Revision: 7870
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7870&view=rev
Author: astraw
Date: 2009-10-11 19:09:30 +0000 (Sun, 11 Oct 2009)
Log Message:
-----------
testing: add test_imshow_clip() based on report by Gellule Xg
<[email protected]>
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/tests/test_axes.py
Modified: trunk/matplotlib/lib/matplotlib/tests/test_axes.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/tests/test_axes.py 2009-10-11 19:08:32 UTC
(rev 7869)
+++ trunk/matplotlib/lib/matplotlib/tests/test_axes.py 2009-10-11 19:09:30 UTC
(rev 7870)
@@ -380,6 +380,34 @@
ax.imshow(r)
fig.savefig('imshow')
+...@image_comparison(baseline_images=['imshow_clip'])
+def test_imshow_clip():
+ # As originally reported by Gellule Xg <[email protected]>
+
+ #Create a NxN image
+ N=100
+ (x,y) = np.indices((N,N))
+ x -= N/2
+ y -= N/2
+ r = np.sqrt(x**2+y**2-x*y)
+
+ #Create a contour plot at N/4 and extract both the clip path and transform
+ fig = plt.figure()
+ ax = fig.add_subplot(111)
+
+ c = ax.contour(r,[N/4])
+ x = c.collections[0]
+ clipPath = x.get_paths()[0]
+ clipTransform = x.get_transform()
+
+ from matplotlib.transforms import TransformedPath
+ clip_path = TransformedPath(clipPath, clipTransform)
+
+ #Plot the image clipped by the contour
+ ax.imshow(r, clip_path=clip_path)
+ fig.savefig('imshow_clip')
+
+
if __name__=='__main__':
import nose
nose.runmodule(argv=['-s','--with-doctest'], exit=False)
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