text: /**
   * @function MaptomoScreen
   * @author Copyright (c) Maptomo
   * @license MIT License
   * @since 2019
  */
  
  console.log('MaptomoScreen standard sample');
  
  // Information about map drawing
  var params = {
    'center': [130.410464, 33.593007],
    'engine': 'leaflet',
    'layer': 'osm',
    'size': 14,
    'features': [
      [{
        'id': 1,
        'type': 'point',
        'coordinate': [130.446554, 33.590319],
        'title': 'Fukuoka Airport',
        'link': ['https://www.fukuoka-airport.jp/', '_blank'],
        'class': 'fas fa-plane',
        'color': '#d4366a',
        'selected': true,
        'custom': {
          'id': 1,
          'name': 'Fukuoka Airport'
        }
      }],
      [{
        'id': 2,
        'type': 'line',
        'coordinate': [[130.414518, 33.594096], [130.383227, 33.584847]],
        'title': 'Load',
        'class': '',
        'color': '#451b25',
        'custom': {}
      }],
      [{
        'id': 3,
        'type': 'polygon',
        'coordinate': [[[130.426241, 33.584560], [130.429964, 33.588046], [130.431794, 33.585874], [130.428629, 33.582854]]],
        'title': 'Hie-Cho',
        'color': '#008000',
        'selected': true,
        'custom': {
          'id': 3,
          'name': 'Hie-cho'
        }
      }]
    ]
  };
  
  // Authentication information
  var certif = {
    'maptomo': '', // MaptomoAPI key
    'gmap': '' // Google Cloud Platform API Key
  };
  
  // Constructor and draw map
  var mtScreen = new MaptomoScreen(certif, params);
  mtScreen.draw();
  
  // Display selected element as JSON string
  var obj = document.getElementById('btn_selected');
  obj.addEventListener('click', function () {
    mtScreen.showSelectShape();
  }, false);
  
  // Move center to current location
  var obj2 = document.getElementById('btn_default');
  obj2.addEventListener('click', function () {
    mtScreen.moveDefaultLocation();
  }, false);
  
  // Output selected element as JSON string
  var obj3 = document.getElementById('btn_export_geojson');
  obj3.addEventListener('click', function () {
    var geojson = JSON.stringify(mtScreen.exportGeoJson());
    console.log(geojson);
    alert(geojson);
  }, false);
  