pggeodb.nancy.inra.fr/db_robot - db_robot on pggeodb.nancy.inra.fr |
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Function: st_pixelaspoint
pggeodb.nancy.inra.fr/db_robot - db_robot on pggeodb.nancy.inra.fr |
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Function: st_pixelaspoint
Schema
public
Owner
albenard
Descriptions
args: rast, columnx, rowy - Returns a point geometry of the pixels upper-left corner.
Options
Option | Value |
|---|---|
Returns |
public.geometry |
Language |
sql |
Parameters |
rast public.raster x integer y integer |
Definition
rast public.raster,
x integer,
y integer
)
RETURNS public.geometry AS
$span$
SELECT ST_PointN(ST_ExteriorRing(geom), 1) FROM public._ST_pixelaspolygons($1, NULL, $2, $3)
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;
COMMENT ON FUNCTION public.st_pixelaspoint(rast public.raster, x integer, y integer)
IS 'args: rast, columnx, rowy - Returns a point geometry of the pixels upper-left corner.';
This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 26/02/2014 11:51 |
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