[GRASS-user] r.mapcalc and us of max value

simogeo simon.georget at gmail.com
Thu Apr 25 07:22:46 PDT 2013


I'm able to get the max value of a raster map using the following command :

which return max = 45784578
and I use this value to create another raster like so :

Returns :

which appears to be correct

My question is : Is there a way to do it dynamically? I want to automatise
that into a bash script.

I've tried : /r.mapcalc "newrast = myrast * 100 / max(myrast)"/ expecting
max(myrast) returns here 45784578 (max value) with no success.

returns : 

which appears to be incorrect.

Any help would be appreciated.


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