[GRASS-user] Downscaling rasters (resampling to LOWER resolution)

Dylan Beaudette dylan.beaudette at gmail.com
Wed Jun 18 16:10:40 EDT 2008

On Wednesday 18 June 2008, Paulo Marcondes wrote:
> Hi,
> What would be the recommended way to downsample a raster?
> my region resolution is currently 100m, say I want to resample my
> rasters at 300m.
> Why would I want to do that? Well, currently the data is too rough,
> but filtering may introduce some artifacts.
> I know I'll loose some information with the downscaling, but that is
> precisely what I want, because I deem the roughness to be just noise.
> I am not sure if just filtering would do the same.
> what would be the best way to achieve this?
> thanks.

r.resamp.stats (>=GRASS 6.3)

Dylan Beaudette
Soil Resource Laboratory
University of California at Davis

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