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wmts.html
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wmts.html
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<!DOCTYPE html>
<html>
<head>
<title>WMTS</title>
<link rel="stylesheet" href="https://openlayers.org/en/v5.2.0/css/ol.css" type="text/css">
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
</head>
<body>
<div id="map" class="map"></div>
<script>
import Map from 'ol/Map.js';
import View from 'ol/View.js';
import {defaults as defaultControls} from 'ol/control.js';
import {getWidth, getTopLeft} from 'ol/extent.js';
import TileLayer from 'ol/layer/Tile.js';
import {get as getProjection} from 'ol/proj.js';
import OSM from 'ol/source/OSM.js';
import WMTS from 'ol/source/WMTS.js';
import WMTSTileGrid from 'ol/tilegrid/WMTS.js';
var projection = getProjection('EPSG:3857');
var projectionExtent = projection.getExtent();
var size = getWidth(projectionExtent) / 256;
var resolutions = new Array(14);
var matrixIds = new Array(14);
for (var z = 0; z < 14; ++z) {
// generate resolutions and matrixIds arrays for this WMTS
resolutions[z] = size / Math.pow(2, z);
matrixIds[z] = z;
}
var map = new Map({
layers: [
new TileLayer({
source: new OSM(),
opacity: 0.7
}),
new TileLayer({
opacity: 0.7,
source: new WMTS({
attributions: 'Tiles © <a href="https://services.arcgisonline.com/arcgis/rest/' +
'services/Demographics/USA_Population_Density/MapServer/">ArcGIS</a>',
url: 'https://services.arcgisonline.com/arcgis/rest/' +
'services/Demographics/USA_Population_Density/MapServer/WMTS/',
layer: '0',
matrixSet: 'EPSG:3857',
format: 'image/png',
projection: projection,
tileGrid: new WMTSTileGrid({
origin: getTopLeft(projectionExtent),
resolutions: resolutions,
matrixIds: matrixIds
}),
style: 'default',
wrapX: true
})
})
],
target: 'map',
controls: defaultControls({
attributionOptions: {
collapsible: false
}
}),
view: new View({
center: [-11158582, 4813697],
zoom: 4
})
});
</script>
</body>
</html>