on defining an "intersects or overlaps" operator for path and polygons

From: Gautam H Thaker <gthaker(at)atl(dot)lmco(dot)com>
To: pgsql-general(at)postgresql(dot)org
Cc: gthaker(at)atl(dot)lmco(dot)com
Subject: on defining an "intersects or overlaps" operator for path and polygons
Date: 1998-07-13 20:58:29
Message-ID: 35AA74F5.BCA01B85@atl.lmco.com
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Hello,

I wish to use the "intersects or overlaps" geometric operator
between a path and a polygon. My questions are:

1) How hard would this be to add to the system?
2) What would it take to get the R-tree indexing system to be
be used to speed up queries involving such an operator?

Thanks.

Gautam H. Thaker
Distributed Processing Lab; Lockheed Martin Adv. Tech. Labs
A&E 3W; 1 Federal Street; Camden, NJ 08102
609-338-3907, fax 609-338-4144 email: gthaker(at)atl(dot)lmco(dot)com

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