On Mon, Mar 25, 2013 at 3:29 PM, דור פרידמן <dof1...@gmail.com> wrote: > Hi All, > > I'm trying to use v.net distance as follows: > > I use 3 maps (2 point vectors for locations and 1 polyline vector for > roads). > I used v.net twice to connect points to the network as follows: > v.net input=myroads points=fillsite output=myroads_net1 operation=connect > thresh=6000 alayer=1 nlayer=2 > v.net input=myroads_net1 points=set1 output=myroads_net2 operation=connect > thresh=6000 alayer=1 nlayer=2 > > Than I have added a column to myroads_net2 named cost (double precision) and > updated it with the value 1, since I wanted all the roads to have the same > scale. > Than I was using v.net.distance as follows: > v.net.distance input=myroads_net2 output=test1 afcolumn=cost from_layer=2 > to_layer=3 > > In the manual it is written that a table will be created and linked to the > output map (test1) and will contain the from and to category and the > distance. The problem is that it doesn't happen: there are no geometrics > displayed by test1 and no tables attached to it. When I've tried to view the > attribute tables it has printed that I've to connect it to the database by > manage tables. > > What can be the problem and how can I fix it?
Can you post the output of v.category option=report for myroads_net2 and test1? Can you also post the output of v.db.connect -p test1? Markus M _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user