62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
import Map from '../src/ol/Map.js';
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import View from '../src/ol/View.js';
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import {defaults as defaultControls} from '../src/ol/control.js';
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import {getWidth} from '../src/ol/extent.js';
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import TileLayer from '../src/ol/layer/Tile.js';
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import {fromLonLat, get as getProjection} from '../src/ol/proj.js';
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import WMTS from '../src/ol/source/WMTS.js';
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import WMTSTileGrid from '../src/ol/tilegrid/WMTS.js';
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const map = new Map({
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target: 'map',
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controls: defaultControls({
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attributionOptions: {
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collapsible: false
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}
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}),
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view: new View({
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zoom: 5,
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center: fromLonLat([5, 45])
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})
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});
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const resolutions = [];
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const matrixIds = [];
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const proj3857 = getProjection('EPSG:3857');
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const maxResolution = getWidth(proj3857.getExtent()) / 256;
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for (let i = 0; i < 18; i++) {
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matrixIds[i] = i.toString();
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resolutions[i] = maxResolution / Math.pow(2, i);
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}
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const tileGrid = new WMTSTileGrid({
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origin: [-20037508, 20037508],
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resolutions: resolutions,
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matrixIds: matrixIds
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});
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// API key valid for 'openlayers.org' and 'localhost'.
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// Expiration date is 06/29/2018.
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const key = '2mqbg0z6cx7ube8gsou10nrt';
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const ign_source = new WMTS({
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url: 'https://wxs.ign.fr/' + key + '/wmts',
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layer: 'GEOGRAPHICALGRIDSYSTEMS.MAPS',
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matrixSet: 'PM',
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format: 'image/jpeg',
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projection: 'EPSG:3857',
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tileGrid: tileGrid,
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style: 'normal',
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attributions: '<a href="http://www.geoportail.fr/" target="_blank">' +
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'<img src="https://api.ign.fr/geoportail/api/js/latest/' +
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'theme/geoportal/img/logo_gp.gif"></a>'
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});
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const ign = new TileLayer({
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source: ign_source
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});
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map.addLayer(ign);
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