+ }
+
+ function sizeNode(node) {
+ node.x *= dx;
+ node.y = node.depth * dy;
+ }
+
+ tree.separation = function(x) {
+ return arguments.length ? (separation = x, tree) : separation;
+ };
+
+ tree.size = function(x) {
+ return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]);
+ };
+
+ tree.nodeSize = function(x) {
+ return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null);
+ };
+
+ return tree;
+};
+
+var treemapSlice = function(parent, x0, y0, x1, y1) {
+ var nodes = parent.children,
+ node,
+ i = -1,
+ n = nodes.length,
+ k = parent.value && (y1 - y0) / parent.value;
+
+ while (++i < n) {
+ node = nodes[i], node.x0 = x0, node.x1 = x1;
+ node.y0 = y0, node.y1 = y0 += node.value * k;
+ }
+};
+
+var phi = (1 + Math.sqrt(5)) / 2;
+
+function squarifyRatio(ratio, parent, x0, y0, x1, y1) {
+ var rows = [],
+ nodes = parent.children,
+ row,
+ nodeValue,
+ i0 = 0,
+ i1 = 0,
+ n = nodes.length,
+ dx, dy,
+ value = parent.value,
+ sumValue,
+ minValue,
+ maxValue,
+ newRatio,
+ minRatio,
+ alpha,
+ beta;
+
+ while (i0 < n) {
+ dx = x1 - x0, dy = y1 - y0;
+
+ // Find the next non-empty node.
+ do sumValue = nodes[i1++].value; while (!sumValue && i1 < n);
+ minValue = maxValue = sumValue;
+ alpha = Math.max(dy / dx, dx / dy) / (value * ratio);
+ beta = sumValue * sumValue * alpha;
+ minRatio = Math.max(maxValue / beta, beta / minValue);
+
+ // Keep adding nodes while the aspect ratio maintains or improves.
+ for (; i1 < n; ++i1) {
+ sumValue += nodeValue = nodes[i1].value;
+ if (nodeValue < minValue) minValue = nodeValue;
+ if (nodeValue > maxValue) maxValue = nodeValue;
+ beta = sumValue * sumValue * alpha;
+ newRatio = Math.max(maxValue / beta, beta / minValue);
+ if (newRatio > minRatio) { sumValue -= nodeValue; break; }
+ minRatio = newRatio;
+ }
+
+ // Position and record the row orientation.
+ rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)});
+ if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1);
+ else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1);
+ value -= sumValue, i0 = i1;
+ }
+
+ return rows;
+}
+
+var squarify = ((function custom(ratio) {
+
+ function squarify(parent, x0, y0, x1, y1) {
+ squarifyRatio(ratio, parent, x0, y0, x1, y1);
+ }
+
+ squarify.ratio = function(x) {
+ return custom((x = +x) > 1 ? x : 1);
+ };
+
+ return squarify;
+}))(phi);
+
+var index$3 = function() {
+ var tile = squarify,
+ round = false,
+ dx = 1,
+ dy = 1,
+ paddingStack = [0],
+ paddingInner = constantZero,
+ paddingTop = constantZero,
+ paddingRight = constantZero,
+ paddingBottom = constantZero,
+ paddingLeft = constantZero;
+
+ function treemap(root) {
+ root.x0 =
+ root.y0 = 0;
+ root.x1 = dx;
+ root.y1 = dy;
+ root.eachBefore(positionNode);
+ paddingStack = [0];
+ if (round) root.eachBefore(roundNode);
+ return root;
+ }
+
+ function positionNode(node) {
+ var p = paddingStack[node.depth],
+ x0 = node.x0 + p,
+ y0 = node.y0 + p,
+ x1 = node.x1 - p,
+ y1 = node.y1 - p;
+ if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
+ if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
+ node.x0 = x0;
+ node.y0 = y0;
+ node.x1 = x1;
+ node.y1 = y1;
+ if (node.children) {
+ p = paddingStack[node.depth + 1] = paddingInner(node) / 2;
+ x0 += paddingLeft(node) - p;
+ y0 += paddingTop(node) - p;
+ x1 -= paddingRight(node) - p;
+ y1 -= paddingBottom(node) - p;
+ if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
+ if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
+ tile(node, x0, y0, x1, y1);
+ }
+ }
+
+ treemap.round = function(x) {
+ return arguments.length ? (round = !!x, treemap) : round;
+ };
+
+ treemap.size = function(x) {
+ return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy];
+ };
+
+ treemap.tile = function(x) {
+ return arguments.length ? (tile = required(x), treemap) : tile;
+ };
+
+ treemap.padding = function(x) {
+ return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner();
+ };
+
+ treemap.paddingInner = function(x) {
+ return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner;
+ };
+
+ treemap.paddingOuter = function(x) {
+ return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop();
+ };
+
+ treemap.paddingTop = function(x) {
+ return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop;
+ };
+
+ treemap.paddingRight = function(x) {
+ return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight;
+ };
+
+ treemap.paddingBottom = function(x) {
+ return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom;
+ };
+
+ treemap.paddingLeft = function(x) {
+ return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft;
+ };
+
+ return treemap;
+};
+
+var binary = function(parent, x0, y0, x1, y1) {
+ var nodes = parent.children,
+ i, n = nodes.length,
+ sum, sums = new Array(n + 1);
+
+ for (sums[0] = sum = i = 0; i < n; ++i) {
+ sums[i + 1] = sum += nodes[i].value;
+ }
+
+ partition(0, n, parent.value, x0, y0, x1, y1);
+
+ function partition(i, j, value, x0, y0, x1, y1) {
+ if (i >= j - 1) {
+ var node = nodes[i];
+ node.x0 = x0, node.y0 = y0;
+ node.x1 = x1, node.y1 = y1;
+ return;
+ }
+
+ var valueOffset = sums[i],
+ valueTarget = (value / 2) + valueOffset,
+ k = i + 1,
+ hi = j - 1;
+
+ while (k < hi) {
+ var mid = k + hi >>> 1;
+ if (sums[mid] < valueTarget) k = mid + 1;
+ else hi = mid;
+ }
+
+ var valueLeft = sums[k] - valueOffset,
+ valueRight = value - valueLeft;
+
+ if ((y1 - y0) > (x1 - x0)) {
+ var yk = (y0 * valueRight + y1 * valueLeft) / value;
+ partition(i, k, valueLeft, x0, y0, x1, yk);
+ partition(k, j, valueRight, x0, yk, x1, y1);
+ } else {
+ var xk = (x0 * valueRight + x1 * valueLeft) / value;
+ partition(i, k, valueLeft, x0, y0, xk, y1);
+ partition(k, j, valueRight, xk, y0, x1, y1);
+ }
+ }
+};
+
+var sliceDice = function(parent, x0, y0, x1, y1) {
+ (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1);
+};
+
+var resquarify = ((function custom(ratio) {
+
+ function resquarify(parent, x0, y0, x1, y1) {
+ if ((rows = parent._squarify) && (rows.ratio === ratio)) {
+ var rows,
+ row,
+ nodes,
+ i,
+ j = -1,
+ n,
+ m = rows.length,
+ value = parent.value;
+
+ while (++j < m) {
+ row = rows[j], nodes = row.children;
+ for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value;
+ if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value);
+ else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1);
+ value -= row.value;
+ }
+ } else {
+ parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1);
+ rows.ratio = ratio;
+ }
+ }
+
+ resquarify.ratio = function(x) {
+ return custom((x = +x) > 1 ? x : 1);
+ };
+
+ return resquarify;
+}))(phi);
+
+var area$1 = function(polygon) {
+ var i = -1,
+ n = polygon.length,
+ a,
+ b = polygon[n - 1],
+ area = 0;
+
+ while (++i < n) {
+ a = b;
+ b = polygon[i];
+ area += a[1] * b[0] - a[0] * b[1];
+ }
+
+ return area / 2;
+};
+
+var centroid$1 = function(polygon) {
+ var i = -1,
+ n = polygon.length,
+ x = 0,
+ y = 0,
+ a,
+ b = polygon[n - 1],
+ c,
+ k = 0;
+
+ while (++i < n) {
+ a = b;
+ b = polygon[i];
+ k += c = a[0] * b[1] - b[0] * a[1];
+ x += (a[0] + b[0]) * c;
+ y += (a[1] + b[1]) * c;
+ }
+
+ return k *= 3, [x / k, y / k];
+};
+
+// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of
+// the 3D cross product in a quadrant I Cartesian coordinate system (+x is
+// right, +y is up). Returns a positive value if ABC is counter-clockwise,
+// negative if clockwise, and zero if the points are collinear.
+var cross$1 = function(a, b, c) {
+ return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+};
+
+function lexicographicOrder(a, b) {
+ return a[0] - b[0] || a[1] - b[1];
+}
+
+// Computes the upper convex hull per the monotone chain algorithm.
+// Assumes points.length >= 3, is sorted by x, unique in y.
+// Returns an array of indices into points in left-to-right order.
+function computeUpperHullIndexes(points) {
+ var n = points.length,
+ indexes = [0, 1],
+ size = 2;
+
+ for (var i = 2; i < n; ++i) {
+ while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size;
+ indexes[size++] = i;
+ }
+
+ return indexes.slice(0, size); // remove popped points
+}
+
+var hull = function(points) {
+ if ((n = points.length) < 3) return null;
+
+ var i,
+ n,
+ sortedPoints = new Array(n),
+ flippedPoints = new Array(n);
+
+ for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i];
+ sortedPoints.sort(lexicographicOrder);
+ for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]];
+
+ var upperIndexes = computeUpperHullIndexes(sortedPoints),
+ lowerIndexes = computeUpperHullIndexes(flippedPoints);
+
+ // Construct the hull polygon, removing possible duplicate endpoints.
+ var skipLeft = lowerIndexes[0] === upperIndexes[0],
+ skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1],
+ hull = [];
+
+ // Add upper hull in right-to-l order.
+ // Then add lower hull in left-to-right order.
+ for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]);
+ for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]);
+
+ return hull;
+};
+
+var contains$1 = function(polygon, point) {
+ var n = polygon.length,
+ p = polygon[n - 1],
+ x = point[0], y = point[1],
+ x0 = p[0], y0 = p[1],
+ x1, y1,
+ inside = false;
+
+ for (var i = 0; i < n; ++i) {
+ p = polygon[i], x1 = p[0], y1 = p[1];
+ if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside;
+ x0 = x1, y0 = y1;
+ }
+
+ return inside;
+};
+
+var length$2 = function(polygon) {
+ var i = -1,
+ n = polygon.length,
+ b = polygon[n - 1],
+ xa,
+ ya,
+ xb = b[0],
+ yb = b[1],
+ perimeter = 0;
+
+ while (++i < n) {
+ xa = xb;
+ ya = yb;
+ b = polygon[i];
+ xb = b[0];
+ yb = b[1];
+ xa -= xb;
+ ya -= yb;
+ perimeter += Math.sqrt(xa * xa + ya * ya);
+ }
+
+ return perimeter;
+};
+
+var slice$3 = [].slice;
+
+var noabort = {};
+
+function Queue(size) {
+ if (!(size >= 1)) throw new Error;
+ this._size = size;
+ this._call =
+ this._error = null;
+ this._tasks = [];
+ this._data = [];
+ this._waiting =
+ this._active =
+ this._ended =
+ this._start = 0; // inside a synchronous task callback?
+}
+
+Queue.prototype = queue.prototype = {
+ constructor: Queue,
+ defer: function(callback) {
+ if (typeof callback !== "function" || this._call) throw new Error;
+ if (this._error != null) return this;
+ var t = slice$3.call(arguments, 1);
+ t.push(callback);
+ ++this._waiting, this._tasks.push(t);
+ poke$1(this);
+ return this;
+ },
+ abort: function() {
+ if (this._error == null) abort(this, new Error("abort"));
+ return this;
+ },
+ await: function(callback) {
+ if (typeof callback !== "function" || this._call) throw new Error;
+ this._call = function(error, results) { callback.apply(null, [error].concat(results)); };
+ maybeNotify(this);
+ return this;
+ },
+ awaitAll: function(callback) {
+ if (typeof callback !== "function" || this._call) throw new Error;
+ this._call = callback;
+ maybeNotify(this);
+ return this;
+ }
+};
+
+function poke$1(q) {
+ if (!q._start) {
+ try { start$1(q); } // let the current task complete
+ catch (e) {
+ if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously
+ else if (!q._data) throw e; // await callback errored synchronously
+ }
+ }
+}
+
+function start$1(q) {
+ while (q._start = q._waiting && q._active < q._size) {
+ var i = q._ended + q._active,
+ t = q._tasks[i],
+ j = t.length - 1,
+ c = t[j];
+ t[j] = end(q, i);
+ --q._waiting, ++q._active;
+ t = c.apply(null, t);
+ if (!q._tasks[i]) continue; // task finished synchronously
+ q._tasks[i] = t || noabort;
+ }
+}
+
+function end(q, i) {
+ return function(e, r) {
+ if (!q._tasks[i]) return; // ignore multiple callbacks
+ --q._active, ++q._ended;
+ q._tasks[i] = null;
+ if (q._error != null) return; // ignore secondary errors
+ if (e != null) {
+ abort(q, e);
+ } else {
+ q._data[i] = r;
+ if (q._waiting) poke$1(q);
+ else maybeNotify(q);
+ }
+ };
+}
+
+function abort(q, e) {
+ var i = q._tasks.length, t;
+ q._error = e; // ignore active callbacks
+ q._data = undefined; // allow gc
+ q._waiting = NaN; // prevent starting
+
+ while (--i >= 0) {
+ if (t = q._tasks[i]) {
+ q._tasks[i] = null;
+ if (t.abort) {
+ try { t.abort(); }
+ catch (e) { /* ignore */ }
+ }
+ }
+ }
+
+ q._active = NaN; // allow notification
+ maybeNotify(q);
+}
+
+function maybeNotify(q) {
+ if (!q._active && q._call) {
+ var d = q._data;
+ q._data = undefined; // allow gc
+ q._call(q._error, d);
+ }
+}
+
+function queue(concurrency) {
+ return new Queue(arguments.length ? +concurrency : Infinity);
+}
+
+var uniform = function(min, max) {
+ min = min == null ? 0 : +min;
+ max = max == null ? 1 : +max;
+ if (arguments.length === 1) max = min, min = 0;
+ else max -= min;
+ return function() {
+ return Math.random() * max + min;
+ };
+};
+
+var normal = function(mu, sigma) {
+ var x, r;
+ mu = mu == null ? 0 : +mu;
+ sigma = sigma == null ? 1 : +sigma;
+ return function() {
+ var y;
+
+ // If available, use the second previously-generated uniform random.
+ if (x != null) y = x, x = null;
+
+ // Otherwise, generate a new x and y.
+ else do {
+ x = Math.random() * 2 - 1;
+ y = Math.random() * 2 - 1;
+ r = x * x + y * y;
+ } while (!r || r > 1);
+
+ return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r);
+ };
+};
+
+var logNormal = function() {
+ var randomNormal = normal.apply(this, arguments);
+ return function() {
+ return Math.exp(randomNormal());
+ };
+};
+
+var irwinHall = function(n) {
+ return function() {
+ for (var sum = 0, i = 0; i < n; ++i) sum += Math.random();
+ return sum;
+ };
+};
+
+var bates = function(n) {
+ var randomIrwinHall = irwinHall(n);
+ return function() {
+ return randomIrwinHall() / n;
+ };
+};
+
+var exponential$1 = function(lambda) {
+ return function() {
+ return -Math.log(1 - Math.random()) / lambda;
+ };
+};
+
+var request = function(url, callback) {
+ var request,
+ event = dispatch("beforesend", "progress", "load", "error"),
+ mimeType,
+ headers = map$1(),
+ xhr = new XMLHttpRequest,
+ user = null,
+ password = null,
+ response,
+ responseType,
+ timeout = 0;
+
+ // If IE does not support CORS, use XDomainRequest.
+ if (typeof XDomainRequest !== "undefined"
+ && !("withCredentials" in xhr)
+ && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest;
+
+ "onload" in xhr
+ ? xhr.onload = xhr.onerror = xhr.ontimeout = respond
+ : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); };
+
+ function respond(o) {
+ var status = xhr.status, result;
+ if (!status && hasResponse(xhr)
+ || status >= 200 && status < 300
+ || status === 304) {
+ if (response) {
+ try {
+ result = response.call(request, xhr);
+ } catch (e) {
+ event.call("error", request, e);
+ return;
+ }
+ } else {
+ result = xhr;
+ }
+ event.call("load", request, result);
+ } else {
+ event.call("error", request, o);
+ }
+ }
+
+ xhr.onprogress = function(e) {
+ event.call("progress", request, e);
+ };
+
+ request = {
+ header: function(name, value) {
+ name = (name + "").toLowerCase();
+ if (arguments.length < 2) return headers.get(name);
+ if (value == null) headers.remove(name);
+ else headers.set(name, value + "");
+ return request;
+ },
+
+ // If mimeType is non-null and no Accept header is set, a default is used.
+ mimeType: function(value) {
+ if (!arguments.length) return mimeType;
+ mimeType = value == null ? null : value + "";
+ return request;
+ },
+
+ // Specifies what type the response value should take;
+ // for instance, arraybuffer, blob, document, or text.
+ responseType: function(value) {
+ if (!arguments.length) return responseType;
+ responseType = value;
+ return request;
+ },
+
+ timeout: function(value) {
+ if (!arguments.length) return timeout;
+ timeout = +value;
+ return request;
+ },
+
+ user: function(value) {
+ return arguments.length < 1 ? user : (user = value == null ? null : value + "", request);
+ },
+
+ password: function(value) {
+ return arguments.length < 1 ? password : (password = value == null ? null : value + "", request);
+ },
+
+ // Specify how to convert the response content to a specific type;
+ // changes the callback value on "load" events.
+ response: function(value) {
+ response = value;
+ return request;
+ },
+
+ // Alias for send("GET", …).
+ get: function(data, callback) {
+ return request.send("GET", data, callback);
+ },
+
+ // Alias for send("POST", …).
+ post: function(data, callback) {
+ return request.send("POST", data, callback);
+ },
+
+ // If callback is non-null, it will be used for error and load events.
