On Wed, Dec 31, 2008 at 7:09 PM, José María Michia <[email protected]> wrote: > 2008/12/31 Markus Neteler <[email protected]>: >> Hi José, >> >> On Wed, Dec 31, 2008 at 8:39 AM, José María Michia >> <[email protected]> wrote: >>> Hello everyone. I'm trying v.net.salesman module. I followed the >>> instructions in the manual page. All tests are good, except one case, >>> which returns the following error: >>> >>>> v.net.salesman myroads_net ccats=1-237 out=mysalesman2 >>> Number of cities: [237] >>> Building graph... >>> Registering arcs... >>> 100% >>> Flattening the graph... >>> Graph was built >>> ERROR: Destination node [604] is unreachable from node [1045] >>> >>> The range 1-237 refers to all nodes in the network. >>> >>> I can not find a way of relate [604] and [1045] with categories. >> >> Are you using the Spearfish data set? > > Not, I'm using my own dataset.
Did you try v.net to connect the missing nodes? http://grass.osgeo.org/grass64/manuals/html64_user/v.net.html Perhaps that solves the problem. Additionally, d.vect can show node numbers with disp=topo This should, in combination with d.zoom help to identify the (I suppose) data problem. Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
