[SciPy-User] Finding contour polygons without matplotlib?

Thøger Rivera-Thorsen trive@astro.su...
Mon Jun 25 05:50:58 CDT 2012

I have been wanting something similar to this for a while too: the 
ability to define polygons by data coordinates, not by plotting - they 
are really a means to define regions of interest, not necessarily meant 
to ever be visualized.

On 06/25/2012 11:54 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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Thøger Rivera-Thorsen
Ph.D. Student of astrophysics
Stockholms Universitet
Office: C6-3022

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