[SciPy-user] cookbook example on irregularly spaced data fails
Robert Kern
robert.kern at gmail.com
Thu Sep 21 14:31:13 EDT 2006
Craig Maloney wrote:
> Hi all.
>
> I'm trying to use the delaunay module in the sandbox to do natural
> neighbor interpolation. I'm trying to follow the cookbook example at:
>
> http://www.scipy.org/Cookbook/Matplotlib/Gridding_irregularly_spaced_data
>
> The "zi's" I get at the end of the day are all NaN. If I play around
> with the parameters, I can get *some* of the zi's to be nan.
>
> Any ideas of what might be wrong?
Not really. It is working fine for me. Some of the values must be nan (or
whatever you use for default_value when calling nn_interpolator()) because the
requested points are outside of the convex hull.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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