[postgis-users] Re: SRID for lat/long?

[Patrick]

On 22-Oct-2005, "Rick Schumeyer" <rschumeyer at ieee.org> ever so gracefully
noted:

> Sorry to ask another potentially dumb question, but in looking through the
> SRID table I did not see an entry corresponding to geodetic (lat/long)
> coordinates.  Everything seems to be projections (like UTM).
>
>
>
> Is there an SRID for lat/long?

Rick,

If you look in spatial_ref_sys you will find that all records where the
srtext field starts with GEOGCS (as opposed to PROJCS) denote CRSs in
lat/long. Be sure to check the full string, though, because there are
different types of GEOGCS: geocentric, geodetic, etc.

Patrick