Animate a series of images
Use a series of image sources to create an animation.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Animate a series of images</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({
container: 'map',
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/dark-v11',
maxZoom: 5.99,
minZoom: 4,
zoom: 5,
center: [-75, 44]
});
const frameCount = 5;
let currentImage = 0;
function getPath() {
return `https://docs.mapbox.com/mapbox-gl-js/assets/radar${currentImage}.gif`;
}
map.on('load', () => {
map.addSource('radar', {
type: 'image',
url: getPath(),
coordinates: [
[-80.425, 46.437],
[-71.516, 46.437],
[-71.516, 37.936],
[-80.425, 37.936]
]
});
map.addLayer({
id: 'radar-layer',
'type': 'raster',
'source': 'radar',
'paint': {
'raster-fade-duration': 0
}
});
setInterval(() => {
currentImage = (currentImage + 1) % frameCount;
map.getSource('radar').updateImage({ url: getPath() });
}, 200);
});
</script>
</body>
</html>
import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';
import 'mapbox-gl/dist/mapbox-gl.css';
const MapboxExample = () => {
const mapContainerRef = useRef();
const mapRef = useRef();
useEffect(() => {
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
mapRef.current = new mapboxgl.Map({
container: 'map',
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/dark-v11',
maxZoom: 5.99,
minZoom: 4,
zoom: 5,
center: [-75, 44]
});
const frameCount = 5;
let currentImage = 0;
function getPath() {
return `https://docs.mapbox.com/mapbox-gl-js/assets/radar${currentImage}.gif`;
}
mapRef.current.on('load', () => {
mapRef.current.addSource('radar', {
type: 'image',
url: getPath(),
coordinates: [
[-80.425, 46.437],
[-71.516, 46.437],
[-71.516, 37.936],
[-80.425, 37.936]
]
});
mapRef.current.addLayer({
id: 'radar-layer',
type: 'raster',
source: 'radar',
paint: {
'raster-fade-duration': 0
}
});
setInterval(() => {
currentImage = (currentImage + 1) % frameCount;
mapRef.current.getSource('radar').updateImage({ url: getPath() });
}, 200);
});
}, []);
return (
<div
id="map"
ref={mapContainerRef}
style={{ width: '100%', height: '400px' }}
></div>
);
};
export default MapboxExample;
このexampleは役に立ちましたか?