Animate map camera around a point
This example uses rotateTo, the JavaScript window.requestAnimationFrame() method to continuously rotate the map, and the interpolate expression operator to animate the map camera around a point.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Animate map camera around a point</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.9.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.9.0/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({
container: 'map',
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/light-v11',
center: [-87.62712, 41.89033],
zoom: 15.5,
pitch: 45
});
function rotateCamera(timestamp) {
// clamp the rotation between 0 -360 degrees
// Divide timestamp by 100 to slow rotation to ~10 degrees / sec
map.rotateTo((timestamp / 100) % 360, { duration: 0 });
// Request the next frame of the animation.
requestAnimationFrame(rotateCamera);
}
map.on('load', () => {
// Start the animation.
rotateCamera(0);
// Add 3D buildings and remove label layers to enhance the map
const layers = map.getStyle().layers;
for (const layer of layers) {
if (layer.type === 'symbol' && layer.layout['text-field']) {
// remove text labels
map.removeLayer(layer.id);
}
}
map.addLayer({
'id': '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
}
});
});
</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({
container: 'map',
style: 'mapbox://styles/mapbox/light-v11',
center: [-87.62712, 41.89033],
zoom: 15.5,
pitch: 45
});
function rotateCamera(timestamp) {
mapRef.current.rotateTo((timestamp / 100) % 360, { duration: 0 });
requestAnimationFrame(rotateCamera);
}
mapRef.current.on('load', () => {
rotateCamera(0);
const layers = mapRef.current.getStyle().layers;
for (const layer of layers) {
if (layer.type === 'symbol' && layer.layout['text-field']) {
mapRef.current.removeLayer(layer.id);
}
}
mapRef.current.addLayer({
id: '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
}
});
});
}, []);
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?