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

Function: st_quantile

Schema

public

Owner

postgres

Descriptions

args: rastertable, rastercolumn, nband=1, exclude_nodata_value=true, quantiles=NULL - 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 (
 rastertable text,
 rastercolumn text,
 nband integer = 1,
 exclude_nodata_value boolean = true,
 quantiles double precision [] = NULL::double precision[],
 out quantile double precision,
 out value double precision
)
RETURNS SETOF record AS
$span$
SELECT _st_quantile($1, $2, $3, $4, 1, $5)
$span$
LANGUAGE 'sql'
STABLE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 100 ROWS 1000;

COMMENT ON FUNCTION public.st_quantile(rastertable text, rastercolumn text, nband integer, exclude_nodata_value boolean, quantiles double precision [], out quantile double precision, out value double precision)
IS 'args: rastertable, rastercolumn, nband=1, exclude_nodata_value=true, quantiles=NULL - 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