[postgis-users] Checking Road Network Topology

Sandro Santilli strk at keybit.net
Thu Jan 22 12:53:02 PST 2015

On Thu, Jan 22, 2015 at 04:13:44PM +0100, toni hernández wrote:
> Steve,
> I had the same issue when working with geometries using srid=4326 .
> I was also following the same link (http://blog.mathieu-leplatre.info/use-postgis-topologies-to-clean-up-road-networks.html)
> Then I tried with some projected geometries (units = meters) and the
> problem was gone. I am not sure why. Maybe it was just a
> coincidence.

Can it be you're specifying a too large of a precision for your
topologies in srid=4326 ?


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