Thanks Glynn! with r.mfilter.fp i got the expected result, anyway i find a bit strange it does not works with r.neighborhood...
> From: [email protected] > Date: Tue, 3 Jun 2014 06:11:44 +0100 > To: [email protected] > CC: [email protected] > Subject: Re: [GRASS-user] About r.neighbors weight usage > You get a null result if the total number of values is zero. For a > weighted sum, "the total number of values" is the sum of the weights, > which in this case is zero. > > I'd suggest that r.mfilter may be more appropriate for implementing > discrete convolution (FIR) filters. > > -- > Glynn Clements <[email protected]>
_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
