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487 lines
21 KiB
HTML
487 lines
21 KiB
HTML
2 weeks ago
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<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=Edge">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<script>
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var gaProperty = 'UA-2577926-1';
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// Disable tracking if the opt-out cookie exists.
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var disableStr = 'ga-disable-' + gaProperty;
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if (document.cookie.indexOf(disableStr + '=true') > -1) {
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window[disableStr] = true;
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}
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function gaOptout() {
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document.cookie = disableStr + '=true; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
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window[disableStr] = true;
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}
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function gaOptoutRevoke() {
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document.cookie = disableStr + '=false; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
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window[disableStr] = false;
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}
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</script>
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<!-- Global site tag (gtag.js) - Google Analytics -->
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<script async src="https://www.googletagmanager.com/gtag/js?id=UA-2577926-1"></script>
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<script>
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window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', 'UA-2577926-1', { 'anonymize_ip': true });
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</script>
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<link rel="stylesheet" type="text/css" href="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.css" />
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<script src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.js"></script>
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<script src="https://unpkg.com/lz-string@1.4.4/libs/lz-string.min.js"></script>
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<script>
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window.addEventListener("load", function() {
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window.cookieconsent.initialise({
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'palette': {
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'popup': {
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'background': '#eaf7f7',
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'text': '#5c7291'
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},
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'button': {
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'background': '#56cbdb',
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'text': '#ffffff'
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}
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},
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'theme': 'edgeless',
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'type': 'opt-out',
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'onInitialise': function (status) {
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if (!this.hasConsented()) {
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gaOptout()
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}
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},
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'onStatusChange': function(status, chosenBefore) {
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if (!this.hasConsented()) {
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gaOptout()
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}
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},
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'onRevokeChoice': function() {
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gaOptoutRevoke()
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}
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})
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});
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</script>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" type="text/css">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="./resources/prism/prism-1.20.0.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="https://unpkg.com/elm-pep"></script>
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<script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL,TextDecoder"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.6.1/jszip.min.js"></script>
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<link rel="stylesheet" href="drag-and-drop-custom-kmz.css">
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<title>Custom Drag-and-Drop (KMZ)</title>
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</head>
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<body>
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<header class="navbar navbar-expand-sm navbar-dark mb-3 py-0" role="navigation">
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<a class="navbar-brand" href="https://openlayers.org/"><img src="./resources/logo-70x70.png" alt=""> OpenLayers</a>
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<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#olmenu" aria-controls="olmenu" aria-expanded="false" aria-label="Toggle navigation">
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<span class="navbar-toggler-icon"></span>
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</button>
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<!-- menu items that get hidden below 768px width -->
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<nav class="collapse navbar-collapse" id="olmenu">
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<ul class="nav navbar-nav ml-auto">
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<li class="nav-item dropdown">
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<a class="nav-link dropdown-toggle" href="#" id="docdropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Docs</a>
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<div class="dropdown-menu dropdown-menu-right mb-3" aria-labelledby="docdropdown">
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<a class="dropdown-item" href="../doc/">Docs</a>
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<div class="dropdown-divider"></div>
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<a class="dropdown-item" href="../doc/quickstart.html"><i class="fa fa-check fa-fw mr-2 fa-lg"></i>Quick Start</a>
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<a class="dropdown-item" href="../doc/faq.html"><i class="fa fa-question fa-fw mr-2 fa-lg"></i>FAQ</a>
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<a class="dropdown-item" href="../doc/tutorials/"><i class="fa fa-book fa-fw mr-2 fa-lg"></i>Tutorials</a>
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<a class="dropdown-item" href="/workshop/"><i class="fa fa-graduation-cap fa-fw mr-2 fa-lg"></i>Workshop</a>
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<div class="dropdown-divider"></div>
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<a class="dropdown-item" href="https://stackoverflow.com/questions/tagged/openlayers"><i class="fa fa-stack-overflow fa-fw mr-2"></i>Ask a Question</a>
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</div>
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</li>
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<li class="nav-item active"><a class="nav-link" href="../examples/">Examples</a></li>
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<li class="nav-item"><a class="nav-link" href="../apidoc/"><i class="fa fa-sitemap mr-1"></i>API</a></li>
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<li class="nav-item dropdown">
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<a class="nav-link dropdown-toggle" href="#" id="codedropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Code</a>
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<div class="dropdown-menu dropdown-menu-right mb-3" aria-labelledby="codedropdown">
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<a class="dropdown-item" href="https://github.com/openlayers/openlayers"><i class="fa fa-github fa-fw mr-2 fa-lg"></i>Repository</a>
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<a class="dropdown-item" href="/download/"><i class="fa fa-download fa-fw mr-2 fa-lg"></i>Download</a>
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</div>
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</li>
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</ul>
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</nav>
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</header>
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<div class="container-fluid line-numbers">
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<div id="latest-check" class="alert alert-warning alert-dismissible" role="alert" style="display:none">
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<button id="latest-dismiss" type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
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This example uses OpenLayers v<span>6.5.0</span>. The <a id="latest-link" href="#" class="alert-link">latest</a> is v<span id="latest-version"></span>.
