Revision: 7199
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7199&view=rev
Author: jdh2358
Date: 2009-06-08 12:49:37 +0000 (Mon, 08 Jun 2009)
Log Message:
-----------
special case 0,0 for atan2
Modified Paths:
--------------
trunk/matplotlib/lib/mpl_toolkits/mplot3d/art3d.py
Modified: trunk/matplotlib/lib/mpl_toolkits/mplot3d/art3d.py
===================================================================
--- trunk/matplotlib/lib/mpl_toolkits/mplot3d/art3d.py 2009-06-07 23:23:41 UTC
(rev 7198)
+++ trunk/matplotlib/lib/mpl_toolkits/mplot3d/art3d.py 2009-06-08 12:49:37 UTC
(rev 7199)
@@ -65,7 +65,11 @@
self._position3d + self._dir_vec], renderer.M)
dx = proj[0][1] - proj[0][0]
dy = proj[1][1] - proj[1][0]
- angle = math.degrees(math.atan2(dy, dx))
+ if dx==0. and dy==0.:
+ # atan2 raises ValueError: math domain error on 0,0
+ angle = 0.
+ else:
+ angle = math.degrees(math.atan2(dy, dx))
self.set_position((proj[0][0], proj[1][0]))
self.set_rotation(norm_text_angle(angle))
mtext.Text.draw(self, renderer)
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