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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="wmts-hidpi.css">
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<title>High DPI WMTS</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="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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<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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<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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<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">
|
|
|
<h4 id="title">High DPI WMTS</h4>
|
|
|
<p class="tags">
|
|
|
<span class="badge-group">
|
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|
<a
|
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|
href="./index.html?q=hidpi" class="badge badge-info">hidpi</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="hidpi"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-hidpi.html">High DPI WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./reprojection.html">Raster Reprojection</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./xyz-retina.html">XYZ Retina Tiles</a>"
|
|
|
tabindex="0"
|
|
|
>3</a>
|
|
|
</span>
|
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|
<span class="badge-group">
|
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|
<a
|
|
|
href="./index.html?q=retina" class="badge badge-info">retina</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"
|
|
|
data-target="#tag-example-list"
|
|
|
data-title="retina"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-hidpi.html">High DPI WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./xyz-retina.html">XYZ Retina Tiles</a>"
|
|
|
tabindex="0"
|
|
|
>2</a>
|
|
|
</span>
|
|
|
<span class="badge-group">
|
|
|
<a
|
|
|
href="./index.html?q=wmts" class="badge badge-info">wmts</a
|
|
|
><a
|
|
|
class="badge badge-info tag-modal-toggle text-white"
|
|
|
data-toggle="modal"
|
|
|
data-target="#tag-example-list"
|
|
|
data-title="wmts"
|
|
|
data-content="
|
|
|
<a class="list-group-item list-group-item-action active" href="./wmts-hidpi.html">High DPI WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-ign.html">IGN WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./reprojection.html">Raster Reprojection</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts.html">WMTS</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-capabilities.html">WMTS Capabilities Parsing</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-layer-from-capabilities.html">WMTS Layer from Capabilities</a>
|
|
|
<a class="list-group-item list-group-item-action" href="./wmts-dimensions.html">WMTS Tile Transitions</a>"
|
|
|
tabindex="0"
|
|
|
>7</a>
|
|
|
</span>
|
|
|
</p>
|
|
|
<div class="modal modal-tag-example" id="tag-example-list" tabindex="-1" role="dialog" aria-labelledby="tag-example-title" aria-hidden="true">
|
|
|
<div class="modal-dialog modal-dialog-scrollable" role="document">
|
|
|
<div class="modal-content">
|
|
|
<div class="modal-header">
|
|
|
<h5 class="modal-title" id="tag-example-title"></h5>
|
|
|
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
|
|
|
<span aria-hidden="true">×</span>
|
|
|
</button>
|
|
|
</div>
|
|
|
<div class="modal-body">
|
|
|
<div class="list-group"></div>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
<div id="map" class="map"></div>
|
|
|
|
|
|
</div>
|
|
|
<form method="POST" id="codepen-form" target="_blank" action="https://codesandbox.io/api/v1/sandboxes/define">
|
|
|
<input id="codesandbox-params" type="hidden" name="parameters">
|
|
|
</form>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<div class="span12">
|
|
|
<p id="shortdesc">Example of a WMTS based HiDPI layer.</p>
|
|
|
<div id="docs"><p>The WMTS source has a <code>tilePixelRatio</code> option. A HiDPI capable WMTS could provide tiles with 512x512 pixel tiles, but use them in a 256x256 pixel tile grid. In this case <code>tilePixelRatio</code> needs to be set to <code>2</code>.</p>
|
|
|
</div>
|
|
|
</div>
|
|
|
</div>
|
|
|
|
|
|
<div class="row-fluid">
|
|
|
<h5 class="source-heading">main.js</h5>
|
|
|
<pre><code id="example-js-source" class="language-js">import 'ol/ol.css';
|
|
|
import Map from 'ol/Map';
|
|
|
import TileLayer from 'ol/layer/Tile';
|
|
|
import View from 'ol/View';
|
|
|
import WMTS, {optionsFromCapabilities} from 'ol/source/WMTS';
|
|
|
import WMTSCapabilities from 'ol/format/WMTSCapabilities';
|
|
|
import {DEVICE_PIXEL_RATIO} from 'ol/has';
|
|
|
|
|
|
const capabilitiesUrl = 'https://basemap.at/wmts/1.0.0/WMTSCapabilities.xml';
|
|
|
|
|
|
// HiDPI support:
|
|
|
// * Use 'bmaphidpi' layer (pixel ratio 2) for device pixel ratio > 1
|
|
|
// * Use 'geolandbasemap' layer (pixel ratio 1) for device pixel ratio == 1
|
|
|
const hiDPI = DEVICE_PIXEL_RATIO > 1;
|
|
|
const layer = hiDPI ? 'bmaphidpi' : 'geolandbasemap';
|
|
|
const tilePixelRatio = hiDPI ? 2 : 1;
|
|
|
|
|
|
const map = new Map({
|
|
|
target: 'map',
|
|
|
view: new View({
|
|
|
center: [1823849, 6143760],
|
|
|
zoom: 11,
|
|
|
}),
|
|
|
});
|
|
|
|
|
|
fetch(capabilitiesUrl)
|
|
|
.then(function (response) {
|
|
|
return response.text();
|
|
|
})
|
|
|
.then(function (text) {
|
|
|
const result = new WMTSCapabilities().read(text);
|
|
|
const options = optionsFromCapabilities(result, {
|
|
|
layer: layer,
|
|
|
matrixSet: 'google3857',
|
|
|
style: 'normal',
|
|
|
});
|
|
|
options.tilePixelRatio = tilePixelRatio;
|
|
|
options.attributions =
|
|
|
'Grundkarte: <a target="_blank" href="https://basemap.at/">basemap.at</a>';
|
|
|
map.addLayer(
|
|
|
new TileLayer({
|
|
|
source: new WMTS(options),
|
|
|
})
|
|
|
);
|
|
|
});
|
|
|
</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>High DPI WMTS</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;
|
|
|
}
|
|
|
.map {
|
|
|
background: white;
|
|
|
}
|
|
|
</style>
|
|
|
</head>
|
|
|
<body>
|
|
|
<div id="map" class="map"></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": "wmts-hidpi",
|
|
|
"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="wmts-hidpi.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>
|
