Skip to content

Render world copies

Toggle between rendering a single world and multiple copies of the world using setRenderWorldCopies.

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Render world copies</title>
    <meta property="og:description" content="Toggle between rendering a single world and multiple copies of the world using setRenderWorldCopies." />
    <meta charset='utf-8'>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel='stylesheet' href='https://unpkg.com/maplibre-gl@4.2.0/dist/maplibre-gl.css' />
    <script src='https://unpkg.com/maplibre-gl@4.2.0/dist/maplibre-gl.js'></script>
    <style>
        body { margin: 0; padding: 0; }
        html, body, #map { height: 100%; }
    </style>
</head>
<body>
<style>
    #menu {
        position: absolute;
        top: 0;
        left: 0;
        background: #fff;
        padding: 10px;
        font-family: 'Open Sans', sans-serif;
    }
</style>

<div id="map"></div>
<div id="menu">
    <div>Set <code>renderWorldCopies</code> to:</div>
    <div>
        <input type="radio" id="true" name="rtoggle" value="true" checked />
        <label for="true">true</label>
    </div>
    <div>
        <input type="radio" id="false" name="rtoggle" value="false" />
        <label for="false">false</label>
    </div>
</div>

<script>
    const map = new maplibregl.Map({
        container: 'map', // container id
        style:
            'https://api.maptiler.com/maps/streets/style.json?key=get_your_own_OpIi9ZULNHzrESv6T2vL', // stylesheet location
        center: [179, 0], // starting position [lng, lat]
        zoom: 0.01 // starting zoom
    });

    const renderOptions = document.getElementById('menu');
    const inputs = renderOptions.getElementsByTagName('input');

    function switchRenderOption(option) {
        const status = option.target.id;
        map.setRenderWorldCopies(status === 'true');
        map.panTo(map.getCenter());
    }

    for (let i = 0; i < inputs.length; i++) {
        inputs[i].onclick = switchRenderOption;
    }
</script>
</body>
</html>