Stéfan van der Walt wrote: > Hi all, > > According to the `spy` docstring, it can display sparse matrices from > scipy. The following code snippet seems to break, however: > > In [20]: import scipy.sparse as sp > In [21]: d = sp.lil_eye((15, 15)) > In [22]: plt.spy(d) > > Am I using the `spy` function correctly? I've also tried forcing > marker mode by setting marker='s' and markersize=1, but I still get > the same error message:
It's a bug. The problem is that spy can return in image or a line with markers, but the pyplot wrapper is assuming it is returning an image. It will need a custom wrapper instead of the standard wrapper for functions returning a mappable. I'll fix it. Eric > > --> 160 gca()._sci(im) > 161 > 162 > > /Users/stefan/lib/python2.6/site-packages/matplotlib/axes.pyc in _sci(self, > im) > 1336 elif im not in self.images and im not in self.collections: > 1337 raise ValueError( > -> 1338 "Argument must be an image, collection, or > ContourSet in this Axes") > 1339 self._current_image = im > 1340 > > ValueError: Argument must be an image, collection, or ContourSet in this Axes > > > > Kind regards and a happy festive season! > Stéfan > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and easy > Join now and get one step closer to millions of Verizon customers > http://p.sf.net/sfu/verizon-dev2dev > _______________________________________________ > Matplotlib-devel mailing list > Matplotlib-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-devel ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
