openlayers-test
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Build tools and sources for developing OpenLayers based mapping applications
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HTML
<html lang="en">
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<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="../css/ol.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="../resources/layout.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>Earthquake Clusters</title>
<style>
#map {
position: relative;
}
#info {
position: absolute;
height: 1px;
width: 1px;
z-index: 100;
}
.tooltip.in {
opacity: 1;
filter: alpha(opacity=100);
}
.tooltip.top .tooltip-arrow {
border-top-color: white;
}
.tooltip-inner {
border: 2px solid white;
}
</style>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>
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</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
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<div class="row-fluid">
<div class="span12">
<h4 id="title">Earthquake Clusters</h4>
<p id="shortdesc">Demonstrates the use of style geometries to render source features of a cluster.</p>
<div id="docs">
<p>
This example parses a KML file and renders the features as clusters on a vector layer. The styling in this example is quite involved. Single earthquake locations (rendered as stars) have a size relative to their magnitude. Clusters have an opacity relative to the number of features in the cluster, and a size that represents the extent of the features that make up the cluster. When clicking or hovering on a cluster, the individual features that make up the cluster will be shown.
</p>
<p>To achieve this, we make heavy use of style functions and <code>ol.style.Style#geometry</code>. See the <a href="earthquake-clusters.js" target="_blank">earthquake-clusters.js source</a> to see how this is done.</p>
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<div id="tags">KML, vector, style, geometry, cluster</div>
</div>
</div>
</div>
<script src="../resources/jquery.min.js" type="text/javascript"></script>
<script src="../resources/bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
<script src="loader.js?id=earthquake-clusters" type="text/javascript"></script>
</body>
</html>