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Andreas Hocevar
2015-09-10 15:23:57 +02:00
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vectortile/examples/heatmap-earthquakes.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css" type="text/css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="./resources/prism/prism.css" type="text/css">
<link rel="stylesheet" href="../css/ol.css" type="text/css">
<link rel="stylesheet" href="./resources/layout.css" type="text/css">
<script src="./resources/zeroclipboard/ZeroClipboard.min.js"></script>
<title>Earthquakes heatmap</title>
</head>
<body>
<header class="navbar" role="navigation">
<div class="container" id="navbar-inner-container">
<a class="navbar-brand" href="./"><img src="./resources/logo-70x70.png">&nbsp;OpenLayers 3 Examples</a>
</div>
</header>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
<div class="span4">
<form>
<label>radius size</label>
<input id="radius" type="range" min="1" max="50" step="1" value="5"/>
<label>blur size</label>
<input id="blur" type="range" min="1" max="50" step="1" value="15"/>
</form>
</div>
</div>
<div class="row-fluid">
<div class="span12">
<h4 id="title">Earthquakes heatmap</h4>
<p id="shortdesc">Demonstrates the use of a heatmap layer.</p>
<div id="docs"><p>This example parses a KML file and renders the features as a <code>ol.layer.Heatmap</code> layer.</p>
</div>
<div id="tags">heatmap, kml, vector, style</div>
<div id="api-links">Related API documentation: <ul class="inline"><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.format.KML.html" title="API documentation for ol.format.KML">ol.format.KML</a></li>,<li><a href="../apidoc/ol.layer.Heatmap.html" title="API documentation for ol.layer.Heatmap">ol.layer.Heatmap</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.source.Stamen.html" title="API documentation for ol.source.Stamen">ol.source.Stamen</a></li>,<li><a href="../apidoc/ol.source.Vector.html" title="API documentation for ol.source.Vector">ol.source.Vector</a></li></ul></div>
</div>
</div>
<div class="row-fluid">
<div id="source-controls">
<a id="copy-button"><i class="fa fa-clipboard"></i> Copy</a>
<a id="jsfiddle-button"><i class="fa fa-jsfiddle"></i> Edit</a>
</div>
<form method="POST" id="jsfiddle-form" target="_blank" action="http://jsfiddle.net/api/post/jquery/1.11.0/">
<textarea class="hidden" name="js">var blur = document.getElementById(&#x27;blur&#x27;);
var radius = document.getElementById(&#x27;radius&#x27;);
var vector = new ol.layer.Heatmap({
source: new ol.source.Vector({
url: &#x27;data/kml/2012_Earthquakes_Mag5.kml&#x27;,
format: new ol.format.KML({
extractStyles: false
})
}),
blur: parseInt(blur.value, 10),
radius: parseInt(radius.value, 10)
});
vector.getSource().on(&#x27;addfeature&#x27;, function(event) {
// 2012_Earthquakes_Mag5.kml stores the magnitude of each earthquake in a
// standards-violating &lt;magnitude&gt; tag in each Placemark. We extract it from
// the Placemark&#x27;s name instead.
