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22d8481f08
* compile.c, cont.c, doc, man: fix common misspelling. [ruby-core:72466] [Bug #11870] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
91 lines
2.7 KiB
Ruby
91 lines
2.7 KiB
Ruby
#!/usr/bin/env ruby
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# frozen_string_literal: false
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require 'tk'
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require 'tkextlib/blt'
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# Example of a pareto chart.
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#
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# The pareto chart mixes line and bar elements in the same graph.
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# Each processing operating is represented by a bar element. The
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# total accumulated defects is displayed with a single line element.
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b = Tk::BLT::Barchart.new(:title=>'Defects Found During Inspection',
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:font=>'Helvetica 12', :plotpady=>[12, 4],
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:width=>'6i', :height=>'5i')
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Tk::BLT::Table.add(Tk.root, b, :fill=>:both)
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data = [
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["Spot Weld", 82, 'yellow'],
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["Lathe", 49, 'orange'],
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["Gear Cut", 38, 'green'],
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["Drill", 24, 'blue'],
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["Grind", 17, 'red'],
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["Lapping", 12, 'brown'],
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["Press", 8, 'purple'],
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["De-burr", 4, 'pink'],
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["Packaging", 3, 'cyan'],
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["Other", 12, 'magenta']
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]
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# Create an X-Y graph line element to trace the accumulated defects.
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b.line_create('accum', :label=>'', :symbol=>:none, :color=>'red')
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# Define a bitmap to be used to stipple the background of each bar.
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pattern1 = Tk::BLT::Bitmap.define([ [4, 4], [1, 2, 4, 8] ])
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# For each process, create a bar element to display the magnitude.
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count = 0
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sum = 0
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ydata = [0]
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xdata = [0]
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labels = []
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data.each{|label, value, color|
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count += 1
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b.element_create(label, :xdata=>count, :ydata=>value, :foreground=>color,
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:relief=>:solid, :borderwidth=>1, :stipple=>pattern1,
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:background=>'lightblue')
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labels[count] = label
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# Get the total number of defects.
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sum += value
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ydata << sum
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xdata << count
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}
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# Configure the coordinates of the accumulated defects,
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# now that we know what they are.
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b.element_configure('accum', :xdata=>xdata, :ydata=>ydata)
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# Add text markers to label the percentage of total at each point.
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xdata.zip(ydata){|x, y|
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percent = (y * 100.0) / sum
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if x == 0
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text = ' 0%'
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else
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text = '%.1f' % percent
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end
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b.marker_create(:text, :coords=>[x, y], :text=>text, :font=>'Helvetica 10',
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:foreground=>'red4', :anchor=>:center, :yoffset=>-5)
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}
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# Display an auxiliary y-axis for percentages.
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b.axis_configure('y2', :hide=>false, :min=>0.0, :max=>100.0,
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:title=>'Percentage')
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# Title the y-axis
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b.axis_configure('y', :title=>'Defects')
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# Configure the x-axis to display the process names, instead of numbers.
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b.axis_configure('x', :title=>'Process', :rotate=>90, :subdivisions=>0,
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:command=>proc{|w, val|
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val = val.round
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labels[val]? labels[val]: val
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})
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# No legend needed.
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b.legend_configure(:hide=>true)
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# Configure the grid lines.
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b.gridline_configure(:mapx=>:x, :color=>'lightblue')
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Tk.mainloop
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