index.html
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Point in Polygon</title>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' />
<script src='//api.tiles.mapbox.com/mapbox.js/v1.4.2/mapbox.js'></script>
<link href='//api.tiles.mapbox.com/mapbox.js/v1.4.2/mapbox.css' rel='stylesheet' />
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
#state {
position:absolute;
bottom:10px;
right:10px;
background:#fff;
font-size:30px;
padding:10px;
z-index:999;
}
#content {
position:absolute;
top:0;
right:0;
width:200px;
bottom:0;
background:#000;
background:rgba(0, 0, 0, 0.5);
}
#content.container {
padding:10px;
}
</style>
<script src='https://www.mapbox.com/mapbox.js/assets/leaflet-pip.js'></script>
<div id='map'></div>
<div id='content'>
<div class="container">
<h2>Ward Locator</h2>
<p>Burlington's ward map will be changing if the voters approve the new layout on town meeting day. Drag the marker to you location to see what your new ward will be.</p>
</div>
</div>
<div id='state'></div>
<script>
var map = L.mapbox.map('map', baselayer)
map.fitBounds([
[44.54790950833806, -72.99247741699219],
[44.403618239739515, -73.43193054199219]
], {
paddingTopRight: [200, 0]
});
var baselayer = L.tileLayer('//{s}.tile.stamen.com/toner/{z}/{x}/{y}.png', {
maxZoom: 17,
attribution: "<a href='https://maps.stamen.com' target='_blank'>Stamen<\/a>",
}).addTo(map);
$.ajax({
url: 'map.geojson',
dataType: 'json',
success: function load(d) {
var states = L.geoJson(d).addTo(map);
L.marker([44.4758825, -73.212072], {
icon: L.mapbox.marker.icon({
'marker-color': '#f22',
'marker-size': 'large',
'marker-symbol': 'circle-stroked'
}),
draggable: true
}).addTo(map)
.on('dragend', function(e) {
var layer = leafletPip.pointInLayer(this.getLatLng(), states, true);
document.getElementById('state').innerHTML = layer.length ?
layer[0].feature.properties.name : '';
});
}
});
</script>
</body>
</html>