53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
import Draw from '../src/ol/interaction/Draw.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 {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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const raster = new TileLayer({
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source: new OSM(),
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});
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const source = new VectorSource({wrapX: false});
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const vector = new VectorLayer({
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source: source,
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});
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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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}),
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});
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const typeSelect = document.getElementById('type');
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let draw; // global so we can remove it later
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function addInteraction() {
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const value = typeSelect.value;
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if (value !== 'None') {
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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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}
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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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addInteraction();
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};
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document.getElementById('undo').addEventListener('click', function () {
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draw.removeLastPoint();
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});
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addInteraction();
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