mirror of
https://github.com/Viglino/ol-ext.git
synced 2025-12-08 19:26:29 +00:00
107 lines
2.7 KiB
HTML
107 lines
2.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2017-2018 Jean-Marc VIGLINO,
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released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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-->
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<title>ol-ext: HexBin source</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="description" content="ol.source.HexBin is a source to display hexagonal binning on a map." />
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<meta name="keywords" content="ol3, layer, hexbin, cluster, hexagon, binning, heatmap" />
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<!-- jQuery -->
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<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://openlayers.org/en/v6.15.1/css/ol.css" />
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<script type="text/javascript" src="https://openlayers.org/en/v6.15.1/build/ol.js"></script>
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<!-- ol-ext -- >
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<link rel="stylesheet" href="../../dist/ol-ext.css" />
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<script type="text/javascript" src="../../dist/ol-ext.js"></script>
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<!-- -->
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<link rel="stylesheet" href="../style.css" />
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<style>
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#map {
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width: 600px;
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height: 400px;
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}
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</style>
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</head>
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<body >
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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
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<a href="../../index.html">
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<h1>ol-ext: </h1>
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</a>
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<div class="info">
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</div>
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<!-- Map DIV -->
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<div id="map"></div>
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<div class="options">
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Test opacity on VectorImage layer
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<br/>
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opacity: <input type="range" min="0" max="1" step="any" value=".7" />
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</div>
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<script type="text/javascript">
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// The map
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var map = new ol.Map({
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target: 'map',
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view: new ol.View({
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zoom: 4,
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center: [166326, 5992663]
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}),
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layers: [ new ol.layer.Tile({ title: 'OSM', source: new ol.source.OSM() }) ]
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});
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// Create a set of features on seed points
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function addFeatures(nb) {
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var ext = map.getView().calculateExtent(map.getSize());
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var dx = ext[2]-ext[0];
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var dy = ext[3]-ext[1];
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var features = [];
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for (var i=0; i<nb; i++) {
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var seed = [ext[0]+dx*Math.random(), ext[1]+dy*Math.random()]
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var f = new ol.Feature(new ol.geom.Point(seed));
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features.push(f);
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}
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source.addFeatures(features);
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}
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// Vector source
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var source = new ol.source.Vector();
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addFeatures(10);
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var layerSource = new ol.layer.VectorImage({
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title: 'Source',
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source: source,
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opacity: .7,
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visible:true,
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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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fill: new ol.style.Fill({ color: '#00F' })
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})
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})
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})
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map.addLayer(layerSource);
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var op = document.querySelector('input');
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op.addEventListener('change', function(e) {
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layerSource.setOpacity(parseFloat(op.value))
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})
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</script>
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</body>
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</html>
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