Schema
public
Owner
albenard
Descriptions
args: linestringA, linestringB - Given 2 linestrings, returns a number between -3 and 3 denoting what kind of crossing behavior. 0 is no crossing.
Options
Option | Value |
---|---|
Returns |
integer |
Language |
sql |
Parameters |
geom1 public.geometry geom2 public.geometry |
Definition
CREATE OR REPLACE FUNCTION public.st_linecrossingdirection (
geom1 public.geometry,
geom2 public.geometry
)
RETURNS integer AS
$span$
SELECT CASE WHEN NOT $1 OPERATOR(public.&&) $2 THEN 0 ELSE public._ST_LineCrossingDirection($1,$2) END
$span$
LANGUAGE 'sql'
IMMUTABLE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 100;
COMMENT ON FUNCTION public.st_linecrossingdirection(geom1 public.geometry, geom2 public.geometry)
IS 'args: linestringA, linestringB - Given 2 linestrings, returns a number between -3 and 3 denoting what kind of crossing behavior. 0 is no crossing.';
This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 26/02/2014 11:51 |