[GRASS-user] How to initialize raster maps.
Hamish
hamish_b at yahoo.com
Thu Dec 8 19:45:18 EST 2011
Marcello wrote:
> > But there is no way to avoid r.mapcalc, is there?
I doubt you'd get very much faster or more efficient even by
writing your own C module. (it would probably only take you a
minute to create a r.zero module out of the doc/raster/r.example
code; just change "return x;" to "return 0;" and compile.
> r.mapcalc "initialized_map=if(base_map>999999,1,0)"
...
Moritz
> r.mapcalc initialized_map=0
tip: to avoid all your scripts breaking when you want to use
grass7, always add a space around the '=' in r.mapcalc.
r.mapcalc "initialized_map = 0"
Hamish
More information about the grass-user
mailing list