[postgis-users] Units for distance function

Michael Fuhr mike at fuhr.org
Thu Jul 26 22:55:50 PDT 2007

On Fri, Jul 27, 2007 at 06:26:36AM +0100, Mark Cave-Ayland wrote:
> So in short: make sure that you get PROJ.4 >= 4.5.0 and make sure that
> you add the parameter "+datum=OSGB36" to your spatial_ref_sys proj4text
> field for SRID 27700 if it isn't there already - see
> http://lists.maptools.org/pipermail/proj/2006-May/002265.html for the
> gory details (the +datum=airy was replaced by +datum=OSGB36 in the final
> commit).

The current spatial_ref_sys.sql doesn't have +datum=OSGB36 for SRID
27700 -- is there a reason it's not there?  Should it be present
for SRID 4277 as well?

Michael Fuhr

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