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Versions: 17
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Contents
require 'GDChart'
module Statsample
module Util # :nodoc:
class << self
def chart_gdchart(file,width,height,chart_type, labels, options,num_datasets,data)
require 'GDChart'
gdc=GDChart.new
gdc.title="Generic title"
gdc.bg_color=0xFFFFFF
gdc.image_type=GDChart::JPEG
options.each{|k,v|
gdc.send(k+"=",v)
}
File.open(file,"w") {|f|
gdc.out_graph(width,height,f,chart_type, data.length/num_datasets,labels,num_datasets,data)
}
end
end
end
class Vector
# Creates a barchart using ruby-gdchart
def gdchart_frequencies(file, width=300, height=150, chart_type=GDChart::BAR, options={}) # :nodoc:
labels,data=[],[]
self.frequencies.sort.each{|k,v|
labels.push(k.to_s)
data.push(v)
}
options['ext_color']=[0xFF3399,0xFF9933,0xFFEE33,0x33FF33, 0x9966FF]
Statsample::Util.chart_gdchart(file,width,height,chart_type, labels,options,1,data)
end
def gdchart_histogram(bins,file, width=300, height=150, chart_type=GDChart::BAR, options={}) # :nodoc:
check_type :scale
labels=[]
h=histogram(bins)
data=[]
(0...bins).each{|bin|
data.push(h[bin])
range=h.get_range(bin)
labels.push(((range[0]+range[1]) / 2.to_f).to_s)
}
Statsample::Util.chart_gdchart(file, width, height, chart_type, labels,options, 1,data)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems