Schema
Owner
postgres
Descriptions
args: rast, nband, quantile - 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
Option | Value |
---|---|
Returns |
double precision |
Language |
sql |
Parameters |
rast public.raster nband integer quantile double precision |
Definition
CREATE OR REPLACE FUNCTION public.st_quantile (
rast public.raster,
nband integer,
quantile double precision
)
RETURNS double precision AS
$span$
SELECT ( public._ST_quantile($1, $2, TRUE, 1, ARRAY[$3]::double precision[])).value
$span$
LANGUAGE 'sql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;
COMMENT ON FUNCTION public.st_quantile(rast public.raster, nband integer, quantile double precision)
IS 'args: rast, nband, quantile - 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 |