FDITeam / visualisation-maritime

Blame view

src/main/resources/leafletmap/Leaflet.markercluster-1.4.1/example/marker-clustering.html 2.79 KB
edit raw normal view history
9e952e84e   lsagona   add message clust... 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
  <!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="../dist/leaflet.markercluster-src.js"></script>
  </head>
  <body>
  
  	<div id="map"></div>
  	<button id="populate">Populate 1 marker</button>
  	<button id="remove">Remove 1 marker</button>
  
  	<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(50.5, 30.51);
  
  		var map = new L.Map('map', {center: latlng, zoom: 15, layers: [tiles]});
  
  		var markers = new L.MarkerClusterGroup();
  		var markersList = [];
  
  		function populate() {
  			for (var i = 0; i < 100; i++) {
  				var m = new L.Marker(getRandomLatLng(map));
  				markersList.push(m);
  				markers.addLayer(m);
  			}
  			return false;
  		}
  		function populateRandomVector() {
  			for (var i = 0, latlngs = [], len = 20; i < len; i++) {
  				latlngs.push(getRandomLatLng(map));
  			}
  			var path = new 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 new L.LatLng(
  					southWest.lat + latSpan * Math.random(),
  					southWest.lng + lngSpan * Math.random());
  		}
  
  		markers.on('clusterclick', function (a) {
  			alert('cluster ' + a.layer.getAllChildMarkers().length);
  		});
  		markers.on('click', function (a) {
  			alert('marker ' + a.layer);
  		});
  
  		populate();
  		map.addLayer(markers);
  
  		L.DomUtil.get('populate').onclick = function () {
  			var bounds = map.getBounds(),
  			southWest = bounds.getSouthWest(),
  			northEast = bounds.getNorthEast(),
  			lngSpan = northEast.lng - southWest.lng,
  			latSpan = northEast.lat - southWest.lat;
  			var m = new L.Marker(new L.LatLng(
  					southWest.lat + latSpan * 0.5,
  					southWest.lng + lngSpan * 0.5));
  			markersList.push(m);
  			markers.addLayer(m);
  		};
  		L.DomUtil.get('remove').onclick = function () {
  			markers.removeLayer(markersList.pop());
  		};
  	</script>
  </body>
  </html>