84 lines
3.1 KiB
HTML
84 lines
3.1 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>Leaflet debug page</title>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" integrity="sha512-07I2e+7D8p6he1SIM+1twR5TIrhUQn9+I6yjqD53JQjFiMf8EtC93ty0/5vJTZGF8aAocvHYNEDJajGdNx1IsQ==" crossorigin="" />
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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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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="../screen.css" />
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<link rel="stylesheet" href="../../dist/MarkerCluster.css" />
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<link rel="stylesheet" href="../../dist/MarkerCluster.Default.css" />
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<script src="../../src/DistanceGrid.js"></script>
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<script src="../../src/MarkerCluster.js"></script>
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<script src="../../src/MarkerClusterGroup.js"></script>
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<script src="../../src/MarkerCluster.QuickHull.js"></script>
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<script src="../../src/MarkerCluster.Spiderfier.js"></script>
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</head>
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<body>
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<div id="map"></div>
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<button id="doit">Add 1000 Markers</button><br/>
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<span>Bug <a href="https://github.com/danzel/Leaflet.markercluster/issues/51">#51</a>. Click the button. It will add 1000 markers to the map. this should be fast, but previously in (non-IE browsers) it was very slow.</span><br/>
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<span>Bug <a href="https://github.com/danzel/Leaflet.markercluster/issues/43">#43</a>. Improving performance more.</span><br/>
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<span id="time"></span>
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<script type="text/javascript">
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var tiles = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 18,
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attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
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}),
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latlng = new L.LatLng(50.5, 30.51);
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var map = new L.Map('map', {center: latlng, zoom: 15, layers: [tiles]});
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var markers = new L.MarkerClusterGroup();
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var markersList = [];
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function getRandomLatLng(map) {
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var bounds = map.getBounds(),
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southWest = bounds.getSouthWest(),
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northEast = bounds.getNorthEast(),
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lngSpan = northEast.lng - southWest.lng,
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latSpan = northEast.lat - southWest.lat;
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return new L.LatLng(
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southWest.lat + latSpan * Math.random(),
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southWest.lng + lngSpan * Math.random());
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}
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function populate(length) {
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var prestart = +new Date();
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var list = [], i;
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for (i = 0; i < length; i++) {
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var m = new L.Marker(getRandomLatLng(map));
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list.push(m);
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}
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var start = +new Date();
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markers.addLayers(list);
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var end = +new Date();
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document.getElementById('time').innerHTML = 'Creating 1000 markers took: ' + (start - prestart) + 'ms . Appending 1000 markers took: ' + (end - start) + 'ms';
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return false;
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}
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populate(1000);
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var start = +new Date();
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map.addLayer(markers);
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var end = +new Date();
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document.getElementById('time').innerHTML += ' . Adding to map took: ' + (end - start) + 'ms';
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//Ugly add/remove code
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L.DomUtil.get('doit').onclick = function () {
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populate(1000);
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};
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</script>
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</body>
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</html>
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