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<html>
<head>
<script src="https://unpkg.com/deck.gl@^8.8.0/dist.min.js"></script>
<script src="https://unpkg.com/@deck.gl/carto@^8.8.0/dist.min.js"></script>
<script src="https://unpkg.com/maplibre-gl@2.1.9/dist/maplibre-gl.js"></script>
<link href="https://unpkg.com/maplibre-gl@2.1.9/dist/maplibre-gl.css" rel="stylesheet" />
</head>
<body style="margin: 0; padding: 0">
<div id="map" style="width: 100vw; height: 100vh"></div>
</body>
<script type="text/javascript">
async function initialize() {
deck.carto.setDefaultCredentials({
username: 'public',
apiKey: 'default_public',
apiVersion: deck.carto.API_VERSIONS.V2,
});
// Fetch Data from CARTO
// Notice that you can use any deck.gl layer with CARTO datasets getting GeoJSON data from CARTO's API.
const url = 'https://public.carto.com/api/v2/sql?q=SELECT the_geom, weight FROM uber_pickup_locations&format=geojson';
const geojsonData = await fetch(url).then(response => response.json());
// Create Deck.GL map
const deckgl = new deck.DeckGL({
container: 'map',
map: maplibregl,
mapStyle: deck.carto.BASEMAP.DARK_MATTER,
initialViewState: {
longitude: -73.95,
latitude: 40.73,
zoom: 10.5,
maxZoom: 16
},
controller: true,
layers: [
new deck.HeatmapLayer({
id: 'heatmap-layer',
data: geojsonData.features,
pickable: false,
opacity: 0.8,
getPosition: d => d.geometry.coordinates,
getWeight: d => d.properties.weight,
radiusPixels: 35,
intensity: 1,
threshold: 0.3
})
]
});
}
initialize();
</script>
</html>
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