70 lines
1.5 KiB
JavaScript
70 lines
1.5 KiB
JavaScript
import Fill from '../src/ol/style/Fill.js';
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import GeoJSON from '../src/ol/format/GeoJSON.js';
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import Map from '../src/ol/Map.js';
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import Stroke from '../src/ol/style/Stroke.js';
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import Style from '../src/ol/style/Style.js';
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import VectorLayer from '../src/ol/layer/Vector.js';
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import VectorSource from '../src/ol/source/Vector.js';
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import View from '../src/ol/View.js';
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const style = new Style({
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fill: new Fill({
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color: '#eeeeee',
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}),
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});
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const vector = new VectorLayer({
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source: new VectorSource({
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url: 'https://openlayers.org/data/vector/ecoregions.json',
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format: new GeoJSON(),
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}),
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background: 'white',
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style: function (feature) {
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const color = feature.get('COLOR') || '#eeeeee';
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style.getFill().setColor(color);
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return style;
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},
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});
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const map = new Map({
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layers: [vector],
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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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const selectStyle = new Style({
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fill: new Fill({
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color: '#eeeeee',
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}),
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stroke: new Stroke({
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color: 'rgba(255, 255, 255, 0.7)',
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width: 2,
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}),
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});
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const status = document.getElementById('status');
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let selected = null;
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map.on('pointermove', function (e) {
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if (selected !== null) {
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selected.setStyle(undefined);
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selected = null;
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}
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map.forEachFeatureAtPixel(e.pixel, function (f) {
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selected = f;
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selectStyle.getFill().setColor(f.get('COLOR') || '#eeeeee');
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f.setStyle(selectStyle);
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return true;
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});
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if (selected) {
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status.innerHTML = selected.get('ECO_NAME');
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} else {
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status.innerHTML = ' ';
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}
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});
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