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</div>
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<div class="row-fluid">
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<a href="#" id="codepen-button" class="btn btn-link float-right">
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<i class="fa fa-codepen fa-lg"></i> Edit
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</a>
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<div class="span12">
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<h4 id="title">Custom Drag-and-Drop (KMZ)</h4>
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<p class="tags">
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<span class="badge-group">
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<a
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href="./index.html?q=drag-and-drop" class="badge badge-info">drag-and-drop</a
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><a
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class="badge badge-info tag-modal-toggle text-white"
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data-toggle="modal"
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data-target="#tag-example-list"
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data-title="drag-and-drop"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./drag-and-drop-custom-kmz.html">Custom Drag-and-Drop (KMZ)</a>
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<a class="list-group-item list-group-item-action" href="./drag-and-drop-custom-mvt.html">Custom Drag-and-Drop (MVT preview)</a>
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<a class="list-group-item list-group-item-action" href="./drag-and-drop.html">Drag-and-Drop</a>"
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tabindex="0"
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>3</a>
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</span>
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<span class="badge-group">
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<a
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href="./index.html?q=kml" class="badge badge-info">kml</a
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><a
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class="badge badge-info tag-modal-toggle text-white"
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data-toggle="modal"
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data-target="#tag-example-list"
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data-title="kml"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./drag-and-drop-custom-kmz.html">Custom Drag-and-Drop (KMZ)</a>
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<a class="list-group-item list-group-item-action" href="./drag-and-drop.html">Drag-and-Drop</a>
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<a class="list-group-item list-group-item-action" href="./drag-and-drop-image-vector.html">Drag-and-Drop Image Vector</a>
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<a class="list-group-item list-group-item-action" href="./earthquake-clusters.html">Earthquake Clusters</a>
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<a class="list-group-item list-group-item-action" href="./heatmap-earthquakes.html">Earthquakes Heatmap</a>
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<a class="list-group-item list-group-item-action" href="./kml-earthquakes.html">Earthquakes in KML</a>
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<a class="list-group-item list-group-item-action" href="./earthquake-custom-symbol.html">Earthquakes with custom symbols</a>
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<a class="list-group-item list-group-item-action" href="./kml.html">KML</a>
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<a class="list-group-item list-group-item-action" href="./kml-timezones.html">Timezones in KML</a>"
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tabindex="0"
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>9</a>
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</span>
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<span class="badge-group">
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<a
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href="./index.html?q=kmz" class="badge badge-info">kmz</a
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><a
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class="badge badge-info tag-modal-toggle text-white"
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data-toggle="modal"
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data-target="#tag-example-list"
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data-title="kmz"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./drag-and-drop-custom-kmz.html">Custom Drag-and-Drop (KMZ)</a>"
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tabindex="0"
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>1</a>
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</span>
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</p>
