[GRASS-user] r.stream.extract Syntax Problem

[Margherita Di Leo]

Rich,

On Fri, Apr 6, 2012 at 5:41 PM, Rich Shepard <rshepard at appl-ecosys.com>wrote:

> On Fri, 6 Apr 2012, Margherita Di Leo wrote:
>
>  AFAIK (but surely Markus Metz will give an insight) r.stream.extract must
>> run with flow accumulation produced by r.watershed. In order to use a
>> weighted flow accumulation, I would produce it using the r.watershed
>> command with the option "flow", instead of mapcalc.
>>
>
> madi,
>
>  As I wrote, I've been following the example on the manual page, so
>
> # calculate flow accumulation
> r.watershed ele=elevation.10m at PERMANENT acc=elevation.10m.acc -f
>
> I've run r.watershed elev=dem10m.avg accum=dem10m.acc -f


I meant something like:

r.watershed ele=elevation.10m at PERMANENT acc=elevation.10m.weight_acc
flow=weight -f



>
> Rich
>
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-- 
Ing. Margherita Di Leo, Ph.D.
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