hi, I have an issue while doing a shortest path between two points in grass 6.2: GRASS 6.2.0 (spearfish60):~ > echo "1 2 4" | v.net.path in=roads out=road1 Building graph: Registering arcs ... 100% Flattening the graph ... done. Graph was built. WARNING: No point with category 2 WARNING: No point with category 4 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
can you help mwe with this,plz thanking you, Jainita
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