[postgis-users] Topology GetRingEdges
strk at keybit.net
Mon Apr 30 02:51:12 PDT 2012
On Fri, Apr 27, 2012 at 01:11:27PM -0700, Bob Pawley wrote:
> I have established the schema and tables as outlined in the documentation example 11.8 TopoGeometry Constructors.
> However, I am still missing something.
> When I run GetRingEdges -
> select topology.GetRingEdges('TEST', 1), entities.wkb_geometry
> from entities, num_search
> where st_intersects(entities.wkb_geometry, num_search.the_geom2);
> The return are only the geometries which are actually intersected by st_intersects.(In this particular case only four of the eight lines that make up the polygon).
> I was hoping the whole closed geometry to be returned.
> What am I missing??
I don't understand what your query above is trying to select.
You are calling GetRingEdges with a constant edge id, why so ?
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