[SciPy-User] Finding contour polygons without matplotlib?

[Zachary Pincus]

> I wrote some contour-finding code (2D only) a long time ago that has recently found a good home in the scikits-image package:
> http://scikits-image.org/docs/0.6/api/skimage.measure.html#find-contours

Also, here's an example use:
http://scikits-image.org/docs/dev/auto_examples/plot_contours.html

> 
> On Jun 25, 2012, at 5:54 AM, Sourish Basu wrote:
> 
>> Hi all,
>> 
>>   Is there a way in scipy+numpy to calculate the contour polygons of a
>> field z=z(x,y) without invoking matplotlib? I would like to check
>> whether two points lie within the same contour polygons, without
>> invoking the contouring routine from matplotlib. I would like to avoid
>> matplotlib for two reasons. Firstly the cluster on which I work does not
>> have matplotlib, and secondly I would like to avoid the overhead of
>> plotting that would inevitably accompany repeated calls to the
>> matplotlib implementation of contour.
>> 
>> Thanks,
>> 
>> Sourish Basu
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