There is a group working on a GIS front end to PostgreSQL over at:
http://fmaps.sourceforge.net/
Also, take a look at:
http://www.ossim.org/
More information can be found at:
http://freegis.org/
T.
Brook Milligan wrote:
>
> For example? We use the point type for doing long/lat coordinates, and
> for calculating distance between places on one of our projects ... but I
> take it you are thinking of something more elaborate then that?
>
> Yes. I was thinking of a 3D coordinate system and the various
> transformations needed to span the globe, take into account
> measurement errors, etc.
>
> Cheers,
> Brook
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/