Rubyvis

Ruby version of Protovis

• original protovis
• source code on Github
• gem on gemcutter
• documentation on http://rubyvis.rubyforge.org/rubyvis/

this code

require 'rubyvis'
vis = Rubyvis::Panel.new.width(150).height(150);

vis.add(pv.Bar).data([1, 1.2, 1.7, 1.5, 0.7, 0.3]).
  width(20).
  height(lambda {|d| d * 80}).
  bottom(0).
  left(lambda {self.index * 25})
vis.render()

Returns this svg code

<svg fill="none" font-family="sans-serif" font-size="10px" height="150.0" stroke="none" stroke-width="1.5" width="150.0">
<g transform="translate(0.0,0.0)">
<rect fill="rgb(31,119,180)" height="80" width="20" y="70"/>
<rect fill="rgb(31,119,180)" height="96.0" width="20" x="25" y="54.0"/>
<rect fill="rgb(31,119,180)" height="136.0" width="20" x="50" y="14.0"/>
<rect fill="rgb(31,119,180)" height="120.0" width="20" x="75" y="30.0"/>
<rect fill="rgb(31,119,180)" height="56.0" width="20" x="100" y="94.0"/>
<rect fill="rgb(31,119,180)" height="24.0" width="20" x="125" y="126.0"/>
</g>
</svg>