[postgis-users] Units for distance function
mike at fuhr.org
Thu Jul 26 20:47:51 PDT 2007
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.
More information about the postgis-users