# = First example (Protovis API) # This is the protovis API version of "Getting Started" example of Protovis introduction. # On this example we build a bar chart using panel and bar marks. # A mark represents a set of graphical elements that share data and visual encodings. Although marks are simple by themselves, you can combine them in interesting ways to make rich, interactive visualizations $:.unshift(File.dirname(__FILE__)+"/../../lib") 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 {index * 25}) vis.render() puts vis.to_svg