Render world copies | UNL Map 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.

Note

If you want to test this example, edit it in JSFiddle or CodePen and replace the "YOUR-OWN-API-KEY" and "YOUR-OWN-VPM-ID" placeholders with your actual api key and vpm id.

<!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://unpkg.com/unl-map-js@0.1.5/lib/unl-map-js.js"></script>
<link href="https://unpkg.com/unl-map-js@0.1.5/lib/unl-map-js.css" rel="stylesheet" />
<link
href="https://unpkg.com/maplibre-gl@2.1.9/dist/maplibre-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>
var map = new UnlSdk.Map({
container: "map", // container id
apiKey: "YOUR-OWN-API-KEY",
vpmId: "YOUR-OWN-VPM-ID",
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>