[GRASS-user] Re: null to equal zero

[Daniel Victoria]

or check out r.null command. You can convert any value to null and vice-versa

Daniel

On Thu, Mar 18, 2010 at 6:26 AM, Achim Kisseler
<ak7 at jupiter.uni-freiburg.de> wrote:
> Hi Gary,
>
>> so
>> r.mapcalc "result=if( isnull(Bones_AVE),0,outputmap)"
>>
>> Is that right, no need for A=Bones_AVE?
>> could the output map be the original? Or does it have to be a new raster?
>
> r.mapcalc "result=if( isnull(Bones_AVE),0,Bones_AVE)"
>
> and yes, it can be the original
>
> r.mapcalc "Bones_AVE=if( isnull(Bones_AVE),0,Bones_AVE)"
>
> Achim
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