AW: [GRASS-user] Problems with r.terraflow and r.thin

[Maciej Sieczka]

Christian Braun wrote:
> Thanks for your answer, I missunderstood the meaning of r.thin. But
> how can I get rather compact and smooth polygons representing
> watersheds without any slivers or attached/appended fractals of the
> size of one raster cell? Is it possible to solve such a problem with
> v.clean or something like a "raster smoothing" with r.neighbour?

The v.generalize module, not yet in GRASS CVS, might be the tool. Look
at the man page [1]. You can fetch it from the AddOns SVN repository
[2] as a tarball and build from source. Sorry I can't provide more
detailed info. There are Folks on the GRASS list who can be of more
help in this regard.

[1]https://grasssvn.itc.it/grasssvn/grassaddons/trunk/grassaddons/v.generalize/description.html
[2]https://grasssvn.itc.it/grasssvn/grassaddons/trunk/grassaddons/

Maciek