[GRASSLIST:4495] Re: aggregate a higher resolution to a lower resolution

[Glynn Clements]

Ulrich Leopold wrote:

> I would like to aggregate my map from a 250x250m resolution to a 500x500m 
> resolution. If I use resample the nearest neighbor is used. Is there a 
> possibility to just average 4 250x250m blocks (like overlay a grid and 
> average) instead of nearest neigbor? So that I derive a mean and a variance?

Apart from r.resample, there's also r.resamp.rst, which does spline
interpolation. However, I'm not aware of anything which resamples
using a simple average.

-- 
Glynn Clements <glynn.clements at virgin.net>