Sparklines

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Sparklines
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Galileos Sparklines
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ETs Sparklines
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sudo gem install rmagick sudo gem install
sparklines sudo gem install sparklines_generator
ruby script/generate sparklines
require 'sparklines'
class MyController lt ApplicationController
helper sparklines end
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Using the sparkline_tag Helper
lt sparkline_tag array of ints 0-100, type
gt "type", options gt
lt sparkline_tag 49,23,89,10,86,37,32,
type gt 'smooth' gt
lt sparkline_tag 49,23,89,10,86,37,32,
type gt 'discrete', upper gt 50,
above_color gt "red"gt
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Creating Your Own Sparkline
def self.spark_name( array, options, max_value
) Must return a PNG image blob.