[QGIS-Developer] Storing topology information in a vector layer (format)?

[Sandro Santilli]

On Sat, Mar 07, 2020 at 01:51:49AM +0100, Stefan Keller wrote:

> Are there any ideas to store topology in a polygon vector layer (e.g.
> as array of features IDs to reference polygon neighbors), so a reader
> (a PyQGIS function/extension) doesn't have to rebuild the topology
> every time?

You may try storing your topology in a PostgreSQL database using
PostGIS Topology.

--strk;