text: import Map from '../src/ol/Map.js';
  import View from '../src/ol/View.js';
  import KML from '../src/ol/format/KML.js';
  import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
  import BingMaps from '../src/ol/source/BingMaps.js';
  import VectorSource from '../src/ol/source/Vector.js';
  
  const raster = new TileLayer({
    source: new BingMaps({
      imagerySet: 'Aerial',
      key: 'As1HiMj1PvLPlqc_gtM7AqZfBL8ZL3VrjaS3zIb22Uvb9WKhuJObROC-qUpa81U5'
    })
  });
  
  const vector = new VectorLayer({
    source: new VectorSource({
      url: 'data/kml/2012-02-10.kml',
      format: new KML()
    })
  });
  
  const map = new Map({
    layers: [raster, vector],
    target: document.getElementById('map'),
    view: new View({
      center: [876970.8463461736, 5859807.853963373],
      projection: 'EPSG:3857',
      zoom: 10
    })
  });
  
  const displayFeatureInfo = function(pixel) {
    const features = [];
    map.forEachFeatureAtPixel(pixel, function(feature) {
      features.push(feature);
    });
    if (features.length > 0) {
      const info = [];
      let i, ii;
      for (i = 0, ii = features.length; i < ii; ++i) {
        info.push(features[i].get('name'));
      }
      document.getElementById('info').innerHTML = info.join(', ') || '(unknown)';
      map.getTarget().style.cursor = 'pointer';
    } else {
      document.getElementById('info').innerHTML = '&nbsp;';
      map.getTarget().style.cursor = '';
    }
  };
  
  map.on('pointermove', function(evt) {
    if (evt.dragging) {
      return;
    }
    const pixel = map.getEventPixel(evt.originalEvent);
    displayFeatureInfo(pixel);
  });
  
  map.on('click', function(evt) {
    displayFeatureInfo(evt.pixel);
  });
  