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444 lines
18 KiB
HTML
444 lines
18 KiB
HTML
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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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<link rel="stylesheet" href="drag-and-drop-custom-mvt.css">
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<title>Custom Drag-and-Drop (MVT preview)</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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<nav class="collapse navbar-collapse" id="olmenu">
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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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<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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</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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</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 (MVT preview)</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" 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 active" 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=mvt" class="badge badge-info">mvt</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="mvt"
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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-mvt.html">Custom Drag-and-Drop (MVT preview)</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 class="tileCoord">
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<a id="download" download></a>
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<span>Tile coordinate </span>
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<span> z: <input type="number" id="tileCoordZ" value="6" /></span>
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<span> x: <input type="number" id="tileCoordX" value="30" /></span>
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<span> y: <input type="number" id="tileCoordY" value="20" /></span>
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<span> </span>
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<button id="download-mvt">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 preview MVT tiles.</p>
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<div id="docs"><p>Example of using the drag-and-drop interaction with a custom format to preview MVT tiles. In addition to the formats used in the <a href="drag-and-drop.html">Drag-and-Drop</a> example individual MVT tiles can be previewed. 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 Feature from 'ol/Feature';
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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, MVT, 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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import {createXYZ} from 'ol/tilegrid';
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// Define a custom MVT format as ol/format/MVT requires an extent
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var tileCoordZ = document.getElementById('tileCoordZ');
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var tileCoordX = document.getElementById('tileCoordX');
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var tileCoordY = document.getElementById('tileCoordY');
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var customMVT = /*@__PURE__*/(function (MVT) {
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function customMVT() {
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MVT.call(this, {featureClass: Feature});
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}
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if ( MVT ) customMVT.__proto__ = MVT;
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customMVT.prototype = Object.create( MVT && MVT.prototype );
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customMVT.prototype.constructor = customMVT;
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customMVT.prototype.readFeatures = function readFeatures (source, options) {
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options.extent = createXYZ().getTileCoordExtent([
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parseInt(tileCoordZ.value),
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parseInt(tileCoordX.value),
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parseInt(tileCoordY.value) ]);
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return MVT.prototype.readFeatures.call(this, source, options);
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};
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return customMVT;
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}(MVT));
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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: [customMVT, 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',
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view: new View({
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center: [0, 0],
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zoom: 2,
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}),
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});
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dragAndDropInteraction.on('addfeatures', function (event) {
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var vectorSource = new VectorSource({
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features: event.features,
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});
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map.addLayer(
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new VectorLayer({
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source: vectorSource,
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})
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);
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map.getView().fit(vectorSource.getExtent());
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});
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var displayFeatureInfo = function (pixel) {
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var features = [];
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map.forEachFeatureAtPixel(pixel, function (feature) {
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features.push(feature);
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});
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if (features.length > 0) {
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var info = [];
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var i, ii;
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for (i = 0, ii = features.length; i < ii; ++i) {
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var description =
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features[i].get('name') ||
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features[i].get('_name') ||
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features[i].get('layer');
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if (description) {
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info.push(description);
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}
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}
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document.getElementById('info').innerHTML = info.join(', ') || '&nbsp';
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} else {
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document.getElementById('info').innerHTML = '&nbsp;';
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}
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};
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map.on('pointermove', function (evt) {
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if (evt.dragging) {
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return;
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}
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var pixel = map.getEventPixel(evt.originalEvent);
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displayFeatureInfo(pixel);
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});
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map.on('click', function (evt) {
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displayFeatureInfo(evt.pixel);
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});
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// Sample data download
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var link = document.getElementById('download');
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function download(fullpath, filename) {
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fetch(fullpath)
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.then(function (response) {
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return response.blob();
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})
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.then(function (blob) {
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if (navigator.msSaveBlob) {
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// link download attribuute does not work on MS browsers
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navigator.msSaveBlob(blob, filename);
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} else {
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link.href = URL.createObjectURL(blob);
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link.download = filename;
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link.click();
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}
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});
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}
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document.getElementById('download-mvt').addEventListener('click', function () {
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var fullpath =
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'https://basemaps.arcgis.com/v1/arcgis/rest/services/World_Basemap/VectorTileServer/tile/' +
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tileCoordZ.value +
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'/' +
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tileCoordY.value +
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'/' +
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tileCoordX.value +
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'.pbf';
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var filename =
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tileCoordZ.value + '-' + tileCoordX.value + '-' + tileCoordY.value + '.mvt';
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download(fullpath, filename);
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});
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</code></pre>
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</div>
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<div class="row-fluid">
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<h5 class="source-heading">index.html</h5>
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<pre><code id="example-html-source" class="language-markup"><!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Custom Drag-and-Drop (MVT preview)</title>
|
|
<!-- 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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<style>
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.map {
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width: 100%;
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height:400px;
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}
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.tileCoord input {
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width: 60px;
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}
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</style>
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</head>
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<body>
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<div id="map" class="map"></div>
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<br />
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<div class="tileCoord">
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<a id="download" download></a>
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<span>Tile coordinate&nbsp;&nbsp;</span>
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<span>&nbsp;z: <input type="number" id="tileCoordZ" value="6" /></span>
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<span>&nbsp;x: <input type="number" id="tileCoordX" value="30" /></span>
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<span>&nbsp;y: <input type="number" id="tileCoordY" value="20" /></span>
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<span>&nbsp;&nbsp;</span>
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<button id="download-mvt">Download sample</button>
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</div>
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<br />
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<div id="info">&nbsp;</div>
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<script src="main.js"></script>
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</body>
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</html></code></pre>
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</div>
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<div class="row-fluid">
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<h5 class="source-heading">package.json</h5>
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<pre><code id="example-pkg-source" class="language-json">{
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"name": "drag-and-drop-custom-mvt",
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"dependencies": {
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"ol": "6.5.0"
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},
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"devDependencies": {
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"parcel": "^2.0.0-beta.1"
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},
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"scripts": {
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"start": "parcel index.html",
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"build": "parcel build --public-url . index.html"
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}
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}</code></pre>
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</div>
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</div>
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<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.bundle.min.js"></script>
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<script src="./resources/prism/prism-1.20.0.min.js"></script>
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<script src="./resources/common.js"></script>
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<script src="common.js"></script>
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<script src="drag-and-drop-custom-mvt.js"></script>
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<script>
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$('#tag-example-list').on('show.bs.modal', function (event) {
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const button = $(event.relatedTarget); // Button that triggered the modal
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const title = button.data('title');
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const content = button.data('content');
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const modal = $(this)
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modal.find('.modal-title').text(title);
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modal.find('.modal-body').html(content);
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});
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var packageUrl = 'https://raw.githubusercontent.com/openlayers/openlayers.github.io/build/package.json';
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fetch(packageUrl).then(function(response) {
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return response.json();
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}).then(function(json) {
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var latestVersion = json.version;
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document.getElementById('latest-version').innerHTML = latestVersion;
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var url = window.location.href;
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var branchSearch = url.match(/\/([^\/]*)\/examples\//);
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var cookieText = 'dismissed=-' + latestVersion + '-';
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var dismissed = document.cookie.indexOf(cookieText) != -1;
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if (branchSearch && !dismissed && /^v[0-9\.]*$/.test(branchSearch[1]) && '6.5.0' != latestVersion) {
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var link = url.replace(branchSearch[0], '/latest/examples/');
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fetch(link, {method: 'head'}).then(function(response) {
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var a = document.getElementById('latest-link');
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a.href = response.status == 200 ? link : '../../latest/examples/';
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|
});
|
|
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>
|