[GRASS-user] new addon for multivariate surface interpolation from sparse points with smoothing

[Sajid Pareeth]

Hi Markus

Thank you for this excellent addon.

I was testing it with some trmm data, and getting this error with default
"thin" value of 1.5.

ERROR: knn: inserting duplicate

Then if I increase the thinning factor, it works, but the algorithm thinned
out quite a lot of points.

Any lead would be helpful, thanks

Regards

Sajid




On Thu, Aug 25, 2016 at 9:02 PM, Markus Metz <markus.metz.giswork at gmail.com>
wrote:

> The new addon v.surf.tps performs multivariate thin plate spline
> interpolation of sparse points with smoothing. If you ever wondered
> why worldclim data (http://worldclim.org) follow so nicely elevation,
> the reason is multivariate thin plate spline interpolation of
> meteorological station data with elevation as a covariate. The module
> can also be used for gap filling of remote sensing data, e.g. MODIS
> LST reconstruction of cloud-covered areas, after fine-tuning the
> module's parameters. The module works only with GRASS 7.2+.
>
> Markus M
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