[GRASS-user] How to link or combine adjacent vector lines

[Hamish]

Hamish wrote:
> so it becomes the classic "river mile" / "river centerline"
> problem, and if you have a good solution to that (especially for cases
> when there are shoals and islands in the middle of the river and you don't
> have full riverbed bathymetry to find the thalweg) I'd be very
> interested to hear about it.

see also
 http://thread.gmane.org/gmane.comp.gis.grass.devel/36271
 http://article.gmane.org/gmane.comp.gis.grass.devel/36294
 http://article.gmane.org/gmane.comp.gis.grass.user/22097


Hamish