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Do any know another application like pgrouting? [duplicate]

Possible Duplicate: Alternatives to pgRouting I'm using pgrouting to generate routes over a network based on navteq information. It look like a good application but I would like to know if ...
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Geometry of edges created after using osm2pgsql

I used osm2pgsql to convert osm data to postgresql. Now I have a table with edges and they have geometry like multilinestring. I am not sure what is meant be geometry of an edge. An edge is supposed ...