90 lines
2.1 KiB
JavaScript
90 lines
2.1 KiB
JavaScript
import {useGeographic} from '../src/ol/proj.js';
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import {Map, View, Feature, Overlay} from '../src/ol/index.js';
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import {Point} from '../src/ol/geom.js';
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import {Vector as VectorLayer, Tile as TileLayer} from '../src/ol/layer.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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import {Style, Circle, Fill} from '../src/ol/style.js';
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useGeographic();
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const place = [-110, 45];
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const point = new Point(place);
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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: place,
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zoom: 8
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}),
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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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new VectorLayer({
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source: new VectorSource({
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features: [
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new Feature(point)
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]
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}),
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style: new Style({
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image: new Circle({
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radius: 9,
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fill: new Fill({color: 'red'})
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})
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})
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})
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]
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});
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const element = document.getElementById('popup');
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const popup = new Overlay({
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element: element,
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positioning: 'bottom-center',
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stopEvent: false,
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offset: [0, -10]
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});
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map.addOverlay(popup);
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function formatCoordinate(coordinate) {
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return `
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<table>
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<tbody>
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<tr><th>lon</th><td>${coordinate[0].toFixed(2)}</td></tr>
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<tr><th>lat</th><td>${coordinate[1].toFixed(2)}</td></tr>
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</tbody>
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</table>`;
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}
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const info = document.getElementById('info');
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map.on('moveend', function() {
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const view = map.getView();
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const center = view.getCenter();
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info.innerHTML = formatCoordinate(center);
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});
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map.on('click', function(event) {
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const feature = map.getFeaturesAtPixel(event.pixel)[0];
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if (feature) {
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const coordinate = feature.getGeometry().getCoordinates();
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popup.setPosition(coordinate);
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$(element).popover({
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placement: 'top',
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html: true,
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content: formatCoordinate(coordinate)
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});
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$(element).popover('show');
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} else {
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$(element).popover('destroy');
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}
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});
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map.on('pointermove', function(event) {
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if (map.hasFeatureAtPixel(event.pixel)) {
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map.getViewport().style.cursor = 'pointer';
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} else {
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map.getViewport().style.cursor = 'inherit';
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}
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});
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