[GRASS-user] v.water.outlet

[Massimiliano Cannata]

Moreover,
check that your dem has sinks filled (r.fill.dir)

Bye,
Maxi


On 01/04/2012 08:55 PM, Micha Silver wrote:
> On 01/04/2012 07:27 PM, Paolo Cavallini wrote:
>> Hi all.
>> I tried this command, but I always get a map full of 0. I start from 
>> a drainage map from r.watershed, as described. Anyone confirms, or am 
>> I doing something wrong?
>> All the best.
>>
> I guess you mean r.water.outlet?
>
> You probably know already, but maybe it's worth repeating:
>
> 1- The input must be the drainage *direction* map from r.watershed.
>
> 2- And it's crucial that the easting and northing parameters for the 
> outlet point lay exactly on a stream. Zoom in very close to the 
> streams raster at the outlet point and check for the exact coordinates.
>
>
> -- 
> Micha Silver
> GIS Consultant, Arava Development Co.
> http://www.surfaces.co.il
>
>
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> grass-user at lists.osgeo.org
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-- 

Dr. Eng. Massimiliano Cannata
Responsabile Area Geomatica
Istituto Scienze della Terra
Scuola Universitaria Professionale della Svizzera Italiana
Via Trevano, c.p. 72
CH-6952 Canobbio-Lugano
Tel: +41 (0)58 666 62 14
Fax +41 (0)58 666 62 09

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