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<div class="modal modal-tag-example" id="tag-example-list" tabindex="-1" role="dialog" aria-labelledby="tag-example-title" aria-hidden="true">
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<div class="modal-dialog modal-dialog-scrollable" role="document">
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<div class="modal-content">
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<div class="modal-header">
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<h5 class="modal-title" id="tag-example-title"></h5>
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<button type="button" class="close" data-dismiss="modal" aria-label="Close">
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<span aria-hidden="true">×</span>
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</button>
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</div>
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<div class="modal-body">
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<div class="list-group"></div>
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</div>
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</div>
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</div>
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</div>
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<div id="map" class="map"></div>
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<br />
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<div>
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<a id="download" download></a>
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<button id="download-kmz">Download sample</button>
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</div>
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<br />
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<div id="info"> </div>
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</div>
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<form method="POST" id="codepen-form" target="_blank" action="https://codesandbox.io/api/v1/sandboxes/define">
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<input id="codesandbox-params" type="hidden" name="parameters">
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</form>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<p id="shortdesc">Example of using the drag-and-drop interaction with a custom format to handle KMZ files.</p>
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<div id="docs"><p>Example of using the drag-and-drop interaction with a custom format to handle KMZ files. In addition to the formats used in the <a href="drag-and-drop.html">Drag-and-Drop</a> example a custom format (subclassing KML) is used to handle KMZ files. KML and icons must be extracted from the KMZ array buffer synchronously. <a href="https://stuk.github.io/jszip/documentation/upgrade_guide.html" target="_blank">JSZip 2.x</a> is used as it has better browser compatibility and is simpler to code than the more recent <a href="https://github.com/ericvergnaud/jszip#readme" target="_blank">JSZip-sync</a>. There is no projection transform support, so this will only work with data in EPSG:4326 and EPSG:3857.</p>
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</div>
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</div>
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</div>
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<div class="row-fluid">
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<h5 class="source-heading">main.js</h5>
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<pre><code id="example-js-source" class="language-js">import 'ol/ol.css';
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import Map from 'ol/Map';
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import View from 'ol/View';
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import {
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DragAndDrop,
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defaults as defaultInteractions,
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} from 'ol/interaction';
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import {GPX, GeoJSON, IGC, KML, TopoJSON} from 'ol/format';
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import {OSM, Vector as VectorSource} from 'ol/source';
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import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
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// Create functions to extract KML and icons from KMZ array buffer,
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// which must be done synchronously.
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var zip = new JSZip();
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function getKMLData(buffer) {
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var kmlData;
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zip.load(buffer);
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var kmlFile = zip.file(/.kml$/i)[0];
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if (kmlFile) {
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kmlData = kmlFile.asText();
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}
