1 files changed, 83 insertions, 0 deletions
diff --git a/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb b/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb
new file mode 100644
index 0000000000..3b74b1f592
--- /dev/null
+++ b/ext/tk/sample/tkextlib/tcllib/plotdemos3.rb
@@ -0,0 +1,83 @@
+#!/usr/bin/ruby
+
+require 'tk'
+require 'tkextlib/tcllib/plotchart'
+
+###############################
+# Set up a strip chart
+###############################
+
+Tk::Tcllib::Plotchart::Stripchart.new([0.0, 100.0, 10.0], 
+				      [0.0, 100.0, 20.0], 
+				      :background=>'white', 
+				      :width=>400, :height=>200){|chart|
+  title "Aha!"
+  pack(:fill=>:both, :side=>:top)
+
+  series1 = Tk::Tcllib::Plotchart::PlotSeries.new(chart)
+  series2 = Tk::Tcllib::Plotchart::PlotSeries.new(chart)
+
+  xd = 15.0
+  yd = 30.0
+
+  TkTimer.new(500, -1, proc{|obj| # obj --> TkTimer object
+		xold, yold = obj.return_value
+		xnew = xold + xd
+		ynew = yold + (rand() - 0.5) * yd
+		ynew2 = yold + (rand() - 0.5) * 2.0 * yd
+
+		series1.plot(xnew, ynew)
+		series2.plot(xnew, ynew2)
+
+		obj.stop if xnew >= 200
+
+		[xnew, ynew] # return_value
+	      }).start(100, proc{ [0.0, 50.0] }) # init return_value
+}
+
+###############################
+# Set up an isometric plot
+###############################
+Tk::Tcllib::Plotchart::IsometricPlot.new([0.0, 100.0], [0.0, 200.0], :noaxes, 
+					 :background=>'white', 
+					 :width=>400, :height=>200){|chart|
+  pack(:fill=>:both, :side=>:top)
+  set_zoom_pan
+
+  chart.plot('rectangle',        [10.0, 10.0, 50.0, 50.0], 'green')
+  chart.plot('filled-rectangle', [20.0, 20.0, 40.0, 40.0], 'red')
+  chart.plot('filled-circle',    [70.0, 70.0, 40.0], 'yellow')
+  chart.plot('circle',           [70.0, 70.0, 42.0])
+}
+
+###############################
+# Check the symbols
+###############################
+TkToplevel.new(:title=>'h'){|h|
+  Tk::Tcllib::Plotchart::XYPlot.new(h, [0.0, 100.0, 10.0], 
+				       [0.0, 100.0, 20.0], 
+				    :bg=>'white', 
+				    :width=>400, :height=>200){|chart|
+    pack(:fill=>:both)
+
+    yconfig(:format=>"%12.2e")
+
+    series1 = Tk::Tcllib::Plotchart::PlotSeries.new(chart, :colour=>'red', 
+						    :type=>:symbol)
+    series2 = Tk::Tcllib::Plotchart::PlotSeries.new(chart, :colour=>'green', 
+						    :type=>:both)
+
+    x = 5.0
+    %w(plus cross circle up down dot upfilled downfilled).each{|sym|
+      series1.dataconfig(:symbol=>sym)
+      series2.dataconfig(:symbol=>sym)
+      series1.plot(x, 50.0)
+      series2.plot(x, 20)
+      x += 10
+    }
+  }
+}
+
+##############################
+
+Tk.mainloop