So you see this behavior if you switch to the Agg backend?  That's the 
backend used to generate the images in the gallery.  If there's a 
difference there, that would seem to suggest some tweaking of the macosx 
backend (which is still relatively new) is in order.

Mike

Zane Selvans wrote:
> I just installed the latest SciPy Superpack in order to get access to
> the scipy.spatial.KDTree class, and discovered that for some reason
> now when I use contourf() lines get drawn at the boundaries between
> the filled contours.  Additionally, there is always a single vertical
> line crossing from each contour boundary to the next.  I'm guessing
> that these are the edges of the filled polygons which are getting
> drawn.  This behavior doesn't seem to be consistent with the
> contourf() documentation and when I run code in griddata_demo.py it
> doesn't come out looking like the picture in the documentation/example
> gallery...
>
> Is anyone else seeing this behavior?  Is there a keyword I can use to
> force the edges of the polygons not to get drawn?
>
> This is on Mac OS X 10.5.7, with
> scipy.__version__ = 0.8.0.dev5635
> matplotlib.__version__ = 0.98.6svn
> numpy.__version__=1.4.0.dev6728
>
> As installed by superpack_2009.03.28.sh
> from http://macinscience.org/?page_id=6
>
> using:
> backend: macosx
>
> Cheers,
> Zane
>
>   

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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