<https://www.scichart.com/example/xamarin-chart/xamarin-3d-chart-example-real-time-geoid/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.scichart.com/example/xamarin-chart/xamarin-3d-chart-example-real-time-geoid/>