marker-clustering-custom.html
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<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" integrity="sha512-07I2e+7D8p6he1SIM+1twR5TIrhUQn9+I6yjqD53JQjFiMf8EtC93ty0/5vJTZGF8aAocvHYNEDJajGdNx1IsQ==" crossorigin="" />
<script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet-src.js" integrity="sha512-WXoSHqw/t26DszhdMhOXOkI7qCiv5QWXhH9R7CgvgZMHz1ImlkVQ3uNsiQKu5wwbbxtPzFXd1hK4tzno2VqhpA==" crossorigin=""></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="screen.css" />
<link rel="stylesheet" href="../dist/MarkerCluster.css" />
<script src="../dist/leaflet.markercluster-src.js"></script>
<style>
.mycluster {
width: 40px;
height: 40px;
background-color: greenyellow;
text-align: center;
font-size: 24px;
}
</style>
</head>
<body>
<div id="map"></div>
<script type="text/javascript">
var tiles = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: '© <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]});
//Custom radius and icon create function
var markers = L.markerClusterGroup({
maxClusterRadius: 120,
iconCreateFunction: function (cluster) {
var markers = cluster.getAllChildMarkers();
var n = 0;
for (var i = 0; i < markers.length; i++) {
n += markers[i].number;
}
return L.divIcon({ html: n, className: 'mycluster', iconSize: L.point(40, 40) });
},
//Disable all of the defaults:
spiderfyOnMaxZoom: false, showCoverageOnHover: false, zoomToBoundsOnClick: false
});
function populate() {
for (var i = 0; i < 100; i++) {
var m = L.marker(getRandomLatLng(map), { title: i });
m.number = i;
markers.addLayer(m);
}
return false;
}
function populateRandomVector() {
for (var i = 0, latlngs = [], len = 20; i < len; i++) {
latlngs.push(getRandomLatLng(map));
}
var path = L.polyline(latlngs);
map.addLayer(path);
}
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());
}
populate();
map.addLayer(markers);
var shownLayer, polygon;
function removePolygon() {
if (shownLayer) {
shownLayer.setOpacity(1);
shownLayer = null;
}
if (polygon) {
map.removeLayer(polygon);
polygon = null;
}
};
markers.on('clustermouseover', function (a) {
removePolygon();
a.layer.setOpacity(0.2);
shownLayer = a.layer;
polygon = L.polygon(a.layer.getConvexHull());
map.addLayer(polygon);
});
markers.on('clustermouseout', removePolygon);
map.on('zoomend', removePolygon);
</script>
</body>
</html>