[GRASS-user] need help computing all flow routing for large DEM

[Markus Metz]

On Wed, Nov 21, 2018 at 9:40 AM Ken Mankoff <mankoff at gmail.com> wrote:
>
> Hi Markus,
>
> > On 2018-11-20 at 09:56 +0100, Markus Metz <markus.metz.giswork at gmail.com>
wrote:
> >> You don't need r.watershed or r.terraflow for this purpose., You can
> >> run r.stream.extract with a DEM as the only input, then you get the
> >> outlets and can feed them to r.stream.basins.
>
> Thank you for suggesting this workflow. It works well and quickly!

Strange. r.stream.extract is usually a bit slower than r.watershed.

Markus M

>
>   -k.
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