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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CARTO + Mapbox GL JS - 3D Terrain</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.3.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.3.1/mapbox-gl.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiY2FydG9kYmluYyIsImEiOiJja202bHN2OXMwcGYzMnFrbmNkMzVwMG5rIn0.Zb3J4JTdJS-oYNXlR3nvnQ';
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox-map-design/ckhqrf2tz0dt119ny6azh975y',
center: [-112.125, 36.12],
zoom: 12,
pitch: 70,
bearing: 180
});
function initialize() {
map.on('load', async () => {
map.addSource('mapbox-dem', {
'type': 'raster-dem',
'url': 'mapbox://mapbox.mapbox-terrain-dem-v1',
'tileSize': 512,
'maxzoom': 14
});
// add the DEM source as a terrain layer with exaggerated height
map.setTerrain({
'source': 'mapbox-dem',
'exaggeration': 1.5
});
// add a sky layer that will show when the map is highly pitched
map.addLayer({
'id': 'sky',
'type': 'sky',
'paint': {
'sky-type': 'atmosphere',
'sky-atmosphere-sun': [0.0, 0.0],
'sky-atmosphere-sun-intensity': 15
}
});
const query = 'SELECT the_geom_webmercator FROM grca_trans_trail_ln';
const tilejsonUrl = `https://maps-api-v2.us.carto.com/user/public/carto/sql?source=${query}&format=tilejson&api_key=default_public&rand=3435334`;
map.addLayer({
'id': 'grca-trail-layer',
'type': 'line',
'source': {
'type': 'vector',
url: tilejsonUrl
},
'source-layer': 'default',
'paint': {
'line-color': 'orange',
'line-width': 3
}
});
});
}
initialize();
</script>
</body>
</html>
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