Turf Concave Hull
Generate a concave hull from a set of points
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Turf Concave Hull</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<script src='https://api.mapbox.com/mapbox.js/plugins/turf/v2.0.2/turf.min.js'></script>
<div id='map'></div>
<script>
L.mapbox.accessToken = '<your access token here>';
var map = L.mapbox.map('map')
.setView([37.77396, -122.4366], 13)
.addLayer(L.mapbox.styleLayer('mapbox://styles/mapbox/streets-v11'));
var myFeatureLayer = L.mapbox.featureLayer('/mapbox.js/assets/data/sf_locations.geojson')
.addTo(map);
myFeatureLayer.on('ready', function() {
var hull = turf.concave(myFeatureLayer.getGeoJSON(), 3, 'miles');
L.mapbox.featureLayer(hull).addTo(map);
});
</script>
Get a free Mapbox account to create your own custom map and use it in this example.
Use this example by copying its source into your own HTML page and
replacing the Map ID
with
one of your own from your projects.
Having trouble with JavaScript? Try out Codecademy
or contact our support team.