Tomas,
nmax has a strong influence on kriging time. In some tests I've done,
interpolation time for and area with 520 rows x 430 cols ranged from
about 20 seconds for nmax=8 up to 20 HOURS for nmax =399.
best
Carlos
On 9/2/07, Tomas Lanczos <
[hidden email]> wrote:
> I am performing some kriging following the procedure as it is here:
>
http://casoilresource.lawr.ucdavis.edu/drupal/node/438>
> My problem is that the kriging proces is very slow, it takes approx. 7
> hours. Is the problem a too high resolution, or too much sampling points
> (2234)? How can I optimalize the process?
>
> My region setup is the following:
>
> projection: 1 (UTM)
> zone: 33
> datum: ** unknown (default: WGS84) **
> ellipsoid: bessel
> north: 5387295.0553002
> south: 5288130.42061478
> west: 652025.98376024
> east: 786301.92841404
> nsres: 150.02214022
> ewres: 150.02898844
> rows: 661
> cols: 895
> cells: 591595
>
> Many thanks
>
> Tomas
>
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--
+-----------------------------------------------------------+
Carlos Henrique Grohmann - Guano
Visiting Researcher at Kingston University London - UK
Geologist M.Sc - Doctorate Student at IGc-USP - Brazil
Linux User #89721 - carlos dot grohmann at gmail dot com
+-----------------------------------------------------------+
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