mapbox-gl-round-drawer

Usage

<script src='https://api.mapbox.com/mapbox-gl-js/v0.39.1/mapbox-gl.js'></script>
<script src='https://npmcdn.com/@turf/turf/turf.min.js'></script>
<script src="../../dist/index.js"></script>

ES5

mapboxgl.accessToken = '<token>';
var map = new mapboxgl.Map({
  container: 'map',
  style: 'mapbox://styles/mapbox/streets-v9'
});

var roundDrawer = new window.RoundDrawer( window.turf );
map.addControl(roundDrawer);

map.on('round.update', (e) => {
  console.log(e);
  delete e.target;
  document.querySelector('#circle_geojson').value = JSON.stringify(e);
});

ES6 (Webpack)

const RoundDrawer = require('mapbox-gl-drawer');
const turf        = require('@turf/turf');

mapboxgl.accessToken = '<token>';
const map = new mapboxgl.Map({
  container: 'map',
  style    : 'mapbox://styles/mapbox/streets-v9'
});

const roundDrawer = new RoundDrawer( turf );
map.addControl(roundDrawer);

map.on('round.update', (e) => {
  console.log(e);
  delete e.target;
  document.querySelector('#circle_geojson').value = JSON.stringify(e);
  roundDrawer.dropRound();
});

roundDrawer.drawRound( map.getCenter() );

Methods

drawRound( LnglatLike )

• Arguments
  • LnglatLike: mapboxgl lnglatlike object
• Description: draw round

dropRound()

• Description: drop round

Events

round.update

event return:

• id
  • "mapbox-gl-round-drawer_{random string}" TODO
• roundCenter
• roundPolygon
• radius
• units

{
  "id": "mapbox-gl-round-drawer_<random str>",
  "roundCenter": <Point Geojson>,
  "roundPolygon": <Polygon Geojson>,
  "radius": 11.422111367287327,
  "units": "kilometers",
  "type": "round.update"
}