Leaflet Heat

Initially draw heatmap data on a map and allow a users mouse movement to draw their own.

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Leaflet Heat</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v3.0.1/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v3.0.1/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/leaflet-heat/v0.1.3/leaflet-heat.js'></script>
<div id='map'></div>

<!-- Example data. -->
<script src='/mapbox.js/assets/data/realworld.388.js'></script>

<script>
L.mapbox.accessToken = '<your access token here>';
    var map = L.mapbox.map('map', 'mapbox.dark')
        .setView([-37.821, 175.219], 16);

    var heat = L.heatLayer(addressPoints, {maxZoom: 18}).addTo(map);
    var draw = true;

    // add points on mouse move (except when interacting with the map)
    map.on({
        movestart: function () { draw = false; },
        moveend:   function () { draw = true; },
        mousemove: function (e) {
            if (draw) {
                heat.addLatLng(e.latlng);
            }
        }
    })
</script>
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.
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