On Tue, Sep 27, 2011 at 09:08:35AM -0600, Kenneth Xu wrote: > The PostGIS document says the dimension number can be 2, 3, 4. > 2 is for 2D like Point(x,y). > > If I want to create a table for pointm (x,y,m), what number should be used? > 2, or 3? > If I want to create a table for point (x,y,z), what dimension number should > be used? 3?
You use dimension number 3 for both, and the type would distinguish (eg: POINT vs POINTM) --strk; () Free GIS & Flash consultant/developer /\ http://strk.keybit.net/services.html _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
