Example of Retina / HiDPI mercator tiles (512x512px) available as XYZ.
The XYZ source accepts a tilePixelRatio
option.
import 'ol/ol.css';
import Map from 'ol/Map';
import OSM from 'ol/source/OSM';
import TileLayer from 'ol/layer/Tile';
import View from 'ol/View';
import XYZ from 'ol/source/XYZ';
import {transform} from 'ol/proj';
var key = 'Get your own API key at https://www.maptiler.com/cloud/';
var attributions =
'<a href="https://www.maptiler.com/copyright/" target="_blank">© MapTiler</a> ' +
'<a href="https://www.openstreetmap.org/copyright" target="_blank">© OpenStreetMap contributors</a>';
var map = new Map({
target: 'map',
layers: [
new TileLayer({
source: new OSM(),
}),
new TileLayer({
source: new XYZ({
attributions: attributions,
url:
'https://api.maptiler.com/maps/outdoor/256/{z}/{x}/{y}@2x.png?key=' +
key,
tilePixelRatio: 2, // THIS IS IMPORTANT
}),
}) ],
view: new View({
projection: 'EPSG:3857',
center: transform([-112.18688965, 36.057944835], 'EPSG:4326', 'EPSG:3857'),
zoom: 12,
}),
});
<!DOCTYPE html>
<html lang="en">
<head>
<title>XYZ Retina Tiles</title>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<style>
.map {
width: 100%;
height:400px;
}
</style>
</head>
<body>
<div id="map" class="map"></div>
<script src="main.js"></script>
</body>
</html>
{
"name": "xyz-retina",
"dependencies": {
"ol": "6.4.3"
},
"devDependencies": {
"parcel": "1.11.0"
},
"scripts": {
"start": "parcel index.html",
"build": "parcel build --experimental-scope-hoisting --public-url . index.html"
}
}