On Sun, Dec 5, 2010 at 2:04 PM, Lee Hachadoorian < lee.hachadooria...@gmail.com <lee.hachadoorian%...@gmail.com>> wrote:
> I need to add an SRID for a custom projection (specifically a Lambert > Conformal Conic used by New York City Dept of City Planning for their > publicly available geographic data). Does everyone just start numbering > from 1 in their local database, or are there any guidelines or does > anyone have any tips for assigning numbers? > >From the EPSG docs: The OGP Geodesy Subcommittee has reserved the integer range 0 to 32767 for > use as codes. As of dataset version 6.3, the integer range from 6,000,000 to > 6,999,999 was also reserved for codes for geographic CRSs in explicitly > described degree representations, but this is no longer supported. To > prevent conflict with future additions to the EPSG dataset, users who wish > to augment the data with their own information should utilise codes greater > than 32768. We started at 800,000 iirc. If there's a reasonable amount of data using the production, submit the documentation to EPSG and it should be officially included in the next release, they're pretty open to receiving new projections. Rob :)
_______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
