[GRASS-user] extract stream heads

Markus Metz markus.metz.giswork at googlemail.com
Tue Dec 29 03:55:50 EST 2009


Milton Cezar Ribeiro wrote:
> Dear all,
>  
> I am (finally :-) extracting the drainage from a DEM
> using r.stream.extract. How can I extract also
> the stream heads?
In the vector output of r.stream.extract, stream heads are all points 
with stream_type = 'start' in layer 1 or cat = 0 in layer 2. See also 
Options, stream_vect in the manual ;-)

Markus M



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