added fast pcolor

jdh2358 · jdh2358 · commit ec0a6d2a4eb5 · 2004-05-16T23:23:32.000Z
svn path=/trunk/matplotlib/; revision=300
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,5 +1,7 @@
 New entries should be added at the top
 ------------------------------------------------------------
+2004-05-16 Added fast pcolor using PolyCollections.  - JDH
+
 2004-05-14 Added fast polygon collections - changed scatter to use
            them.  Added multiple symbols to scatter.  10x speedup on
 	   large scatters using *Agg and 5X speedup for ps. - JDH
diff --git a/examples/pcolor_demo.py b/examples/pcolor_demo.py
@@ -3,6 +3,7 @@
 See pcolor_demo2 for a much faster way of generating pcolor plots
 """
 from __future__ import division
+from matplotlib.patches import Patch
 from matplotlib.matlab import *
 
 def func3(x,y):
@@ -18,6 +19,8 @@ def func3(x,y):
 
 Z = func3(X, Y)
 pcolor(X, Y, Z, shading='flat')
+#pcolor_classic(X, Y, Z, shading='flat')
+
 #axis([-3, 3, -3, 3])
 #axis('off')
 #savefig('pcolor_demo')
