[SciPy-user] Bilinear Interpolation

Ryan May rmay at ou.edu
Tue Sep 26 13:05:37 CDT 2006


Stefan van der Walt wrote:
> On Tue, Sep 26, 2006 at 11:19:37AM -0500, Ryan May wrote:
>> Is there function for doing a simple bilinear interpolation in scipy?  I 
>> tried the interpolate.interp2d routines, but it appears that it uses 
>> B-splines even when kind='linear' is specified. (I wouldn't otherwise 
>> care except that my class assignment explicitly says to use
>> bilinear.)
> 
> I'm speaking under correction, but if you choose 'linear', b-splines
> of degree 1 (i.e. straight lines) are used and you are doing linear
> interpolation.

That's what I kinda thought, but using 'linear' for interp2d didn't give 
me the same answer as when I performed the calculation manually.  I'll 
have to see what I can find on this...

Ryan

-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
rmay at rossby.ou.edu



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