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PolarDB:ST_H3FromLatLng

Last Updated:Oct 13, 2023

This topic describes the ST_H3FromLatLng function. This function converts a latitude and longitude pair into an object of the H3Grid data type.

Syntax

h3grid ST_H3FromLatLng(float   lat, float   lng, Integer level)

Parameters

Parameter

Description

lat

The latitude.

lng

The longitude.

level

The layer of the grid. Default value: 15.

Examples

select st_astext(st_h3fromlatlng(20.5,128.2));
    st_astext    
-----------------
 8f4a1266884c4f0

select st_astext(st_h3fromlatlng(20.5,128.2,8));
    st_astext    
-----------------
 884a126689fffff