[GRASS-user] intersection of network-lines and areas

achim ak7 at jupiter.uni-freiburg.de
Mon Mar 2 08:31:58 EST 2009

...but how can I query my raster-streams in r.water.outlet? I cannot
write in all points manually. Do I have to write a script for that?


Markus Metz schrieb:
> achim wrote:
>> Hello,
>> I cannot find a solution for extracting those areas that are crossed by
>> a line. And further to find out, what areas are crossed by a network of
>> lines in order to union them into one area.
>> Its for combining subbasins which are part of a certain rivernetwork.
> What about r.water.outlet? You can get the exact coordinates for the the
> outlet point from the existing river network. Best would be to use the
> stream segments output of r.watershed as river network. That should give
> you the one area you are looking for.

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