Glynn Clements wrote:
Tim Michelsen wrote:
I have a large georeferenced digital map.
I successfully imported it into GRASS.
Now I would like to cut only a small rectangle -- my investigation
area -- out of this large map.
I used the following approach:
1) import the TIFF
2) select the part
First,
thanks to all who responded. I will try and apply that later.
6) use r.mapcalc to cut: r.mapcalc cut=if(boundary_raster, large_map,
null())
Replace step 6 with:
g.copy rast=boundary_raster,MASK
r.resample input=large_map output=cut
g.remove rast=MASK
Can someone
Hermann Peifer wrote:
I have a large georeferenced digital map.
I successfully imported it into GRASS.
Now I would like to cut only a small rectangle -- my investigation
area -- out of this large map.
I used the following approach:
1) import the TIFF
2) select the part of
Tim Michelsen wrote:
6) use r.mapcalc to cut: r.mapcalc cut=if(boundary_raster, large_map,
null())
Replace step 6 with:
g.copy rast=boundary_raster,MASK
r.resample input=large_map output=cut
g.remove rast=MASK
Can someone perhaps explain why steps 4 and 5 are
