[STATSGRASS] gstat limitation?

Edzer J. Pebesma e.pebesma at geo.uu.nl
Thu Aug 3 07:50:53 EDT 2006


Carlos "Guâno" Grohmann wrote:

> Hello
> I was wondering if gstat has any limitation about file size it can
> process. I want to resample a DEM of a large area (about 50x50 km, 30m
> res.) with kriging, but it get killed.
>
> Carlos
>
Have you tried setting the neighbourhood size to a limited value (e.g. 
to the 50 nearest observations)?
Not setting this will default to global kriging, requiring an n x n 
covariance matrix, with n the number of observations (!)
--
Edzer




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