Revision: 7183
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7183&view=rev
Author: leejjoon
Date: 2009-06-05 23:45:53 +0000 (Fri, 05 Jun 2009)
Log Message:
-----------
axes_grid/clip_path.py : fix math domain error
Modified Paths:
--------------
trunk/matplotlib/lib/mpl_toolkits/axes_grid/clip_path.py
Modified: trunk/matplotlib/lib/mpl_toolkits/axes_grid/clip_path.py
===================================================================
--- trunk/matplotlib/lib/mpl_toolkits/axes_grid/clip_path.py 2009-06-05
16:53:47 UTC (rev 7182)
+++ trunk/matplotlib/lib/mpl_toolkits/axes_grid/clip_path.py 2009-06-05
23:45:53 UTC (rev 7183)
@@ -1,6 +1,12 @@
import numpy as np
-from math import degrees, atan2
+from math import degrees
+import math
+def atan2(dy, dx):
+ if dx == 0 and dx == 0:
+ return 0
+ else:
+ return math.atan2(dy, dx)
# FIXME : The current algorithm seems to return incorrect angle when the line
# ends at the boudnary.
@@ -38,6 +44,10 @@
ns = -1
segx, segy = [], []
+ if dx == 0. and dy == 0:
+ dx = x[+1] - x[i]
+ dy = y[i+1] - y[i]
+
a = degrees(atan2(dy, dx))
_pos_angles.append((x0, y0, a))
@@ -48,6 +58,10 @@
segx, segy = [x0], [y0]
ns = i+1
+ if dx == 0. and dy == 0:
+ dx = x[+1] - x[i]
+ dy = y[i+1] - y[i]
+
a = degrees(atan2(dy, dx))
_pos_angles.append((x0, y0, a))
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