79c8afdba8
To have the same path (starting with `ol/`, without `.js`) as in the documentation. The support was added in the webpack config in #8928
43 lines
986 B
JavaScript
43 lines
986 B
JavaScript
import Map from 'ol/Map';
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import View from 'ol/View';
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import {getBottomLeft, getTopRight} from 'ol/extent';
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import TileLayer from 'ol/layer/Tile';
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import {toLonLat} from 'ol/proj';
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import OSM from 'ol/source/OSM';
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const map = new Map({
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layers: [
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new TileLayer({
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source: new OSM()
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})
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],
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target: 'map',
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view: new View({
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center: [0, 0],
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zoom: 2
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})
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});
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function display(id, value) {
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document.getElementById(id).value = value.toFixed(2);
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}
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function wrapLon(value) {
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const worlds = Math.floor((value + 180) / 360);
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return value - (worlds * 360);
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}
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function onMoveEnd(evt) {
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const map = evt.map;
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const extent = map.getView().calculateExtent(map.getSize());
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const bottomLeft = toLonLat(getBottomLeft(extent));
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const topRight = toLonLat(getTopRight(extent));
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display('left', wrapLon(bottomLeft[0]));
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display('bottom', bottomLeft[1]);
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display('right', wrapLon(topRight[0]));
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display('top', topRight[1]);
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}
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map.on('moveend', onMoveEnd);
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