[GRASS-user] how to select island polygons with grass

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Wed Jun 25 11:02:32 EDT 2008


On Wed, 2008-06-25 at 16:59 +0200, Markus Neteler wrote:
> 
> > p.s. exist any possibilities to select geometries with other
> topological
> > criteria, for example dangle lines. i know that is possible to
> delete
> > them with clean but i am looking for a possibility only to select
> them
> 
> v.edit can select:
> http://grass.osgeo.org/grass64/manuals/html64_user/v.edit.html
> 
> In the new digitizer in wxpython there should be such functionality
> to catch dangles.

Helpful might be also the "error map" (?)

v.clean [...] error=error_map



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