+ send: function(method, data, callback) {
+ xhr.open(method, url, true, user, password);
+ if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*");
+ if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); });
+ if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType);
+ if (responseType != null) xhr.responseType = responseType;
+ if (timeout > 0) xhr.timeout = timeout;
+ if (callback == null && typeof data === "function") callback = data, data = null;
+ if (callback != null && callback.length === 1) callback = fixCallback(callback);
+ if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); });
+ event.call("beforesend", request, xhr);
+ xhr.send(data == null ? null : data);
+ return request;
+ },
+
+ abort: function() {
+ xhr.abort();
+ return request;
+ },
+
+ on: function() {
+ var value = event.on.apply(event, arguments);
+ return value === event ? request : value;
+ }
+ };
+
+ if (callback != null) {
+ if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
+ return request.get(callback);
+ }
+
+ return request;
+};
+
+function fixCallback(callback) {
+ return function(error, xhr) {
+ callback(error == null ? xhr : null);
+ };
+}
+
+function hasResponse(xhr) {
+ var type = xhr.responseType;
+ return type && type !== "text"
+ ? xhr.response // null on error
+ : xhr.responseText; // "" on error
+}
+
+var type$1 = function(defaultMimeType, response) {
+ return function(url, callback) {
+ var r = request(url).mimeType(defaultMimeType).response(response);
+ if (callback != null) {
+ if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
+ return r.get(callback);
+ }
+ return r;
+ };
+};
+
+var html = type$1("text/html", function(xhr) {
+ return document.createRange().createContextualFragment(xhr.responseText);
+});
+
+var json = type$1("application/json", function(xhr) {
+ return JSON.parse(xhr.responseText);
+});
+
+var text = type$1("text/plain", function(xhr) {
+ return xhr.responseText;
+});
+
+var xml = type$1("application/xml", function(xhr) {
+ var xml = xhr.responseXML;
+ if (!xml) throw new Error("parse error");
+ return xml;
+});
+
+var dsv$1 = function(defaultMimeType, parse) {
+ return function(url, row, callback) {
+ if (arguments.length < 3) callback = row, row = null;
+ var r = request(url).mimeType(defaultMimeType);
+ r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; };
+ r.row(row);
+ return callback ? r.get(callback) : r;
+ };
+};
+
+function responseOf(parse, row) {
+ return function(request$$1) {
+ return parse(request$$1.responseText, row);
+ };
+}
+
+var csv$1 = dsv$1("text/csv", csvParse);
+
+var tsv$1 = dsv$1("text/tab-separated-values", tsvParse);
+
+var array$2 = Array.prototype;
+
+var map$3 = array$2.map;
+var slice$4 = array$2.slice;
+
+var implicit = {name: "implicit"};
+
+function ordinal(range) {
+ var index = map$1(),
+ domain = [],
+ unknown = implicit;
+
+ range = range == null ? [] : slice$4.call(range);
+
+ function scale(d) {
+ var key = d + "", i = index.get(key);
+ if (!i) {
+ if (unknown !== implicit) return unknown;
+ index.set(key, i = domain.push(d));
+ }
+ return range[(i - 1) % range.length];
+ }
+
+ scale.domain = function(_) {
+ if (!arguments.length) return domain.slice();
+ domain = [], index = map$1();
+ var i = -1, n = _.length, d, key;
+ while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d));
+ return scale;
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (range = slice$4.call(_), scale) : range.slice();
+ };
+
+ scale.unknown = function(_) {
+ return arguments.length ? (unknown = _, scale) : unknown;
+ };
+
+ scale.copy = function() {
+ return ordinal()
+ .domain(domain)
+ .range(range)
+ .unknown(unknown);
+ };
+
+ return scale;
+}
+
+function band() {
+ var scale = ordinal().unknown(undefined),
+ domain = scale.domain,
+ ordinalRange = scale.range,
+ range$$1 = [0, 1],
+ step,
+ bandwidth,
+ round = false,
+ paddingInner = 0,
+ paddingOuter = 0,
+ align = 0.5;
+
+ delete scale.unknown;
+
+ function rescale() {
+ var n = domain().length,
+ reverse = range$$1[1] < range$$1[0],
+ start = range$$1[reverse - 0],
+ stop = range$$1[1 - reverse];
+ step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2);
+ if (round) step = Math.floor(step);
+ start += (stop - start - step * (n - paddingInner)) * align;
+ bandwidth = step * (1 - paddingInner);
+ if (round) start = Math.round(start), bandwidth = Math.round(bandwidth);
+ var values = sequence(n).map(function(i) { return start + step * i; });
+ return ordinalRange(reverse ? values.reverse() : values);
+ }
+
+ scale.domain = function(_) {
+ return arguments.length ? (domain(_), rescale()) : domain();
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice();
+ };
+
+ scale.rangeRound = function(_) {
+ return range$$1 = [+_[0], +_[1]], round = true, rescale();
+ };
+
+ scale.bandwidth = function() {
+ return bandwidth;
+ };
+
+ scale.step = function() {
+ return step;
+ };
+
+ scale.round = function(_) {
+ return arguments.length ? (round = !!_, rescale()) : round;
+ };
+
+ scale.padding = function(_) {
+ return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner;
+ };
+
+ scale.paddingInner = function(_) {
+ return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner;
+ };
+
+ scale.paddingOuter = function(_) {
+ return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter;
+ };
+
+ scale.align = function(_) {
+ return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align;
+ };
+
+ scale.copy = function() {
+ return band()
+ .domain(domain())
+ .range(range$$1)
+ .round(round)
+ .paddingInner(paddingInner)
+ .paddingOuter(paddingOuter)
+ .align(align);
+ };
+
+ return rescale();
+}
+
+function pointish(scale) {
+ var copy = scale.copy;
+
+ scale.padding = scale.paddingOuter;
+ delete scale.paddingInner;
+ delete scale.paddingOuter;
+
+ scale.copy = function() {
+ return pointish(copy());
+ };
+
+ return scale;
+}
+
+function point$1() {
+ return pointish(band().paddingInner(1));
+}
+
+var constant$9 = function(x) {
+ return function() {
+ return x;
+ };
+};
+
+var number$1 = function(x) {
+ return +x;
+};
+
+var unit = [0, 1];
+
+function deinterpolateLinear(a, b) {
+ return (b -= (a = +a))
+ ? function(x) { return (x - a) / b; }
+ : constant$9(b);
+}
+
+function deinterpolateClamp(deinterpolate) {
+ return function(a, b) {
+ var d = deinterpolate(a = +a, b = +b);
+ return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); };
+ };
+}
+
+function reinterpolateClamp(reinterpolate) {
+ return function(a, b) {
+ var r = reinterpolate(a = +a, b = +b);
+ return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); };
+ };
+}
+
+function bimap(domain, range$$1, deinterpolate, reinterpolate) {
+ var d0 = domain[0], d1 = domain[1], r0 = range$$1[0], r1 = range$$1[1];
+ if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0);
+ else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1);
+ return function(x) { return r0(d0(x)); };
+}
+
+function polymap(domain, range$$1, deinterpolate, reinterpolate) {
+ var j = Math.min(domain.length, range$$1.length) - 1,
+ d = new Array(j),
+ r = new Array(j),
+ i = -1;
+
+ // Reverse descending domains.
+ if (domain[j] < domain[0]) {
+ domain = domain.slice().reverse();
+ range$$1 = range$$1.slice().reverse();
+ }
+
+ while (++i < j) {
+ d[i] = deinterpolate(domain[i], domain[i + 1]);
+ r[i] = reinterpolate(range$$1[i], range$$1[i + 1]);
+ }
+
+ return function(x) {
+ var i = bisectRight(domain, x, 1, j) - 1;
+ return r[i](d[i](x));
+ };
+}
+
+function copy(source, target) {
+ return target
+ .domain(source.domain())
+ .range(source.range())
+ .interpolate(source.interpolate())
+ .clamp(source.clamp());
+}
+
+// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1].
+// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b].
+function continuous(deinterpolate, reinterpolate) {
+ var domain = unit,
+ range$$1 = unit,
+ interpolate$$1 = interpolateValue,
+ clamp = false,
+ piecewise,
+ output,
+ input;
+
+ function rescale() {
+ piecewise = Math.min(domain.length, range$$1.length) > 2 ? polymap : bimap;
+ output = input = null;
+ return scale;
+ }
+
+ function scale(x) {
+ return (output || (output = piecewise(domain, range$$1, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x);
+ }
+
+ scale.invert = function(y) {
+ return (input || (input = piecewise(range$$1, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y);
+ };
+
+ scale.domain = function(_) {
+ return arguments.length ? (domain = map$3.call(_, number$1), rescale()) : domain.slice();
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice();
+ };
+
+ scale.rangeRound = function(_) {
+ return range$$1 = slice$4.call(_), interpolate$$1 = interpolateRound, rescale();
+ };
+
+ scale.clamp = function(_) {
+ return arguments.length ? (clamp = !!_, rescale()) : clamp;
+ };
+
+ scale.interpolate = function(_) {
+ return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1;
+ };
+
+ return rescale();
+}
+
+var tickFormat = function(domain, count, specifier) {
+ var start = domain[0],
+ stop = domain[domain.length - 1],
+ step = tickStep(start, stop, count == null ? 10 : count),
+ precision;
+ specifier = formatSpecifier(specifier == null ? ",f" : specifier);
+ switch (specifier.type) {
+ case "s": {
+ var value = Math.max(Math.abs(start), Math.abs(stop));
+ if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision;
+ return exports.formatPrefix(specifier, value);
+ }
+ case "":
+ case "e":
+ case "g":
+ case "p":
+ case "r": {
+ if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e");
+ break;
+ }
+ case "f":
+ case "%": {
+ if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2;
+ break;
+ }
+ }
+ return exports.format(specifier);
+};
+
+function linearish(scale) {
+ var domain = scale.domain;
+
+ scale.ticks = function(count) {
+ var d = domain();
+ return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
+ };
+
+ scale.tickFormat = function(count, specifier) {
+ return tickFormat(domain(), count, specifier);
+ };
+
+ scale.nice = function(count) {
+ var d = domain(),
+ i = d.length - 1,
+ n = count == null ? 10 : count,
+ start = d[0],
+ stop = d[i],
+ step = tickStep(start, stop, n);
+
+ if (step) {
+ step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n);
+ d[0] = Math.floor(start / step) * step;
+ d[i] = Math.ceil(stop / step) * step;
+ domain(d);
+ }
+
+ return scale;
+ };
+
+ return scale;
+}
+
+function linear$2() {
+ var scale = continuous(deinterpolateLinear, reinterpolate);
+
+ scale.copy = function() {
+ return copy(scale, linear$2());
+ };
+
+ return linearish(scale);
+}
+
+function identity$6() {
+ var domain = [0, 1];
+
+ function scale(x) {
+ return +x;
+ }
+
+ scale.invert = scale;
+
+ scale.domain = scale.range = function(_) {
+ return arguments.length ? (domain = map$3.call(_, number$1), scale) : domain.slice();
+ };
+
+ scale.copy = function() {
+ return identity$6().domain(domain);
+ };
+
+ return linearish(scale);
+}
+
+var nice = function(domain, interval) {
+ domain = domain.slice();
+
+ var i0 = 0,
+ i1 = domain.length - 1,
+ x0 = domain[i0],
+ x1 = domain[i1],
+ t;
+
+ if (x1 < x0) {
+ t = i0, i0 = i1, i1 = t;
+ t = x0, x0 = x1, x1 = t;
+ }
+
+ domain[i0] = interval.floor(x0);
+ domain[i1] = interval.ceil(x1);
+ return domain;
+};
+
+function deinterpolate(a, b) {
+ return (b = Math.log(b / a))
+ ? function(x) { return Math.log(x / a) / b; }
+ : constant$9(b);
+}
+
+function reinterpolate$1(a, b) {
+ return a < 0
+ ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); }
+ : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); };
+}
+
+function pow10(x) {
+ return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x;
+}
+
+function powp(base) {
+ return base === 10 ? pow10
+ : base === Math.E ? Math.exp
+ : function(x) { return Math.pow(base, x); };
+}
+
+function logp(base) {
+ return base === Math.E ? Math.log
+ : base === 10 && Math.log10
+ || base === 2 && Math.log2
+ || (base = Math.log(base), function(x) { return Math.log(x) / base; });
+}
+
+function reflect(f) {
+ return function(x) {
+ return -f(-x);
+ };
+}
+
+function log$1() {
+ var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]),
+ domain = scale.domain,
+ base = 10,
+ logs = logp(10),
+ pows = powp(10);
+
+ function rescale() {
+ logs = logp(base), pows = powp(base);
+ if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows);
+ return scale;
+ }
+
+ scale.base = function(_) {
+ return arguments.length ? (base = +_, rescale()) : base;
+ };
+
+ scale.domain = function(_) {
+ return arguments.length ? (domain(_), rescale()) : domain();
+ };
+
+ scale.ticks = function(count) {
+ var d = domain(),
+ u = d[0],
+ v = d[d.length - 1],
+ r;
+
+ if (r = v < u) i = u, u = v, v = i;
+
+ var i = logs(u),
+ j = logs(v),
+ p,
+ k,
+ t,
+ n = count == null ? 10 : +count,
+ z = [];
+
+ if (!(base % 1) && j - i < n) {
+ i = Math.round(i) - 1, j = Math.round(j) + 1;
+ if (u > 0) for (; i < j; ++i) {
+ for (k = 1, p = pows(i); k < base; ++k) {
+ t = p * k;
+ if (t < u) continue;
+ if (t > v) break;
+ z.push(t);
+ }
+ } else for (; i < j; ++i) {
+ for (k = base - 1, p = pows(i); k >= 1; --k) {
+ t = p * k;
+ if (t < u) continue;
+ if (t > v) break;
+ z.push(t);
+ }
+ }
+ } else {
+ z = ticks(i, j, Math.min(j - i, n)).map(pows);
+ }
+
+ return r ? z.reverse() : z;
+ };
+
+ scale.tickFormat = function(count, specifier) {
+ if (specifier == null) specifier = base === 10 ? ".0e" : ",";
+ if (typeof specifier !== "function") specifier = exports.format(specifier);
+ if (count === Infinity) return specifier;
+ if (count == null) count = 10;
+ var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate?
+ return function(d) {
+ var i = d / pows(Math.round(logs(d)));
+ if (i * base < base - 0.5) i *= base;
+ return i <= k ? specifier(d) : "";
+ };
+ };
+
+ scale.nice = function() {
+ return domain(nice(domain(), {
+ floor: function(x) { return pows(Math.floor(logs(x))); },
+ ceil: function(x) { return pows(Math.ceil(logs(x))); }
+ }));
+ };
+
+ scale.copy = function() {
+ return copy(scale, log$1().base(base));
+ };
+
+ return scale;
+}
+
+function raise$1(x, exponent) {
+ return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent);
+}
+
+function pow$1() {
+ var exponent = 1,
+ scale = continuous(deinterpolate, reinterpolate),
+ domain = scale.domain;
+
+ function deinterpolate(a, b) {
+ return (b = raise$1(b, exponent) - (a = raise$1(a, exponent)))
+ ? function(x) { return (raise$1(x, exponent) - a) / b; }
+ : constant$9(b);
+ }
+
+ function reinterpolate(a, b) {
+ b = raise$1(b, exponent) - (a = raise$1(a, exponent));
+ return function(t) { return raise$1(a + b * t, 1 / exponent); };
+ }
+
+ scale.exponent = function(_) {
+ return arguments.length ? (exponent = +_, domain(domain())) : exponent;
+ };
+
+ scale.copy = function() {
+ return copy(scale, pow$1().exponent(exponent));
+ };
+
+ return linearish(scale);
+}
+
+function sqrt$1() {
+ return pow$1().exponent(0.5);
+}
+
+function quantile$$1() {
+ var domain = [],
+ range$$1 = [],
+ thresholds = [];
+
+ function rescale() {
+ var i = 0, n = Math.max(1, range$$1.length);
+ thresholds = new Array(n - 1);
+ while (++i < n) thresholds[i - 1] = threshold(domain, i / n);
+ return scale;
+ }
+
+ function scale(x) {
+ if (!isNaN(x = +x)) return range$$1[bisectRight(thresholds, x)];
+ }
+
+ scale.invertExtent = function(y) {
+ var i = range$$1.indexOf(y);
+ return i < 0 ? [NaN, NaN] : [
+ i > 0 ? thresholds[i - 1] : domain[0],
+ i < thresholds.length ? thresholds[i] : domain[domain.length - 1]
+ ];
+ };
+
+ scale.domain = function(_) {
+ if (!arguments.length) return domain.slice();
+ domain = [];
+ for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d);
+ domain.sort(ascending);
+ return rescale();
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (range$$1 = slice$4.call(_), rescale()) : range$$1.slice();
+ };
+
+ scale.quantiles = function() {
+ return thresholds.slice();
+ };
+
+ scale.copy = function() {
+ return quantile$$1()
+ .domain(domain)
+ .range(range$$1);
+ };
+
+ return scale;
+}
+
+function quantize$1() {
+ var x0 = 0,
+ x1 = 1,
+ n = 1,
+ domain = [0.5],
+ range$$1 = [0, 1];
+
+ function scale(x) {
+ if (x <= x) return range$$1[bisectRight(domain, x, 0, n)];
+ }
+
+ function rescale() {
+ var i = -1;
+ domain = new Array(n);
+ while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);
+ return scale;
+ }
+
+ scale.domain = function(_) {
+ return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1];
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (n = (range$$1 = slice$4.call(_)).length - 1, rescale()) : range$$1.slice();
+ };
+
+ scale.invertExtent = function(y) {
+ var i = range$$1.indexOf(y);
+ return i < 0 ? [NaN, NaN]
+ : i < 1 ? [x0, domain[0]]
+ : i >= n ? [domain[n - 1], x1]
+ : [domain[i - 1], domain[i]];
+ };
+
+ scale.copy = function() {
+ return quantize$1()
+ .domain([x0, x1])
+ .range(range$$1);
+ };
+
+ return linearish(scale);
+}
+
+function threshold$1() {
+ var domain = [0.5],
+ range$$1 = [0, 1],
+ n = 1;
+
+ function scale(x) {
+ if (x <= x) return range$$1[bisectRight(domain, x, 0, n)];
+ }
+
+ scale.domain = function(_) {
+ return arguments.length ? (domain = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : domain.slice();
+ };
+
+ scale.range = function(_) {
+ return arguments.length ? (range$$1 = slice$4.call(_), n = Math.min(domain.length, range$$1.length - 1), scale) : range$$1.slice();
+ };
+
+ scale.invertExtent = function(y) {
+ var i = range$$1.indexOf(y);
+ return [domain[i - 1], domain[i]];
+ };
+
+ scale.copy = function() {
+ return threshold$1()
+ .domain(domain)
+ .range(range$$1);
+ };
+
+ return scale;
+}
+
+var t0$1 = new Date;
+var t1$1 = new Date;
+
+function newInterval(floori, offseti, count, field) {
+
+ function interval(date) {
+ return floori(date = new Date(+date)), date;
+ }
+
+ interval.floor = interval;
+
+ interval.ceil = function(date) {
+ return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date;
+ };
+
+ interval.round = function(date) {
+ var d0 = interval(date),
+ d1 = interval.ceil(date);
+ return date - d0 < d1 - date ? d0 : d1;
+ };
+
+ interval.offset = function(date, step) {
+ return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date;
+ };
+
+ interval.range = function(start, stop, step) {
+ var range = [];
+ start = interval.ceil(start);
+ step = step == null ? 1 : Math.floor(step);
+ if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date
+ do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop)
+ return range;
+ };
+
+ interval.filter = function(test) {
+ return newInterval(function(date) {
+ if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1);
+ }, function(date, step) {
+ if (date >= date) while (--step >= 0) while (offseti(date, 1), !test(date)) {} // eslint-disable-line no-empty
+ });
+ };
+
+ if (count) {
+ interval.count = function(start, end) {
+ t0$1.setTime(+start), t1$1.setTime(+end);
+ floori(t0$1), floori(t1$1);
+ return Math.floor(count(t0$1, t1$1));
+ };
+
+ interval.every = function(step) {
+ step = Math.floor(step);
+ return !isFinite(step) || !(step > 0) ? null
+ : !(step > 1) ? interval
+ : interval.filter(field
+ ? function(d) { return field(d) % step === 0; }
+ : function(d) { return interval.count(0, d) % step === 0; });
+ };
+ }
+
+ return interval;
+}
+
+var millisecond = newInterval(function() {
+ // noop
+}, function(date, step) {
+ date.setTime(+date + step);
+}, function(start, end) {
+ return end - start;
+});
+
+// An optimized implementation for this simple case.
+millisecond.every = function(k) {
+ k = Math.floor(k);
+ if (!isFinite(k) || !(k > 0)) return null;
+ if (!(k > 1)) return millisecond;
+ return newInterval(function(date) {
+ date.setTime(Math.floor(date / k) * k);
+ }, function(date, step) {
+ date.setTime(+date + step * k);
+ }, function(start, end) {
+ return (end - start) / k;
+ });
+};
+
+var milliseconds = millisecond.range;
+
+var durationSecond$1 = 1e3;
+var durationMinute$1 = 6e4;
+var durationHour$1 = 36e5;
+var durationDay$1 = 864e5;
+var durationWeek$1 = 6048e5;
+
+var second = newInterval(function(date) {
+ date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1);
+}, function(date, step) {
+ date.setTime(+date + step * durationSecond$1);
+}, function(start, end) {
+ return (end - start) / durationSecond$1;
+}, function(date) {
+ return date.getUTCSeconds();
+});
+
+var seconds = second.range;
+
+var minute = newInterval(function(date) {
+ date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1);
+}, function(date, step) {
+ date.setTime(+date + step * durationMinute$1);
+}, function(start, end) {
+ return (end - start) / durationMinute$1;
+}, function(date) {
+ return date.getMinutes();
+});
+
+var minutes = minute.range;
+
+var hour = newInterval(function(date) {
+ var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1;
+ if (offset < 0) offset += durationHour$1;
+ date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset);
+}, function(date, step) {
+ date.setTime(+date + step * durationHour$1);
+}, function(start, end) {
+ return (end - start) / durationHour$1;
+}, function(date) {
+ return date.getHours();
+});
+
+var hours = hour.range;
+
+var day = newInterval(function(date) {
+ date.setHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setDate(date.getDate() + step);
+}, function(start, end) {
+ return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1;
+}, function(date) {
+ return date.getDate() - 1;
+});
+
+var days = day.range;
+
+function weekday(i) {
+ return newInterval(function(date) {
+ date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7);
+ date.setHours(0, 0, 0, 0);
+ }, function(date, step) {
+ date.setDate(date.getDate() + step * 7);
+ }, function(start, end) {
+ return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1;
+ });
+}
+
+var sunday = weekday(0);
+var monday = weekday(1);
+var tuesday = weekday(2);
+var wednesday = weekday(3);
+var thursday = weekday(4);
+var friday = weekday(5);
+var saturday = weekday(6);
+
+var sundays = sunday.range;
+var mondays = monday.range;
+var tuesdays = tuesday.range;
+var wednesdays = wednesday.range;
+var thursdays = thursday.range;
+var fridays = friday.range;
+var saturdays = saturday.range;
+
+var month = newInterval(function(date) {
+ date.setDate(1);
+ date.setHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setMonth(date.getMonth() + step);
+}, function(start, end) {
+ return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12;
+}, function(date) {
+ return date.getMonth();
+});
+
+var months = month.range;
+
+var year = newInterval(function(date) {
+ date.setMonth(0, 1);
+ date.setHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setFullYear(date.getFullYear() + step);
+}, function(start, end) {
+ return end.getFullYear() - start.getFullYear();
+}, function(date) {
+ return date.getFullYear();
+});
+
+// An optimized implementation for this simple case.
