[GRASSLIST:6377] Fwd: Re: Re: r.terraflow and r.water.outlet

[swlab]

Eric Hillmuth [Friday 08 April 2005 12:40] :
> OK, that makes sense. If I use the -s flag to force r.terraflow to use
> SFD will my flow directions be 1-8 rather than 0-255?

Nope, the values will still be between 0 and 128, but as 1,2,4,8,16,32,64,128 
only: you'll still have to postprocess your data to get it to a number 
between 1 and 8. And make sure that the way the directions are reported in 
r.watershed are consistent (viz, 1 is E and you go clockwise) 


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