85 lines
1.9 KiB
JavaScript
85 lines
1.9 KiB
JavaScript
import CircleStyle from '../src/ol/style/Circle.js';
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import Feature from '../src/ol/Feature.js';
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import Map from '../src/ol/Map.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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import {Fill, Stroke, Style} from '../src/ol/style.js';
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import {Point} from '../src/ol/geom.js';
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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: [0, 0],
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resolution: 1,
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resolutions: [1],
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}),
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});
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const vectorLayer = new VectorLayer({
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source: new VectorSource({
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features: [
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new Feature({
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geometry: new Point([0, 0]),
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color: 'white',
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}),
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new Feature({
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geometry: new Point([-10, 0]),
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color: 'fuchsia',
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}),
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new Feature({
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geometry: new Point([-10, -10]),
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color: 'orange',
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}),
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new Feature({
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geometry: new Point([-10, 10]),
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color: 'cyan',
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}),
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],
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}),
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style: (feature) => {
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return new Style({
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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: feature.get('color'),
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}),
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stroke: new Stroke({
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color: 'gray',
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width: 1,
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}),
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}),
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});
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},
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});
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map.addLayer(vectorLayer);
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const highlightFeature = new Feature(new Point([NaN, NaN]));
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highlightFeature.setStyle(
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new Style({
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image: new CircleStyle({
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radius: 5,
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stroke: new Stroke({
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color: 'black',
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width: 2,
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}),
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}),
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})
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);
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vectorLayer.getSource().addFeature(highlightFeature);
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map.on('pointermove', (e) => {
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const hit = map.forEachFeatureAtPixel(
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e.pixel,
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(feature) => {
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highlightFeature.setGeometry(feature.getGeometry().clone());
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return true;
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},
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{
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hitTolerance: 10,
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}
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);
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if (!hit) {
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highlightFeature.setGeometry(new Point([NaN, NaN]));
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}
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});
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