qd-changjing/public/leaflet/libs/leaflet.markercluster/example/old-bugs/doesnt-update-cluster-on-bo...

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2022-07-05 16:56:29 +08:00
<!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" />
<link rel="stylesheet" href="../../dist/MarkerCluster.Default.css" />
<script src="../../src/DistanceGrid.js"></script>
<script src="../../src/MarkerCluster.js"></script>
<script src="../../src/MarkerClusterGroup.js"></script>
<script src="../../src/MarkerCluster.QuickHull.js"></script>
<script src="../../src/MarkerCluster.Spiderfier.js"></script>
</head>
<body>
<div id="map"></div>
<button id="doit">AddMarker</button><button id="doit2">Add by Timer</button><br/>
<span>Bug <a href="https://github.com/danzel/Leaflet.markercluster/issues/114">#114</a>. Markers are added to the map periodically using addLayers. Bug was that after becoming a cluster (size 2 or 3 usually) they would never change again even if more markers were added to them.</span><br/>
<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 = new L.LatLng(40.782982, -73.969452);
var map = new L.Map('map', {
center: latlng,
zoom: 12,
maxZoom: 12,
layers: [tiles]
});
var markerCluster = new L.MarkerClusterGroup();
map.addLayer(markerCluster);
function getRandomLatLng() {
return [
40.782982 + (Math.random() > 0.5 ? 0.5 : -0.5) * Math.random(),
-73.969452 + (Math.random() > 0.5 ? 0.5 : -0.5) * Math.random()
];
}
document.getElementById('doit').onclick = function () {
markerCluster.addLayers([new L.Marker(map.getCenter())]);
};
document.getElementById('doit2').onclick = function () {
setInterval(function () {
var n = 100;
var markers = new Array();
for (var i = 0; i < n; i++) {
markers.push(L.marker(getRandomLatLng()));
}
markerCluster.addLayers(markers);
}, 1000);
};
</script>
</body>
</html>