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

Function: st_clip

Schema

public

Owner

postgres

Descriptions

There is no description for function st_clip

Options

Definition

CREATE OR REPLACE FUNCTION public.st_clip (
 rast public.raster,
 nband integer [],
 geom public.geometry,
 nodataval double precision [] = NULL::double precision[],
 crop boolean = true
)
RETURNS public.raster AS
$span$
BEGIN
-- short-cut if geometry's extent fully contains raster's extent
IF (nodataval IS NULL OR array_length(nodataval, 1) < 1) AND geom ~ ST_Envelope(rast) THEN
RETURN rast;
END IF;

RETURN _ST_Clip($1, $2, $3, $4, $5);
END;
$span$
LANGUAGE 'plpgsql'
IMMUTABLE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 100;

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