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

Function: st_rescale

Schema

public

Owner

postgres

Descriptions

args: rast, scalex, scaley, algorithm=NearestNeighbour, maxerr=0.125 - Resample a raster by adjusting only its scale (or pixel size). New pixel values are computed using the NearestNeighbor (english or american spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. Default is NearestNeighbor.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_rescale (
 rast public.raster,
 scalex double precision,
 scaley double precision,
 algorithm text = 'NearestNeighbour'::text,
 maxerr double precision = 0.125
)
RETURNS public.raster AS
$span$
SELECT _st_gdalwarp($1, $4, $5, NULL, $2, $3)
$span$
LANGUAGE 'sql'
STABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

COMMENT ON FUNCTION public.st_rescale(rast public.raster, scalex double precision, scaley double precision, algorithm text, maxerr double precision)
IS 'args: rast, scalex, scaley, algorithm=NearestNeighbour, maxerr=0.125 - Resample a raster by adjusting only its scale (or pixel size). New pixel values are computed using the NearestNeighbor (english or american spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. Default is NearestNeighbor.';

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