+year.every = function(k) {
+ return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
+ date.setFullYear(Math.floor(date.getFullYear() / k) * k);
+ date.setMonth(0, 1);
+ date.setHours(0, 0, 0, 0);
+ }, function(date, step) {
+ date.setFullYear(date.getFullYear() + step * k);
+ });
+};
+
+var years = year.range;
+
+var utcMinute = newInterval(function(date) {
+ date.setUTCSeconds(0, 0);
+}, function(date, step) {
+ date.setTime(+date + step * durationMinute$1);
+}, function(start, end) {
+ return (end - start) / durationMinute$1;
+}, function(date) {
+ return date.getUTCMinutes();
+});
+
+var utcMinutes = utcMinute.range;
+
+var utcHour = newInterval(function(date) {
+ date.setUTCMinutes(0, 0, 0);
+}, function(date, step) {
+ date.setTime(+date + step * durationHour$1);
+}, function(start, end) {
+ return (end - start) / durationHour$1;
+}, function(date) {
+ return date.getUTCHours();
+});
+
+var utcHours = utcHour.range;
+
+var utcDay = newInterval(function(date) {
+ date.setUTCHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setUTCDate(date.getUTCDate() + step);
+}, function(start, end) {
+ return (end - start) / durationDay$1;
+}, function(date) {
+ return date.getUTCDate() - 1;
+});
+
+var utcDays = utcDay.range;
+
+function utcWeekday(i) {
+ return newInterval(function(date) {
+ date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);
+ date.setUTCHours(0, 0, 0, 0);
+ }, function(date, step) {
+ date.setUTCDate(date.getUTCDate() + step * 7);
+ }, function(start, end) {
+ return (end - start) / durationWeek$1;
+ });
+}
+
+var utcSunday = utcWeekday(0);
+var utcMonday = utcWeekday(1);
+var utcTuesday = utcWeekday(2);
+var utcWednesday = utcWeekday(3);
+var utcThursday = utcWeekday(4);
+var utcFriday = utcWeekday(5);
+var utcSaturday = utcWeekday(6);
+
+var utcSundays = utcSunday.range;
+var utcMondays = utcMonday.range;
+var utcTuesdays = utcTuesday.range;
+var utcWednesdays = utcWednesday.range;
+var utcThursdays = utcThursday.range;
+var utcFridays = utcFriday.range;
+var utcSaturdays = utcSaturday.range;
+
+var utcMonth = newInterval(function(date) {
+ date.setUTCDate(1);
+ date.setUTCHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setUTCMonth(date.getUTCMonth() + step);
+}, function(start, end) {
+ return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12;
+}, function(date) {
+ return date.getUTCMonth();
+});
+
+var utcMonths = utcMonth.range;
+
+var utcYear = newInterval(function(date) {
+ date.setUTCMonth(0, 1);
+ date.setUTCHours(0, 0, 0, 0);
+}, function(date, step) {
+ date.setUTCFullYear(date.getUTCFullYear() + step);
+}, function(start, end) {
+ return end.getUTCFullYear() - start.getUTCFullYear();
+}, function(date) {
+ return date.getUTCFullYear();
+});
+
+// An optimized implementation for this simple case.
+utcYear.every = function(k) {
+ return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
+ date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k);
+ date.setUTCMonth(0, 1);
+ date.setUTCHours(0, 0, 0, 0);
+ }, function(date, step) {
+ date.setUTCFullYear(date.getUTCFullYear() + step * k);
+ });
+};
+
+var utcYears = utcYear.range;
+
+function localDate(d) {
+ if (0 <= d.y && d.y < 100) {
+ var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L);
+ date.setFullYear(d.y);
+ return date;
+ }
+ return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L);
+}
+
+function utcDate(d) {
+ if (0 <= d.y && d.y < 100) {
+ var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L));
+ date.setUTCFullYear(d.y);
+ return date;
+ }
+ return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L));
+}
+
+function newYear(y) {
+ return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0};
+}
+
+function formatLocale$1(locale) {
+ var locale_dateTime = locale.dateTime,
+ locale_date = locale.date,
+ locale_time = locale.time,
+ locale_periods = locale.periods,
+ locale_weekdays = locale.days,
+ locale_shortWeekdays = locale.shortDays,
+ locale_months = locale.months,
+ locale_shortMonths = locale.shortMonths;
+
+ var periodRe = formatRe(locale_periods),
+ periodLookup = formatLookup(locale_periods),
+ weekdayRe = formatRe(locale_weekdays),
+ weekdayLookup = formatLookup(locale_weekdays),
+ shortWeekdayRe = formatRe(locale_shortWeekdays),
+ shortWeekdayLookup = formatLookup(locale_shortWeekdays),
+ monthRe = formatRe(locale_months),
+ monthLookup = formatLookup(locale_months),
+ shortMonthRe = formatRe(locale_shortMonths),
+ shortMonthLookup = formatLookup(locale_shortMonths);
+
+ var formats = {
+ "a": formatShortWeekday,
+ "A": formatWeekday,
+ "b": formatShortMonth,
+ "B": formatMonth,
+ "c": null,
+ "d": formatDayOfMonth,
+ "e": formatDayOfMonth,
+ "H": formatHour24,
+ "I": formatHour12,
+ "j": formatDayOfYear,
+ "L": formatMilliseconds,
+ "m": formatMonthNumber,
+ "M": formatMinutes,
+ "p": formatPeriod,
+ "S": formatSeconds,
+ "U": formatWeekNumberSunday,
+ "w": formatWeekdayNumber,
+ "W": formatWeekNumberMonday,
+ "x": null,
+ "X": null,
+ "y": formatYear,
+ "Y": formatFullYear,
+ "Z": formatZone,
+ "%": formatLiteralPercent
+ };
+
+ var utcFormats = {
+ "a": formatUTCShortWeekday,
+ "A": formatUTCWeekday,
+ "b": formatUTCShortMonth,
+ "B": formatUTCMonth,
+ "c": null,
+ "d": formatUTCDayOfMonth,
+ "e": formatUTCDayOfMonth,
+ "H": formatUTCHour24,
+ "I": formatUTCHour12,
+ "j": formatUTCDayOfYear,
+ "L": formatUTCMilliseconds,
+ "m": formatUTCMonthNumber,
+ "M": formatUTCMinutes,
+ "p": formatUTCPeriod,
+ "S": formatUTCSeconds,
+ "U": formatUTCWeekNumberSunday,
+ "w": formatUTCWeekdayNumber,
+ "W": formatUTCWeekNumberMonday,
+ "x": null,
+ "X": null,
+ "y": formatUTCYear,
+ "Y": formatUTCFullYear,
+ "Z": formatUTCZone,
+ "%": formatLiteralPercent
+ };
+
+ var parses = {
+ "a": parseShortWeekday,
+ "A": parseWeekday,
+ "b": parseShortMonth,
+ "B": parseMonth,
+ "c": parseLocaleDateTime,
+ "d": parseDayOfMonth,
+ "e": parseDayOfMonth,
+ "H": parseHour24,
+ "I": parseHour24,
+ "j": parseDayOfYear,
+ "L": parseMilliseconds,
+ "m": parseMonthNumber,
+ "M": parseMinutes,
+ "p": parsePeriod,
+ "S": parseSeconds,
+ "U": parseWeekNumberSunday,
+ "w": parseWeekdayNumber,
+ "W": parseWeekNumberMonday,
+ "x": parseLocaleDate,
+ "X": parseLocaleTime,
+ "y": parseYear,
+ "Y": parseFullYear,
+ "Z": parseZone,
+ "%": parseLiteralPercent
+ };
+
+ // These recursive directive definitions must be deferred.
+ formats.x = newFormat(locale_date, formats);
+ formats.X = newFormat(locale_time, formats);
+ formats.c = newFormat(locale_dateTime, formats);
+ utcFormats.x = newFormat(locale_date, utcFormats);
+ utcFormats.X = newFormat(locale_time, utcFormats);
+ utcFormats.c = newFormat(locale_dateTime, utcFormats);
+
+ function newFormat(specifier, formats) {
+ return function(date) {
+ var string = [],
+ i = -1,
+ j = 0,
+ n = specifier.length,
+ c,
+ pad,
+ format;
+
+ if (!(date instanceof Date)) date = new Date(+date);
+
+ while (++i < n) {
+ if (specifier.charCodeAt(i) === 37) {
+ string.push(specifier.slice(j, i));
+ if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i);
+ else pad = c === "e" ? " " : "0";
+ if (format = formats[c]) c = format(date, pad);
+ string.push(c);
+ j = i + 1;
+ }
+ }
+
+ string.push(specifier.slice(j, i));
+ return string.join("");
+ };
+ }
+
+ function newParse(specifier, newDate) {
+ return function(string) {
+ var d = newYear(1900),
+ i = parseSpecifier(d, specifier, string += "", 0);
+ if (i != string.length) return null;
+
+ // The am-pm flag is 0 for AM, and 1 for PM.
+ if ("p" in d) d.H = d.H % 12 + d.p * 12;
+
+ // Convert day-of-week and week-of-year to day-of-year.
+ if ("W" in d || "U" in d) {
+ if (!("w" in d)) d.w = "W" in d ? 1 : 0;
+ var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay();
+ d.m = 0;
+ d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7;
+ }
+
+ // If a time zone is specified, all fields are interpreted as UTC and then
+ // offset according to the specified time zone.
+ if ("Z" in d) {
+ d.H += d.Z / 100 | 0;
+ d.M += d.Z % 100;
+ return utcDate(d);
+ }
+
+ // Otherwise, all fields are in local time.
+ return newDate(d);
+ };
+ }
+
+ function parseSpecifier(d, specifier, string, j) {
+ var i = 0,
+ n = specifier.length,
+ m = string.length,
+ c,
+ parse;
+
+ while (i < n) {
+ if (j >= m) return -1;
+ c = specifier.charCodeAt(i++);
+ if (c === 37) {
+ c = specifier.charAt(i++);
+ parse = parses[c in pads ? specifier.charAt(i++) : c];
+ if (!parse || ((j = parse(d, string, j)) < 0)) return -1;
+ } else if (c != string.charCodeAt(j++)) {
+ return -1;
+ }
+ }
+
+ return j;
+ }
+
+ function parsePeriod(d, string, i) {
+ var n = periodRe.exec(string.slice(i));
+ return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1;
+ }
+
+ function parseShortWeekday(d, string, i) {
+ var n = shortWeekdayRe.exec(string.slice(i));
+ return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
+ }
+
+ function parseWeekday(d, string, i) {
+ var n = weekdayRe.exec(string.slice(i));
+ return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
+ }
+
+ function parseShortMonth(d, string, i) {
+ var n = shortMonthRe.exec(string.slice(i));
+ return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
+ }
+
+ function parseMonth(d, string, i) {
+ var n = monthRe.exec(string.slice(i));
+ return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
+ }
+
+ function parseLocaleDateTime(d, string, i) {
+ return parseSpecifier(d, locale_dateTime, string, i);
+ }
+
+ function parseLocaleDate(d, string, i) {
+ return parseSpecifier(d, locale_date, string, i);
+ }
+
+ function parseLocaleTime(d, string, i) {
+ return parseSpecifier(d, locale_time, string, i);
+ }
+
+ function formatShortWeekday(d) {
+ return locale_shortWeekdays[d.getDay()];
+ }
+
+ function formatWeekday(d) {
+ return locale_weekdays[d.getDay()];
+ }
+
+ function formatShortMonth(d) {
+ return locale_shortMonths[d.getMonth()];
+ }
+
+ function formatMonth(d) {
+ return locale_months[d.getMonth()];
+ }
+
+ function formatPeriod(d) {
+ return locale_periods[+(d.getHours() >= 12)];
+ }
+
+ function formatUTCShortWeekday(d) {
+ return locale_shortWeekdays[d.getUTCDay()];
+ }
+
+ function formatUTCWeekday(d) {
+ return locale_weekdays[d.getUTCDay()];
+ }
+
+ function formatUTCShortMonth(d) {
+ return locale_shortMonths[d.getUTCMonth()];
+ }
+
+ function formatUTCMonth(d) {
+ return locale_months[d.getUTCMonth()];
+ }
+
+ function formatUTCPeriod(d) {
+ return locale_periods[+(d.getUTCHours() >= 12)];
+ }
+
+ return {
+ format: function(specifier) {
+ var f = newFormat(specifier += "", formats);
+ f.toString = function() { return specifier; };
+ return f;
+ },
+ parse: function(specifier) {
+ var p = newParse(specifier += "", localDate);
+ p.toString = function() { return specifier; };
+ return p;
+ },
+ utcFormat: function(specifier) {
+ var f = newFormat(specifier += "", utcFormats);
+ f.toString = function() { return specifier; };
+ return f;
+ },
+ utcParse: function(specifier) {
+ var p = newParse(specifier, utcDate);
+ p.toString = function() { return specifier; };
+ return p;
+ }
+ };
+}
+
+var pads = {"-": "", "_": " ", "0": "0"};
+var numberRe = /^\s*\d+/;
+var percentRe = /^%/;
+var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+
+function pad(value, fill, width) {
+ var sign = value < 0 ? "-" : "",
+ string = (sign ? -value : value) + "",
+ length = string.length;
+ return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
+}
+
+function requote(s) {
+ return s.replace(requoteRe, "\\$&");
+}
+
+function formatRe(names) {
+ return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i");
+}
+
+function formatLookup(names) {
+ var map = {}, i = -1, n = names.length;
+ while (++i < n) map[names[i].toLowerCase()] = i;
+ return map;
+}
+
+function parseWeekdayNumber(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 1));
+ return n ? (d.w = +n[0], i + n[0].length) : -1;
+}
+
+function parseWeekNumberSunday(d, string, i) {
+ var n = numberRe.exec(string.slice(i));
+ return n ? (d.U = +n[0], i + n[0].length) : -1;
+}
+
+function parseWeekNumberMonday(d, string, i) {
+ var n = numberRe.exec(string.slice(i));
+ return n ? (d.W = +n[0], i + n[0].length) : -1;
+}
+
+function parseFullYear(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 4));
+ return n ? (d.y = +n[0], i + n[0].length) : -1;
+}
+
+function parseYear(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1;
+}
+
+function parseZone(d, string, i) {
+ var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6));
+ return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1;
+}
+
+function parseMonthNumber(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.m = n[0] - 1, i + n[0].length) : -1;
+}
+
+function parseDayOfMonth(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.d = +n[0], i + n[0].length) : -1;
+}
+
+function parseDayOfYear(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 3));
+ return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1;
+}
+
+function parseHour24(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.H = +n[0], i + n[0].length) : -1;
+}
+
+function parseMinutes(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.M = +n[0], i + n[0].length) : -1;
+}
+
+function parseSeconds(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 2));
+ return n ? (d.S = +n[0], i + n[0].length) : -1;
+}
+
+function parseMilliseconds(d, string, i) {
+ var n = numberRe.exec(string.slice(i, i + 3));
+ return n ? (d.L = +n[0], i + n[0].length) : -1;
+}
+
+function parseLiteralPercent(d, string, i) {
+ var n = percentRe.exec(string.slice(i, i + 1));
+ return n ? i + n[0].length : -1;
+}
+
+function formatDayOfMonth(d, p) {
+ return pad(d.getDate(), p, 2);
+}
+
+function formatHour24(d, p) {
+ return pad(d.getHours(), p, 2);
+}
+
+function formatHour12(d, p) {
+ return pad(d.getHours() % 12 || 12, p, 2);
+}
+
+function formatDayOfYear(d, p) {
+ return pad(1 + day.count(year(d), d), p, 3);
+}
+
+function formatMilliseconds(d, p) {
+ return pad(d.getMilliseconds(), p, 3);
+}
+
+function formatMonthNumber(d, p) {
+ return pad(d.getMonth() + 1, p, 2);
+}
+
+function formatMinutes(d, p) {
+ return pad(d.getMinutes(), p, 2);
+}
+
+function formatSeconds(d, p) {
+ return pad(d.getSeconds(), p, 2);
+}
+
+function formatWeekNumberSunday(d, p) {
+ return pad(sunday.count(year(d), d), p, 2);
+}
+
+function formatWeekdayNumber(d) {
+ return d.getDay();
+}
+
+function formatWeekNumberMonday(d, p) {
+ return pad(monday.count(year(d), d), p, 2);
+}
+
+function formatYear(d, p) {
+ return pad(d.getFullYear() % 100, p, 2);
+}
+
+function formatFullYear(d, p) {
+ return pad(d.getFullYear() % 10000, p, 4);
+}
+
+function formatZone(d) {
+ var z = d.getTimezoneOffset();
+ return (z > 0 ? "-" : (z *= -1, "+"))
+ + pad(z / 60 | 0, "0", 2)
+ + pad(z % 60, "0", 2);
+}
+
+function formatUTCDayOfMonth(d, p) {
+ return pad(d.getUTCDate(), p, 2);
+}
+
+function formatUTCHour24(d, p) {
+ return pad(d.getUTCHours(), p, 2);
+}
+
+function formatUTCHour12(d, p) {
+ return pad(d.getUTCHours() % 12 || 12, p, 2);
+}
+
+function formatUTCDayOfYear(d, p) {
+ return pad(1 + utcDay.count(utcYear(d), d), p, 3);
+}
+
+function formatUTCMilliseconds(d, p) {
+ return pad(d.getUTCMilliseconds(), p, 3);
+}
+
+function formatUTCMonthNumber(d, p) {
+ return pad(d.getUTCMonth() + 1, p, 2);
+}
+
+function formatUTCMinutes(d, p) {
+ return pad(d.getUTCMinutes(), p, 2);
+}
+
+function formatUTCSeconds(d, p) {
+ return pad(d.getUTCSeconds(), p, 2);
+}
+
+function formatUTCWeekNumberSunday(d, p) {
+ return pad(utcSunday.count(utcYear(d), d), p, 2);
+}
+
+function formatUTCWeekdayNumber(d) {
+ return d.getUTCDay();
+}
+
+function formatUTCWeekNumberMonday(d, p) {
+ return pad(utcMonday.count(utcYear(d), d), p, 2);
+}
+
+function formatUTCYear(d, p) {
+ return pad(d.getUTCFullYear() % 100, p, 2);
+}
+
+function formatUTCFullYear(d, p) {
+ return pad(d.getUTCFullYear() % 10000, p, 4);
+}
+
+function formatUTCZone() {
+ return "+0000";
+}
+
+function formatLiteralPercent() {
+ return "%";
+}
+
+var locale$2;
+
+
+
+
+
+defaultLocale$1({
+ dateTime: "%x, %X",
+ date: "%-m/%-d/%Y",
+ time: "%-I:%M:%S %p",
+ periods: ["AM", "PM"],
+ days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
+ shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
+ months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
+ shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
+});
+
+function defaultLocale$1(definition) {
+ locale$2 = formatLocale$1(definition);
+ exports.timeFormat = locale$2.format;
+ exports.timeParse = locale$2.parse;
+ exports.utcFormat = locale$2.utcFormat;
+ exports.utcParse = locale$2.utcParse;
+ return locale$2;
+}
+
+var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ";
+
+function formatIsoNative(date) {
+ return date.toISOString();
+}
+
+var formatIso = Date.prototype.toISOString
+ ? formatIsoNative
+ : exports.utcFormat(isoSpecifier);
+
+function parseIsoNative(string) {
+ var date = new Date(string);
+ return isNaN(date) ? null : date;
+}
+
+var parseIso = +new Date("2000-01-01T00:00:00.000Z")
+ ? parseIsoNative
+ : exports.utcParse(isoSpecifier);
+
+var durationSecond = 1000;
+var durationMinute = durationSecond * 60;
+var durationHour = durationMinute * 60;
+var durationDay = durationHour * 24;
+var durationWeek = durationDay * 7;
+var durationMonth = durationDay * 30;
+var durationYear = durationDay * 365;
+
+function date$1(t) {
+ return new Date(t);
+}
+
+function number$2(t) {
+ return t instanceof Date ? +t : +new Date(+t);
+}
+
+function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) {
+ var scale = continuous(deinterpolateLinear, reinterpolate),
+ invert = scale.invert,
+ domain = scale.domain;
+
+ var formatMillisecond = format(".%L"),
+ formatSecond = format(":%S"),
+ formatMinute = format("%I:%M"),
+ formatHour = format("%I %p"),
+ formatDay = format("%a %d"),
+ formatWeek = format("%b %d"),
+ formatMonth = format("%B"),
+ formatYear = format("%Y");
+
+ var tickIntervals = [
+ [second$$1, 1, durationSecond],
+ [second$$1, 5, 5 * durationSecond],
+ [second$$1, 15, 15 * durationSecond],
+ [second$$1, 30, 30 * durationSecond],
+ [minute$$1, 1, durationMinute],
+ [minute$$1, 5, 5 * durationMinute],
+ [minute$$1, 15, 15 * durationMinute],
+ [minute$$1, 30, 30 * durationMinute],
+ [ hour$$1, 1, durationHour ],
+ [ hour$$1, 3, 3 * durationHour ],
+ [ hour$$1, 6, 6 * durationHour ],
+ [ hour$$1, 12, 12 * durationHour ],
+ [ day$$1, 1, durationDay ],
+ [ day$$1, 2, 2 * durationDay ],
+ [ week, 1, durationWeek ],
+ [ month$$1, 1, durationMonth ],
+ [ month$$1, 3, 3 * durationMonth ],
+ [ year$$1, 1, durationYear ]
+ ];
+
+ function tickFormat(date) {
+ return (second$$1(date) < date ? formatMillisecond
+ : minute$$1(date) < date ? formatSecond
+ : hour$$1(date) < date ? formatMinute
+ : day$$1(date) < date ? formatHour
+ : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek)
+ : year$$1(date) < date ? formatMonth
+ : formatYear)(date);
+ }
+
+ function tickInterval(interval, start, stop, step) {
+ if (interval == null) interval = 10;
+
+ // If a desired tick count is specified, pick a reasonable tick interval
+ // based on the extent of the domain and a rough estimate of tick size.
