Hi all,
I'm a python newbie so have some patience :-)
I'm trying to use r.mapcal with the grass.py function 'run_command' in
this way:
e = "%s=%s-%s" % (out, dsm, dtm)
grass.run_command('r.mapcalc', expression = e)
However, the new raster in "%out" doesn't appear, and a new raster
called 'expression' is created instead.
I also tried with:
grass.run_command('r.mapcalc', expression = "%s=%s-%s" % (out, dsm, dtm))
with the same result. And also with:
grass.run_command('r.mapcalc', %s = "%s-%s" % (out, dsm, dtm))
which threw at me an execution error.
Any suggestion?
Thanks in advanced,
Roberto.
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