world-grid-square
v0.4.0
Published
The world grid square is extension of JIS X0410 worldwide.This library is utilities for the world grid square.
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World Grid Square
The world grid square is extension of JIS X0410 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/