This function calculates the quantiles of a raster object.

Syntax

raster ST_StatsQuantile(raster raster_obj)

Parameters

Parameter Description
raster_obj The name of the raster object.

Description

This function calculates quantiles based on bands and records the quantiles in the metadata of the raster object.

Examples

DO $$
declare
    rast raster;
begin
    select raster_obj into rast from raster_table where id = 1;
    rast = ST_StatsQuantile(rast);
    update raster_table set raster_obj = rast where id = 1;
end;    
$$ LANGUAGE 'plpgsql';