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<title>XYZ Retina Tiles</title>
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<span class="navbar-toggler-icon"></span>
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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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<button id="latest-dismiss" type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
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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<i class="fa fa-codepen fa-lg"></i> Edit
</a>
<div class="span12">
<h4 id="title">XYZ Retina Tiles</h4>
<p class="tags">
<span class="badge-group">
<a
href="./index.html?q=retina" class="badge badge-info">retina</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="retina"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wmts-hidpi.html&quot;&gt;High DPI WMTS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>2</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=hidpi" class="badge badge-info">hidpi</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="hidpi"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./wmts-hidpi.html&quot;&gt;High DPI WMTS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./reprojection.html&quot;&gt;Raster Reprojection&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>3</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=xyz" class="badge badge-info">xyz</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="xyz"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./xyz-esri-4326-512.html&quot;&gt;ArcGIS REST with 512x512 Tiles&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./disable-image-smoothing.html&quot;&gt;Disable Image Smoothing&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./full-screen.html&quot;&gt;Full Screen Control&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./full-screen-drag-rotate-and-zoom.html&quot;&gt;Full Screen Drag, Rotate, and Zoom&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./side-by-side.html&quot;&gt;Shared Views&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./xyz.html&quot;&gt;XYZ&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./xyz-esri.html&quot;&gt;XYZ Esri&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>8</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=maptiler" class="badge badge-info">maptiler</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="maptiler"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./zoom-constrained.html&quot;&gt;Constrained Zoom&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./disable-image-smoothing.html&quot;&gt;Disable Image Smoothing&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./drag-and-drop.html&quot;&gt;Drag-and-Drop&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./drag-and-drop-image-vector.html&quot;&gt;Drag-and-Drop Image Vector&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./full-screen.html&quot;&gt;Full Screen Control&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./full-screen-drag-rotate-and-zoom.html&quot;&gt;Full Screen Drag, Rotate, and Zoom&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./gpx.html&quot;&gt;GPX Data&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./image-filter.html&quot;&gt;Image Filters&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./kml.html&quot;&gt;KML&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./layer-spy.html&quot;&gt;Layer Spy&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./layer-swipe.html&quot;&gt;Layer Swipe&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./magnify.html&quot;&gt;Magnify&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./mapbox-layer.html&quot;&gt;Mapbox-gl Layer&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./feature-move-animation.html&quot;&gt;Marker Animation&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./vector-osm.html&quot;&gt;OSM XML&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./raster.html&quot;&gt;Raster Source&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./region-growing.html&quot;&gt;Region Growing&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./side-by-side.html&quot;&gt;Shared Views&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./street-labels.html&quot;&gt;Street Labels&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./mapbox-style.html&quot;&gt;Vector tiles created from a Mapbox Style object&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./vector-tiles-4326.html&quot;&gt;Vector tiles in EPSG:4326&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./vector-wfs.html&quot;&gt;WFS&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action&quot; href=&quot;./vector-wfs-getfeature.html&quot;&gt;WFS - GetFeature&lt;/a&gt;
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>24</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=@2x" class="badge badge-info">@2x</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="@2x"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>1</a>
</span>
<span class="badge-group">
<a
href="./index.html?q=devicePixelRatio" class="badge badge-info">devicePixelRatio</a
><a
class="badge badge-info tag-modal-toggle text-white"
data-toggle="modal"
data-target="#tag-example-list"
data-title="devicePixelRatio"
data-content="
&lt;a class=&quot;list-group-item list-group-item-action active&quot; href=&quot;./xyz-retina.html&quot;&gt;XYZ Retina Tiles&lt;/a&gt;"
tabindex="0"
>1</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">&times;</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 Retina / HiDPI mercator tiles (512x512px) available as XYZ.</p>
<div id="docs"><p>The XYZ source accepts a <code>tilePixelRatio</code> option.</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 &#x27;ol/Map&#x27;;
import OSM from &#x27;ol/source/OSM&#x27;;
import TileLayer from &#x27;ol/layer/Tile&#x27;;
import View from &#x27;ol/View&#x27;;
import XYZ from &#x27;ol/source/XYZ&#x27;;
import {transform} from &#x27;ol/proj&#x27;;
var key &#x3D; &#x27;Get your own API key at https://www.maptiler.com/cloud/&#x27;;
var attributions &#x3D;
&#x27;&lt;a href&#x3D;&quot;https://www.maptiler.com/copyright/&quot; target&#x3D;&quot;_blank&quot;&gt;&amp;copy; MapTiler&lt;/a&gt; &#x27; +
&#x27;&lt;a href&#x3D;&quot;https://www.openstreetmap.org/copyright&quot; target&#x3D;&quot;_blank&quot;&gt;&amp;copy; OpenStreetMap contributors&lt;/a&gt;&#x27;;
var map &#x3D; new Map({
target: &#x27;map&#x27;,
layers: [
new TileLayer({
source: new OSM(),
}),
new TileLayer({
source: new XYZ({
attributions: attributions,
url:
&#x27;https://api.maptiler.com/maps/outdoor/256/{z}/{x}/{y}@2x.png?key&#x3D;&#x27; +
key,
tilePixelRatio: 2, // THIS IS IMPORTANT
}),
}) ],
view: new View({
projection: &#x27;EPSG:3857&#x27;,
center: transform([-112.18688965, 36.057944835], &#x27;EPSG:4326&#x27;, &#x27;EPSG:3857&#x27;),
zoom: 12,
}),
});
</code></pre>
</div>
<div class="row-fluid">
<h5 class="source-heading">index.html</h5>
<pre><code id="example-html-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;
&lt;head&gt;
&lt;meta charset="UTF-8"&gt;
&lt;title&gt;XYZ Retina Tiles&lt;/title&gt;
&lt;!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer --&gt;
&lt;script src="https://unpkg.com/elm-pep"&gt;&lt;/script&gt;
&lt;style&gt;
.map {
width: 100%;
height:400px;
}
&lt;/style&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
&lt;script src="main.js"&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;</code></pre>
</div>
<div class="row-fluid">
<h5 class="source-heading">package.json</h5>
<pre><code id="example-pkg-source" class="language-json">{
&quot;name&quot;: &quot;xyz-retina&quot;,
&quot;dependencies&quot;: {
&quot;ol&quot;: &quot;6.5.0&quot;
},
&quot;devDependencies&quot;: {
&quot;parcel&quot;: &quot;^2.0.0-beta.1&quot;
},
&quot;scripts&quot;: {
&quot;start&quot;: &quot;parcel index.html&quot;,
&quot;build&quot;: &quot;parcel build --public-url . index.html&quot;
}
}</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="xyz-retina.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>