[postgis-users] Calculate driving distance in postgis

[strk at refractions.net]

On Fri, Feb 03, 2006 at 01:42:37PM +0100, Daniel wrote:
> Basically, pgDijkstra is a postgresql extension to compute shortests 
> paths in any graph (not only geographical ones)
> 
> What's your idea ? (I'm not sure I really understand what u mean)

Things like returning a shortest-path LineString given two
Node IDS, for example.
Actually postgis currently just has a draft implementation 
of the ISO topology model. This will likely require implementation
of the ISO network topology model instead (where connections
are explicit).

--strk;