[GRASS-user] Tracing dotted lines from raster (and convert to vector)

[Martin Landa]

Hi,

2008/5/23 Nikos Alexandris <nikos.alexandris at felis.uni-freiburg.de>:
[...]
> v.clean tool=rmdangle does halfway the job.
>
> How do I tell GRASS (v.clean?) to remove lines of small lentghs?

try v.edit, e.g.

v.edit map tool=delete query=length thresh=-1,0,-50 type=line

which removes from vector map all lines with length shorter than 50 map units

Martin

-- 
Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa *