Sha256: e08f12aafa3e15930bbe8c0765a55d6c2a4bcec0bd6d994a0806400c7fe57252
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Versions: 4
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Contents
var vows = require("vows"),
load = require("../load"),
assert = require("../assert");
var suite = vows.describe("d3.geo.rotation");
suite.addBatch({
"rotation": {
topic: load("geo/rotation").expression("d3.geo.rotation"),
"a rotation of [+90°, 0°]": {
topic: function(rotation) {
return rotation([90, 0]);
},
"only rotates longitude": function(rotation) {
assert.inDelta(rotation([0, 0]), [90, 0], 1e-6);
},
"wraps around when crossing the antimeridian": function(rotation) {
assert.inDelta(rotation([150, 0]), [-120, 0], 1e-6);
}
},
"a rotation of [-45°, -45°]": {
topic: function(rotation) {
return rotation([-45, 45]);
},
"rotates longitude and latitude": function(rotation) {
assert.inDelta(rotation([0, 0]), [-54.73561, 30], 1e-6);
},
"inverse rotation of longitude and latitude": function(rotation) {
assert.inDelta(rotation.invert([-54.73561, 30]), [0, 0], 1e-6);
}
}
}
});
suite.export(module);
Version data entries
4 entries across 4 versions & 2 rubygems