+ // Otherwise, assume interval is already a time interval and use it.
+ if (typeof interval === "number") {
+ var target = Math.abs(stop - start) / interval,
+ i = bisector(function(i) { return i[2]; }).right(tickIntervals, target);
+ if (i === tickIntervals.length) {
+ step = tickStep(start / durationYear, stop / durationYear, interval);
+ interval = year$$1;
+ } else if (i) {
+ i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i];
+ step = i[1];
+ interval = i[0];
+ } else {
+ step = tickStep(start, stop, interval);
+ interval = millisecond$$1;
+ }
+ }
+
+ return step == null ? interval : interval.every(step);
+ }
+
+ scale.invert = function(y) {
+ return new Date(invert(y));
+ };
+
+ scale.domain = function(_) {
+ return arguments.length ? domain(map$3.call(_, number$2)) : domain().map(date$1);
+ };
+
+ scale.ticks = function(interval, step) {
+ var d = domain(),
+ t0 = d[0],
+ t1 = d[d.length - 1],
+ r = t1 < t0,
+ t;
+ if (r) t = t0, t0 = t1, t1 = t;
+ t = tickInterval(interval, t0, t1, step);
+ t = t ? t.range(t0, t1 + 1) : []; // inclusive stop
+ return r ? t.reverse() : t;
+ };
+
+ scale.tickFormat = function(count, specifier) {
+ return specifier == null ? tickFormat : format(specifier);
+ };
+
+ scale.nice = function(interval, step) {
+ var d = domain();
+ return (interval = tickInterval(interval, d[0], d[d.length - 1], step))
+ ? domain(nice(d, interval))
+ : scale;
+ };
+
+ scale.copy = function() {
+ return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format));
+ };
+
+ return scale;
+}
+
+var time = function() {
+ return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]);
+};
+
+var utcTime = function() {
+ return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]);
+};
+
+var colors = function(s) {
+ return s.match(/.{6}/g).map(function(x) {
+ return "#" + x;
+ });
+};
+
+var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf");
+
+var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6");
+
+var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9");
+
+var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5");
+
+var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0));
+
+var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
+
+var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
+
+var rainbow = cubehelix();
+
+var rainbow$1 = function(t) {
+ if (t < 0 || t > 1) t -= Math.floor(t);
+ var ts = Math.abs(t - 0.5);
+ rainbow.h = 360 * t - 100;
+ rainbow.s = 1.5 - 1.5 * ts;
+ rainbow.l = 0.8 - 0.9 * ts;
+ return rainbow + "";
+};
+
+function ramp(range) {
+ var n = range.length;
+ return function(t) {
+ return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))];
+ };
+}
+
+var viridis = ramp(colors("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"));
+
+var magma = ramp(colors("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"));
+
+var inferno = ramp(colors("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"));
+
+var plasma = ramp(colors("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"));
+
+function sequential(interpolator) {
+ var x0 = 0,
+ x1 = 1,
+ clamp = false;
+
+ function scale(x) {
+ var t = (x - x0) / (x1 - x0);
+ return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t);
+ }
+
+ scale.domain = function(_) {
+ return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1];
+ };
+
+ scale.clamp = function(_) {
+ return arguments.length ? (clamp = !!_, scale) : clamp;
+ };
+
+ scale.interpolator = function(_) {
+ return arguments.length ? (interpolator = _, scale) : interpolator;
+ };
+
+ scale.copy = function() {
+ return sequential(interpolator).domain([x0, x1]).clamp(clamp);
+ };
+
+ return linearish(scale);
+}
+
+var constant$10 = function(x) {
+ return function constant() {
+ return x;
+ };
+};
+
+var abs$1 = Math.abs;
+var atan2$1 = Math.atan2;
+var cos$2 = Math.cos;
+var max$2 = Math.max;
+var min$1 = Math.min;
+var sin$2 = Math.sin;
+var sqrt$2 = Math.sqrt;
+
+var epsilon$3 = 1e-12;
+var pi$4 = Math.PI;
+var halfPi$3 = pi$4 / 2;
+var tau$4 = 2 * pi$4;
+
+function acos$1(x) {
+ return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x);
+}
+
+function asin$1(x) {
+ return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x);
+}
+
+function arcInnerRadius(d) {
+ return d.innerRadius;
+}
+
+function arcOuterRadius(d) {
+ return d.outerRadius;
+}
+
+function arcStartAngle(d) {
+ return d.startAngle;
+}
+
+function arcEndAngle(d) {
+ return d.endAngle;
+}
+
+function arcPadAngle(d) {
+ return d && d.padAngle; // Note: optional!
+}
+
+function intersect(x0, y0, x1, y1, x2, y2, x3, y3) {
+ var x10 = x1 - x0, y10 = y1 - y0,
+ x32 = x3 - x2, y32 = y3 - y2,
+ t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10);
+ return [x0 + t * x10, y0 + t * y10];
+}
+
+// Compute perpendicular offset line of length rc.
+// http://mathworld.wolfram.com/Circle-LineIntersection.html
+function cornerTangents(x0, y0, x1, y1, r1, rc, cw) {
+ var x01 = x0 - x1,
+ y01 = y0 - y1,
+ lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01),
+ ox = lo * y01,
+ oy = -lo * x01,
+ x11 = x0 + ox,
+ y11 = y0 + oy,
+ x10 = x1 + ox,
+ y10 = y1 + oy,
+ x00 = (x11 + x10) / 2,
+ y00 = (y11 + y10) / 2,
+ dx = x10 - x11,
+ dy = y10 - y11,
+ d2 = dx * dx + dy * dy,
+ r = r1 - rc,
+ D = x11 * y10 - x10 * y11,
+ d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)),
+ cx0 = (D * dy - dx * d) / d2,
+ cy0 = (-D * dx - dy * d) / d2,
+ cx1 = (D * dy + dx * d) / d2,
+ cy1 = (-D * dx + dy * d) / d2,
+ dx0 = cx0 - x00,
+ dy0 = cy0 - y00,
+ dx1 = cx1 - x00,
+ dy1 = cy1 - y00;
+
+ // Pick the closer of the two intersection points.
+ // TODO Is there a faster way to determine which intersection to use?
+ if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
+
+ return {
+ cx: cx0,
+ cy: cy0,
+ x01: -ox,
+ y01: -oy,
+ x11: cx0 * (r1 / r - 1),
+ y11: cy0 * (r1 / r - 1)
+ };
+}
+
+var arc = function() {
+ var innerRadius = arcInnerRadius,
+ outerRadius = arcOuterRadius,
+ cornerRadius = constant$10(0),
+ padRadius = null,
+ startAngle = arcStartAngle,
+ endAngle = arcEndAngle,
+ padAngle = arcPadAngle,
+ context = null;
+
+ function arc() {
+ var buffer,
+ r,
+ r0 = +innerRadius.apply(this, arguments),
+ r1 = +outerRadius.apply(this, arguments),
+ a0 = startAngle.apply(this, arguments) - halfPi$3,
+ a1 = endAngle.apply(this, arguments) - halfPi$3,
+ da = abs$1(a1 - a0),
+ cw = a1 > a0;
+
+ if (!context) context = buffer = path();
+
+ // Ensure that the outer radius is always larger than the inner radius.
+ if (r1 < r0) r = r1, r1 = r0, r0 = r;
+
+ // Is it a point?
+ if (!(r1 > epsilon$3)) context.moveTo(0, 0);
+
+ // Or is it a circle or annulus?
+ else if (da > tau$4 - epsilon$3) {
+ context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0));
+ context.arc(0, 0, r1, a0, a1, !cw);
+ if (r0 > epsilon$3) {
+ context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1));
+ context.arc(0, 0, r0, a1, a0, cw);
+ }
+ }
+
+ // Or is it a circular or annular sector?
+ else {
+ var a01 = a0,
+ a11 = a1,
+ a00 = a0,
+ a10 = a1,
+ da0 = da,
+ da1 = da,
+ ap = padAngle.apply(this, arguments) / 2,
+ rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)),
+ rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)),
+ rc0 = rc,
+ rc1 = rc,
+ t0,
+ t1;
+
+ // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0.
+ if (rp > epsilon$3) {
+ var p0 = asin$1(rp / r0 * sin$2(ap)),
+ p1 = asin$1(rp / r1 * sin$2(ap));
+ if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0;
+ else da0 = 0, a00 = a10 = (a0 + a1) / 2;
+ if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1;
+ else da1 = 0, a01 = a11 = (a0 + a1) / 2;
+ }
+
+ var x01 = r1 * cos$2(a01),
+ y01 = r1 * sin$2(a01),
+ x10 = r0 * cos$2(a10),
+ y10 = r0 * sin$2(a10);
+
+ // Apply rounded corners?
+ if (rc > epsilon$3) {
+ var x11 = r1 * cos$2(a11),
+ y11 = r1 * sin$2(a11),
+ x00 = r0 * cos$2(a00),
+ y00 = r0 * sin$2(a00);
+
+ // Restrict the corner radius according to the sector angle.
+ if (da < pi$4) {
+ var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10],
+ ax = x01 - oc[0],
+ ay = y01 - oc[1],
+ bx = x11 - oc[0],
+ by = y11 - oc[1],
+ kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2),
+ lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]);
+ rc0 = min$1(rc, (r0 - lc) / (kc - 1));
+ rc1 = min$1(rc, (r1 - lc) / (kc + 1));
+ }
+ }
+
+ // Is the sector collapsed to a line?
+ if (!(da1 > epsilon$3)) context.moveTo(x01, y01);
+
+ // Does the sector’s outer ring have rounded corners?
+ else if (rc1 > epsilon$3) {
+ t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw);
+ t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw);
+
+ context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01);
+
+ // Have the corners merged?
+ if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw);
+
+ // Otherwise, draw the two corners and the ring.
+ else {
+ context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw);
+ context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw);
+ context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw);
+ }
+ }
+
+ // Or is the outer ring just a circular arc?
+ else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw);
+
+ // Is there no inner ring, and it’s a circular sector?
+ // Or perhaps it’s an annular sector collapsed due to padding?
+ if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10);
+
+ // Does the sector’s inner ring (or point) have rounded corners?
+ else if (rc0 > epsilon$3) {
+ t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw);
+ t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw);
+
+ context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01);
+
+ // Have the corners merged?
+ if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw);
+
+ // Otherwise, draw the two corners and the ring.
+ else {
+ context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw);
+ context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw);
+ context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw);
+ }
+ }
+
+ // Or is the inner ring just a circular arc?
+ else context.arc(0, 0, r0, a10, a00, cw);
+ }
+
+ context.closePath();
+
+ if (buffer) return context = null, buffer + "" || null;
+ }
+
+ arc.centroid = function() {
+ var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2,
+ a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2;
+ return [cos$2(a) * r, sin$2(a) * r];
+ };
+
+ arc.innerRadius = function(_) {
+ return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius;
+ };
+
+ arc.outerRadius = function(_) {
+ return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius;
+ };
+
+ arc.cornerRadius = function(_) {
+ return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius;
+ };
+
+ arc.padRadius = function(_) {
+ return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius;
+ };
+
+ arc.startAngle = function(_) {
+ return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle;
+ };
+
+ arc.endAngle = function(_) {
+ return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle;
+ };
+
+ arc.padAngle = function(_) {
+ return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle;
+ };
+
+ arc.context = function(_) {
+ return arguments.length ? ((context = _ == null ? null : _), arc) : context;
+ };
+
+ return arc;
+};
+
+function Linear(context) {
+ this._context = context;
+}
+
+Linear.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; // proceed
+ default: this._context.lineTo(x, y); break;
+ }
+ }
+};
+
+var curveLinear = function(context) {
+ return new Linear(context);
+};
+
+function x$3(p) {
+ return p[0];
+}
+
+function y$3(p) {
+ return p[1];
+}
+
+var line = function() {
+ var x$$1 = x$3,
+ y$$1 = y$3,
+ defined = constant$10(true),
+ context = null,
+ curve = curveLinear,
+ output = null;
+
+ function line(data) {
+ var i,
+ n = data.length,
+ d,
+ defined0 = false,
+ buffer;
+
+ if (context == null) output = curve(buffer = path());
+
+ for (i = 0; i <= n; ++i) {
+ if (!(i < n && defined(d = data[i], i, data)) === defined0) {
+ if (defined0 = !defined0) output.lineStart();
+ else output.lineEnd();
+ }
+ if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data));
+ }
+
+ if (buffer) return output = null, buffer + "" || null;
+ }
+
+ line.x = function(_) {
+ return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1;
+ };
+
+ line.y = function(_) {
+ return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1;
+ };
+
+ line.defined = function(_) {
+ return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined;
+ };
+
+ line.curve = function(_) {
+ return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve;
+ };
+
+ line.context = function(_) {
+ return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context;
+ };
+
+ return line;
+};
+
+var area$2 = function() {
+ var x0 = x$3,
+ x1 = null,
+ y0 = constant$10(0),
+ y1 = y$3,
+ defined = constant$10(true),
+ context = null,
+ curve = curveLinear,
+ output = null;
+
+ function area(data) {
+ var i,
+ j,
+ k,
+ n = data.length,
+ d,
+ defined0 = false,
+ buffer,
+ x0z = new Array(n),
+ y0z = new Array(n);
+
+ if (context == null) output = curve(buffer = path());
+
+ for (i = 0; i <= n; ++i) {
+ if (!(i < n && defined(d = data[i], i, data)) === defined0) {
+ if (defined0 = !defined0) {
+ j = i;
+ output.areaStart();
+ output.lineStart();
+ } else {
+ output.lineEnd();
+ output.lineStart();
+ for (k = i - 1; k >= j; --k) {
+ output.point(x0z[k], y0z[k]);
+ }
+ output.lineEnd();
+ output.areaEnd();
+ }
+ }
+ if (defined0) {
+ x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data);
+ output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]);
+ }
+ }
+
+ if (buffer) return output = null, buffer + "" || null;
+ }
+
+ function arealine() {
+ return line().defined(defined).curve(curve).context(context);
+ }
+
+ area.x = function(_) {
+ return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0;
+ };
+
+ area.x0 = function(_) {
+ return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0;
+ };
+
+ area.x1 = function(_) {
+ return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1;
+ };
+
+ area.y = function(_) {
+ return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0;
+ };
+
+ area.y0 = function(_) {
+ return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0;
+ };
+
+ area.y1 = function(_) {
+ return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1;
+ };
+
+ area.lineX0 =
+ area.lineY0 = function() {
+ return arealine().x(x0).y(y0);
+ };
+
+ area.lineY1 = function() {
+ return arealine().x(x0).y(y1);
+ };
+
+ area.lineX1 = function() {
+ return arealine().x(x1).y(y0);
+ };
+
+ area.defined = function(_) {
+ return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined;
+ };
+
+ area.curve = function(_) {
+ return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve;
+ };
+
+ area.context = function(_) {
+ return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context;
+ };
+
+ return area;
+};
+
+var descending$1 = function(a, b) {
+ return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+};
+
+var identity$7 = function(d) {
+ return d;
+};
+
+var pie = function() {
+ var value = identity$7,
+ sortValues = descending$1,
+ sort = null,
+ startAngle = constant$10(0),
+ endAngle = constant$10(tau$4),
+ padAngle = constant$10(0);
+
+ function pie(data) {
+ var i,
+ n = data.length,
+ j,
+ k,
+ sum = 0,
+ index = new Array(n),
+ arcs = new Array(n),
+ a0 = +startAngle.apply(this, arguments),
+ da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)),
+ a1,
+ p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)),
+ pa = p * (da < 0 ? -1 : 1),
+ v;
+
+ for (i = 0; i < n; ++i) {
+ if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) {
+ sum += v;
+ }
+ }
+
+ // Optionally sort the arcs by previously-computed values or by data.
+ if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); });
+ else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); });
+
+ // Compute the arcs! They are stored in the original data's order.
