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517 lines
21 KiB
HTML
517 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,TextDecoder"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.18.3/minified.js"></script>
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<title>IGC Data</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>6.12.0</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">IGC Data</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=complex-geometry" class="badge badge-info">complex-geometry</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="complex-geometry"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./igc.html">IGC Data</a>"
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tabindex="0"
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>1</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=closest-feature" class="badge badge-info">closest-feature</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="closest-feature"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./igc.html">IGC Data</a>"
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tabindex="0"
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>1</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=igc" class="badge badge-info">igc</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="igc"
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data-content="
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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 active" href="./igc.html">IGC Data</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=opencyclemap" class="badge badge-info">opencyclemap</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="opencyclemap"
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data-content="
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<a class="list-group-item list-group-item-action active" href="./igc.html">IGC Data</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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<input id="time" type="range" value="0" steps="1" />
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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 tracks recorded from multiple paraglider flights on the same day, read from an IGC file.</p>
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<div id="docs"><p>The five tracks contain a total of 49,707 unique coordinates. Zoom in to see more detail. The background layer is from <a href="https://www.opencyclemap.org/">OpenCycleMap</a>.</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 Feature from 'ol/Feature';
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import IGC from 'ol/format/IGC';
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import Map from 'ol/Map';
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import OSM, {ATTRIBUTION} from 'ol/source/OSM';
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import VectorSource from 'ol/source/Vector';
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import View from 'ol/View';
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import {Circle as CircleStyle, Fill, Stroke, Style} from 'ol/style';
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import {LineString, Point} from 'ol/geom';
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import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
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import {getVectorContext} from 'ol/render';
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const colors = {
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'Clement Latour': 'rgba(0, 0, 255, 0.7)',
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'Damien de Baesnt': 'rgba(0, 215, 255, 0.7)',
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'Sylvain Dhonneur': 'rgba(0, 165, 255, 0.7)',
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'Tom Payne': 'rgba(0, 255, 255, 0.7)',
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'Ulrich Prinz': 'rgba(0, 215, 255, 0.7)',
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};
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const styleCache = {};
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const styleFunction = function (feature) {
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const color = colors[feature.get('PLT')];
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let style = styleCache[color];
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if (!style) {
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style = new Style({
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stroke: new Stroke({
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color: color,
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width: 3,
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}),
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});
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styleCache[color] = style;
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}
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return style;
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};
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const vectorSource = new VectorSource();
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const igcUrls = [
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'data/igc/Clement-Latour.igc',
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'data/igc/Damien-de-Baenst.igc',
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'data/igc/Sylvain-Dhonneur.igc',
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'data/igc/Tom-Payne.igc',
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'data/igc/Ulrich-Prinz.igc',
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];
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function get(url, callback) {
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const client = new XMLHttpRequest();
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client.open('GET', url);
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client.onload = function () {
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callback(client.responseText);
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};
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client.send();
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}
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const igcFormat = new IGC();
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for (let i = 0; i < igcUrls.length; ++i) {
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get(igcUrls[i], function (data) {
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const features = igcFormat.readFeatures(data, {
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featureProjection: 'EPSG:3857',
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});
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vectorSource.addFeatures(features);
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});
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}
