[GRASS-dev] adding a flag to discard NULL values in mapalgebra aggregation functions

G. Allegri giohappy at gmail.com
Wed Jun 20 03:24:00 PDT 2012


>
> Shouldn't it be the default behavior?
>

I supposed it too, but it isn't ;)

giovanni


>
> ciao madi
>
>
>
>> This would let us do filtering (with row/columns offsets) as it is done
>> in r.neighbors, where the NULL values are directly discarded.
>>
>> giovanni
>>
>> [1]
>> http://trac.osgeo.org/grass/browser/grass/trunk/raster/r.mapcalc/xmax.c
>>
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>>
>
>
>
> --
> Dr. Margherita Di Leo
>
>
>
>
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