[GRASS-user] Extrac values with r.mapcalc

[Gaspar Reyes Póndigo]

Thanks Markus.

I did test with r.mapcalc novo_raster = if"(mi flat_map==0.0234)", but the map is not appropiate. I know the area of value (0.0234), but is not is equal in the novo_raster.


El 13/04/2011, a las 17:27, Markus Neteler escribió:

> 2011/4/13 Gaspar Reyes Póndigo <gos47 en hotmail.com>:
>> Hello, Dear grass_user. My first forum participation in the grass_user list
>> email.
> 
> Welcome!
> 
>> How to extract values of map raster with r.mapcalc? I need make new map
>> raster based on specific value  of other raster.
> 
> Please take a look at the if() conditions:
> 
> http://grass.osgeo.org/grass64/manuals/html64_user/r.mapcalc.html
> 
> Therein is also a section EXAMPLES.
> 
> Markus
> 
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