Re: [matplotlib-devel] ax.scatter broken for triangular markers

[Michael D. <md...@st...>]

Should be fixed in r8648 now.

Mike

On 08/18/2010 11:45 AM, Thomas Robitaille wrote:
> Hi,
>
> I updated to the latest svn version of matplotlib this morning, and Axes.scatter seems to be broken when using marker='v', '>','<', or '^':
>
> import matplotlib
> matplotlib.use('Agg')
> import matplotlib.pyplot as mpl
>
> fig = mpl.figure()
> ax = fig.add_subplot(1,1,1)
> ax.scatter([1,2,3], [4,5,6], marker='v')
> fig.savefig('test.png')
>
> gives:
>
> Traceback (most recent call last):
>    File "test.py", line 7, in<module>
>      ax.scatter([1,2,3], [4,5,6], marker='^')
>    File "/Users/tom/Library/Python/2.6/site-packages/matplotlib/axes.py", line 5764, in scatter
>      transOffset = self.transData,
>    File "/Users/tom/Library/Python/2.6/site-packages/matplotlib/collections.py", line 695, in __init__
>      self._paths = [self._path_generator(numsides)]
>    File "/Users/tom/Library/Python/2.6/site-packages/matplotlib/path.py", line 415, in unit_regular_polygon
>      path = cls(verts, codes)
>    File "/Users/tom/Library/Python/2.6/site-packages/matplotlib/path.py", line 117, in __init__
>      assert len(codes) == len(vertices)
> AssertionError
>
> This did not occur when I updated to the latest svn a couple of days ago, so it must be due to a pretty recent change.
>
> Cheers,
>
> Tom
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-- 
Michael Droettboom
Science Software Branch
Space Telescope Science Institute
Baltimore, Maryland, USA