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

Function: st_pixelaspoint

Schema

public

Owner

postgres

Descriptions

args: rast, columnx, rowy - Returns a point geometry of the pixels upper-left corner.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_pixelaspoint (
 rast public.raster,
 x integer,
 y integer
)
RETURNS public.geometry AS
$span$
SELECT ST_PointN(ST_ExteriorRing(geom), 1) FROM _st_pixelaspolygons($1, NULL, $2, $3)
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

COMMENT ON FUNCTION public.st_pixelaspoint(rast public.raster, x integer, y integer)
IS 'args: rast, columnx, rowy - Returns a point geometry of the pixels upper-left corner.';

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