Revision: 7827
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7827&view=rev
Author: efiring
Date: 2009-09-25 23:56:14 +0000 (Fri, 25 Sep 2009)
Log Message:
-----------
Fix bug in quiver handling of masked U, V
Modified Paths:
--------------
branches/v0_99_maint/lib/matplotlib/quiver.py
Modified: branches/v0_99_maint/lib/matplotlib/quiver.py
===================================================================
--- branches/v0_99_maint/lib/matplotlib/quiver.py 2009-09-25 18:54:43 UTC
(rev 7826)
+++ branches/v0_99_maint/lib/matplotlib/quiver.py 2009-09-25 23:56:14 UTC
(rev 7827)
@@ -516,6 +516,11 @@
xy = (X+Y*1j) * np.exp(1j*theta)*self.width
xy = xy[:,:,np.newaxis]
XY = np.concatenate((xy.real, xy.imag), axis=2)
+ if self.Umask is not ma.nomask:
+ XY = ma.array(XY)
+ XY[self.Umask] = ma.masked
+ # This might be handled more efficiently with nans, given
+ # that nans will end up in the paths anyway.
return XY
@@ -573,10 +578,7 @@
tooshort = np.repeat(tooshort, 8, 1)
np.putmask(X, tooshort, X1)
np.putmask(Y, tooshort, Y1)
- if self.Umask is not ma.nomask:
- mask = np.repeat(self.Umask[:,np.newaxis], 8, 1)
- X = ma.array(X, mask=mask, copy=False)
- Y = ma.array(Y, mask=mask, copy=False)
+ # Mask handling is deferred to the caller, _make_verts.
return X, Y
quiver_doc = _quiver_doc
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