Display buildings in 3D
This example uses addLayer to add a fill-extrusion layer that displays building heights in 3D.
The data source for the building heights is the Mapbox Streets vector tileset, which provides data for the building layer in the light-v10 style.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Display buildings in 3D</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.7.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.7.0/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>
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const map = new mapboxgl.Map({
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/light-v11',
center: [-74.0066, 40.7135],
zoom: 15.5,
pitch: 45,
bearing: -17.6,
container: 'map',
antialias: true
});
map.on('style.load', () => {
// Insert the layer beneath any symbol layer.
const layers = map.getStyle().layers;
const labelLayerId = layers.find(
(layer) => layer.type === 'symbol' && layer.layout['text-field']
).id;
// The 'building' layer in the Mapbox Streets
// vector tileset contains building height data
// from OpenStreetMap.
map.addLayer(
{
'id': 'add-3d-buildings',
'source': 'composite',
'source-layer': 'building',
'filter': ['==', 'extrude', 'true'],
'type': 'fill-extrusion',
'minzoom': 15,
'paint': {
'fill-extrusion-color': '#aaa',
// Use an 'interpolate' expression to
// add a smooth transition effect to
// the buildings as the user zooms in.
'fill-extrusion-height': [
'interpolate',
['linear'],
['zoom'],
15,
0,
15.05,
['get', 'height']
],
'fill-extrusion-base': [
'interpolate',
['linear'],
['zoom'],
15,
0,
15.05,
['get', 'min_height']
],
'fill-extrusion-opacity': 0.6
}
},
labelLayerId
);
});
</script>
</body>
</html>
This code snippet will not work as expected until you replace
YOUR_MAPBOX_ACCESS_TOKEN with an access token from your Mapbox account.import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';
import 'mapbox-gl/dist/mapbox-gl.css';
const MapboxExample = () => {
const mapContainerRef = useRef();
const mapRef = useRef();
useEffect(() => {
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
mapRef.current = new mapboxgl.Map({
style: 'mapbox://styles/mapbox/light-v11',
center: [-74.0066, 40.7135],
zoom: 15.5,
pitch: 45,
bearing: -17.6,
container: 'map',
antialias: true
});
mapRef.current.on('style.load', () => {
const layers = mapRef.current.getStyle().layers;
const labelLayerId = layers.find(
(layer) => layer.type === 'symbol' && layer.layout['text-field']
).id;
mapRef.current.addLayer(
{
id: 'add-3d-buildings',
source: 'composite',
'source-layer': 'building',
filter: ['==', 'extrude', 'true'],
type: 'fill-extrusion',
minzoom: 15,
paint: {
'fill-extrusion-color': '#aaa',
'fill-extrusion-height': [
'interpolate',
['linear'],
['zoom'],
15,
0,
15.05,
['get', 'height']
],
'fill-extrusion-base': [
'interpolate',
['linear'],
['zoom'],
15,
0,
15.05,
['get', 'min_height']
],
'fill-extrusion-opacity': 0.6
}
},
labelLayerId
);
});
return () => mapRef.current.remove();
}, []);
return <div id="map" ref={mapContainerRef} style={{ height: '100%' }}></div>;
};
export default MapboxExample;
This code snippet will not work as expected until you replace
YOUR_MAPBOX_ACCESS_TOKEN with an access token from your Mapbox account.Was this example helpful?