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

-- 
Zane A. Selvans
Amateur Earthling
http://zaneselvans.org
+1 303 815 6866

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