You need PostGIS if you want GIS data types and functions. PostgreSQL has some built in geometry types but it doesn't know anything about spatial reference systems or have a myriad of useful spatial data management and analysis functions.
Sean On Jul 23, 10:50 am, Patrick Gostovic <p...@phranq.com> wrote: > Hi. > > I've installed the postgresql 9.0 macports package and it seems like I have > some spatial features already without explicitly installing PostGIS; I > created a table with column of type POINT. I've noticed that macports does > have a postgis package. Do I actually need it? I guess I'm just really > fuzzy as to exactly what PostGIS is relative to Postgres. > > Any info would be appreciated. Thanks! > > Patrick > _______________________________________________ > postgis-users mailing list > postgis-us...@postgis.refractions.nethttp://postgis.refractions.net/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
