[postgis-users] ST_SimplifyPreserveTopology creates invalid geometry

Paul van der Linden paul.doskabouter at gmail.com
Tue Mar 10 10:19:22 PDT 2020

> This is a known bug in the Topology-Preserving Simplfier.  For instance
> https://github.com/locationtech/jts/issues/428
> I'll add your example to the ticket.  Hopefully this can be fixed sometime
> soon.

And what about ST_MakeValid converting that hole into an outerring instead
of just discarding it?
Is that something that's worth a discussion?

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