marker-clustering-zoomtobounds.html 1.96 KB
<!DOCTYPE html>
<html>
<head>
	<title>Leaflet debug page</title>

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	<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet-src.js" integrity="sha512-WXoSHqw/t26DszhdMhOXOkI7qCiv5QWXhH9R7CgvgZMHz1ImlkVQ3uNsiQKu5wwbbxtPzFXd1hK4tzno2VqhpA==" crossorigin=""></script>
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	<link rel="stylesheet" href="../dist/MarkerCluster.css" />
	<link rel="stylesheet" href="../dist/MarkerCluster.Default.css" />
	<script src="../dist/leaflet.markercluster-src.js"></script>
</head>
<body>

	<div id="map"></div>
	<span>Click a cluster to zoom to its bounds</span>

	<script type="text/javascript">

		var tiles = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
				maxZoom: 18,
				attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
			}),
			latlng = L.latLng(50.5, 30.51);

		var map = L.map('map', {center: latlng, zoom: 15, layers: [tiles]});

		var markers = L.markerClusterGroup({spiderfyOnMaxZoom: false, showCoverageOnHover: false, zoomToBoundsOnClick: false});

		function populate() {
			for (var i = 0; i < 100; i++) {
				var m = L.marker(getRandomLatLng(map));
				markers.addLayer(m);
			}
			return false;
		}
		function getRandomLatLng(map) {
			var bounds = map.getBounds(),
				southWest = bounds.getSouthWest(),
				northEast = bounds.getNorthEast(),
				lngSpan = northEast.lng - southWest.lng,
				latSpan = northEast.lat - southWest.lat;

			return L.latLng(
					southWest.lat + latSpan * Math.random(),
					southWest.lng + lngSpan * Math.random());
		}

		markers.on('clusterclick', function (a) {
			a.layer.zoomToBounds();
		});

		populate();
		map.addLayer(markers);

	</script>
</body>
</html>