+ for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) {
+ j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = {
+ data: data[j],
+ index: i,
+ value: v,
+ startAngle: a0,
+ endAngle: a1,
+ padAngle: p
+ };
+ }
+
+ return arcs;
+ }
+
+ pie.value = function(_) {
+ return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value;
+ };
+
+ pie.sortValues = function(_) {
+ return arguments.length ? (sortValues = _, sort = null, pie) : sortValues;
+ };
+
+ pie.sort = function(_) {
+ return arguments.length ? (sort = _, sortValues = null, pie) : sort;
+ };
+
+ pie.startAngle = function(_) {
+ return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle;
+ };
+
+ pie.endAngle = function(_) {
+ return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle;
+ };
+
+ pie.padAngle = function(_) {
+ return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle;
+ };
+
+ return pie;
+};
+
+var curveRadialLinear = curveRadial(curveLinear);
+
+function Radial(curve) {
+ this._curve = curve;
+}
+
+Radial.prototype = {
+ areaStart: function() {
+ this._curve.areaStart();
+ },
+ areaEnd: function() {
+ this._curve.areaEnd();
+ },
+ lineStart: function() {
+ this._curve.lineStart();
+ },
+ lineEnd: function() {
+ this._curve.lineEnd();
+ },
+ point: function(a, r) {
+ this._curve.point(r * Math.sin(a), r * -Math.cos(a));
+ }
+};
+
+function curveRadial(curve) {
+
+ function radial(context) {
+ return new Radial(curve(context));
+ }
+
+ radial._curve = curve;
+
+ return radial;
+}
+
+function radialLine(l) {
+ var c = l.curve;
+
+ l.angle = l.x, delete l.x;
+ l.radius = l.y, delete l.y;
+
+ l.curve = function(_) {
+ return arguments.length ? c(curveRadial(_)) : c()._curve;
+ };
+
+ return l;
+}
+
+var radialLine$1 = function() {
+ return radialLine(line().curve(curveRadialLinear));
+};
+
+var radialArea = function() {
+ var a = area$2().curve(curveRadialLinear),
+ c = a.curve,
+ x0 = a.lineX0,
+ x1 = a.lineX1,
+ y0 = a.lineY0,
+ y1 = a.lineY1;
+
+ a.angle = a.x, delete a.x;
+ a.startAngle = a.x0, delete a.x0;
+ a.endAngle = a.x1, delete a.x1;
+ a.radius = a.y, delete a.y;
+ a.innerRadius = a.y0, delete a.y0;
+ a.outerRadius = a.y1, delete a.y1;
+ a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0;
+ a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1;
+ a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0;
+ a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1;
+
+ a.curve = function(_) {
+ return arguments.length ? c(curveRadial(_)) : c()._curve;
+ };
+
+ return a;
+};
+
+var circle$2 = {
+ draw: function(context, size) {
+ var r = Math.sqrt(size / pi$4);
+ context.moveTo(r, 0);
+ context.arc(0, 0, r, 0, tau$4);
+ }
+};
+
+var cross$2 = {
+ draw: function(context, size) {
+ var r = Math.sqrt(size / 5) / 2;
+ context.moveTo(-3 * r, -r);
+ context.lineTo(-r, -r);
+ context.lineTo(-r, -3 * r);
+ context.lineTo(r, -3 * r);
+ context.lineTo(r, -r);
+ context.lineTo(3 * r, -r);
+ context.lineTo(3 * r, r);
+ context.lineTo(r, r);
+ context.lineTo(r, 3 * r);
+ context.lineTo(-r, 3 * r);
+ context.lineTo(-r, r);
+ context.lineTo(-3 * r, r);
+ context.closePath();
+ }
+};
+
+var tan30 = Math.sqrt(1 / 3);
+var tan30_2 = tan30 * 2;
+
+var diamond = {
+ draw: function(context, size) {
+ var y = Math.sqrt(size / tan30_2),
+ x = y * tan30;
+ context.moveTo(0, -y);
+ context.lineTo(x, 0);
+ context.lineTo(0, y);
+ context.lineTo(-x, 0);
+ context.closePath();
+ }
+};
+
+var ka = 0.89081309152928522810;
+var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10);
+var kx = Math.sin(tau$4 / 10) * kr;
+var ky = -Math.cos(tau$4 / 10) * kr;
+
+var star = {
+ draw: function(context, size) {
+ var r = Math.sqrt(size * ka),
+ x = kx * r,
+ y = ky * r;
+ context.moveTo(0, -r);
+ context.lineTo(x, y);
+ for (var i = 1; i < 5; ++i) {
+ var a = tau$4 * i / 5,
+ c = Math.cos(a),
+ s = Math.sin(a);
+ context.lineTo(s * r, -c * r);
+ context.lineTo(c * x - s * y, s * x + c * y);
+ }
+ context.closePath();
+ }
+};
+
+var square = {
+ draw: function(context, size) {
+ var w = Math.sqrt(size),
+ x = -w / 2;
+ context.rect(x, x, w, w);
+ }
+};
+
+var sqrt3 = Math.sqrt(3);
+
+var triangle = {
+ draw: function(context, size) {
+ var y = -Math.sqrt(size / (sqrt3 * 3));
+ context.moveTo(0, y * 2);
+ context.lineTo(-sqrt3 * y, -y);
+ context.lineTo(sqrt3 * y, -y);
+ context.closePath();
+ }
+};
+
+var c = -0.5;
+var s = Math.sqrt(3) / 2;
+var k = 1 / Math.sqrt(12);
+var a = (k / 2 + 1) * 3;
+
+var wye = {
+ draw: function(context, size) {
+ var r = Math.sqrt(size / a),
+ x0 = r / 2,
+ y0 = r * k,
+ x1 = x0,
+ y1 = r * k + r,
+ x2 = -x1,
+ y2 = y1;
+ context.moveTo(x0, y0);
+ context.lineTo(x1, y1);
+ context.lineTo(x2, y2);
+ context.lineTo(c * x0 - s * y0, s * x0 + c * y0);
+ context.lineTo(c * x1 - s * y1, s * x1 + c * y1);
+ context.lineTo(c * x2 - s * y2, s * x2 + c * y2);
+ context.lineTo(c * x0 + s * y0, c * y0 - s * x0);
+ context.lineTo(c * x1 + s * y1, c * y1 - s * x1);
+ context.lineTo(c * x2 + s * y2, c * y2 - s * x2);
+ context.closePath();
+ }
+};
+
+var symbols = [
+ circle$2,
+ cross$2,
+ diamond,
+ square,
+ star,
+ triangle,
+ wye
+];
+
+var symbol = function() {
+ var type = constant$10(circle$2),
+ size = constant$10(64),
+ context = null;
+
+ function symbol() {
+ var buffer;
+ if (!context) context = buffer = path();
+ type.apply(this, arguments).draw(context, +size.apply(this, arguments));
+ if (buffer) return context = null, buffer + "" || null;
+ }
+
+ symbol.type = function(_) {
+ return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type;
+ };
+
+ symbol.size = function(_) {
+ return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size;
+ };
+
+ symbol.context = function(_) {
+ return arguments.length ? (context = _ == null ? null : _, symbol) : context;
+ };
+
+ return symbol;
+};
+
+var noop$2 = function() {};
+
+function point$2(that, x, y) {
+ that._context.bezierCurveTo(
+ (2 * that._x0 + that._x1) / 3,
+ (2 * that._y0 + that._y1) / 3,
+ (that._x0 + 2 * that._x1) / 3,
+ (that._y0 + 2 * that._y1) / 3,
+ (that._x0 + 4 * that._x1 + x) / 6,
+ (that._y0 + 4 * that._y1 + y) / 6
+ );
+}
+
+function Basis(context) {
+ this._context = context;
+}
+
+Basis.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 =
+ this._y0 = this._y1 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 3: point$2(this, this._x1, this._y1); // proceed
+ case 2: this._context.lineTo(this._x1, this._y1); break;
+ }
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed
+ default: point$2(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = x;
+ this._y0 = this._y1, this._y1 = y;
+ }
+};
+
+var basis$2 = function(context) {
+ return new Basis(context);
+};
+
+function BasisClosed(context) {
+ this._context = context;
+}
+
+BasisClosed.prototype = {
+ areaStart: noop$2,
+ areaEnd: noop$2,
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 = this._x3 = this._x4 =
+ this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 1: {
+ this._context.moveTo(this._x2, this._y2);
+ this._context.closePath();
+ break;
+ }
+ case 2: {
+ this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3);
+ this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3);
+ this._context.closePath();
+ break;
+ }
+ case 3: {
+ this.point(this._x2, this._y2);
+ this.point(this._x3, this._y3);
+ this.point(this._x4, this._y4);
+ break;
+ }
+ }
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._x2 = x, this._y2 = y; break;
+ case 1: this._point = 2; this._x3 = x, this._y3 = y; break;
+ case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break;
+ default: point$2(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = x;
+ this._y0 = this._y1, this._y1 = y;
+ }
+};
+
+var basisClosed$1 = function(context) {
+ return new BasisClosed(context);
+};
+
+function BasisOpen(context) {
+ this._context = context;
+}
+
+BasisOpen.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 =
+ this._y0 = this._y1 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break;
+ case 3: this._point = 4; // proceed
+ default: point$2(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = x;
+ this._y0 = this._y1, this._y1 = y;
+ }
+};
+
+var basisOpen = function(context) {
+ return new BasisOpen(context);
+};
+
+function Bundle(context, beta) {
+ this._basis = new Basis(context);
+ this._beta = beta;
+}
+
+Bundle.prototype = {
+ lineStart: function() {
+ this._x = [];
+ this._y = [];
+ this._basis.lineStart();
+ },
+ lineEnd: function() {
+ var x = this._x,
+ y = this._y,
+ j = x.length - 1;
+
+ if (j > 0) {
+ var x0 = x[0],
+ y0 = y[0],
+ dx = x[j] - x0,
+ dy = y[j] - y0,
+ i = -1,
+ t;
+
+ while (++i <= j) {
+ t = i / j;
+ this._basis.point(
+ this._beta * x[i] + (1 - this._beta) * (x0 + t * dx),
+ this._beta * y[i] + (1 - this._beta) * (y0 + t * dy)
+ );
+ }
+ }
+
+ this._x = this._y = null;
+ this._basis.lineEnd();
+ },
+ point: function(x, y) {
+ this._x.push(+x);
+ this._y.push(+y);
+ }
+};
+
+var bundle = ((function custom(beta) {
+
+ function bundle(context) {
+ return beta === 1 ? new Basis(context) : new Bundle(context, beta);
+ }
+
+ bundle.beta = function(beta) {
+ return custom(+beta);
+ };
+
+ return bundle;
+}))(0.85);
+
+function point$3(that, x, y) {
+ that._context.bezierCurveTo(
+ that._x1 + that._k * (that._x2 - that._x0),
+ that._y1 + that._k * (that._y2 - that._y0),
+ that._x2 + that._k * (that._x1 - x),
+ that._y2 + that._k * (that._y1 - y),
+ that._x2,
+ that._y2
+ );
+}
+
+function Cardinal(context, tension) {
+ this._context = context;
+ this._k = (1 - tension) / 6;
+}
+
+Cardinal.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 =
+ this._y0 = this._y1 = this._y2 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 2: this._context.lineTo(this._x2, this._y2); break;
+ case 3: point$3(this, this._x1, this._y1); break;
+ }
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; this._x1 = x, this._y1 = y; break;
+ case 2: this._point = 3; // proceed
+ default: point$3(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var cardinal = ((function custom(tension) {
+
+ function cardinal(context) {
+ return new Cardinal(context, tension);
+ }
+
+ cardinal.tension = function(tension) {
+ return custom(+tension);
+ };
+
+ return cardinal;
+}))(0);
+
+function CardinalClosed(context, tension) {
+ this._context = context;
+ this._k = (1 - tension) / 6;
+}
+
+CardinalClosed.prototype = {
+ areaStart: noop$2,
+ areaEnd: noop$2,
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
+ this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 1: {
+ this._context.moveTo(this._x3, this._y3);
+ this._context.closePath();
+ break;
+ }
+ case 2: {
+ this._context.lineTo(this._x3, this._y3);
+ this._context.closePath();
+ break;
+ }
+ case 3: {
+ this.point(this._x3, this._y3);
+ this.point(this._x4, this._y4);
+ this.point(this._x5, this._y5);
+ break;
+ }
+ }
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
+ case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
+ case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
+ default: point$3(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var cardinalClosed = ((function custom(tension) {
+
+ function cardinal(context) {
+ return new CardinalClosed(context, tension);
+ }
+
+ cardinal.tension = function(tension) {
+ return custom(+tension);
+ };
+
+ return cardinal;
+}))(0);
+
+function CardinalOpen(context, tension) {
+ this._context = context;
+ this._k = (1 - tension) / 6;
+}
+
+CardinalOpen.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 =
+ this._y0 = this._y1 = this._y2 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;
+ case 3: this._point = 4; // proceed
+ default: point$3(this, x, y); break;
+ }
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var cardinalOpen = ((function custom(tension) {
+
+ function cardinal(context) {
+ return new CardinalOpen(context, tension);
+ }
+
+ cardinal.tension = function(tension) {
+ return custom(+tension);
+ };
+
+ return cardinal;
+}))(0);
+
+function point$4(that, x, y) {
+ var x1 = that._x1,
+ y1 = that._y1,
+ x2 = that._x2,
+ y2 = that._y2;
+
+ if (that._l01_a > epsilon$3) {
+ var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a,
+ n = 3 * that._l01_a * (that._l01_a + that._l12_a);
+ x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n;
+ y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n;
+ }
+
+ if (that._l23_a > epsilon$3) {
+ var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a,
+ m = 3 * that._l23_a * (that._l23_a + that._l12_a);
+ x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m;
+ y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m;
+ }
+
+ that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2);
+}
+
+function CatmullRom(context, alpha) {
+ this._context = context;
+ this._alpha = alpha;
+}
+
+CatmullRom.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 =
+ this._y0 = this._y1 = this._y2 = NaN;
+ this._l01_a = this._l12_a = this._l23_a =
+ this._l01_2a = this._l12_2a = this._l23_2a =
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 2: this._context.lineTo(this._x2, this._y2); break;
+ case 3: this.point(this._x2, this._y2); break;
+ }
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+
+ if (this._point) {
+ var x23 = this._x2 - x,
+ y23 = this._y2 - y;
+ this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
+ }
+
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; // proceed
+ default: point$4(this, x, y); break;
+ }
+
+ this._l01_a = this._l12_a, this._l12_a = this._l23_a;
+ this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var catmullRom = ((function custom(alpha) {
+
+ function catmullRom(context) {
+ return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0);
+ }
+
+ catmullRom.alpha = function(alpha) {
+ return custom(+alpha);
+ };
+
+ return catmullRom;
+}))(0.5);
+
+function CatmullRomClosed(context, alpha) {
+ this._context = context;
+ this._alpha = alpha;
+}
+
+CatmullRomClosed.prototype = {
+ areaStart: noop$2,
+ areaEnd: noop$2,
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
+ this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
+ this._l01_a = this._l12_a = this._l23_a =
+ this._l01_2a = this._l12_2a = this._l23_2a =
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 1: {
+ this._context.moveTo(this._x3, this._y3);
+ this._context.closePath();
+ break;
+ }
+ case 2: {
+ this._context.lineTo(this._x3, this._y3);
+ this._context.closePath();
+ break;
+ }
+ case 3: {
+ this.point(this._x3, this._y3);
+ this.point(this._x4, this._y4);
+ this.point(this._x5, this._y5);
+ break;
+ }
+ }
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+
+ if (this._point) {
+ var x23 = this._x2 - x,
+ y23 = this._y2 - y;
+ this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
+ }
+
+ switch (this._point) {
+ case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
+ case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
+ case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
+ default: point$4(this, x, y); break;
+ }
+
+ this._l01_a = this._l12_a, this._l12_a = this._l23_a;
+ this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var catmullRomClosed = ((function custom(alpha) {
+
+ function catmullRom(context) {
+ return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0);
+ }
+
+ catmullRom.alpha = function(alpha) {
+ return custom(+alpha);
+ };
+
+ return catmullRom;
+}))(0.5);
+
+function CatmullRomOpen(context, alpha) {
+ this._context = context;
+ this._alpha = alpha;
+}
+
+CatmullRomOpen.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 = this._x2 =
+ this._y0 = this._y1 = this._y2 = NaN;
+ this._l01_a = this._l12_a = this._l23_a =
+ this._l01_2a = this._l12_2a = this._l23_2a =
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+
+ if (this._point) {
+ var x23 = this._x2 - x,
+ y23 = this._y2 - y;
+ this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
+ }
+
+ switch (this._point) {
+ case 0: this._point = 1; break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;
+ case 3: this._point = 4; // proceed
+ default: point$4(this, x, y); break;
+ }
+
+ this._l01_a = this._l12_a, this._l12_a = this._l23_a;
+ this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
+ this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
+ this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
+ }
+};
+
+var catmullRomOpen = ((function custom(alpha) {
+
+ function catmullRom(context) {
+ return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0);
+ }
+
+ catmullRom.alpha = function(alpha) {
+ return custom(+alpha);
+ };
+
+ return catmullRom;
+}))(0.5);
+
+function LinearClosed(context) {
+ this._context = context;
+}
+
+LinearClosed.prototype = {
+ areaStart: noop$2,
+ areaEnd: noop$2,
+ lineStart: function() {
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (this._point) this._context.closePath();
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ if (this._point) this._context.lineTo(x, y);
+ else this._point = 1, this._context.moveTo(x, y);
+ }
+};
+
+var linearClosed = function(context) {
+ return new LinearClosed(context);
+};
+
+function sign$1(x) {
+ return x < 0 ? -1 : 1;
+}
+
+// Calculate the slopes of the tangents (Hermite-type interpolation) based on
+// the following paper: Steffen, M. 1990. A Simple Method for Monotonic
+// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO.
+// NOV(II), P. 443, 1990.
+function slope3(that, x2, y2) {
+ var h0 = that._x1 - that._x0,
+ h1 = x2 - that._x1,
+ s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0),
+ s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0),
+ p = (s0 * h1 + s1 * h0) / (h0 + h1);
+ return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0;
+}
+
+// Calculate a one-sided slope.
+function slope2(that, t) {
+ var h = that._x1 - that._x0;
+ return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t;
+}
+
+// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations
+// "you can express cubic Hermite interpolation in terms of cubic Bézier curves
+// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1".
+function point$5(that, t0, t1) {
+ var x0 = that._x0,
+ y0 = that._y0,
+ x1 = that._x1,
+ y1 = that._y1,
+ dx = (x1 - x0) / 3;
+ that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1);
+}
+
+function MonotoneX(context) {
+ this._context = context;
+}
+
+MonotoneX.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x0 = this._x1 =
+ this._y0 = this._y1 =
+ this._t0 = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ switch (this._point) {
+ case 2: this._context.lineTo(this._x1, this._y1); break;
+ case 3: point$5(this, this._t0, slope2(this, this._t0)); break;
+ }
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ var t1 = NaN;
+
+ x = +x, y = +y;
+ if (x === this._x1 && y === this._y1) return; // Ignore coincident points.
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; break;
+ case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break;
+ default: point$5(this, this._t0, t1 = slope3(this, x, y)); break;
+ }
+
+ this._x0 = this._x1, this._x1 = x;
+ this._y0 = this._y1, this._y1 = y;
+ this._t0 = t1;
+ }
+};
+
+function MonotoneY(context) {
+ this._context = new ReflectContext(context);
+}
+
+(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) {
+ MonotoneX.prototype.point.call(this, y, x);
+};
+
+function ReflectContext(context) {
+ this._context = context;
+}
+
+ReflectContext.prototype = {
+ moveTo: function(x, y) { this._context.moveTo(y, x); },
+ closePath: function() { this._context.closePath(); },
+ lineTo: function(x, y) { this._context.lineTo(y, x); },
+ bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); }
+};
+
+function monotoneX(context) {
+ return new MonotoneX(context);
+}
+
+function monotoneY(context) {
+ return new MonotoneY(context);
+}
+
+function Natural(context) {
+ this._context = context;
+}
+
+Natural.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x = [];
+ this._y = [];
+ },
+ lineEnd: function() {
+ var x = this._x,
+ y = this._y,
+ n = x.length;
+
+ if (n) {
+ this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]);
+ if (n === 2) {
+ this._context.lineTo(x[1], y[1]);
+ } else {
+ var px = controlPoints(x),
+ py = controlPoints(y);
+ for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) {
+ this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]);
+ }
+ }
+ }
+
+ if (this._line || (this._line !== 0 && n === 1)) this._context.closePath();
+ this._line = 1 - this._line;
+ this._x = this._y = null;
+ },
+ point: function(x, y) {
+ this._x.push(+x);
+ this._y.push(+y);
+ }
+};
+
+// See https://www.particleincell.com/2012/bezier-splines/ for derivation.
