SF.net SVN: matplotlib:[6465] trunk/matplotlib/lib/matplotlib/transforms.py

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

Revision: 6465
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6465&view=rev
Author:   mdboom
Date:     2008-12-01 19:35:39 +0000 (Mon, 01 Dec 2008)

Log Message:
-----------
Non-affine transformation invalidation wasn't propagating correctly.

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

Modified: trunk/matplotlib/lib/matplotlib/transforms.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/transforms.py	2008-12-01 19:07:08 UTC (rev 6464)
+++ trunk/matplotlib/lib/matplotlib/transforms.py	2008-12-01 19:35:39 UTC (rev 6465)
@@ -115,12 +115,12 @@
             return
 
         # Invalidate all ancestors of self using pseudo-recursion.
-        parent = None
         stack = [self]
         while len(stack):
             root = stack.pop()
             # Stop at subtrees that have already been invalidated
             if root._invalid != value or root.pass_through:
+                value |= root._invalid
                 root._invalid = value
                 stack.extend(root._parents.keys())
 


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