[GRASS-user] subsampling to a coarser resolution

[Jose Gomez-Dans]

Hi,

2009/9/2 jamesmcc <jlmccreight at gmail.com>

>
> I have a raster at 30m resolution in which is nested another raster at 1.5m
> resolution. I want to average the 4 points in the center of the higher res
> raster (in [row,col] enumerating from 1: [10,10], [10,11], [11,10] and
> [11,11]) and assign this to the nesting cell of the lower res raster. Of
> course I want to do this over all cells in the raster, which is say 10x10.
>

While you can do this with GRASS, I tend to do these sort of processes with
python and GDAL/OGR. If you are interested, I have put some notes here:
< http://sites.google.com/site/spatialpython/>

Jose
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