ad62739a6e
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
// NOCOMPILE
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// this example uses FileSaver.js for which we don't have an externs file.
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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 {defaults as defaultControls} from '../src/ol/control.js';
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import GeoJSON from '../src/ol/format/GeoJSON.js';
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import TileLayer from '../src/ol/layer/Tile.js';
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import VectorLayer from '../src/ol/layer/Vector.js';
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import OSM from '../src/ol/source/OSM.js';
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import VectorSource from '../src/ol/source/Vector.js';
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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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new VectorLayer({
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source: new VectorSource({
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url: 'data/geojson/countries.geojson',
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format: new GeoJSON()
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})
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})
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],
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target: 'map',
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controls: defaultControls({
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attributionOptions: {
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collapsible: false
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}
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}),
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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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document.getElementById('export-png').addEventListener('click', function() {
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map.once('postcompose', function(event) {
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const canvas = event.context.canvas;
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if (navigator.msSaveBlob) {
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navigator.msSaveBlob(canvas.msToBlob(), 'map.png');
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} else {
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canvas.toBlob(function(blob) {
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saveAs(blob, 'map.png');
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});
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}
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});
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map.renderSync();
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});
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