var name = event.feature.get(&#x27;name&#x27;);
var magnitude = parseFloat(name.substr(2));
event.feature.set(&#x27;weight&#x27;, magnitude - 5);
});
var raster = new ol.layer.Tile({
source: new ol.source.Stamen({
layer: &#x27;toner&#x27;
})
});
var map = new ol.Map({
layers: [raster, vector],
target: &#x27;map&#x27;,
view: new ol.View({
center: [0, 0],
zoom: 2
})
});
blur.addEventListener(&#x27;input&#x27;, function() {
vector.setBlur(parseInt(blur.value, 10));
});
radius.addEventListener(&#x27;input&#x27;, function() {
vector.setRadius(parseInt(radius.value, 10));
});
</textarea>
<textarea class="hidden" name="css"></textarea>
<textarea class="hidden" name="html">&lt;div class=&quot;row-fluid&quot;&gt;
&lt;div class=&quot;span12&quot;&gt;
&lt;div id=&quot;map&quot; class=&quot;map&quot;&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&quot;span4&quot;&gt;
&lt;form&gt;
&lt;label&gt;radius size&lt;/label&gt;
&lt;input id=&quot;radius&quot; type=&quot;range&quot; min=&quot;1&quot; max=&quot;50&quot; step=&quot;1&quot; value=&quot;5&quot;/&gt;
&lt;label&gt;blur size&lt;/label&gt;
&lt;input id=&quot;blur&quot; type=&quot;range&quot; min=&quot;1&quot; max=&quot;50&quot; step=&quot;1&quot; value=&quot;15&quot;/&gt;
&lt;/form&gt;
&lt;/div&gt;
&lt;/div&gt;
</textarea>
<input type="hidden" name="wrap" value="l">
<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/v3.8.2/css/ol.css,http://openlayers.org/en/v3.8.2/build/ol.js">
</form>
<pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Earthquakes heatmap&lt;/title&gt;
&lt;script src="https://code.jquery.com/jquery-1.11.2.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"&gt;
&lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"&gt;&lt;/script&gt;
&lt;link rel="stylesheet" href="http://openlayers.org/en/v3.8.2/css/ol.css" type="text/css"&gt;
&lt;script src="http://openlayers.org/en/v3.8.2/build/ol.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div class="container-fluid"&gt;
&lt;div class=&quot;row-fluid&quot;&gt;
&lt;div class=&quot;span12&quot;&gt;
&lt;div id=&quot;map&quot; class=&quot;map&quot;&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;div class=&quot;span4&quot;&gt;
&lt;form&gt;
&lt;label&gt;radius size&lt;/label&gt;
&lt;input id=&quot;radius&quot; type=&quot;range&quot; min=&quot;1&quot; max=&quot;50&quot; step=&quot;1&quot; value=&quot;5&quot;/&gt;
&lt;label&gt;blur size&lt;/label&gt;
&lt;input id=&quot;blur&quot; type=&quot;range&quot; min=&quot;1&quot; max=&quot;50&quot; step=&quot;1&quot; value=&quot;15&quot;/&gt;
&lt;/form&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;script&gt;
var blur = document.getElementById(&#x27;blur&#x27;);
var radius = document.getElementById(&#x27;radius&#x27;);
var vector = new ol.layer.Heatmap({
source: new ol.source.Vector({
url: &#x27;data/kml/2012_Earthquakes_Mag5.kml&#x27;,
format: new ol.format.KML({
extractStyles: false
})
}),
blur: parseInt(blur.value, 10),
radius: parseInt(radius.value, 10)
});
vector.getSource().on(&#x27;addfeature&#x27;, function(event) {
// 2012_Earthquakes_Mag5.kml stores the magnitude of each earthquake in a
// standards-violating &lt;magnitude&gt; tag in each Placemark. We extract it from
// the Placemark&#x27;s name instead.
var name = event.feature.get(&#x27;name&#x27;);
var magnitude = parseFloat(name.substr(2));
event.feature.set(&#x27;weight&#x27;, magnitude - 5);
});
var raster = new ol.layer.Tile({
source: new ol.source.Stamen({
layer: &#x27;toner&#x27;
})
});
var map = new ol.Map({
layers: [raster, vector],
target: &#x27;map&#x27;,
view: new ol.View({
center: [0, 0],
zoom: 2
})
});
blur.addEventListener(&#x27;input&#x27;, function() {
vector.setBlur(parseInt(blur.value, 10));
});
radius.addEventListener(&#x27;input&#x27;, function() {
vector.setRadius(parseInt(radius.value, 10));
});
&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
</div>
</div>
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<script src="./resources/common.js"></script>
<script src="./resources/prism/prism.min.js"></script>
<script src="loader.js?id=heatmap-earthquakes"></script>
</body>
</html>