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

Function: st_makeemptyraster

Schema

public

Owner

postgres

Descriptions

args: width, height, upperleftx, upperlefty, pixelsize - Returns an empty raster (having no bands) of given dimensions (width & height), upperleft X and Y, pixel size and rotation (scalex, scaley, skewx & skewy) and reference system (srid). If a raster is passed in, returns a new raster with the same size, alignment and SRID. If srid is left out, the spatial ref is set to unknown (0).

Options

Definition

CREATE OR REPLACE FUNCTION public.st_makeemptyraster (
 width integer,
 height integer,
 upperleftx double precision,
 upperlefty double precision,
 pixelsize double precision
)
RETURNS public.raster AS
$span$
SELECT st_makeemptyraster($1, $2, $3, $4, $5, -($5), 0, 0, ST_SRID('POINT(0 0)'::geometry))
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

COMMENT ON FUNCTION public.st_makeemptyraster(width integer, height integer, upperleftx double precision, upperlefty double precision, pixelsize double precision)
IS 'args: width, height, upperleftx, upperlefty, pixelsize - Returns an empty raster (having no bands) of given dimensions (width & height), upperleft X and Y, pixel size and rotation (scalex, scaley, skewx & skewy) and reference system (srid). If a raster is passed in, returns a new raster with the same size, alignment and SRID. If srid is left out, the spatial ref is set to unknown (0).';

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