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Contents
# = Crimeam War deaths (Grouped bar)
# Florence Nightingale used a coxcomb diagram to emphasize the number of deaths due to “preventible or mitigable zymotic diseases”. This graph shows data using a line chart.
$:.unshift(File.dirname(__FILE__)+"/../../../lib")
require 'rubyvis'
require 'ostruct'
load(File.dirname(__FILE__)+"/crimea_data.rb")
w = 545
h = 280
#x = pv.Scale.linear($crimea, lambda {|d| d.date}).range(0, w)
x=pv.Scale.linear(Time.utc(1854,4), Time.utc(1856,3)).range(0, w)
y = pv.Scale.linear(0, 1500).range(0, h)
fill = pv.colors("lightpink", "darkgray", "lightblue")
format = pv.Format.date("%b")
vis = pv.Panel.new()
.width(w)
.height(h)
.margin(19.5)
.right(40);
vis.add(pv.Panel)
.data($causes)
.add(pv.Line)
.data($crimea)
.left(lambda {|d| x.scale(d.date)})
.bottom(lambda {|d,t| y.scale(d.send(t))})
.stroke_style(fill.by(pv.parent))
.line_width(3)
vis.add(pv.Label)
.data(x.ticks())
.left(lambda {|d| x.scale(d)})
.bottom(0)
.text_baseline("top")
.text_margin(5)
.text(pv.Format.date("%b").format_lambda);
vis.add(pv.Rule)
.data(y.ticks())
.bottom(lambda {|d| y.scale(d)})
.stroke_style(lambda {|i| i!=0 ? pv.color("#ccc") : pv.color("black")})
.anchor("right").add(pv.Label)
.visible(lambda { (self.index & 1)==0})
.text_margin(6);
vis.render();
puts vis.to_svg
Version data entries
11 entries across 11 versions & 1 rubygems