+function controlPoints(x) {
+ var i,
+ n = x.length - 1,
+ m,
+ a = new Array(n),
+ b = new Array(n),
+ r = new Array(n);
+ a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1];
+ for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1];
+ a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n];
+ for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1];
+ a[n - 1] = r[n - 1] / b[n - 1];
+ for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i];
+ b[n - 1] = (x[n] + a[n - 1]) / 2;
+ for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1];
+ return [a, b];
+}
+
+var natural = function(context) {
+ return new Natural(context);
+};
+
+function Step(context, t) {
+ this._context = context;
+ this._t = t;
+}
+
+Step.prototype = {
+ areaStart: function() {
+ this._line = 0;
+ },
+ areaEnd: function() {
+ this._line = NaN;
+ },
+ lineStart: function() {
+ this._x = this._y = NaN;
+ this._point = 0;
+ },
+ lineEnd: function() {
+ if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y);
+ if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
+ if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line;
+ },
+ point: function(x, y) {
+ x = +x, y = +y;
+ switch (this._point) {
+ case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
+ case 1: this._point = 2; // proceed
+ default: {
+ if (this._t <= 0) {
+ this._context.lineTo(this._x, y);
+ this._context.lineTo(x, y);
+ } else {
+ var x1 = this._x * (1 - this._t) + x * this._t;
+ this._context.lineTo(x1, this._y);
+ this._context.lineTo(x1, y);
+ }
+ break;
+ }
+ }
+ this._x = x, this._y = y;
+ }
+};
+
+var step = function(context) {
+ return new Step(context, 0.5);
+};
+
+function stepBefore(context) {
+ return new Step(context, 0);
+}
+
+function stepAfter(context) {
+ return new Step(context, 1);
+}
+
+var slice$5 = Array.prototype.slice;
+
+var none$1 = function(series, order) {
+ if (!((n = series.length) > 1)) return;
+ for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) {
+ s0 = s1, s1 = series[order[i]];
+ for (var j = 0; j < m; ++j) {
+ s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1];
+ }
+ }
+};
+
+var none$2 = function(series) {
+ var n = series.length, o = new Array(n);
+ while (--n >= 0) o[n] = n;
+ return o;
+};
+
+function stackValue(d, key) {
+ return d[key];
+}
+
+var stack = function() {
+ var keys = constant$10([]),
+ order = none$2,
+ offset = none$1,
+ value = stackValue;
+
+ function stack(data) {
+ var kz = keys.apply(this, arguments),
+ i,
+ m = data.length,
+ n = kz.length,
+ sz = new Array(n),
+ oz;
+
+ for (i = 0; i < n; ++i) {
+ for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) {
+ si[j] = sij = [0, +value(data[j], ki, j, data)];
+ sij.data = data[j];
+ }
+ si.key = ki;
+ }
+
+ for (i = 0, oz = order(sz); i < n; ++i) {
+ sz[oz[i]].index = i;
+ }
+
+ offset(sz, oz);
+ return sz;
+ }
+
+ stack.keys = function(_) {
+ return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : keys;
+ };
+
+ stack.value = function(_) {
+ return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value;
+ };
+
+ stack.order = function(_) {
+ return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$5.call(_)), stack) : order;
+ };
+
+ stack.offset = function(_) {
+ return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset;
+ };
+
+ return stack;
+};
+
+var expand = function(series, order) {
+ if (!((n = series.length) > 0)) return;
+ for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) {
+ for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0;
+ if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y;
+ }
+ none$1(series, order);
+};
+
+var silhouette = function(series, order) {
+ if (!((n = series.length) > 0)) return;
+ for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) {
+ for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0;
+ s0[j][1] += s0[j][0] = -y / 2;
+ }
+ none$1(series, order);
+};
+
+var wiggle = function(series, order) {
+ if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return;
+ for (var y = 0, j = 1, s0, m, n; j < m; ++j) {
+ for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) {
+ var si = series[order[i]],
+ sij0 = si[j][1] || 0,
+ sij1 = si[j - 1][1] || 0,
+ s3 = (sij0 - sij1) / 2;
+ for (var k = 0; k < i; ++k) {
+ var sk = series[order[k]],
+ skj0 = sk[j][1] || 0,
+ skj1 = sk[j - 1][1] || 0;
+ s3 += skj0 - skj1;
+ }
+ s1 += sij0, s2 += s3 * sij0;
+ }
+ s0[j - 1][1] += s0[j - 1][0] = y;
+ if (s1) y -= s2 / s1;
+ }
+ s0[j - 1][1] += s0[j - 1][0] = y;
+ none$1(series, order);
+};
+
+var ascending$2 = function(series) {
+ var sums = series.map(sum$2);
+ return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; });
+};
+
+function sum$2(series) {
+ var s = 0, i = -1, n = series.length, v;
+ while (++i < n) if (v = +series[i][1]) s += v;
+ return s;
+}
+
+var descending$2 = function(series) {
+ return ascending$2(series).reverse();
+};
+
+var insideOut = function(series) {
+ var n = series.length,
+ i,
+ j,
+ sums = series.map(sum$2),
+ order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }),
+ top = 0,
+ bottom = 0,
+ tops = [],
+ bottoms = [];
+
+ for (i = 0; i < n; ++i) {
+ j = order[i];
+ if (top < bottom) {
+ top += sums[j];
+ tops.push(j);
+ } else {
+ bottom += sums[j];
+ bottoms.push(j);
+ }
+ }
+
+ return bottoms.reverse().concat(tops);
+};
+
+var reverse = function(series) {
+ return none$2(series).reverse();
+};
+
+var constant$11 = function(x) {
+ return function() {
+ return x;
+ };
+};
+
+function x$4(d) {
+ return d[0];
+}
+
+function y$4(d) {
+ return d[1];
+}
+
+function RedBlackTree() {
+ this._ = null; // root node
+}
+
+function RedBlackNode(node) {
+ node.U = // parent node
+ node.C = // color - true for red, false for black
+ node.L = // left node
+ node.R = // right node
+ node.P = // previous node
+ node.N = null; // next node
+}
+
+RedBlackTree.prototype = {
+ constructor: RedBlackTree,
+
+ insert: function(after, node) {
+ var parent, grandpa, uncle;
+
+ if (after) {
+ node.P = after;
+ node.N = after.N;
+ if (after.N) after.N.P = node;
+ after.N = node;
+ if (after.R) {
+ after = after.R;
+ while (after.L) after = after.L;
+ after.L = node;
+ } else {
+ after.R = node;
+ }
+ parent = after;
+ } else if (this._) {
+ after = RedBlackFirst(this._);
+ node.P = null;
+ node.N = after;
+ after.P = after.L = node;
+ parent = after;
+ } else {
+ node.P = node.N = null;
+ this._ = node;
+ parent = null;
+ }
+ node.L = node.R = null;
+ node.U = parent;
+ node.C = true;
+
+ after = node;
+ while (parent && parent.C) {
+ grandpa = parent.U;
+ if (parent === grandpa.L) {
+ uncle = grandpa.R;
+ if (uncle && uncle.C) {
+ parent.C = uncle.C = false;
+ grandpa.C = true;
+ after = grandpa;
+ } else {
+ if (after === parent.R) {
+ RedBlackRotateLeft(this, parent);
+ after = parent;
+ parent = after.U;
+ }
+ parent.C = false;
+ grandpa.C = true;
+ RedBlackRotateRight(this, grandpa);
+ }
+ } else {
+ uncle = grandpa.L;
+ if (uncle && uncle.C) {
+ parent.C = uncle.C = false;
+ grandpa.C = true;
+ after = grandpa;
+ } else {
+ if (after === parent.L) {
+ RedBlackRotateRight(this, parent);
+ after = parent;
+ parent = after.U;
+ }
+ parent.C = false;
+ grandpa.C = true;
+ RedBlackRotateLeft(this, grandpa);
+ }
+ }
+ parent = after.U;
+ }
+ this._.C = false;
+ },
+
+ remove: function(node) {
+ if (node.N) node.N.P = node.P;
+ if (node.P) node.P.N = node.N;
+ node.N = node.P = null;
+
+ var parent = node.U,
+ sibling,
+ left = node.L,
+ right = node.R,
+ next,
+ red;
+
+ if (!left) next = right;
+ else if (!right) next = left;
+ else next = RedBlackFirst(right);
+
+ if (parent) {
+ if (parent.L === node) parent.L = next;
+ else parent.R = next;
+ } else {
+ this._ = next;
+ }
+
+ if (left && right) {
+ red = next.C;
+ next.C = node.C;
+ next.L = left;
+ left.U = next;
+ if (next !== right) {
+ parent = next.U;
+ next.U = node.U;
+ node = next.R;
+ parent.L = node;
+ next.R = right;
+ right.U = next;
+ } else {
+ next.U = parent;
+ parent = next;
+ node = next.R;
+ }
+ } else {
+ red = node.C;
+ node = next;
+ }
+
+ if (node) node.U = parent;
+ if (red) return;
+ if (node && node.C) { node.C = false; return; }
+
+ do {
+ if (node === this._) break;
+ if (node === parent.L) {
+ sibling = parent.R;
+ if (sibling.C) {
+ sibling.C = false;
+ parent.C = true;
+ RedBlackRotateLeft(this, parent);
+ sibling = parent.R;
+ }
+ if ((sibling.L && sibling.L.C)
+ || (sibling.R && sibling.R.C)) {
+ if (!sibling.R || !sibling.R.C) {
+ sibling.L.C = false;
+ sibling.C = true;
+ RedBlackRotateRight(this, sibling);
+ sibling = parent.R;
+ }
+ sibling.C = parent.C;
+ parent.C = sibling.R.C = false;
+ RedBlackRotateLeft(this, parent);
+ node = this._;
+ break;
+ }
+ } else {
+ sibling = parent.L;
+ if (sibling.C) {
+ sibling.C = false;
+ parent.C = true;
+ RedBlackRotateRight(this, parent);
+ sibling = parent.L;
+ }
+ if ((sibling.L && sibling.L.C)
+ || (sibling.R && sibling.R.C)) {
+ if (!sibling.L || !sibling.L.C) {
+ sibling.R.C = false;
+ sibling.C = true;
+ RedBlackRotateLeft(this, sibling);
+ sibling = parent.L;
+ }
+ sibling.C = parent.C;
+ parent.C = sibling.L.C = false;
+ RedBlackRotateRight(this, parent);
+ node = this._;
+ break;
+ }
+ }
+ sibling.C = true;
+ node = parent;
+ parent = parent.U;
+ } while (!node.C);
+
+ if (node) node.C = false;
+ }
+};
+
+function RedBlackRotateLeft(tree, node) {
+ var p = node,
+ q = node.R,
+ parent = p.U;
+
+ if (parent) {
+ if (parent.L === p) parent.L = q;
+ else parent.R = q;
+ } else {
+ tree._ = q;
+ }
+
+ q.U = parent;
+ p.U = q;
+ p.R = q.L;
+ if (p.R) p.R.U = p;
+ q.L = p;
+}
+
+function RedBlackRotateRight(tree, node) {
+ var p = node,
+ q = node.L,
+ parent = p.U;
+
+ if (parent) {
+ if (parent.L === p) parent.L = q;
+ else parent.R = q;
+ } else {
+ tree._ = q;
+ }
+
+ q.U = parent;
+ p.U = q;
+ p.L = q.R;
+ if (p.L) p.L.U = p;
+ q.R = p;
+}
+
+function RedBlackFirst(node) {
+ while (node.L) node = node.L;
+ return node;
+}
+
+function createEdge(left, right, v0, v1) {
+ var edge = [null, null],
+ index = edges.push(edge) - 1;
+ edge.left = left;
+ edge.right = right;
+ if (v0) setEdgeEnd(edge, left, right, v0);
+ if (v1) setEdgeEnd(edge, right, left, v1);
+ cells[left.index].halfedges.push(index);
+ cells[right.index].halfedges.push(index);
+ return edge;
+}
+
+function createBorderEdge(left, v0, v1) {
+ var edge = [v0, v1];
+ edge.left = left;
+ return edge;
+}
+
+function setEdgeEnd(edge, left, right, vertex) {
+ if (!edge[0] && !edge[1]) {
+ edge[0] = vertex;
+ edge.left = left;
+ edge.right = right;
+ } else if (edge.left === right) {
+ edge[1] = vertex;
+ } else {
+ edge[0] = vertex;
+ }
+}
+
+// Liang–Barsky line clipping.
+function clipEdge(edge, x0, y0, x1, y1) {
+ var a = edge[0],
+ b = edge[1],
+ ax = a[0],
+ ay = a[1],
+ bx = b[0],
+ by = b[1],
+ t0 = 0,
+ t1 = 1,
+ dx = bx - ax,
+ dy = by - ay,
+ r;
+
+ r = x0 - ax;
+ if (!dx && r > 0) return;
+ r /= dx;
+ if (dx < 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ } else if (dx > 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ }
+
+ r = x1 - ax;
+ if (!dx && r < 0) return;
+ r /= dx;
+ if (dx < 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ } else if (dx > 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ }
+
+ r = y0 - ay;
+ if (!dy && r > 0) return;
+ r /= dy;
+ if (dy < 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ } else if (dy > 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ }
+
+ r = y1 - ay;
+ if (!dy && r < 0) return;
+ r /= dy;
+ if (dy < 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ } else if (dy > 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ }
+
+ if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check?
+
+ if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy];
+ if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy];
+ return true;
+}
+
+function connectEdge(edge, x0, y0, x1, y1) {
+ var v1 = edge[1];
+ if (v1) return true;
+
+ var v0 = edge[0],
+ left = edge.left,
+ right = edge.right,
+ lx = left[0],
+ ly = left[1],
+ rx = right[0],
+ ry = right[1],
+ fx = (lx + rx) / 2,
+ fy = (ly + ry) / 2,
+ fm,
+ fb;
+
+ if (ry === ly) {
+ if (fx < x0 || fx >= x1) return;
+ if (lx > rx) {
+ if (!v0) v0 = [fx, y0];
+ else if (v0[1] >= y1) return;
+ v1 = [fx, y1];
+ } else {
+ if (!v0) v0 = [fx, y1];
+ else if (v0[1] < y0) return;
+ v1 = [fx, y0];
+ }
+ } else {
+ fm = (lx - rx) / (ry - ly);
+ fb = fy - fm * fx;
+ if (fm < -1 || fm > 1) {
+ if (lx > rx) {
+ if (!v0) v0 = [(y0 - fb) / fm, y0];
+ else if (v0[1] >= y1) return;
+ v1 = [(y1 - fb) / fm, y1];
+ } else {
+ if (!v0) v0 = [(y1 - fb) / fm, y1];
+ else if (v0[1] < y0) return;
+ v1 = [(y0 - fb) / fm, y0];
+ }
+ } else {
+ if (ly < ry) {
+ if (!v0) v0 = [x0, fm * x0 + fb];
+ else if (v0[0] >= x1) return;
+ v1 = [x1, fm * x1 + fb];
+ } else {
+ if (!v0) v0 = [x1, fm * x1 + fb];
+ else if (v0[0] < x0) return;
+ v1 = [x0, fm * x0 + fb];
+ }
+ }
+ }
+
+ edge[0] = v0;
+ edge[1] = v1;
+ return true;
+}
+
+function clipEdges(x0, y0, x1, y1) {
+ var i = edges.length,
+ edge;
+
+ while (i--) {
+ if (!connectEdge(edge = edges[i], x0, y0, x1, y1)
+ || !clipEdge(edge, x0, y0, x1, y1)
+ || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4
+ || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) {
+ delete edges[i];
+ }
+ }
+}
+
+function createCell(site) {
+ return cells[site.index] = {
+ site: site,
+ halfedges: []
+ };
+}
+
+function cellHalfedgeAngle(cell, edge) {
+ var site = cell.site,
+ va = edge.left,
+ vb = edge.right;
+ if (site === vb) vb = va, va = site;
+ if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]);
+ if (site === va) va = edge[1], vb = edge[0];
+ else va = edge[0], vb = edge[1];
+ return Math.atan2(va[0] - vb[0], vb[1] - va[1]);
+}
+
+function cellHalfedgeStart(cell, edge) {
+ return edge[+(edge.left !== cell.site)];
+}
+
+function cellHalfedgeEnd(cell, edge) {
+ return edge[+(edge.left === cell.site)];
+}
+
+function sortCellHalfedges() {
+ for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) {
+ if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) {
+ var index = new Array(m),
+ array = new Array(m);
+ for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]);
+ index.sort(function(i, j) { return array[j] - array[i]; });
+ for (j = 0; j < m; ++j) array[j] = halfedges[index[j]];
+ for (j = 0; j < m; ++j) halfedges[j] = array[j];
+ }
+ }
+}
+
+function clipCells(x0, y0, x1, y1) {
+ var nCells = cells.length,
+ iCell,
+ cell,
+ site,
+ iHalfedge,
+ halfedges,
+ nHalfedges,
+ start,
+ startX,
+ startY,
+ end,
+ endX,
+ endY,
+ cover = true;
+
+ for (iCell = 0; iCell < nCells; ++iCell) {
+ if (cell = cells[iCell]) {
+ site = cell.site;
+ halfedges = cell.halfedges;
+ iHalfedge = halfedges.length;
+
+ // Remove any dangling clipped edges.
+ while (iHalfedge--) {
+ if (!edges[halfedges[iHalfedge]]) {
+ halfedges.splice(iHalfedge, 1);
+ }
+ }
+
+ // Insert any border edges as necessary.
+ iHalfedge = 0, nHalfedges = halfedges.length;
+ while (iHalfedge < nHalfedges) {
+ end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1];
+ start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1];
+ if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) {
+ halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end,
+ Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1]
+ : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1]
+ : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0]
+ : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0]
+ : null)) - 1);
+ ++nHalfedges;
+ }
+ }
+
+ if (nHalfedges) cover = false;
+ }
+ }
+
+ // If there weren’t any edges, have the closest site cover the extent.
+ // It doesn’t matter which corner of the extent we measure!
+ if (cover) {
+ var dx, dy, d2, dc = Infinity;
+
+ for (iCell = 0, cover = null; iCell < nCells; ++iCell) {
+ if (cell = cells[iCell]) {
+ site = cell.site;
+ dx = site[0] - x0;
+ dy = site[1] - y0;
+ d2 = dx * dx + dy * dy;
+ if (d2 < dc) dc = d2, cover = cell;
+ }
+ }
+
+ if (cover) {
+ var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0];
+ cover.halfedges.push(
+ edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1,
+ edges.push(createBorderEdge(site, v01, v11)) - 1,
+ edges.push(createBorderEdge(site, v11, v10)) - 1,
+ edges.push(createBorderEdge(site, v10, v00)) - 1
+ );
+ }
+ }
+
+ // Lastly delete any cells with no edges; these were entirely clipped.
