[postgis-users] Re: SRID for USA_Lambert_Conformal_Conic

[Matthew Perry]

On 8/20/06, P Kishor <punkish at eidesis.org> wrote:
> Humour me. SetSRID(geometry, integer) and Transform(geometry, integer)
> seem/sound almost the same. Is SetSRID more permanent, while Transform
> is more for on the fly retreival of data?

SetSRID defines what the current spatial reference of the existing
geometry is. No actualy transforming/reprojecting will be done.

 Transform reprojects the geometry from it's native spatial reference
(ie as defined by SetSRID) to another.

-- 
Matt Perry
perrygeo at gmail.com
http://www.perrygeo.net