Hi List,
how do I check if two 3d-point sets overlap? I see the && operator should be able to compare the bounding boxes, but how do I do it? I can not get the && or ST_Intersects function to work. Here is what I am trying to do:

SELECT ST_Collect(pkt) FROM pktbsp && ST_Collect(pkt) FROM pktbsp2;

pkt are GeometryColumns filled with 3dpoints. pktbsp and pktbsp2 are the respective tables.

How can I check this?

Reagrds,
Jan


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