[postgis-users] Routing

[Andrea Maschio]

Hi all, I was trying to import some topology table I have as a shape  
file, for experimenting with the routing functions of PGrouting.  
Actually I have managed to find the shortest path with the Kanagawa  
table provided as example app, but I was guessing what makes a table  
suitable for being "routed".

Kanagawa has a gid, a source and a target fields, a length field.  
source and target represents the nodes, while gid represents the  
branches (obviously there's a geometry column).

Btw, in the tables I found of my town, Padova, I have found no one of  
these fields or similar, even if who provided it said it was  
"topologically correct". At this point I am missing what exactly this  
means, if not that the rapresented geometry is a network of branches  
and nodes.

Thanks


Andrea Maschio
http://www.superandrew.it

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