SF.net SVN: matplotlib: [4199] trunk/matplotlib/lib/matplotlib/patches.py

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

Revision: 4199
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4199&view=rev
Author:   mdboom
Date:     2007-11-09 13:27:30 -0800 (Fri, 09 Nov 2007)

Log Message:
-----------
Bugfix: [ 1732274 ] No antialiasing with pie on wxpython
Reducing the sampling of the curve on the wedge looks much better.

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

Modified: trunk/matplotlib/lib/matplotlib/patches.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/patches.py	2007-11-09 21:09:04 UTC (rev 4198)
+++ trunk/matplotlib/lib/matplotlib/patches.py	2007-11-09 21:27:30 UTC (rev 4199)
@@ -511,7 +511,7 @@
     def __str__(self):
         return "Wedge(%g,%g)"%self.xy[0]
     def __init__(self, center, r, theta1, theta2,
-                 dtheta=0.1, **kwargs):
+                 dtheta=5.0, **kwargs):
         """
         Draw a wedge centered at x,y tuple center with radius r that
         sweeps theta1 to theta2 (angles)
@@ -523,7 +523,11 @@
 
         """
         xc, yc = center
-        rads = (math.pi/180.)*npy.arange(theta1, theta2+0.1*dtheta, dtheta)
+        theta1 = float(theta1)
+        theta2 = float(theta2)
+        dtheta = float(dtheta)
+        num_points = abs(theta2 - theta1) / dtheta
+        rads = (npy.pi/180.) * npy.linspace(theta1, theta2, num_points, endpoint=True)
         xs = r*npy.cos(rads)+xc
         ys = r*npy.sin(rads)+yc
         verts = [center]


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