On Tue, Nov 4, 2014 at 11:17 PM, matteo marcantonio <[email protected]> wrote: > Hello list, > > I'm writing since I need to clean a line vector (road network) removing all > the line segments not connected to other segments. I guess that I need to > remove all the segment that have valence = 0. > > I need to remove them to perform a network distance analysis avoiding the > issue of unreachable nodes. > > Is there any way to do it?
You could use v.net.alloc with one node and then extract the allocated network. This will automatically discard all lines not connected to this node. Markus M > > Thanks for any help > > Matteo > > -- > -- > Matteo Marcantonio > > PhD Candidate > GIS & Remote Sensing > Fondazione Edmund Mach (FEM) - Research & Innovation Centre (CRI) > > [email protected] > > +39 461615669 (Office) > +39 3204240538 (Mobile) > > http://gis.cri.fmach.it > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