+ for (iCell = 0; iCell < nCells; ++iCell) {
+ if (cell = cells[iCell]) {
+ if (!cell.halfedges.length) {
+ delete cells[iCell];
+ }
+ }
+ }
+}
+
+var circlePool = [];
+
+var firstCircle;
+
+function Circle() {
+ RedBlackNode(this);
+ this.x =
+ this.y =
+ this.arc =
+ this.site =
+ this.cy = null;
+}
+
+function attachCircle(arc) {
+ var lArc = arc.P,
+ rArc = arc.N;
+
+ if (!lArc || !rArc) return;
+
+ var lSite = lArc.site,
+ cSite = arc.site,
+ rSite = rArc.site;
+
+ if (lSite === rSite) return;
+
+ var bx = cSite[0],
+ by = cSite[1],
+ ax = lSite[0] - bx,
+ ay = lSite[1] - by,
+ cx = rSite[0] - bx,
+ cy = rSite[1] - by;
+
+ var d = 2 * (ax * cy - ay * cx);
+ if (d >= -epsilon2$2) return;
+
+ var ha = ax * ax + ay * ay,
+ hc = cx * cx + cy * cy,
+ x = (cy * ha - ay * hc) / d,
+ y = (ax * hc - cx * ha) / d;
+
+ var circle = circlePool.pop() || new Circle;
+ circle.arc = arc;
+ circle.site = cSite;
+ circle.x = x + bx;
+ circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom
+
+ arc.circle = circle;
+
+ var before = null,
+ node = circles._;
+
+ while (node) {
+ if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) {
+ if (node.L) node = node.L;
+ else { before = node.P; break; }
+ } else {
+ if (node.R) node = node.R;
+ else { before = node; break; }
+ }
+ }
+
+ circles.insert(before, circle);
+ if (!before) firstCircle = circle;
+}
+
+function detachCircle(arc) {
+ var circle = arc.circle;
+ if (circle) {
+ if (!circle.P) firstCircle = circle.N;
+ circles.remove(circle);
+ circlePool.push(circle);
+ RedBlackNode(circle);
+ arc.circle = null;
+ }
+}
+
+var beachPool = [];
+
+function Beach() {
+ RedBlackNode(this);
+ this.edge =
+ this.site =
+ this.circle = null;
+}
+
+function createBeach(site) {
+ var beach = beachPool.pop() || new Beach;
+ beach.site = site;
+ return beach;
+}
+
+function detachBeach(beach) {
+ detachCircle(beach);
+ beaches.remove(beach);
+ beachPool.push(beach);
+ RedBlackNode(beach);
+}
+
+function removeBeach(beach) {
+ var circle = beach.circle,
+ x = circle.x,
+ y = circle.cy,
+ vertex = [x, y],
+ previous = beach.P,
+ next = beach.N,
+ disappearing = [beach];
+
+ detachBeach(beach);
+
+ var lArc = previous;
+ while (lArc.circle
+ && Math.abs(x - lArc.circle.x) < epsilon$4
+ && Math.abs(y - lArc.circle.cy) < epsilon$4) {
+ previous = lArc.P;
+ disappearing.unshift(lArc);
+ detachBeach(lArc);
+ lArc = previous;
+ }
+
+ disappearing.unshift(lArc);
+ detachCircle(lArc);
+
+ var rArc = next;
+ while (rArc.circle
+ && Math.abs(x - rArc.circle.x) < epsilon$4
+ && Math.abs(y - rArc.circle.cy) < epsilon$4) {
+ next = rArc.N;
+ disappearing.push(rArc);
+ detachBeach(rArc);
+ rArc = next;
+ }
+
+ disappearing.push(rArc);
+ detachCircle(rArc);
+
+ var nArcs = disappearing.length,
+ iArc;
+ for (iArc = 1; iArc < nArcs; ++iArc) {
+ rArc = disappearing[iArc];
+ lArc = disappearing[iArc - 1];
+ setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
+ }
+
+ lArc = disappearing[0];
+ rArc = disappearing[nArcs - 1];
+ rArc.edge = createEdge(lArc.site, rArc.site, null, vertex);
+
+ attachCircle(lArc);
+ attachCircle(rArc);
+}
+
+function addBeach(site) {
+ var x = site[0],
+ directrix = site[1],
+ lArc,
+ rArc,
+ dxl,
+ dxr,
+ node = beaches._;
+
+ while (node) {
+ dxl = leftBreakPoint(node, directrix) - x;
+ if (dxl > epsilon$4) node = node.L; else {
+ dxr = x - rightBreakPoint(node, directrix);
+ if (dxr > epsilon$4) {
+ if (!node.R) {
+ lArc = node;
+ break;
+ }
+ node = node.R;
+ } else {
+ if (dxl > -epsilon$4) {
+ lArc = node.P;
+ rArc = node;
+ } else if (dxr > -epsilon$4) {
+ lArc = node;
+ rArc = node.N;
+ } else {
+ lArc = rArc = node;
+ }
+ break;
+ }
+ }
+ }
+
+ createCell(site);
+ var newArc = createBeach(site);
+ beaches.insert(lArc, newArc);
+
+ if (!lArc && !rArc) return;
+
+ if (lArc === rArc) {
+ detachCircle(lArc);
+ rArc = createBeach(lArc.site);
+ beaches.insert(newArc, rArc);
+ newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site);
+ attachCircle(lArc);
+ attachCircle(rArc);
+ return;
+ }
+
+ if (!rArc) { // && lArc
+ newArc.edge = createEdge(lArc.site, newArc.site);
+ return;
+ }
+
+ // else lArc !== rArc
+ detachCircle(lArc);
+ detachCircle(rArc);
+
+ var lSite = lArc.site,
+ ax = lSite[0],
+ ay = lSite[1],
+ bx = site[0] - ax,
+ by = site[1] - ay,
+ rSite = rArc.site,
+ cx = rSite[0] - ax,
+ cy = rSite[1] - ay,
+ d = 2 * (bx * cy - by * cx),
+ hb = bx * bx + by * by,
+ hc = cx * cx + cy * cy,
+ vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay];
+
+ setEdgeEnd(rArc.edge, lSite, rSite, vertex);
+ newArc.edge = createEdge(lSite, site, null, vertex);
+ rArc.edge = createEdge(site, rSite, null, vertex);
+ attachCircle(lArc);
+ attachCircle(rArc);
+}
+
+function leftBreakPoint(arc, directrix) {
+ var site = arc.site,
+ rfocx = site[0],
+ rfocy = site[1],
+ pby2 = rfocy - directrix;
+
+ if (!pby2) return rfocx;
+
+ var lArc = arc.P;
+ if (!lArc) return -Infinity;
+
+ site = lArc.site;
+ var lfocx = site[0],
+ lfocy = site[1],
+ plby2 = lfocy - directrix;
+
+ if (!plby2) return lfocx;
+
+ var hl = lfocx - rfocx,
+ aby2 = 1 / pby2 - 1 / plby2,
+ b = hl / plby2;
+
+ if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
+
+ return (rfocx + lfocx) / 2;
+}
+
+function rightBreakPoint(arc, directrix) {
+ var rArc = arc.N;
+ if (rArc) return leftBreakPoint(rArc, directrix);
+ var site = arc.site;
+ return site[1] === directrix ? site[0] : Infinity;
+}
+
+var epsilon$4 = 1e-6;
+var epsilon2$2 = 1e-12;
+var beaches;
+var cells;
+var circles;
+var edges;
+
+function triangleArea(a, b, c) {
+ return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]);
+}
+
+function lexicographic(a, b) {
+ return b[1] - a[1]
+ || b[0] - a[0];
+}
+
+function Diagram(sites, extent) {
+ var site = sites.sort(lexicographic).pop(),
+ x,
+ y,
+ circle;
+
+ edges = [];
+ cells = new Array(sites.length);
+ beaches = new RedBlackTree;
+ circles = new RedBlackTree;
+
+ while (true) {
+ circle = firstCircle;
+ if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) {
+ if (site[0] !== x || site[1] !== y) {
+ addBeach(site);
+ x = site[0], y = site[1];
+ }
+ site = sites.pop();
+ } else if (circle) {
+ removeBeach(circle.arc);
+ } else {
+ break;
+ }
+ }
+
+ sortCellHalfedges();
+
+ if (extent) {
+ var x0 = +extent[0][0],
+ y0 = +extent[0][1],
+ x1 = +extent[1][0],
+ y1 = +extent[1][1];
+ clipEdges(x0, y0, x1, y1);
+ clipCells(x0, y0, x1, y1);
+ }
+
+ this.edges = edges;
+ this.cells = cells;
+
+ beaches =
+ circles =
+ edges =
+ cells = null;
+}
+
+Diagram.prototype = {
+ constructor: Diagram,
+
+ polygons: function() {
+ var edges = this.edges;
+
+ return this.cells.map(function(cell) {
+ var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); });
+ polygon.data = cell.site.data;
+ return polygon;
+ });
+ },
+
+ triangles: function() {
+ var triangles = [],
+ edges = this.edges;
+
+ this.cells.forEach(function(cell, i) {
+ if (!(m = (halfedges = cell.halfedges).length)) return;
+ var site = cell.site,
+ halfedges,
+ j = -1,
+ m,
+ s0,
+ e1 = edges[halfedges[m - 1]],
+ s1 = e1.left === site ? e1.right : e1.left;
+
+ while (++j < m) {
+ s0 = s1;
+ e1 = edges[halfedges[j]];
+ s1 = e1.left === site ? e1.right : e1.left;
+ if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) {
+ triangles.push([site.data, s0.data, s1.data]);
+ }
+ }
+ });
+
+ return triangles;
+ },
+
+ links: function() {
+ return this.edges.filter(function(edge) {
+ return edge.right;
+ }).map(function(edge) {
+ return {
+ source: edge.left.data,
+ target: edge.right.data
+ };
+ });
+ },
+
+ find: function(x, y, radius) {
+ var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell;
+
+ // Use the previously-found cell, or start with an arbitrary one.
+ while (!(cell = that.cells[i1])) if (++i1 >= n) return null;
+ var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy;
+
+ // Traverse the half-edges to find a closer cell, if any.
+ do {
+ cell = that.cells[i0 = i1], i1 = null;
+ cell.halfedges.forEach(function(e) {
+ var edge = that.edges[e], v = edge.left;
+ if ((v === cell.site || !v) && !(v = edge.right)) return;
+ var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy;
+ if (v2 < d2) d2 = v2, i1 = v.index;
+ });
+ } while (i1 !== null);
+
+ that._found = i0;
+
+ return radius == null || d2 <= radius * radius ? cell.site : null;
+ }
+};
+
+var voronoi = function() {
+ var x$$1 = x$4,
+ y$$1 = y$4,
+ extent = null;
+
+ function voronoi(data) {
+ return new Diagram(data.map(function(d, i) {
+ var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4];
+ s.index = i;
+ s.data = d;
+ return s;
+ }), extent);
+ }
+
+ voronoi.polygons = function(data) {
+ return voronoi(data).polygons();
+ };
+
+ voronoi.links = function(data) {
+ return voronoi(data).links();
+ };
+
+ voronoi.triangles = function(data) {
+ return voronoi(data).triangles();
+ };
+
+ voronoi.x = function(_) {
+ return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1;
+ };
+
+ voronoi.y = function(_) {
+ return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1;
+ };
+
+ voronoi.extent = function(_) {
+ return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]];
+ };
+
+ voronoi.size = function(_) {
+ return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]];
+ };
+
+ return voronoi;
+};
+
+var constant$12 = function(x) {
+ return function() {
+ return x;
+ };
+};
+
+function ZoomEvent(target, type, transform) {
+ this.target = target;
+ this.type = type;
+ this.transform = transform;
+}
+
+function Transform(k, x, y) {
+ this.k = k;
+ this.x = x;
+ this.y = y;
+}
+
+Transform.prototype = {
+ constructor: Transform,
+ scale: function(k) {
+ return k === 1 ? this : new Transform(this.k * k, this.x, this.y);
+ },
+ translate: function(x, y) {
+ return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y);
+ },
+ apply: function(point) {
+ return [point[0] * this.k + this.x, point[1] * this.k + this.y];
+ },
+ applyX: function(x) {
+ return x * this.k + this.x;
+ },
+ applyY: function(y) {
+ return y * this.k + this.y;
+ },
+ invert: function(location) {
+ return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k];
+ },
+ invertX: function(x) {
+ return (x - this.x) / this.k;
+ },
+ invertY: function(y) {
+ return (y - this.y) / this.k;
+ },
+ rescaleX: function(x) {
+ return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x));
+ },
+ rescaleY: function(y) {
+ return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y));
+ },
+ toString: function() {
+ return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")";
+ }
+};
+
+var identity$8 = new Transform(1, 0, 0);
+
+transform$1.prototype = Transform.prototype;
+
+function transform$1(node) {
+ return node.__zoom || identity$8;
+}
+
+function nopropagation$2() {
+ exports.event.stopImmediatePropagation();
+}
+
+var noevent$2 = function() {
+ exports.event.preventDefault();
+ exports.event.stopImmediatePropagation();
+};
+
+// Ignore right-click, since that should open the context menu.
+function defaultFilter$2() {
+ return !exports.event.button;
+}
+
+function defaultExtent$1() {
+ var e = this, w, h;
+ if (e instanceof SVGElement) {
+ e = e.ownerSVGElement || e;
+ w = e.width.baseVal.value;
+ h = e.height.baseVal.value;
+ } else {
+ w = e.clientWidth;
+ h = e.clientHeight;
+ }
+ return [[0, 0], [w, h]];
+}
+
+function defaultTransform() {
+ return this.__zoom || identity$8;
+}
+
+var zoom = function() {
+ var filter = defaultFilter$2,
+ extent = defaultExtent$1,
+ k0 = 0,
+ k1 = Infinity,
+ x0 = -k1,
+ x1 = k1,
+ y0 = x0,
+ y1 = x1,
+ duration = 250,
+ interpolate$$1 = interpolateZoom,
+ gestures = [],
+ listeners = dispatch("start", "zoom", "end"),
+ touchstarting,
+ touchending,
+ touchDelay = 500,
+ wheelDelay = 150;
+
+ function zoom(selection$$1) {
+ selection$$1
+ .on("wheel.zoom", wheeled)
+ .on("mousedown.zoom", mousedowned)
+ .on("dblclick.zoom", dblclicked)
+ .on("touchstart.zoom", touchstarted)
+ .on("touchmove.zoom", touchmoved)
+ .on("touchend.zoom touchcancel.zoom", touchended)
+ .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
+ .property("__zoom", defaultTransform);
+ }
+
+ zoom.transform = function(collection, transform) {
+ var selection$$1 = collection.selection ? collection.selection() : collection;
+ selection$$1.property("__zoom", defaultTransform);
+ if (collection !== selection$$1) {
+ schedule(collection, transform);
+ } else {
+ selection$$1.interrupt().each(function() {
+ gesture(this, arguments)
+ .start()
+ .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform)
+ .end();
+ });
+ }
+ };
+
+ zoom.scaleBy = function(selection$$1, k) {
+ zoom.scaleTo(selection$$1, function() {
+ var k0 = this.__zoom.k,
+ k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+ return k0 * k1;
+ });
+ };
+
+ zoom.scaleTo = function(selection$$1, k) {
+ zoom.transform(selection$$1, function() {
+ var e = extent.apply(this, arguments),
+ t0 = this.__zoom,
+ p0 = centroid(e),
+ p1 = t0.invert(p0),
+ k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+ return constrain(translate(scale(t0, k1), p0, p1), e);
+ });
+ };
+
+ zoom.translateBy = function(selection$$1, x, y) {
+ zoom.transform(selection$$1, function() {
+ return constrain(this.__zoom.translate(
+ typeof x === "function" ? x.apply(this, arguments) : x,
+ typeof y === "function" ? y.apply(this, arguments) : y
+ ), extent.apply(this, arguments));
+ });
+ };
+
+ function scale(transform, k) {
+ k = Math.max(k0, Math.min(k1, k));
+ return k === transform.k ? transform : new Transform(k, transform.x, transform.y);
+ }
+
+ function translate(transform, p0, p1) {
+ var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;
+ return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);
+ }
+
+ function constrain(transform, extent) {
+ var dx0 = transform.invertX(extent[0][0]) - x0,
+ dx1 = transform.invertX(extent[1][0]) - x1,
+ dy0 = transform.invertY(extent[0][1]) - y0,
+ dy1 = transform.invertY(extent[1][1]) - y1;
+ return transform.translate(
+ dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),
+ dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)
+ );
+ }
+
+ function centroid(extent) {
+ return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];
+ }
+
+ function schedule(transition$$1, transform, center) {
+ transition$$1
+ .on("start.zoom", function() { gesture(this, arguments).start(); })
+ .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); })
+ .tween("zoom", function() {
+ var that = this,
+ args = arguments,
+ g = gesture(that, args),
+ e = extent.apply(that, args),
+ p = center || centroid(e),
+ w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]),
+ a = that.__zoom,
+ b = typeof transform === "function" ? transform.apply(that, args) : transform,
+ i = interpolate$$1(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
+ return function(t) {
+ if (t === 1) t = b; // Avoid rounding error on end.
+ else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); }
+ g.zoom(null, t);
+ };
+ });
+ }
+
+ function gesture(that, args) {
+ for (var i = 0, n = gestures.length, g; i < n; ++i) {
+ if ((g = gestures[i]).that === that) {
+ return g;
+ }
+ }
+ return new Gesture(that, args);
+ }
+
+ function Gesture(that, args) {
+ this.that = that;
+ this.args = args;
+ this.index = -1;
+ this.active = 0;
+ this.extent = extent.apply(that, args);
+ }
+
+ Gesture.prototype = {
+ start: function() {
+ if (++this.active === 1) {
+ this.index = gestures.push(this) - 1;
+ this.emit("start");
+ }
+ return this;
+ },
+ zoom: function(key, transform) {
+ if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]);
+ if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]);
+ if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]);
+ this.that.__zoom = transform;
+ this.emit("zoom");
+ return this;
+ },
+ end: function() {
+ if (--this.active === 0) {
+ gestures.splice(this.index, 1);
+ this.index = -1;
+ this.emit("end");
+ }
+ return this;
+ },
+ emit: function(type) {
+ customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]);
+ }
+ };
+
+ function wheeled() {
+ if (!filter.apply(this, arguments)) return;
+ var g = gesture(this, arguments),
+ t = this.__zoom,
+ k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))),
+ p = mouse(this);
+
+ // If the mouse is in the same location as before, reuse it.
+ // If there were recent wheel events, reset the wheel idle timeout.
+ if (g.wheel) {
+ if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
+ g.mouse[1] = t.invert(g.mouse[0] = p);
+ }
+ clearTimeout(g.wheel);
+ }
+
+ // If this wheel event won’t trigger a transform change, ignore it.
+ else if (t.k === k) return;
+
+ // Otherwise, capture the mouse point and location at the start.
+ else {
+ g.mouse = [p, t.invert(p)];
+ interrupt(this);
+ g.start();
+ }
+
+ noevent$2();
+ g.wheel = setTimeout(wheelidled, wheelDelay);
+ g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent));
+
+ function wheelidled() {
+ g.wheel = null;
+ g.end();
+ }
+ }
+
+ function mousedowned() {
+ if (touchending || !filter.apply(this, arguments)) return;
+ var g = gesture(this, arguments),
+ v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true),
+ p = mouse(this);
+
+ dragDisable(exports.event.view);
+ nopropagation$2();
+ g.mouse = [p, this.__zoom.invert(p)];
+ interrupt(this);
+ g.start();
+
+ function mousemoved() {
+ noevent$2();
+ g.moved = true;
+ g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent));
+ }
+
+ function mouseupped() {
+ v.on("mousemove.zoom mouseup.zoom", null);
+ yesdrag(exports.event.view, g.moved);
+ noevent$2();
+ g.end();
+ }
+ }
+
+ function dblclicked() {
+ if (!filter.apply(this, arguments)) return;
+ var t0 = this.__zoom,
+ p0 = mouse(this),
+ p1 = t0.invert(p0),
+ k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2),
+ t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments));
+
+ noevent$2();
+ if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0);
+ else select(this).call(zoom.transform, t1);
+ }
+
+ function touchstarted() {
+ if (!filter.apply(this, arguments)) return;
+ var g = gesture(this, arguments),
+ touches$$1 = exports.event.changedTouches,
+ started,
+ n = touches$$1.length, i, t, p;
+
+ nopropagation$2();
+ for (i = 0; i < n; ++i) {
+ t = touches$$1[i], p = touch(this, touches$$1, t.identifier);
+ p = [p, this.__zoom.invert(p), t.identifier];
+ if (!g.touch0) g.touch0 = p, started = true;
+ else if (!g.touch1) g.touch1 = p;
+ }
+
+ // If this is a dbltap, reroute to the (optional) dblclick.zoom handler.
