[GRASS-user] r.mapcalc problem ?

Martin Landa landa.martin at gmail.com
Sat Jul 4 16:31:25 EDT 2009


2009/7/4 Nikos Alexandris <nikos.alexandris at felis.uni-freiburg.de>:


>> yes,
>>   -n   Make null cells opaque
>> in GRASS7 null cells are displayed transparent by default (in GRASS6
>> you have to use '-o' flag for that).
> So it's just that "-o" changed to "-n" (?).

-o has opposite meaning of -n


 -o   Overlay (non-null values only)

I.e. in GRASS7 are null values displayed opaque by default.


Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa

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