pggeodb.nancy.inra.fr/db_toff - db_toff on pggeodb.nancy.inra.fr

Function: st_distancesphere

Schema

public

Owner

postgres

Descriptions

args: geomlonlatA, geomlonlatB - Returns minimum distance in meters between two lon/lat geometries. Uses a spherical earth and radius derived from the spheroid defined by the SRID. Faster than ST_DistanceSpheroid , but less accurate. PostGIS versions prior to 1.5 only implemented for points.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_distancesphere (
 geom1 public.geometry,
 geom2 public.geometry
)
RETURNS double precision AS
$span$
select public.ST_distance( public.geography($1), public.geography($2),false)
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 300;

COMMENT ON FUNCTION public.st_distancesphere(geom1 public.geometry, geom2 public.geometry)
IS 'args: geomlonlatA, geomlonlatB - Returns minimum distance in meters between two lon/lat geometries. Uses a spherical earth and radius derived from the spheroid defined by the SRID. Faster than ST_DistanceSpheroid , but less accurate. PostGIS versions prior to 1.5 only implemented for points.';

This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 13/03/2014 13:23