74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
import GeoJSON from '../src/ol/format/GeoJSON.js';
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import Map from '../src/ol/Map.js';
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import View from '../src/ol/View.js';
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import {Circle as CircleStyle, Fill, Stroke, Style} from '../src/ol/style.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
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import {fromLonLat} from '../src/ol/proj.js';
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/** @type {VectorSource<import("../src/ol/geom/SimpleGeometry.js").default>} */
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const source = new VectorSource({
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url: 'data/geojson/switzerland.geojson',
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format: new GeoJSON(),
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});
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const style = new Style({
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fill: new Fill({
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color: 'rgba(255, 255, 255, 0.6)',
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}),
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stroke: new Stroke({
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color: '#319FD3',
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width: 1,
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}),
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image: new CircleStyle({
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radius: 5,
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fill: new Fill({
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color: 'rgba(255, 255, 255, 0.6)',
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}),
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stroke: new Stroke({
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color: '#319FD3',
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width: 1,
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}),
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}),
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});
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const vectorLayer = new VectorLayer({
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source: source,
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style: style,
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});
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const view = new View({
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center: fromLonLat([6.6339863, 46.5193823]),
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padding: [170, 50, 30, 150],
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zoom: 6,
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});
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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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vectorLayer,
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],
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target: 'map',
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view: view,
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});
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const zoomtoswitzerland = document.getElementById('zoomtoswitzerland');
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zoomtoswitzerland.addEventListener(
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'click',
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function () {
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const feature = source.getFeatures()[0];
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const polygon = feature.getGeometry();
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view.fit(polygon);
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},
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false
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);
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const centerlausanne = document.getElementById('centerlausanne');
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centerlausanne.addEventListener(
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'click',
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function () {
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const feature = source.getFeatures()[1];
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const point = feature.getGeometry();
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view.setCenter(point.getCoordinates());
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},
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false
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);
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