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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Display a map</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script type="text/javascript" src="https://api.mapbox.com/mapbox-gl-js/v2.13.0/mapbox-gl.js"></script>
<link href="https://api.mapbox.com/mapbox-gl-js/v2.13.0/mapbox-gl.css" rel="stylesheet" />
<style>
body {
margin: 0;
padding: 0;
}
h2,
h3 {
margin: 10px;
font-size: 1em;
}
h3 {
font-size: 1em;
}
p {
font-size: 1em;
margin: 10px;
text-align: left;
}
.map-overlay {
position: absolute;
bottom: 0;
right: 0;
background: rgba(255, 255, 255, 0.8);
margin-right: 20px;
font-family: Arial, sans-serif;
overflow: auto;
border-radius: 3px;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
#features {
top: 0;
height: 120px;
margin-top: 20px;
width: 250px;
}
#legend {
padding: 5px;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
line-height: 18px;
height: 90px;
margin-bottom: 10px;
width: 160px;
}
.legend-key {
display: inline-block;
border-radius: 20%;
width: 10px;
height: 10px;
margin-right: 5px;
}
</style>
</head>
<body>
<div id="map"></div>
<div class="map-overlay" id="features">
<h2>Building Footprint Map</h2>
<div id="pd">
<p>The building's landuse is</p>
</div>
</div>
<div class="map-overlay" id="legend"></div>
<script type="text/javascript">
// put you token here
mapboxgl.accessToken = 'pk.eyJ1Ijoiam11cmIiLCJhIjoiY2xvaDg0NHh1MGR6bTJ0czJodmNhMWoxNCJ9.FuXTCdTbyHhX8sDG2_O5FA';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/jmurb/clos2z5zg00ir01ns5ilu9z9r/draft',
zoom: 11,
center: [-75.150996, 39.892945]
});
// add legend to your map
var layers = ['Commercial', 'Residential', 'Institutional', 'Other'];
var colors = ['#b2dbfa', '#f7c5c5', '#cfccbe', '#e8e8e8'];
for (i = 0; i < layers.length; i++) {
var layer = layers[i];
var color = colors[i];
var item = document.createElement('div');
var key = document.createElement('span');
key.className = 'legend-key';
key.style.backgroundColor = color;
var value = document.createElement('span');
value.innerHTML = layer;
item.appendChild(key);
item.appendChild(value);
legend.appendChild(item);
}
map.on('load', function () {
map.getCanvas().style.cursor = 'default';
map.fitBounds([
[-75.299998, 40.091772],
[-75.011607, 39.884492]
]);
// change info window on hover
map.on('mousemove', function (e) {
var states = map.queryRenderedFeatures(e.point, {
layers: ['buildings-lu'] // get from the mapbox top left layer information
});
if (states.length > 0) {
document.getElementById('pd').innerHTML =
"<h3>The building's landuse is:" +
// states[0].properties.fid +
'<p>' +
states[0].properties.landuse;
} else {
document.getElementById('pd').innerHTML =
"<h3><p>The building's landuse is:</p>";
}
});
});
</script>
</body>
</html>