Add a Pattern to a Polygon

Fill a polygon with a repeating image pattern.

const API_KEY = 'toursprung';

    const map = new maptoolkit.Map({
        container: 'map',
        style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
        zoom: 1,
        attributionControl: { compact: false }
    });

    map.on('load', async () => {
        map.addSource('source', {
            type: 'geojson',
            data: {
                type: 'Feature',
                properties: {},
                geometry: {
                    type: 'Polygon',
                    coordinates: [
                        [
                            [-30, -25],
                            [-30,  35],
                            [ 30,  35],
                            [ 30, -25],
                            [-30, -25]
                        ]
                    ]
                }
            }
        });

        const image = await map.loadImage(
            'https://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Cat_silhouette.svg/60px-Cat_silhouette.svg.png'
        );
        map.addImage('pattern', image.data);

        map.addLayer({
            id: 'pattern-layer',
            type: 'fill',
            source: 'source',
            paint: {
                'fill-pattern': 'pattern'
            }
        });
    });

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Add a Pattern to a Polygon – Maptoolkit Maps JS</title>
    <meta property="og:description" content="Fill a polygon with a repeating image pattern." />
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.js"></script>
    <link rel="stylesheet" href="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.css" />
    <style>
        html, body { width: 100%; height: 100%; margin: 0; padding: 0; }
        #map { width: 100%; height: 100%; }
    </style>
</head>
<body>
<div id="map"></div>
<script>
    const API_KEY = 'toursprung';

    const map = new maptoolkit.Map({
        container: 'map',
        style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
        zoom: 1,
        attributionControl: { compact: false }
    });

    map.on('load', async () => {
        map.addSource('source', {
            type: 'geojson',
            data: {
                type: 'Feature',
                properties: {},
                geometry: {
                    type: 'Polygon',
                    coordinates: [
                        [
                            [-30, -25],
                            [-30,  35],
                            [ 30,  35],
                            [ 30, -25],
                            [-30, -25]
                        ]
                    ]
                }
            }
        });

        const image = await map.loadImage(
            'https://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Cat_silhouette.svg/60px-Cat_silhouette.svg.png'
        );
        map.addImage('pattern', image.data);

        map.addLayer({
            id: 'pattern-layer',
            type: 'fill',
            source: 'source',
            paint: {
                'fill-pattern': 'pattern'
            }
        });
    });
</script>
</body>
</html>

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