227 lines
8.3 KiB
HTML
227 lines
8.3 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
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<link rel="stylesheet" href="../css/ol.css" type="text/css">
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<link rel="stylesheet" href="./resources/layout.css" type="text/css">
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<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
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<title>Clustering example</title>
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</head>
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<body>
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<header class="navbar" role="navigation">
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<div class="container" id="navbar-inner-container">
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<a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png"> OpenLayers 3 Examples</a>
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</div>
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</header>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<h4 id="title">Clustering example</h4>
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<p id="shortdesc">Example of using <code>ol.source.Cluster</code>.</p>
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<div id="docs"><p>This example shows how to do clustering on point features.</p>
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</div>
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<div id="tags">cluster, vector</div>
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<div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Feature.html" title="API documentation for ol.Feature">ol.Feature</a></li>,<li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.geom.Point.html" title="API documentation for ol.geom.Point">ol.geom.Point</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.layer.Vector.html" title="API documentation for ol.layer.Vector">ol.layer.Vector</a></li>,<li><a href="../apidoc/ol.source.Cluster.html" title="API documentation for ol.source.Cluster">ol.source.Cluster</a></li>,<li><a href="../apidoc/ol.source.MapQuest.html" title="API documentation for ol.source.MapQuest">ol.source.MapQuest</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li>,<li><a href="../apidoc/ol.style.Circle.html" title="API documentation for ol.style.Circle">ol.style.Circle</a></li>,<li><a href="../apidoc/ol.style.Fill.html" title="API documentation for ol.style.Fill">ol.style.Fill</a></li>,<li><a href="../apidoc/ol.style.Stroke.html" title="API documentation for ol.style.Stroke">ol.style.Stroke</a></li>,<li><a href="../apidoc/ol.style.Style.html" title="API documentation for ol.style.Style">ol.style.Style</a></li>,<li><a href="../apidoc/ol.style.Text.html" title="API documentation for ol.style.Text">ol.style.Text</a></li></ul></div>
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</div>
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</div>
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<div class="row-fluid">
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<div id="source-controls">
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<a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
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<a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
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</div>
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<form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
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<textarea class="hidden" name="js">var count = 20000;
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var features = new Array(count);
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var e = 4500000;
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for (var i = 0; i < count; ++i) {
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var coordinates = [2 * e * Math.random() - e, 2 * e * Math.random() - e];
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features[i] = new ol.Feature(new ol.geom.Point(coordinates));
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}
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var source = new ol.source.Vector({
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features: features
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});
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var clusterSource = new ol.source.Cluster({
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distance: 40,
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source: source
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});
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var styleCache = {};
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var clusters = new ol.layer.Vector({
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source: clusterSource,
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style: function(feature, resolution) {
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var size = feature.get('features').length;
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var style = styleCache[size];
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if (!style) {
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style = [new ol.style.Style({
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image: new ol.style.Circle({
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radius: 10,
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stroke: new ol.style.Stroke({
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color: '#fff'
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}),
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fill: new ol.style.Fill({
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color: '#3399CC'
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})
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}),
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text: new ol.style.Text({
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text: size.toString(),
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fill: new ol.style.Fill({
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color: '#fff'
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})
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})
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})];
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styleCache[size] = style;
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}
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return style;
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}
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});
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var raster = new ol.layer.Tile({
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source: new ol.source.MapQuest({layer: 'sat'})
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});
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var raw = new ol.layer.Vector({
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source: source
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});
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var map = new ol.Map({
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layers: [raster, clusters],
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renderer: 'canvas',
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 2
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})
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});
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</textarea>
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<textarea class="hidden" name="css"></textarea>
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<textarea class="hidden" name="html"><div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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</textarea>
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<input type="hidden" name="wrap" value="l">
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<input type="hidden" name="resources" value="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css,https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js,http://openlayers.org/en/v3.9.0/css/ol.css,http://openlayers.org/en/v3.9.0/build/ol.js">
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</form>
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<pre><code id="example-source" class="language-markup"><!DOCTYPE html>
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<html>
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<head>
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<title>Clustering example</title>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
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<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
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</head>
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<body>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"></div>
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</div>
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</div>
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</div>
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<script>
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var count = 20000;
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var features = new Array(count);
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var e = 4500000;
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for (var i = 0; i < count; ++i) {
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var coordinates = [2 * e * Math.random() - e, 2 * e * Math.random() - e];
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features[i] = new ol.Feature(new ol.geom.Point(coordinates));
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}
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var source = new ol.source.Vector({
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features: features
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});
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var clusterSource = new ol.source.Cluster({
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distance: 40,
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source: source
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});
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var styleCache = {};
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var clusters = new ol.layer.Vector({
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source: clusterSource,
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style: function(feature, resolution) {
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var size = feature.get('features').length;
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var style = styleCache[size];
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if (!style) {
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style = [new ol.style.Style({
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image: new ol.style.Circle({
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radius: 10,
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stroke: new ol.style.Stroke({
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color: '#fff'
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}),
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fill: new ol.style.Fill({
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color: '#3399CC'
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})
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}),
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text: new ol.style.Text({
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text: size.toString(),
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fill: new ol.style.Fill({
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color: '#fff'
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})
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})
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})];
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styleCache[size] = style;
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}
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return style;
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}
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});
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var raster = new ol.layer.Tile({
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source: new ol.source.MapQuest({layer: 'sat'})
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});
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var raw = new ol.layer.Vector({
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source: source
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});
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var map = new ol.Map({
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layers: [raster, clusters],
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renderer: 'canvas',
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target: 'map',
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view: new ol.View({
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center: [0, 0],
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zoom: 2
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})
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});
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</script>
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</body>
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</html></code></pre>
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</div>
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</div>
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<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
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<script src="./resources/common.js"></script>
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<script src="./resources/prism/prism.min.js"></script>
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<script src="loader.js?id=cluster"></script>
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</body>
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</html>
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