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

Function: st_quantile

Schema

public

Owner

postgres

Descriptions

args: rast, nband, quantiles - Compute quantiles for a raster or raster table coverage in the context of the sample or population. Thus, a value could be examined to be at the rasters 25%, 50%, 75% percentile.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_quantile (
 rast public.raster,
 nband integer,
 quantiles double precision [],
 out quantile double precision,
 out value double precision
)
RETURNS SETOF record AS
$span$
SELECT _st_quantile($1, $2, TRUE, 1, $3)
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100 ROWS 1000;

COMMENT ON FUNCTION public.st_quantile(rast public.raster, nband integer, quantiles double precision [], out quantile double precision, out value double precision)
IS 'args: rast, nband, quantiles - Compute quantiles for a raster or raster table coverage in the context of the sample or population. Thus, a value could be examined to be at the rasters 25%, 50%, 75% percentile.';

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