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. > I have replicated the example of the man page without problems. > Additionally, I have tried yours: > > GRASS 6.4.svn (spearfish60):~ > v.net.salesman myroads_net ccats=1-237 > out=mysalesman2 > Number of cities: [6] > Building graph... > Registering arcs... > 100% > Flattening the graph... > Graph was built > > Cycle: > Arcs' categories (layer 1, 107 arcs): > 4,4,4,4,4,4,5,5,4,2,2,4,4,4,5,5,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,2,2,2,2,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,4,4,4,4,4,4,4,4,4,4,2,2,2,4,4,2,2,2,2,2,2,2,2,5,5,5,5,4,4,4,4,4,4,4,4,4,4,4,4,4 > > Nodes' categories (layer 2, 107 nodes): > 2,1,6,5,4,3 > > Building topology for vector map <mysalesman2>... > Registering primitives... > 113 primitives registered > 872 vertices registered > Building areas... > 100% > 0 areas built > 0 isles built > Attaching islands... > Attaching centroids... > 100% > Number of nodes: 107 > Number of primitives: 113 > Number of points: 6 > Number of lines: 107 > Number of boundaries: 0 > Number of centroids: 0 > Number of areas: 0 > Number of isles: 0 > > -> no problem. > > Question: Which GRASS version are you using, whih operating system? > > I am using 6.4.0RC1 here. I am using grass compiled from SVN (downloaded few weeks past). > > Markus > Thanks Markus Saludos José María _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
