On Mon, Oct 6, 2014 at 2:25 PM, Anna Petrášová <[email protected]> wrote: > On Mon, Oct 6, 2014 at 4:51 AM, Pietro <[email protected]> wrote: >> Again everything is NULL, I'm doing something wrong or it is a bug? > > > Glynn could perhaps give you some more precise comment, but basically, max > doesn't operate on the entire map but only on the current cell. So for > example, r.macalc "map_max = max(elevation1, elevation2, elevation3)" > creates a map where each cell is the largest value of the corresponding > cells in the 3 elevation maps.
Ahh, I misunderstood the documentation I thought it was not pixel by pixel but for the whole raster map... now the results are explained! :-) Perhaps we could add two new functions, like: rmin and rmax that stay for range min and range max that give this information, do you think could be useful? _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
