[GRASS-user] lowering resolution of the raster

GRASS GRASS user
1

  Given a raster, how do I produce a raster of the N times coarser
  resolution (and with the same extent), such as:

  * the values of the target raster's pixels are the mean values
    of the corresponding source raster's ones;

  * the same, but with the minimum being the value;

  * the same, but with the maximum being the value?

  Could all of the aforementioned rasters be produced ``in a
  single step''?

2

On Friday 29 February 2008, Ivan Shmakov wrote:

  Given a raster, how do I produce a raster of the N times coarser
  resolution (and with the same extent), such as:

  * the values of the target raster's pixels are the mean values
    of the corresponding source raster's ones;

  * the same, but with the minimum being the value;

  * the same, but with the maximum being the value?

  Could all of the aforementioned rasters be produced ``in a
  single step''?

_______________________________________________

see r.resamp.stats, it may do what you need

Dylan

--
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341