[postgis-devel] Q3C

Martin Davis mbdavis at refractions.net
Wed Mar 18 15:13:56 PDT 2009


That was my take too when I looked at Q3C.  The astronomy guys have it 
easy - they only care about points!

Paul Ramsey wrote:
> I reviewed Q3C this afternoon, and it's not the answer for geodetic
> support. It seems to be written to index points only, and it has a
> god-awful custom query syntax to hide the implementation details of
> using the octo-tree implementation it is based on. The old pg_sphere
> code is much closer to (in fact, is exactly) what we need, as it
> supports multiple types, not just points, and ordinary PgSQL SQL
> constructions.
>
> I'm having a grand time thinking about what the appropriate return
> value of geography::geometry is :)
>
> P.
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>   

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022




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