45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
import Map from '../src/ol/Map.js';
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import TileLayer from '../src/ol/layer/Tile.js';
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import View from '../src/ol/View.js';
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import WMTS, {optionsFromCapabilities} from '../src/ol/source/WMTS.js';
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import WMTSCapabilities from '../src/ol/format/WMTSCapabilities.js';
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import {DEVICE_PIXEL_RATIO} from '../src/ol/has.js';
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const capabilitiesUrl = 'https://basemap.at/wmts/1.0.0/WMTSCapabilities.xml';
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// HiDPI support:
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// * Use 'bmaphidpi' layer (pixel ratio 2) for device pixel ratio > 1
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// * Use 'geolandbasemap' layer (pixel ratio 1) for device pixel ratio == 1
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const hiDPI = DEVICE_PIXEL_RATIO > 1;
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const layer = hiDPI ? 'bmaphidpi' : 'geolandbasemap';
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const tilePixelRatio = hiDPI ? 2 : 1;
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const map = new Map({
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target: 'map',
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view: new View({
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center: [1823849, 6143760],
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zoom: 11,
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}),
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});
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fetch(capabilitiesUrl)
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.then(function (response) {
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return response.text();
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})
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.then(function (text) {
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const result = new WMTSCapabilities().read(text);
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const options = optionsFromCapabilities(result, {
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layer: layer,
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matrixSet: 'google3857',
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style: 'normal',
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});
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options.tilePixelRatio = tilePixelRatio;
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options.attributions =
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'Grundkarte: <a target="_blank" href="https://basemap.at/">basemap.at</a>';
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map.addLayer(
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new TileLayer({
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source: new WMTS(options),
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})
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);
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});
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