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return kmlData;
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}
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function getKMLImage(href) {
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var url = href;
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var path = window.location.href;
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path = path.slice(0, path.lastIndexOf('/') + 1);
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if (href.indexOf(path) === 0) {
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var regexp = new RegExp(href.replace(path, '') + '$', 'i');
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var kmlFile = zip.file(regexp)[0];
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if (kmlFile) {
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url = URL.createObjectURL(new Blob([kmlFile.asArrayBuffer()]));
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}
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}
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return url;
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}
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// Define a KMZ format class by subclassing ol/format/KML
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var KMZ = /*@__PURE__*/(function (KML) {
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function KMZ(opt_options) {
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var options = opt_options || {};
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options.iconUrlFunction = getKMLImage;
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KML.call(this, options);
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}
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if ( KML ) KMZ.__proto__ = KML;
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KMZ.prototype = Object.create( KML && KML.prototype );
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KMZ.prototype.constructor = KMZ;
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KMZ.prototype.getType = function getType () {
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return 'arraybuffer';
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};
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KMZ.prototype.readFeature = function readFeature (source, options) {
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var kmlData = getKMLData(source);
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return KML.prototype.readFeature.call(this, kmlData, options);
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};
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KMZ.prototype.readFeatures = function readFeatures (source, options) {
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var kmlData = getKMLData(source);
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return KML.prototype.readFeatures.call(this, kmlData, options);
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};
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return KMZ;
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}(KML));
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// Set up map with Drag and Drop interaction
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var dragAndDropInteraction = new DragAndDrop({
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formatConstructors: [KMZ, GPX, GeoJSON, IGC, KML, TopoJSON],
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});
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var map = new Map({
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interactions: defaultInteractions().extend([dragAndDropInteraction]),
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layers: [
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new TileLayer({
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source: new OSM(),
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}) ],
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|
target: 'map',
|
||
|
|
view: new View({
|
||
|
|
center: [0, 0],
|
||
|
|
zoom: 2,
|
||
|
|
}),
|
||
|
|
});
|
||
|
|
|
||
|
|
dragAndDropInteraction.on('addfeatures', function (event) {
|
||
|
|
var vectorSource = new VectorSource({
|
||
|
|
features: event.features,
|
||
|
|
});
|
||
|
|
map.addLayer(
|
||
|
|
new VectorLayer({
|
||
|
|
source: vectorSource,
|
||
|
|
})
|
||
|
|
);
|
||
|
|
map.getView().fit(vectorSource.getExtent());
|
||
|
|
});
|
||
|
|
|
||
|
|
var displayFeatureInfo = function (pixel) {
|
||
|
|
var features = [];
|
||
|
|
map.forEachFeatureAtPixel(pixel, function (feature) {
|
||
|
|
features.push(feature);
|
||
|
|
});
|
||
|
|
if (features.length > 0) {
|
||
|
|
var info = [];
|
||
|
|
var i, ii;
|
||
|
|
for (i = 0, ii = features.length; i < ii; ++i) {
|
||
|
|
var description =
|
||
|
|
features[i].get('description') ||
|
||
|
|
features[i].get('name') ||
|
||
|
|
features[i].get('_name') ||
|
||
|
|
features[i].get('layer');
|
||
|
|
if (description) {
|
||
|
|
info.push(description);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
document.getElementById('info').innerHTML = info.join('<br/>') || '&nbsp';
|
||
|
|
