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

Function: st_transscale

Schema

public

Owner

postgres

Descriptions

args: geomA, deltaX, deltaY, XFactor, YFactor - Translates the geometry using the deltaX and deltaY args, then scales it using the XFactor, YFactor args, working in 2D only.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_transscale (
 public.geometry,
 double precision,
 double precision,
 double precision,
 double precision
)
RETURNS public.geometry AS
$span$
SELECT ST_Affine($1,  $4, 0, 0,  0, $5, 0,
0, 0, 1,  $2 * $4, $3 * $5, 0)
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

COMMENT ON FUNCTION public.st_transscale(public.geometry, double precision, double precision, double precision, double precision)
IS 'args: geomA, deltaX, deltaY, XFactor, YFactor - Translates the geometry using the deltaX and deltaY args, then scales it using the XFactor, YFactor args, working in 2D only.';

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