[postgis-users] Newbie questions: SRIDs, function return values

Andy Anderson aanderson at amherst.edu
Thu May 15 08:15:02 PDT 2008

On Wednesday, May 14, 2008 6:36 PM, Paul Ramsey wrote:

> The zillow data is in lat/lon, so use -s 4326.

This isn't quite accurate. SRID = 4326 is the WGS84 datum, while  
Zillow uses NAD83:


which is SRID = 4269. The difference is generally small, but it could  
be important in some circumstances.

-- Andy

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