[postgis-users] RE: Spatial query for the Nearest location given alat and long?

bdbeames bdbeames at cc.usu.edu
Mon Aug 13 13:34:39 PDT 2007


Results

Ok, I think it is working.

Here what I got for future reference

Given a $latitude and $longitude point I query table_1 to find the
closest/nearest location points.

SELECT id, name,
   distance_sphere(GeomFromText('POINT('|| $longitude ||' '|| $latitude
||')'), 
   GeomFromText('POINT('|| table_1.longitude ||' '|| table_1.latitude
||')')) as dist
FROM table_1 
WHERE active = 't' 
ORDER BY dist LIMIT 5;

Thanks again for all the help
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