+ if (touchstarting) {
+ touchstarting = clearTimeout(touchstarting);
+ if (!g.touch1) {
+ g.end();
+ p = select(this).on("dblclick.zoom");
+ if (p) p.apply(this, arguments);
+ return;
+ }
+ }
+
+ if (started) {
+ touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay);
+ interrupt(this);
+ g.start();
+ }
+ }
+
+ function touchmoved() {
+ var g = gesture(this, arguments),
+ touches$$1 = exports.event.changedTouches,
+ n = touches$$1.length, i, t, p, l;
+
+ noevent$2();
+ if (touchstarting) touchstarting = clearTimeout(touchstarting);
+ for (i = 0; i < n; ++i) {
+ t = touches$$1[i], p = touch(this, touches$$1, t.identifier);
+ if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p;
+ else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p;
+ }
+ t = g.that.__zoom;
+ if (g.touch1) {
+ var p0 = g.touch0[0], l0 = g.touch0[1],
+ p1 = g.touch1[0], l1 = g.touch1[1],
+ dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp,
+ dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
+ t = scale(t, Math.sqrt(dp / dl));
+ p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
+ l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
+ }
+ else if (g.touch0) p = g.touch0[0], l = g.touch0[1];
+ else return;
+ g.zoom("touch", constrain(translate(t, p, l), g.extent));
+ }
+
+ function touchended() {
+ var g = gesture(this, arguments),
+ touches$$1 = exports.event.changedTouches,
+ n = touches$$1.length, i, t;
+
+ nopropagation$2();
+ if (touchending) clearTimeout(touchending);
+ touchending = setTimeout(function() { touchending = null; }, touchDelay);
+ for (i = 0; i < n; ++i) {
+ t = touches$$1[i];
+ if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0;
+ else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1;
+ }
+ if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1;
+ if (!g.touch0) g.end();
+ }
+
+ zoom.filter = function(_) {
+ return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter;
+ };
+
+ zoom.extent = function(_) {
+ return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
+ };
+
+ zoom.scaleExtent = function(_) {
+ return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1];
+ };
+
+ zoom.translateExtent = function(_) {
+ return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]];
+ };
+
+ zoom.duration = function(_) {
+ return arguments.length ? (duration = +_, zoom) : duration;
+ };
+
+ zoom.interpolate = function(_) {
+ return arguments.length ? (interpolate$$1 = _, zoom) : interpolate$$1;
+ };
+
+ zoom.on = function() {
+ var value = listeners.on.apply(listeners, arguments);
+ return value === listeners ? zoom : value;
+ };
+
+ return zoom;
+};
+
exports.version = version;
exports.bisect = bisectRight;
exports.bisectRight = bisectRight;
exports.bisectLeft = bisectLeft;
exports.ascending = ascending;
exports.bisector = bisector;
+exports.cross = cross;
exports.descending = descending;
exports.deviation = deviation;
exports.extent = extent;
exports.histogram = histogram;
exports.thresholdFreedmanDiaconis = freedmanDiaconis;
@@ -16019,32 +16192,55 @@
exports.merge = merge;
exports.min = min;
exports.pairs = pairs;
exports.permute = permute;
exports.quantile = threshold;
-exports.range = range;
+exports.range = sequence;
exports.scan = scan;
exports.shuffle = shuffle;
exports.sum = sum;
exports.ticks = ticks;
exports.tickStep = tickStep;
exports.transpose = transpose;
exports.variance = variance;
exports.zip = zip;
-exports.entries = entries;
+exports.axisTop = axisTop;
+exports.axisRight = axisRight;
+exports.axisBottom = axisBottom;
+exports.axisLeft = axisLeft;
+exports.brush = brush;
+exports.brushX = brushX;
+exports.brushY = brushY;
+exports.brushSelection = brushSelection;
+exports.chord = chord;
+exports.ribbon = ribbon;
+exports.nest = nest;
+exports.set = set$2;
+exports.map = map$1;
exports.keys = keys;
exports.values = values;
-exports.map = map$1;
-exports.set = set;
-exports.nest = nest;
-exports.randomUniform = uniform;
-exports.randomNormal = normal;
-exports.randomLogNormal = logNormal;
-exports.randomBates = bates;
-exports.randomIrwinHall = irwinHall;
-exports.randomExponential = exponential;
-exports.easeLinear = linear;
+exports.entries = entries;
+exports.color = color;
+exports.rgb = rgb;
+exports.hsl = hsl;
+exports.lab = lab;
+exports.hcl = hcl;
+exports.cubehelix = cubehelix;
+exports.dispatch = dispatch;
+exports.drag = drag;
+exports.dragDisable = dragDisable;
+exports.dragEnable = yesdrag;
+exports.dsvFormat = dsv;
+exports.csvParse = csvParse;
+exports.csvParseRows = csvParseRows;
+exports.csvFormat = csvFormat;
+exports.csvFormatRows = csvFormatRows;
+exports.tsvParse = tsvParse;
+exports.tsvParseRows = tsvParseRows;
+exports.tsvFormat = tsvFormat;
+exports.tsvFormatRows = tsvFormatRows;
+exports.easeLinear = linear$1;
exports.easeQuad = quadInOut;
exports.easeQuadIn = quadIn;
exports.easeQuadOut = quadOut;
exports.easeQuadInOut = quadInOut;
exports.easeCubic = cubicInOut;
@@ -16077,36 +16273,184 @@
exports.easeBackInOut = backInOut;
exports.easeElastic = elasticOut;
exports.easeElasticIn = elasticIn;
exports.easeElasticOut = elasticOut;
exports.easeElasticInOut = elasticInOut;
-exports.polygonArea = area;
-exports.polygonCentroid = centroid;
-exports.polygonHull = hull;
-exports.polygonContains = contains;
-exports.polygonLength = length$1;
+exports.forceCenter = center$1;
+exports.forceCollide = collide;
+exports.forceLink = link;
+exports.forceManyBody = manyBody;
+exports.forceSimulation = simulation;
+exports.forceX = x$2;
+exports.forceY = y$2;
+exports.formatDefaultLocale = defaultLocale;
+exports.formatLocale = formatLocale;
+exports.formatSpecifier = formatSpecifier;
+exports.precisionFixed = precisionFixed;
+exports.precisionPrefix = precisionPrefix;
+exports.precisionRound = precisionRound;
+exports.geoArea = area;
+exports.geoBounds = bounds;
+exports.geoCentroid = centroid;
+exports.geoCircle = circle;
+exports.geoClipExtent = extent$1;
+exports.geoContains = contains;
+exports.geoDistance = distance;
+exports.geoGraticule = graticule;
+exports.geoGraticule10 = graticule10;
+exports.geoInterpolate = interpolate$1;
+exports.geoLength = length$1;
+exports.geoPath = index$1;
+exports.geoAlbers = albers;
+exports.geoAlbersUsa = albersUsa;
+exports.geoAzimuthalEqualArea = azimuthalEqualArea;
+exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw;
+exports.geoAzimuthalEquidistant = azimuthalEquidistant;
+exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw;
+exports.geoConicConformal = conicConformal;
+exports.geoConicConformalRaw = conicConformalRaw;
+exports.geoConicEqualArea = conicEqualArea;
+exports.geoConicEqualAreaRaw = conicEqualAreaRaw;
+exports.geoConicEquidistant = conicEquidistant;
+exports.geoConicEquidistantRaw = conicEquidistantRaw;
+exports.geoEquirectangular = equirectangular;
+exports.geoEquirectangularRaw = equirectangularRaw;
+exports.geoGnomonic = gnomonic;
+exports.geoGnomonicRaw = gnomonicRaw;
+exports.geoIdentity = identity$5;
+exports.geoProjection = projection;
+exports.geoProjectionMutator = projectionMutator;
+exports.geoMercator = mercator;
+exports.geoMercatorRaw = mercatorRaw;
+exports.geoOrthographic = orthographic;
+exports.geoOrthographicRaw = orthographicRaw;
+exports.geoStereographic = stereographic;
+exports.geoStereographicRaw = stereographicRaw;
+exports.geoTransverseMercator = transverseMercator;
+exports.geoTransverseMercatorRaw = transverseMercatorRaw;
+exports.geoRotation = rotation;
+exports.geoStream = geoStream;
+exports.geoTransform = transform;
+exports.cluster = cluster;
+exports.hierarchy = hierarchy;
+exports.pack = index$2;
+exports.packSiblings = siblings;
+exports.packEnclose = enclose;
+exports.partition = partition;
+exports.stratify = stratify;
+exports.tree = tree;
+exports.treemap = index$3;
+exports.treemapBinary = binary;
+exports.treemapDice = treemapDice;
+exports.treemapSlice = treemapSlice;
+exports.treemapSliceDice = sliceDice;
+exports.treemapSquarify = squarify;
+exports.treemapResquarify = resquarify;
+exports.interpolate = interpolateValue;
+exports.interpolateArray = array$1;
+exports.interpolateBasis = basis$1;
+exports.interpolateBasisClosed = basisClosed;
+exports.interpolateDate = date;
+exports.interpolateNumber = reinterpolate;
+exports.interpolateObject = object;
+exports.interpolateRound = interpolateRound;
+exports.interpolateString = interpolateString;
+exports.interpolateTransformCss = interpolateTransformCss;
+exports.interpolateTransformSvg = interpolateTransformSvg;
+exports.interpolateZoom = interpolateZoom;
+exports.interpolateRgb = interpolateRgb;
+exports.interpolateRgbBasis = rgbBasis;
+exports.interpolateRgbBasisClosed = rgbBasisClosed;
+exports.interpolateHsl = hsl$2;
+exports.interpolateHslLong = hslLong;
+exports.interpolateLab = lab$1;
+exports.interpolateHcl = hcl$2;
+exports.interpolateHclLong = hclLong;
+exports.interpolateCubehelix = cubehelix$2;
+exports.interpolateCubehelixLong = cubehelixLong;
+exports.quantize = quantize;
exports.path = path;
+exports.polygonArea = area$1;
+exports.polygonCentroid = centroid$1;
+exports.polygonHull = hull;
+exports.polygonContains = contains$1;
+exports.polygonLength = length$2;
exports.quadtree = quadtree;
exports.queue = queue;
+exports.randomUniform = uniform;
+exports.randomNormal = normal;
+exports.randomLogNormal = logNormal;
+exports.randomBates = bates;
+exports.randomIrwinHall = irwinHall;
+exports.randomExponential = exponential$1;
+exports.request = request;
+exports.html = html;
+exports.json = json;
+exports.text = text;
+exports.xml = xml;
+exports.csv = csv$1;
+exports.tsv = tsv$1;
+exports.scaleBand = band;
+exports.scalePoint = point$1;
+exports.scaleIdentity = identity$6;
+exports.scaleLinear = linear$2;
+exports.scaleLog = log$1;
+exports.scaleOrdinal = ordinal;
+exports.scaleImplicit = implicit;
+exports.scalePow = pow$1;
+exports.scaleSqrt = sqrt$1;
+exports.scaleQuantile = quantile$$1;
+exports.scaleQuantize = quantize$1;
+exports.scaleThreshold = threshold$1;
+exports.scaleTime = time;
+exports.scaleUtc = utcTime;
+exports.schemeCategory10 = category10;
+exports.schemeCategory20b = category20b;
+exports.schemeCategory20c = category20c;
+exports.schemeCategory20 = category20;
+exports.interpolateCubehelixDefault = cubehelix$3;
+exports.interpolateRainbow = rainbow$1;
+exports.interpolateWarm = warm;
+exports.interpolateCool = cool;
+exports.interpolateViridis = viridis;
+exports.interpolateMagma = magma;
+exports.interpolateInferno = inferno;
+exports.interpolatePlasma = plasma;
+exports.scaleSequential = sequential;
+exports.creator = creator;
+exports.local = local$1;
+exports.matcher = matcher$1;
+exports.mouse = mouse;
+exports.namespace = namespace;
+exports.namespaces = namespaces;
+exports.select = select;
+exports.selectAll = selectAll;
+exports.selection = selection;
+exports.selector = selector;
+exports.selectorAll = selectorAll;
+exports.touch = touch;
+exports.touches = touches;
+exports.window = window;
+exports.customEvent = customEvent;
exports.arc = arc;
-exports.area = area$1;
+exports.area = area$2;
exports.line = line;
exports.pie = pie;
exports.radialArea = radialArea;
exports.radialLine = radialLine$1;
exports.symbol = symbol;
exports.symbols = symbols;
-exports.symbolCircle = circle;
-exports.symbolCross = cross$1;
+exports.symbolCircle = circle$2;
+exports.symbolCross = cross$2;
exports.symbolDiamond = diamond;
exports.symbolSquare = square;
exports.symbolStar = star;
exports.symbolTriangle = triangle;
exports.symbolWye = wye;
-exports.curveBasisClosed = basisClosed;
+exports.curveBasisClosed = basisClosed$1;
exports.curveBasisOpen = basisOpen;
-exports.curveBasis = basis;
+exports.curveBasis = basis$2;
exports.curveBundle = bundle;
exports.curveCardinalClosed = cardinalClosed;
exports.curveCardinalOpen = cardinalOpen;
exports.curveCardinal = cardinal;
exports.curveCatmullRomClosed = catmullRomClosed;
@@ -16120,74 +16464,27 @@
exports.curveStep = step;
exports.curveStepAfter = stepAfter;
exports.curveStepBefore = stepBefore;
exports.stack = stack;
exports.stackOffsetExpand = expand;
-exports.stackOffsetNone = none;
+exports.stackOffsetNone = none$1;
exports.stackOffsetSilhouette = silhouette;
exports.stackOffsetWiggle = wiggle;
-exports.stackOrderAscending = ascending$1;
+exports.stackOrderAscending = ascending$2;
exports.stackOrderDescending = descending$2;
exports.stackOrderInsideOut = insideOut;
-exports.stackOrderNone = none$1;
+exports.stackOrderNone = none$2;
exports.stackOrderReverse = reverse;
-exports.color = color;
-exports.rgb = rgb;
-exports.hsl = hsl;
-exports.lab = lab;
-exports.hcl = hcl;
-exports.cubehelix = cubehelix;
-exports.interpolate = interpolate;
-exports.interpolateArray = array$1;
-exports.interpolateDate = date;
-exports.interpolateNumber = interpolateNumber;
-exports.interpolateObject = object;
-exports.interpolateRound = interpolateRound;
-exports.interpolateString = interpolateString;
-exports.interpolateTransformCss = interpolateTransformCss;
-exports.interpolateTransformSvg = interpolateTransformSvg;
-exports.interpolateZoom = interpolateZoom;
-exports.interpolateRgb = interpolateRgb;
-exports.interpolateRgbBasis = rgbBasis;
-exports.interpolateRgbBasisClosed = rgbBasisClosed;
-exports.interpolateHsl = hsl$2;
-exports.interpolateHslLong = hslLong;
-exports.interpolateLab = lab$1;
-exports.interpolateHcl = hcl$2;
-exports.interpolateHclLong = hclLong;
-exports.interpolateCubehelix = cubehelix$2;
-exports.interpolateCubehelixLong = cubehelixLong;
-exports.interpolateBasis = basis$2;
-exports.interpolateBasisClosed = basisClosed$1;
-exports.quantize = quantize;
-exports.dispatch = dispatch;
-exports.dsvFormat = dsv;
-exports.csvParse = csvParse;
-exports.csvParseRows = csvParseRows;
-exports.csvFormat = csvFormat;
-exports.csvFormatRows = csvFormatRows;
-exports.tsvParse = tsvParse;
-exports.tsvParseRows = tsvParseRows;
-exports.tsvFormat = tsvFormat;
-exports.tsvFormatRows = tsvFormatRows;
-exports.request = request;
-exports.html = html;
-exports.json = json;
-exports.text = text;
-exports.xml = xml;
-exports.csv = csv$1;
-exports.tsv = tsv$1;
-exports.now = now;
-exports.timer = timer;
-exports.timerFlush = timerFlush;
-exports.timeout = timeout$1;
-exports.interval = interval$1;
exports.timeInterval = newInterval;
exports.timeMillisecond = millisecond;
exports.timeMilliseconds = milliseconds;
+exports.utcMillisecond = millisecond;
+exports.utcMilliseconds = milliseconds;
exports.timeSecond = second;
exports.timeSeconds = seconds;
+exports.utcSecond = second;
+exports.utcSeconds = seconds;
exports.timeMinute = minute;
exports.timeMinutes = minutes;
exports.timeHour = hour;
exports.timeHours = hours;
exports.timeDay = day;
@@ -16210,14 +16507,10 @@
exports.timeSaturdays = saturdays;
exports.timeMonth = month;
exports.timeMonths = months;
exports.timeYear = year;
exports.timeYears = years;
-exports.utcMillisecond = millisecond;
-exports.utcMilliseconds = milliseconds;
-exports.utcSecond = second;
-exports.utcSeconds = seconds;
exports.utcMinute = utcMinute;
exports.utcMinutes = utcMinutes;
exports.utcHour = utcHour;
exports.utcHours = utcHours;
exports.utcDay = utcDay;
@@ -16240,144 +16533,25 @@
exports.utcSaturdays = utcSaturdays;
exports.utcMonth = utcMonth;
exports.utcMonths = utcMonths;
exports.utcYear = utcYear;
exports.utcYears = utcYears;
-exports.formatLocale = formatLocale;
-exports.formatDefaultLocale = defaultLocale;
-exports.formatSpecifier = formatSpecifier;
-exports.precisionFixed = precisionFixed;
-exports.precisionPrefix = precisionPrefix;
-exports.precisionRound = precisionRound;
+exports.timeFormatDefaultLocale = defaultLocale$1;
+exports.timeFormatLocale = formatLocale$1;
exports.isoFormat = formatIso;
exports.isoParse = parseIso;
-exports.timeFormatLocale = formatLocale$1;
-exports.timeFormatDefaultLocale = defaultLocale$1;
-exports.scaleBand = band;
-exports.scalePoint = point$4;
-exports.scaleIdentity = identity$4;
-exports.scaleLinear = linear$2;
-exports.scaleLog = log;
-exports.scaleOrdinal = ordinal;
-exports.scaleImplicit = implicit;
-exports.scalePow = pow;
-exports.scaleSqrt = sqrt;
-exports.scaleQuantile = quantile$$1;
-exports.scaleQuantize = quantize$1;
-exports.scaleThreshold = threshold$1;
-exports.scaleTime = time;
-exports.scaleUtc = utcTime;
-exports.schemeCategory10 = category10;
-exports.schemeCategory20b = category20b;
-exports.schemeCategory20c = category20c;
-exports.schemeCategory20 = category20;
-exports.scaleSequential = sequential;
-exports.interpolateCubehelixDefault = cubehelix$3;
-exports.interpolateRainbow = rainbow$1;
-exports.interpolateWarm = warm;
-exports.interpolateCool = cool;
-exports.interpolateViridis = viridis;
-exports.interpolateMagma = magma;
-exports.interpolateInferno = inferno;
-exports.interpolatePlasma = plasma;
-exports.creator = creator;
-exports.customEvent = customEvent;
-exports.local = local;
-exports.matcher = matcher$1;
-exports.mouse = mouse;
-exports.namespace = namespace;
-exports.namespaces = namespaces;
-exports.select = select;
-exports.selectAll = selectAll;
-exports.selection = selection;
-exports.selector = selector;
-exports.selectorAll = selectorAll;
-exports.touch = touch;
-exports.touches = touches;
-exports.window = window;
+exports.now = now;
+exports.timer = timer;
+exports.timerFlush = timerFlush;
+exports.timeout = timeout$1;
+exports.interval = interval$1;
+exports.transition = transition;
exports.active = active;
exports.interrupt = interrupt;
-exports.transition = transition;
-exports.axisTop = axisTop;
-exports.axisRight = axisRight;
-exports.axisBottom = axisBottom;
-exports.axisLeft = axisLeft;
-exports.cluster = cluster;
-exports.hierarchy = hierarchy;
-exports.pack = index;
-exports.packSiblings = siblings;
-exports.packEnclose = enclose;
-exports.partition = partition;
-exports.stratify = stratify;
-exports.tree = tree;
-exports.treemap = index$1;
-exports.treemapBinary = binary;
-exports.treemapDice = treemapDice;
-exports.treemapSlice = treemapSlice;
-exports.treemapSliceDice = sliceDice;
-exports.treemapSquarify = squarify;
-exports.treemapResquarify = resquarify;
-exports.forceCenter = center$1;
-exports.forceCollide = collide;
-exports.forceLink = link;
-exports.forceManyBody = manyBody;
-exports.forceSimulation = simulation;
-exports.forceX = x$3;
-exports.forceY = y$3;
-exports.drag = drag;
-exports.dragDisable = dragDisable;
-exports.dragEnable = yesdrag;
exports.voronoi = voronoi;
exports.zoom = zoom;
-exports.zoomIdentity = identity$6;
-exports.zoomTransform = transform;
-exports.brush = brush;
-exports.brushX = brushX;
-exports.brushY = brushY;
-exports.brushSelection = brushSelection;
-exports.chord = chord;
-exports.ribbon = ribbon;
-exports.geoAlbers = albers;
-exports.geoAlbersUsa = albersUsa;
-exports.geoArea = area$2;
-exports.geoAzimuthalEqualArea = azimuthalEqualArea;
-exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw;
-exports.geoAzimuthalEquidistant = azimuthalEquidistant;
-exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw;
-exports.geoBounds = bounds;
-exports.geoCentroid = centroid$1;
-exports.geoCircle = circle$1;
-exports.geoClipExtent = extent$1;
-exports.geoConicConformal = conicConformal;
-exports.geoConicConformalRaw = conicConformalRaw;
-exports.geoConicEqualArea = conicEqualArea;
-exports.geoConicEqualAreaRaw = conicEqualAreaRaw;
-exports.geoConicEquidistant = conicEquidistant;
-exports.geoConicEquidistantRaw = conicEquidistantRaw;
-exports.geoDistance = distance;
-exports.geoEquirectangular = equirectangular;
-exports.geoEquirectangularRaw = equirectangularRaw;
-exports.geoGnomonic = gnomonic;
-exports.geoGnomonicRaw = gnomonicRaw;
-exports.geoGraticule = graticule;
-exports.geoGraticule10 = graticule10;
-exports.geoIdentity = identity$8;
-exports.geoInterpolate = interpolate$2;
-exports.geoLength = length$2;
-exports.geoMercator = mercator;
-exports.geoMercatorRaw = mercatorRaw;
-exports.geoOrthographic = orthographic;
-exports.geoOrthographicRaw = orthographicRaw;
-exports.geoPath = index$3;
-exports.geoProjection = projection;
-exports.geoProjectionMutator = projectionMutator;
-exports.geoRotation = rotation;
-exports.geoStereographic = stereographic;
-exports.geoStereographicRaw = stereographicRaw;
-exports.geoStream = geoStream;
-exports.geoTransform = transform$1;
-exports.geoTransverseMercator = transverseMercator;
-exports.geoTransverseMercatorRaw = transverseMercatorRaw;
+exports.zoomTransform = transform$1;
+exports.zoomIdentity = identity$8;
Object.defineProperty(exports, '__esModule', { value: true });
})));