Render world copies | NMaps GL JS Docs

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.ndrive.com/nmapsgl/v1.6.6/nmaps-gl.js"></script>
<link href="https://cdn.ndrive.com/nmapsgl/v1.6.6/nmaps-gl.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>
	// TO MAKE THE MAP APPEAR YOU MUST ADD YOUR ACCESS TOKEN
	nmapsgl.accessToken = '<your access token here>';
	
const map = new nmapsgl.Map({
container: 'map', // container id
style: 'Streets', // 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');
}
 
for (let i = 0; i < inputs.length; i++) {
inputs[i].onclick = switchRenderOption;
}
</script>
 
</body>
</html>