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# = Using parent
# This example shows how to group bars on groups and use the parent property to identify and color them
$:.unshift(File.dirname(__FILE__)+"/../../lib")
require 'rubyvis'
vis = pv.Panel.new().width(200).height(150);
bar= vis.add(pv.Panel).data(["a","b","c","d"]).add(pv.Bar)
.data([1,2])
.width(20)
.height(lambda {60+parent.index*20+index*5})
.bottom(0)
.left(lambda {|d,t| parent.index*60+index*25})
bar.anchor("bottom").add(pv.Label).
text(lambda {|d,t| "#{t}-#{d}"})
bar.anchor("top").add(pv.Label).
text(lambda {"#{parent.index}-#{index}"})
vis.render()
#puts vis.children_inspect
puts vis.to_svg
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