Schema
public
Owner
albenard
Descriptions
args: rast, nband, options=NULL - Return the raster tile selected bands as a single portable network graphics (PNG) image (byte array). If 1, 3, or 4 bands in raster and no bands are specified, then all bands are used. If more 2 or more than 4 bands and no bands specified, then only band 1 is used. Bands are mapped to RGB or RGBA space.
Options
Option | Value |
---|---|
Returns |
bytea |
Language |
sql |
Parameters |
rast public.raster nband integer options text [] = NULL::text[] |
Definition
CREATE OR REPLACE FUNCTION public.st_aspng (
rast public.raster,
nband integer,
options text [] = NULL::text[]
)
RETURNS bytea AS
$span$
SELECT st_aspng(st_band($1, $2), $3)
$span$
LANGUAGE 'sql'
IMMUTABLE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 100;
COMMENT ON FUNCTION public.st_aspng(rast public.raster, nband integer, options text [])
IS 'args: rast, nband, options=NULL - Return the raster tile selected bands as a single portable network graphics (PNG) image (byte array). If 1, 3, or 4 bands in raster and no bands are specified, then all bands are used. If more 2 or more than 4 bands and no bands specified, then only band 1 is used. Bands are mapped to RGB or RGBA space.';
This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 26/02/2014 11:51 |