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Add an icon to the map

Add an icon to the map from an external URL and use it in a symbol layer.

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Add an icon to the map</title>
    <meta property="og:description" content="Add an icon to the map from an external URL and use it in a symbol layer." />
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/trackasia-gl.css" />
    <script src="https://unpkg.com/[email protected]/dist/trackasia-gl.js"></script>
    <style>
        body { margin: 0; padding: 0; }
        html, body, #map { height: 100%; }
    </style>
</head>
<body>
    <div id="map"></div>

<script>
    const map = new trackasiagl.Map({
        container: 'map',
        style: 'https://maps.track-asia.com/styles/v1/streets.json?key=public_key',
        center: [0, 0],
        zoom: 2.9
    });

    map.on('load', async () => {
        image = await map.loadImage('https://upload.wikimedia.org/wikipedia/commons/7/7c/201408_cat.png');
        map.addImage('cat', image.data);
        map.addSource('point', {
            'type': 'geojson',
            'data': {
                'type': 'FeatureCollection',
                'features': [
                    {
                        'type': 'Feature',
                        'geometry': {
                            'type': 'Point',
                            'coordinates': [0, 0]
                        }
                    }
                ]
            }
        });
        map.addLayer({
            'id': 'points',
            'type': 'symbol',
            'source': 'point',
            'layout': {
                'icon-image': 'cat',
                'icon-size': 0.25
            }
        });
    });
</script>

</body>
</html>