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const time = {
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start: Infinity,
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stop: -Infinity,
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duration: 0,
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};
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vectorSource.on('addfeature', function (event) {
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const geometry = event.feature.getGeometry();
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time.start = Math.min(time.start, geometry.getFirstCoordinate()[2]);
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time.stop = Math.max(time.stop, geometry.getLastCoordinate()[2]);
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time.duration = time.stop - time.start;
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});
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const vectorLayer = new VectorLayer({
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source: vectorSource,
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style: styleFunction,
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});
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const map = new Map({
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layers: [
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new TileLayer({
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source: new OSM({
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attributions: [
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'All maps © <a href="https://www.opencyclemap.org/">OpenCycleMap</a>',
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ATTRIBUTION,
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],
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url:
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'https://{a-c}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png' +
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'?apikey=Your API key from https://www.thunderforest.com/docs/apikeys/ here',
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}),
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}),
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vectorLayer,
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],
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target: 'map',
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view: new View({
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|
|
center: [703365.7089403362, 5714629.865071137],
|
||
|
|
zoom: 9,
|
||
|
|
}),
|
||
|
|
});
|
||
|
|
|
||
|
|
let point = null;
|
||
|
|
let line = null;
|
||
|
|
const displaySnap = function (coordinate) {
|
||
|
|
const closestFeature = vectorSource.getClosestFeatureToCoordinate(coordinate);
|
||
|
|
const info = document.getElementById('info');
|
||
|
|
if (closestFeature === null) {
|
||
|
|
point = null;
|
||
|
|
line = null;
|
||
|
|
info.innerHTML = '&nbsp;';
|
||
|
|
} else {
|
||
|
|
const geometry = closestFeature.getGeometry();
|
||
|
|
const closestPoint = geometry.getClosestPoint(coordinate);
|
||
|
|
if (point === null) {
|
||
|
|
point = new Point(closestPoint);
|
||
|
|
} else {
|
||
|
|
point.setCoordinates(closestPoint);
|
||
|
|
}
|
||
|
|
const date = new Date(closestPoint[2] * 1000);
|
||
|
|
info.innerHTML =
|
||
|
|
closestFeature.get('PLT') + ' (' + date.toUTCString() + ')';
|
||
|
|
const coordinates = [coordinate, [closestPoint[0], closestPoint[1]]];
|
||
|
|
if (line === null) {
|
||
|
|
line = new LineString(coordinates);
|
||
|
|
} else {
|
||
|
|
line.setCoordinates(coordinates);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
map.render();
|
||
|
|
};
|
||
|
|
|
||
|
|
map.on('pointermove', function (evt) {
|
||
|
|
if (evt.dragging) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const coordinate = map.getEventCoordinate(evt.originalEvent);
|
||
|
|
displaySnap(coordinate);
|
||
|
|
});
|
||
|
|
|
||
|
|
map.on('click', function (evt) {
|
||
|
|
displaySnap(evt.coordinate);
|
||
|
|
});
|
||
|
|
|
||
|
|
const stroke = new Stroke({
|
||
|
|
color: 'rgba(255,0,0,0.9)',
|
||
|
|
width: 1,
|
||
|
|
});
|
||
|
|
const style = new Style({
|
||
|
|
stroke: stroke,
|
||
|
|
image: new CircleStyle({
|
||
|
|
radius: 5,
|
||
|
|
fill: null,
|
||
|
|
stroke: stroke,
|
||
|
|
}),
|
||
|
|
});
|
||
|
|
vectorLayer.on('postrender', function (evt) {
|
||
|
|
const vectorContext = getVectorContext(evt);
|
||
|
|
vectorContext.setStyle(style);
|
||
|
|
if (point !== null) {
|
||
|
|
vectorContext.drawGeometry(point);
|
||
|
|
}
|
||
|
|
if (line !== null) {
|
||
|
|
vectorContext.drawGeometry(line);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
const featureOverlay = new VectorLayer({
|
||
|
|
source: new VectorSource(),
|
||
|
|
map: map,
|
||
|
|
style: new Style({
|
||
|
|
image: new CircleStyle({
|
||
|
|
radius: 5,
|
||
|
|
fill: new Fill({
|
||
|
|
color: 'rgba(255,0,0,0.9)',
|
||
|
|
}),
|
||
|
|
}),
|
||
|
|
}),
|
||
|
|
});
|
||
|
|
|
||
|
|
const control = document.getElementById('time');
|
||
|
|
const listener = function () {
|
||
|
|
const value = parseInt(control.value, 10) / 100;
|
||
|
|
const m = time.start + time.duration * value;
|
||
|
|
vectorSource.forEachFeature(function (feature) {
|
||
|
|
const geometry =
|
||
|
|
/** @type {import("../src/ol/geom/LineString.js").default} */ (
|
||
|
|
feature.getGeometry()
|
||
|
|
);
|
||
|
|
const coordinate = geometry.getCoordinateAtM(m, true);
|
||
|
|
let highlight = feature.get('highlight');
|
||
|
|
if (highlight === undefined) {
|
||
|
|
highlight = new Feature(new Point(coordinate));
|
||
|
|
feature.set('highlight', highlight);
|
||
|
|
featureOverlay.getSource().addFeature(highlight);
|
||
|
|
} else {
|
||
|
|
highlight.getGeometry().setCoordinates(coordinate);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
map.render();
|
||
|
|
};
|
||
|
|
control.addEventListener('input', listener);
|
||
|
|
control.addEventListener('change', listener);
|
||
|
|
</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>IGC Data</title>
|
||
|
|
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
|
||
|
|
<script src="https://unpkg.com/elm-pep"></script>
|
||
|
|
<!-- The lines below are 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,TextDecoder"></script>
|
||
|
|
<script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/3.18.3/minified.js"></script>
|
||
|
|
<style>
|
||
|
|
.map {
|
||
|
|
width: 100%;
|
||
|
|
height:400px;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="map" class="map"></div>
|
||
|
|
<input id="time" type="range" value="0" steps="1" />
|
||
|
|
<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": "igc",
|
||
|
|
"dependencies": {
|
||
|
|
"ol": "6.12.0"
|
||
|
|
},
|
||
|
|
"devDependencies": {
|
||
|
|
"parcel": "^2.0.0"
|
||
|
|
},
|
||
|
|
"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="igc.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]) && '6.12.0' != 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>
|