63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
import ImageWMS from '../src/ol/source/ImageWMS.js';
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import Map from '../src/ol/Map.js';
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import Projection from '../src/ol/proj/Projection.js';
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import TileWMS from '../src/ol/source/TileWMS.js';
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import View from '../src/ol/View.js';
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import {Image as ImageLayer, Tile as TileLayer} from '../src/ol/layer.js';
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import {ScaleLine, defaults as defaultControls} from '../src/ol/control.js';
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const layers = [
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new TileLayer({
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source: new TileWMS({
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attributions:
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'© <a href="https://shop.swisstopo.admin.ch/en/products/maps/national/lk1000"' +
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'target="_blank">Pixelmap 1:1000000 / geo.admin.ch</a>',
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crossOrigin: 'anonymous',
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params: {
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'LAYERS': 'ch.swisstopo.pixelkarte-farbe-pk1000.noscale',
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'FORMAT': 'image/jpeg',
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},
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url: 'https://wms.geo.admin.ch/',
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}),
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}),
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new ImageLayer({
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source: new ImageWMS({
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attributions:
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'© <a href="https://www.hydrodaten.admin.ch/en/notes-on-the-flood-alert-maps.html"' +
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'target="_blank">Flood Alert / geo.admin.ch</a>',
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crossOrigin: 'anonymous',
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params: {'LAYERS': 'ch.bafu.hydroweb-warnkarte_national'},
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serverType: 'mapserver',
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url: 'https://wms.geo.admin.ch/',
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}),
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}),
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];
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// A minimal projection object is configured with only the SRS code and the map
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// units. No client-side coordinate transforms are possible with such a
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// projection object. Requesting tiles only needs the code together with a
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// tile grid of Cartesian coordinates; it does not matter how those
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// coordinates relate to latitude or longitude.
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// With no transforms available projection units must be assumed to represent
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// true distances. In the case of local projections this may be a sufficiently
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// close approximation for a meaningful (if not 100% accurate) ScaleLine control.
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const projection = new Projection({
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code: 'EPSG:21781',
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units: 'm',
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});
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const map = new Map({
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controls: defaultControls().extend([
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new ScaleLine({
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units: 'metric',
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}),
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]),
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layers: layers,
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target: 'map',
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view: new View({
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center: [660000, 190000],
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projection: projection,
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zoom: 9,
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}),
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});
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