72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
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 {Draw, Modify, Snap} from '../src/ol/interaction.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 {get} from '../src/ol/proj/projections.js';
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const raster = new TileLayer({
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source: new OSM(),
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});
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const source = new VectorSource();
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const vector = new VectorLayer({
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source: source,
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style: new Style({
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fill: new Fill({
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color: 'rgba(255, 255, 255, 0.2)',
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}),
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stroke: new Stroke({
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color: '#ffcc33',
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width: 2,
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}),
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image: new CircleStyle({
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radius: 7,
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fill: new Fill({
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color: '#ffcc33',
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}),
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}),
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}),
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});
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const extent = get('EPSG:3857').getExtent().slice();
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extent[0] += extent[0];
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extent[2] += extent[2];
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const map = new Map({
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layers: [raster, vector],
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target: 'map',
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view: new View({
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center: [-11000000, 4600000],
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zoom: 4,
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extent,
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}),
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});
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const modify = new Modify({source: source});
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map.addInteraction(modify);
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let draw, snap; // global so we can remove them later
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const typeSelect = document.getElementById('type');
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function addInteractions() {
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draw = new Draw({
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source: source,
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type: typeSelect.value,
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});
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map.addInteraction(draw);
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snap = new Snap({source: source});
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map.addInteraction(snap);
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}
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/**
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* Handle change event.
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*/
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typeSelect.onchange = function () {
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map.removeInteraction(draw);
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map.removeInteraction(snap);
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addInteractions();
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};
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addInteractions();
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