[postgis-users] source and target vertex for multiple edges

Sandro Santilli strk at kbt.io
Mon Feb 21 06:55:02 PST 2022

On Sun, Feb 20, 2022 at 11:08:49AM -0500, Travis Kirstine wrote:
> Hi all I may have a relatively simple question but I don't have much
> experience with routing.  I have a road network with topology built and I'd
> like to find the source and target ids from multiple edges.  For example:

PostGIS Topology is for planar topology, not network topology.
There's a separate ISO standard for Network Topology which is
currently not implemented in PostGIS. Willing to contribute
an implementation ?


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