[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?
thanks,
achim
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.
More information about the grass-user
mailing list