[postgis-users] spatial_ref_sys

[trevorw]

On Wed, 17 May 2006 10:37:50 +0200
Markus Schaber <schabi at logix-tt.com> wrote:

> Hi, Trevor,
> 
> trevorw wrote:
> > I'm working in Alberta which uses a modified Transverse Mercator
> > projection (called 10TM) for provincial scale data.
> > 
> > AFAIK there is no entry in spatial_ref_sys to describe this
projection.
> > Is there some protocol by which an entry might be added to future
> > versions of PostGIS and is there a recommended procedure for
numbering
> > my own entry to avoid conflicts with future versions?
> 
> Yes. Currently, PostGIS losely synchronizes from Proj, and the Proj
team
> losely synchronizes from the EPSG database, which is the best free
> collection of such projections.
....

Thanks Markus. I check and 10TM isn't in EPSG or proj4. I posted a
request for its addition to proj4. I'll notify the list once I hear a
reply.

T
-- 
Trevor Wiens