Animate a series of images

Create an animation by utilizing a collection of image sources to form a sequence.


npm install --save @maptiler/sdk

main.js

import { Map, MapStyle, config } from '@maptiler/sdk';
import '@maptiler/sdk/dist/maptiler-sdk.css';

config.apiKey = 'YOUR_MAPTILER_API_KEY_HERE';
const map = new Map({
    container: 'map',
    style: MapStyle.STREETS,
    maxZoom: 5.99,
    minZoom: 4,
    zoom: 5,
    center: [-75.789, 41.874]
});

const frameCount = 5;
let currentImage = 0;

function getPath() {
    return (
        'https://docs.maptiler.com/sdk-js/assets/radar' +
        currentImage +
        '.gif'
    );
}

map.on('load', function () {
    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(function () {
        currentImage = (currentImage + 1) % frameCount;
        map.getSource('radar').updateImage({ url: getPath() });
    }, 200);
});

index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="robots" content="noindex">
  <title>Animate a series of images | NPM example</title>
  <link rel="stylesheet" href="./style.css">
</head>
<body>
  <div id="map"></div>
  <script type="module" src="./main.js"></script>
</body>
</html>

style.css

body {margin: 0; padding: 0;}
#map {position: absolute; top: 0; bottom: 0; width: 100%;}

<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Animate a series of images</title>
<script src="https://cdn.maptiler.com/maptiler-sdk-js/v4.1.0/maptiler-sdk.umd.min.js"></script>
<link href="https://cdn.maptiler.com/maptiler-sdk-js/v4.1.0/maptiler-sdk.css" rel="stylesheet" />
<style>
  body {margin: 0; padding: 0;}
  #map {position: absolute; top: 0; bottom: 0; width: 100%;}
</style>
</head>
<body>
<div id="map"></div>
<script>
    maptilersdk.config.apiKey = 'YOUR_MAPTILER_API_KEY_HERE';
    const map = new maptilersdk.Map({
        container: 'map',
        style: maptilersdk.MapStyle.STREETS,
        maxZoom: 5.99,
        minZoom: 4,
        zoom: 5,
        center: [-75.789, 41.874]
    });

    const frameCount = 5;
    let currentImage = 0;

    function getPath() {
        return (
            'https://docs.maptiler.com/sdk-js/assets/radar' +
            currentImage +
            '.gif'
        );
    }

    map.on('load', function () {
        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(function () {
            currentImage = (currentImage + 1) % frameCount;
            map.getSource('radar').updateImage({ url: getPath() });
        }, 200);
    });
</script>
</body>
</html>