SF.net SVN: matplotlib: [4345] branches/transforms/lib/matplotlib/ transforms.py

[<md...@us...>]

Revision: 4345
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4345&view=rev
Author:   mdboom
Date:     2007-11-16 12:29:51 -0800 (Fri, 16 Nov 2007)

Log Message:
-----------
Minor speed improvement.

Modified Paths:
--------------
    branches/transforms/lib/matplotlib/transforms.py

Modified: branches/transforms/lib/matplotlib/transforms.py
===================================================================
--- branches/transforms/lib/matplotlib/transforms.py	2007-11-16 20:17:05 UTC (rev 4344)
+++ branches/transforms/lib/matplotlib/transforms.py	2007-11-16 20:29:51 UTC (rev 4345)
@@ -1215,8 +1215,8 @@
     def transform(self, points):
         mtx = self.get_matrix()
         if isinstance(points, MaskedArray):
-            points = ma.dot(mtx[0:2, 0:2], points.transpose()) + mtx[0:2, 2:]
-            return points.transpose()
+            tpoints = affine_transform(points.data, mtx)
+            return ma.MaskedArray(tpoints, mask=ma.getmask(points))
         return affine_transform(points, mtx)
 
     def transform_point(self, point):


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