World Grid Square

The world grid square is extension of JIS X0410(a.k.a Japan Mesh Code) worldwide. This library is utilities for the world grid square.

World grid square outlined here: https://www.fttsus.org/worldgrids/en/top-en/

Compartment type

• 1st level 80km grid
• 2nd level 10km grid
• 3rd level 1km grid
• 4th level 500m grid
• 5th level 250m grid
• 6th level 125m grid
• 7th level 25m grid(extension spec)
• 8th level 12.5m grid(extension spec)
• 9th level 5m grid(extension spec)

Install

$ npm install world-grid-square

or

$ yarn add world-grid-square

or

$ pnpm add world-grid-square

Usage

from longitude and latitude to code

import wgs from 'world-grid-square'

const code = wgs.pointToCode(139.745433, 35.658581, 6)
// 2053393599212
console.log(code)

from code to longitude and latitude

import { wgs } from 'world-grid-square'

const point = wgs.codeToPoint('2053393599212')
// 139.7453125, 35.65833333333333
console.log(point)

Usage for JIS Grid Square

from longitude and latitude to jis code

import { wgs } from 'world-grid-square'

const code = wgs.pointToJisCode(139.745433, 35.658581, 6)
// 53393599212
console.log(code)

from jis code to longitude and latitude

import { wgs } from 'world-grid-square'

const point = wgs.jisCodeToPoint('53393599212')
// 139.7453125, 35.65833333333333
console.log(point)

Demo using map

Here is a demo that actually draws the world grid square on the map using this library.
https://9revolution9.com/tools/geo/geocode/