Hi, that is not an error - you just did not calculate anything, because of "WARNING: 2 points of given category missing"
are you sure, there are points with categories 1 and 2 in your input file? j [EMAIL PROTECTED] píše v Po 10. 12. 2007 v 15:15 +0530: > hi, > while doing shortest path in grass i get the below error: > echo "1 1 2" | v.net.path mydgn_net afcol=forward abcol=backward out=myp > Building graph: > Registering arcs ... 100% > Flattening the graph ... done. > Graph was built. > WARNING: 8032 points without category (nfield: 2). > WARNING: No point with category 1 > WARNING: No point with category 2 > Attributes: > cat - path unique category assigned by module > id - path id (read from input) > fcat - from point category > tcat - to point category > sp - result status: > 0 - OK, path found > 1 - node is not reachable > 2 - point of given category does not exist > cost - travelling costs (on the network, not to/from network) > fdist - the distance from first point to the network > tdist - the distance from the network to second point > WARNING: 2 points of given category missing > Building topology ... > 0 primitives registered > 0 areas built > 0 isles built > Attaching islands: > Attaching centroids: Topology was built. > Number of nodes : 0 > Number of primitives: 0 > Number of points : 0 > Number of lines : 0 > Number of boundaries: 0 > Number of centroids : 0 > Number of areas : 0 > Number of isles : 0 > > Kindly, assisty me with this > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user -- Jachym Cepicky e-mail: [EMAIL PROTECTED] URL: http://les-ejk.cz GPG: http://www.les-ejk.cz/pgp/jachym_cepicky-gpg.pub
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