} else {
|
||
|
|
document.getElementById('info').innerHTML = '&nbsp;';
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
map.on('pointermove', function (evt) {
|
||
|
|
if (evt.dragging) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pixel = map.getEventPixel(evt.originalEvent);
|
||
|
|
displayFeatureInfo(pixel);
|
||
|
|
});
|
||
|
|
|
||
|
|
map.on('click', function (evt) {
|
||
|
|
displayFeatureInfo(evt.pixel);
|
||
|
|
});
|
||
|
|
|
||
|
|
// Sample data download
|
||
|
|
|
||
|
|
var link = document.getElementById('download');
|
||
|
|
|
||
|
|
function download(fullpath, filename) {
|
||
|
|
fetch(fullpath)
|
||
|
|
.then(function (response) {
|
||
|
|
return response.blob();
|
||
|
|
})
|
||
|
|
.then(function (blob) {
|
||
|
|
if (navigator.msSaveBlob) {
|
||
|
|
// link download attribuute does not work on MS browsers
|
||
|
|
navigator.msSaveBlob(blob, filename);
|
||
|
|
} else {
|
||
|
|
link.href = URL.createObjectURL(blob);
|
||
|
|
link.download = filename;
|
||
|
|
link.click();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
document.getElementById('download-kmz').addEventListener('click', function () {
|
||
|
|
download('data/kmz/iceland.kmz', 'iceland.kmz');
|
||
|
|
});
|
||
|
|
</code></pre>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<div class="row-fluid">
|
||
|
|
<h5 class="source-heading">index.html</h5>
|
||
|
|
<pre><code id="example-html-source" class="language-markup"><!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<meta charset="UTF-8">
|
||
|
|
<title>Custom Drag-and-Drop (KMZ)</title>
|
||
|
|
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
|
||
|
|
<script src="https://unpkg.com/elm-pep"></script>
|
||
|
|
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
|
||
|
|
<script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL,TextDecoder"></script>
|
||
|
|
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.6.1/jszip.min.js"></script>
|
||
|
|
<style>
|
||
|
|
.map {
|
||
|
|
width: 100%;
|
||
|
|
height:400px;
|
||
|
|
}
|
||
|
|
#info {
|
||
|
|
width: 100%;
|
||
|
|
height: 24rem;
|
||
|
|
overflow: scroll;
|
||
|
|
display: flex;
|
||
|
|
align-items: baseline;
|
||
|
|
border: 1px solid black;
|
||
|
|
justify-content: flex-start;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="map" class="map"></div>
|
||
|
|
<br />
|
||
|
|
<div>
|
||
|
|
<a id="download" download></a>
|
||
|
|
<button id="download-kmz">Download sample</button>
|
||
|
|
</div>
|
||
|
|
<br />
|
||
|
|
<div id="info">&nbsp;</div>
|
||
|
|
<script src="main.js"></script>
|
||
|
|
</body>
|
||
|
|
</html></code></pre>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="row-fluid">
|
||
|
|
<h5 class="source-heading">package.json</h5>
|
||
|
|
<pre><code id="example-pkg-source" class="language-json">{
|
||
|
|
"name": "drag-and-drop-custom-kmz",
|
||
|
|
"dependencies": {
|
||
|
|
"ol": "6.5.0"
|
||
|
|
},
|
||
|
|
"devDependencies": {
|
||
|
|
"parcel": "^2.0.0-beta.1"
|
||
|
|
},
|
||
|
|
"scripts": {
|
||
|
|
"start": "parcel index.html",
|
||
|
|
"build": "parcel build --public-url . index.html"
|
||
|
|
}
|
||
|
|
}</code></pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
|
||
|
|
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.bundle.min.js"></script>
|
||
|
|
<script src="./resources/prism/prism-1.20.0.min.js"></script>
|
||
|
|
<script src="./resources/common.js"></script>
|
||
|
|
<script src="common.js"></script>
|
||
|
|
<script src="drag-and-drop-custom-kmz.js"></script>
|
||
|
|
<script>
|
||
|
|
$('#tag-example-list').on('show.bs.modal', function (event) {
|
||
|
|
const button = $(event.relatedTarget); // Button that triggered the modal
|
||
|
|
const title = button.data('title');
|
||
|
|
const content = button.data('content');
|
||
|
|
const modal = $(this)
|
||
|
|
modal.find('.modal-title').text(title);
|
||
|
|
modal.find('.modal-body').html(content);
|
||
|
|
});
|
||
|
|
|
||
|
|
var packageUrl = 'https://raw.githubusercontent.com/openlayers/openlayers.github.io/build/package.json';
|
||
|
|
fetch(packageUrl).then(function(response) {
|
||
|
|
return response.json();
|
||
|
|
}).then(function(json) {
|
||
|
|
var latestVersion = json.version;
|
||
|
|
document.getElementById('latest-version').innerHTML = latestVersion;
|
||
|
|
var url = window.location.href;
|
||
|
|
var branchSearch = url.match(/\/([^\/]*)\/examples\//);
|
||
|
|
var cookieText = 'dismissed=-' + latestVersion + '-';
|
||
|
|
var dismissed = document.cookie.indexOf(cookieText) != -1;
|
||
|
|
if (branchSearch && !dismissed && /^v[0-9\.]*$/.test(branchSearch[1]) && '6.5.0' != latestVersion) {
|
||
|
|
var link = url.replace(branchSearch[0], '/latest/examples/');
|
||
|
|
fetch(link, {method: 'head'}).then(function(response) {
|
||
|
|
var a = document.getElementById('latest-link');
|
||
|
|
a.href = response.status == 200 ? link : '../../latest/examples/';
|
||
|
|
});
|
||
|
|
var latestCheck = document.getElementById('latest-check');
|
||
|
|
latestCheck.style.display = '';
|
||
|
|
document.getElementById('latest-dismiss').onclick = function() {
|
||
|
|
latestCheck.style.display = 'none';
|
||
|
|
document.cookie = cookieText;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|