[GRASSLIST:6372] Re: r.terraflow and r.water.outlet

Massimiliano Cannata massimiliano.cannata at supsi.ch
Fri Apr 8 11:23:04 EDT 2005

I really don't know about r.water.outlet but while r.whatershed generate
flow direction with a D4 or D8 algorithm while r.terraflow use a Dinf
algorithm (6 month ago the -s flag was not working, maybe now is fixed,
maybe not.... try to test....).

Hope it can help.

Eric Hillmuth wrote:

> Has anyone had any luck using the results from r.terraflow in 
> r.water.outlet? More specifically I want to use the output direction 
> grid from  r.terraflow for the  drainage direction map input of 
> r.water.outlet.  The r.water.outlet documentation only refers to using 
> a drainage direction map generated in r.watershed.


Eng. Massimiliano Cannata
Scuola Universitaria Professionale della Svizzera Italiana
Istituto Scienze della Terra
Via Trevano, c.p. 72
CH-6952 Canobbio-Lugano
Tel: +41 (0)91 935 12 25
Fax +41 (0)91 935 12 09

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