Goong DocumentsExamplesRender world copies

Render world copies

Toggle between rendering a single world and multiple copies of the world using setRenderWorldCopies. If true, multiple copies of the world will be rendered side by side beyond -180 and 180 degrees longitude.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Render world copies</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.js"></script>
<link href="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.css" rel="stylesheet" />
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
#menu {
position: absolute;
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>
goongjs.accessToken = '8qzxZAuxcsctSlmOszInchP1A5GrmRBHJwCBCjO6';
var map = new goongjs.Map({
container: 'map', // container id
style: 'https://tiles.goong.io/assets/goong_map_web.json', // stylesheet location
center: [179, 0], // starting position [lng, lat]
zoom: 0.01 // starting zoom
});
var renderOptions = document.getElementById('menu');
var inputs = renderOptions.getElementsByTagName('input');
function switchRenderOption(option) {
var status = option.target.id;
map.setRenderWorldCopies(status === 'true');
}
for (var i = 0; i < inputs.length; i++) {
inputs[i].onclick = switchRenderOption;
}
</script>
</body>
</html>