SF.net SVN: matplotlib: [5063] trunk/matplotlib/lib/matplotlib/transforms. py

[<ef...@us...>]

Revision: 5063
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5063&view=rev
Author:   efiring
Date:     2008-04-23 00:21:03 -0700 (Wed, 23 Apr 2008)

Log Message:
-----------
Update dataLim only if some valid data are available.
This change means that plot([nan]) will generate an
empty plot instead of raising an obscure exception.

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

Modified: trunk/matplotlib/lib/matplotlib/transforms.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/transforms.py	2008-04-22 18:55:36 UTC (rev 5062)
+++ trunk/matplotlib/lib/matplotlib/transforms.py	2008-04-23 07:21:03 UTC (rev 5063)
@@ -693,6 +693,9 @@
 
         if len(xy) == 0:
             return
+        xym = ma.masked_invalid(xy)
+        if (xym.count(axis=1)!=2).all():
+            return
 
         points, minpos, changed = update_path_extents(
             Path(xy), None, self._points, self._minpos, ignore)


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