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

Function: st_disjoint

Schema

public

Owner

postgres

Descriptions

args: rastA, nbandA, rastB, nbandB - Return true if raster rastA does not spatially intersect rastB.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_disjoint (
 rast1 public.raster,
 nband1 integer,
 rast2 public.raster,
 nband2 integer
)
RETURNS boolean AS
$span$
SELECT CASE WHEN $2 IS NULL OR $4 IS NULL THEN st_disjoint(st_convexhull($1), st_convexhull($3)) ELSE NOT _st_intersects($1, $2, $3, $4) END
$span$
LANGUAGE 'sql'
IMMUTABLE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 1000;

COMMENT ON FUNCTION public.st_disjoint(rast1 public.raster, nband1 integer, rast2 public.raster, nband2 integer)
IS 'args: rastA, nbandA, rastB, nbandB - Return true if raster rastA does not spatially intersect rastB.';

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