[R-sig-Geo] Linear interp irregular samples to irregular points

Miha Staut mihastaut at yahoo.co.uk
Tue Jun 5 18:36:56 CEST 2007


What about interpp in akima package that does pointwise bivariate interpolation
for irregular data? Was that what you wanted?

All best
Miha


--- Tim Keitt <tkeitt at gmail.com> wrote:

> Anyone know of code that will do bilinear interpolation from irregular
> samples to another set of irregular locations (including points
> possibly outside the convex hull of the original points)? Akima
> interpolates to a regular grid AFAICT. I did find one package on CRAN
> that does this will splines, but I want something simpler. (The
> particular application requires many repeated calls.)
> 
> THK
> 
> -- 
> Timothy H. Keitt, University of Texas at Austin
> Contact info and schedule at http://www.keittlab.org/tkeitt/
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