Name
TopoElement — Converts a topogeometry to a topoelement.
Synopsis
topoelement TopoElement(topogeometry topo);
Examples
This is a full self-contained workflow
-- do this if you don't have a topology setup already
-- Creates topology not allowing any tolerance
SELECT TopoElement(topo)
FROM neighborhoods;
-- using as cast
SELECT topology.TopoElementArray_Agg(topo::topoelement)
FROM neighborhoods
GROUP BY city;