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Link to satellite image from Google Maps
  1. To use the Google Maps with Longdo Map API, you must get a Google Maps API key (https://cloud.google.com/maps-platform/?apis=maps)

  2. Specify your Google Maps account before set base layer 
    map.Layers.externalOptions({ googleQuery: 'key=YOUR_GOOGLE_KEY_API' });
    Note: In case of business license, you must use the following function. 
    map.Layers.externalOptions({ googleQuery: 'client=YOUR_CLIENT_ID&channel=YOUR_CHANNEL' });
  3. Set Google satellite to base layer 
    map.Layers.setBase(longdo.Layers.GOOGLE_SATELLITE);