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#!/usr/bin/ruby
require 'tk'
require 'tkextlib/tcllib/plotchart'
###############################
c1 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
c2 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
c3 = TkCanvas.new(:background=>'white', :width=>400, :height=>200)
Tk.pack(c1,c2,c3, :fill=>:both, :side=>:top)
h = TkToplevel.new(:title=>'h')
hc1 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
hc2 = TkCanvas.new(h, :background=>'white', :width=>400, :height=>200)
Tk.pack(hc1,hc2, :fill=>:both, :side=>:top)
v = TkToplevel.new(:title=>'v')
vc1 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
vc2 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
vc3 = TkCanvas.new(v, :background=>'white', :width=>400, :height=>200)
Tk.pack(vc1,vc2,vc3, :fill=>:both, :side=>:top)
###############################
s = Tk::Tcllib::Plotchart::XYPlot.new(c1, [0.0, 100.0, 10.0],
[0.0, 100.0, 20.0])
xd = 5.0
yd = 20.0
xold = 0.0
yold = 50.0
s.dataconfig('series1', :color=>'red')
(0..19).each{|i|
xnew = xold + xd
ynew = yold + (rand() - 0.5) * yd
ynew2 = yold + (rand() - 0.5) * 2.0 * yd
s.plot('series1', xnew, ynew)
s.plot('series2', xnew, ynew2)
xold = xnew
yold = ynew
}
s.xtext "X-coordinate"
s.ytext "Y-data"
s.title "Aha!"
c1.wait_visibility
s.save_plot "aha.ps"
###############################
s = Tk::Tcllib::Plotchart::Piechart.new(c2)
s.plot([ ["Long names", 10], ["Short names", 30],
["Average", 40], ["Ultra-short names", 5] ])
#
# Note: title should be shifted up
# - distinguish a separate title area
#
s.title "Okay - this works"
###############################
s = Tk::Tcllib::Plotchart::PolarPlot.new(c3, [3.0, 1.0])
0.step(359, 10){|angle|
rad = 1.0+Math.cos(angle*Math::PI/180.0)
s.plot('cardioid', rad, angle)
}
s.title "Cardioid"
###############################
s = Tk::Tcllib::Plotchart::Barchart.new(hc1, %w(A B C D E),
[0.0, 10.0, 2.0], 2)
s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
s.title "Arbitrary data"
###############################
s = Tk::Tcllib::Plotchart::Barchart.new(hc2, %w(A B C D E),
[0.0, 20.0, 5.0], :stacked)
s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
s.title "Stacked diagram"
###############################
s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc1, [0.0, 10.0, 2.0],
%w(A B C D E), 2)
s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
s.title "Arbitrary data"
###############################
s = Tk::Tcllib::Plotchart::HorizontalBarchart.new(vc2, [0.0, 20.0, 5.0],
%w(A B C D E), :stacked)
s.plot('series1', [1.0, 4.0, 6.0, 1.0, 7.0], 'red')
s.plot('series2', [0.0, 3.0, 7.0, 9.3, 2.0], 'green')
s.title "Stacked diagram"
###############################
s = Tk::Tcllib::Plotchart::Timechart.new(vc3, "1 january 2004",
"31 december 2004", 4)
s.period("Spring", "1 march 2004", "1 june 2004", 'green')
s.period("Summer", "1 june 2004", "1 september 2004", 'yellow')
s.vertline("1 jan", "1 january 2004")
s.vertline("1 apr", "1 april 2004")
s.vertline("1 jul", "1 july 2004")
s.vertline("1 oct", "1 october 2004")
s.milestone("Longest day", "21 july 2004")
s.title "Seasons (northern hemisphere)"
###############################
z = TkToplevel.new(:title=>'3D')
zc1 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>300)
zc2 = TkCanvas.new(z, :background=>'white', :width=>400, :height=>250)
Tk.pack(zc1,zc2)
s = Tk::Tcllib::Plotchart::Plot3D.new(zc1,
[0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
s.title "3D Plot"
s.plot_function{|x, y|
# cowboyhat
x1 = x.to_f/9.0
y1 = y.to_f/9.0
3.0 * (1.0-(x1*x1+y1*y1))*(1.0-(x1*x1+y1*y1))
}
s = Tk::Tcllib::Plotchart::Plot3D.new(zc2,
[0, 10, 3], [-10, 10, 10], [0, 10, 2.5])
s.title "3D Plot - data "
s.colour("green", "black")
s.plot_data([ [1.0, 2.0, 1.0, 0.0],
[1.1, 3.0, 1.1, -0.5],
[3.0, 1.0, 4.0, 5.0] ])
###############################
Tk.mainloop
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