On Fri, Jul 27, 2007 at 01:49:28AM +0100, Dave Potts wrote: > What units does the distance function use? am I correct in thinking its > derrived from the srid type of the geometry column?
Distance/st_distance returns the distance between two geometries in whatever units the geometries use (meters, feet, degrees, etc.). > So in the case of the British national grid srid 2770 the correct unit > to use is the meter I assume you mean SRID 27700, in which case distances would be meters. -- Michael Fuhr _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
