mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-25 17:36:21 +00:00
221 lines
5.9 KiB
HTML
221 lines
5.9 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: OpenAgenda</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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<!-- FontAwesome -->
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
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<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/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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<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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<script src="https://unpkg.com/elm-pep"></script>
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<!-- filesaver-js -->
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<script type="text/javascript" src="https://cdn.rawgit.com/eligrey/FileSaver.js/aa9f4e0e/FileSaver.min.js"></script>
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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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.fullscreen #map {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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width: 100%;
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height: 100%;
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}
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.fullscreen .options {
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position: fixed;
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top: 0;
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right: 0;
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}
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.fullscreen .info:last-child {
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display: none;
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}
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.waiting {
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opacity: .5;
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}
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.waiting:before {
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content: "Loading...";
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background: #fff;
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padding: 1em;
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font-size: 2em;
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top: 30%;
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left: 50%;
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position: fixed;
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transform: translate(-50%,-30%);
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z-index: 999;
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box-shadow: 1px 1px 2px 2px;
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}
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.fa-arrows-alt {
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float: right;
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cursor: pointer;
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}
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button {
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font-size: 1em;
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color: #fff;
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background: #369;
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border: 0;
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padding: .2em 1em;
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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: OpenAgenda</h1>
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</a>
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<div class="info">
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This example loads events from the <a href="https://openagenda.com/">Openagenda</a> on a map.
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<br/>
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You have to run <a href="https://alfilatov.com/posts/run-chrome-without-cors/">your browser without CORS</a> to enable event upload from the site.
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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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<i class="fa fa-arrows-alt" title="fullscreen" onclick="$('body').toggleClass('fullscreen'); map.updateSize();"></i>
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<h2>Options:</h2>
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<ul>
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<li>
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Agenda ID: <input id="id" />
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<button onclick="load($('#id').val())">
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<i class="fa fa-download"></i> load
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</button>
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</li><li>
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<button onclick="save()">
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<i class="fa fa-save"></i> save
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</button>
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</li>
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</ul>
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<div class="info"></div>
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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({ source: new ol.source.OSM() })]
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});
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var select = new ol.interaction.Select();
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map.addInteraction(select);
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select.on('select', function(e){
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if (e.selected.length){
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var f = e.selected[0];
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if (f) {
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$(".options .info").html(f.get('description')+'<br/>'+f.get('locationName'));
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} else {
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$(".options .info").html("");
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}
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} else {
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$(".options .info").html("");
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}
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});
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// Vector source
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var source = new ol.source.Vector();
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var layerSource = new ol.layer.Vector({ source: source })
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map.addLayer(layerSource);
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function load(id, i) {
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$('body').addClass('waiting');
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i = i || 0;
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if (i===0) source.clear();
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console.log('load', i);
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$.ajax({
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url: 'https://openagenda.com/agendas/'+id+'/events.json?lang=fr&limit='+(300*i+300)+'&offset='+(300*i),
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success: function(r){
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if (r.events && r.events.length) {
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getFeatures(r, i);
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console.log(source.getFeatures().length)
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load(id,i+1);
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} else {
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$('body').removeClass('waiting');
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alert (source.getFeatures().length + ' features loaded...');
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}
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},
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error: function() {
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$('body').removeClass('waiting');
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}
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});
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}
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function getFeatures(table, nb) {
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var features = [];
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table.events.forEach((e)=>{
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var attr = { geometry: new ol.geom.Point(ol.proj.fromLonLat([e.longitude, e.latitude])) };
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var attributes = ['address','city','image',
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'description.fr','locationName','longDescription.fr',
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'firstDate','range.fr','canonicalUrl','registrationUrl'
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];
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attributes.forEach(function(a) {
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a = a.split('.');
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if (a.length>1) {
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if (e[a[0]]) attr[a[0]] = e[a[0]][a[1]] || '';
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else attr[a[0]] = '';
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} else {
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attr[a[0]] = e[a[0]] || '';
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}
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})
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var tags = e.tags;
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if (tags.length > 3) {
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attr.tags = 'Divers';
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} else {
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attr.tags = [];
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tags.forEach(function(t) {
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attr.tags.push(t.label);
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})
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attr.tags = attr.tags.join(' - ');
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}
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source.addFeature(new ol.Feature(attr));
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})
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}
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// Save
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function save () {
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var format = new ol.format.GeoJSON();
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var data = format.writeFeatures(source.getFeatures(), {
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dataProjection: 'EPSG:4326',
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featureProjection: map.getView().getProjection()
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});
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var blob = new Blob([data], {type: "text/plain;charset=utf-8"});
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saveAs(blob, "agenda.geojson");
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}
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</script>
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</body>
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</html>
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