leaflet.markercluster
Version:
Provides Beautiful Animated Marker Clustering functionality for Leaflet
107 lines (90 loc) • 4.33 kB
HTML
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.0.3/leaflet.js"></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="../../dist/leaflet.markercluster-src.js"></script>
</head>
<body style="font-family: verdana; font-size: 80%;">
<div id="map"></div>
Click on the cluster to <strong>spiderfy</strong> and then <button id="moveTrain">move train</button><br/>
<br/>
<div style="color: #888;"><strong>Note:</strong> The marker on the old cluster position comes back on next move or on map scrolling.</div>
<script type="text/javascript">
var stationJson = {
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":1,"properties":{"type":"station","name":"Appenzell"},"geometry":{"type":"Point","coordinates":[9.40991,47.32849]}},
{"type":"Feature","id":2,"properties":{"type":"station","name":"Gais"},"geometry":{"type":"Point","coordinates":[9.45107,47.36073]}},
{"type":"Feature","id":3,"properties":{"type":"station","name":"St. Gallen"},"geometry":{"type":"Point","coordinates":[9.36901,47.42208]}},
{"type":"Feature","id":4,"properties":{"type":"station","name":"Teufen"},"geometry":{"type":"Point","coordinates":[9.390178,47.390157]}}
]};
var trainJson = [{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.36901,47.42208]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.390178,47.390157]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.45107,47.36073]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.40991,47.32849]}}
]}];
var trainPosition = 0,
trainDirection = 'up';
var tiles = L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}),
map = new L.Map('map', {zoom: 15, layers: [tiles]}),
markers = new L.MarkerClusterGroup({ spiderfyOnMaxZoom: false, showCoverageOnHover: false, zoomToBoundsOnClick: false });
var stationGeoJsonLayer = L.geoJson(stationJson, {
onEachFeature: function (feature, layer) {
layer.bindPopup(feature.properties.name);
}
}),
trainGeoJsonLayer = L.geoJson(trainJson[trainPosition], {
onEachFeature: function (feature, layer) {
layer.bindPopup(feature.properties.name);
}
});
// initial load
markers.addLayer(stationGeoJsonLayer);
markers.addLayer(trainGeoJsonLayer);
map.fitBounds(markers.getBounds());
markers.on('clusterclick', function (a) {
a.layer.spiderfy();
});
map.addLayer(markers);
/**
* Demonstration method that simulates that we got a new geoJson object with updated train positions.
*/
function moveTrain() {
if (trainDirection == 'up') trainPosition++;
else if (trainDirection == 'down') trainPosition--;
if (trainPosition == trainJson.length-1) trainDirection = 'down';
else if (trainPosition == 0) trainDirection = 'up';
// build a new geoJson layer with the new train information
trainGeoJsonLayer = L.geoJson(trainJson[trainPosition], {});
// update the cluster markers with both layers (stations first so that the station marker is always the first on spider.
markers.clearLayers();
markers.addLayer(stationGeoJsonLayer);
markers.addLayer(trainGeoJsonLayer);
}
L.DomUtil.get('moveTrain').onclick = function () {
moveTrain();
};
</script>
</body>
</html>