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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)
Tk.pack(c1,c2, :fill=>:both, :side=>:top)
###############################
# Set up a strip chart
###############################
slipchart = Tk::Tcllib::Plotchart::Stripchart.new(c1, [0.0, 100.0, 10.0],
[0.0, 100.0, 20.0])
TkTimer.new(500, -1, proc{|obj| # obj --> TkTimer object
slipchart, xold, xd, yold, yd = obj.return_value
xnew = xold + xd
ynew = yold + (rand() - 0.5) * yd
ynew2 = yold + (rand() - 0.5) * 2.0 * yd
slipchart.plot('series1', xnew, ynew)
slipchart.plot('series2', xnew, ynew2)
obj.stop if xnew >= 200
[slipchart, xnew, xd, ynew, yd] # return_value
}).start(100, proc{
# init return_value
[slipchart, 0.0, 15.0, 50.0, 30.0]
})
slipchart.title "Aha!"
###############################
# Set up an isometric plot
###############################
s = Tk::Tcllib::Plotchart::IsometricPlot.new(c2, [0.0, 100.0], [0.0, 200.0],
:noaxes)
s.set_zoom_pan
s.plot('rectangle', [10.0, 10.0, 50.0, 50.0], 'green')
s.plot('filled-rectangle', [20.0, 20.0, 40.0, 40.0], 'red')
s.plot('filled-circle', [70.0, 70.0, 40.0], 'yellow')
s.plot('circle', [70.0, 70.0, 42.0])
###############################
# Check the symbols
###############################
h = TkToplevel.new(:title=>'h')
c = TkCanvas.new(h, :bg=>'white', :width=>400, :height=>200).pack(:fill=>:both)
s = Tk::Tcllib::Plotchart::XYPlot.new(c, [0.0, 100.0, 10.0],
[0.0, 100.0, 20.0])
s.dataconfig('series1', :colour=>'red', :type=>:symbol)
s.dataconfig('series2', :colour=>'green', :type=>:both)
s.yconfig(:format=>"%12.2e")
x = 5.0
%w(plus cross circle up down dot upfilled downfilled).each{|sym|
s.dataconfig('series1', :symbol=>sym)
s.dataconfig('series2', :symbol=>sym)
s.plot('series1', x, 50.0)
s.plot('series2', x, 20)
x += 10
}
##############################
Tk.mainloop
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