using System; using NETGeographicLib; namespace example_Geodesic { class Program { static void Main(string[] args) { try { Geodesic geod = new Geodesic( Constants.WGS84.EquatorialRadius, Constants.WGS84.Flattening ); // Alternatively: Geodesic geod = new Geodesic(); { // Sample direct calculation, travelling about NE from JFK double lat1 = 40.6, lon1 = -73.8, s12 = 5.5e6, azi1 = 51; double lat2, lon2; geod.Direct(lat1, lon1, azi1, s12, out lat2, out lon2); Console.WriteLine(String.Format("Latitude: {0} Longitude: {1}", lat2, lon2)); } { // Sample inverse calculation, JFK to LHR double lat1 = 40.6, lon1 = -73.8, // JFK Airport lat2 = 51.6, lon2 = -0.5; // LHR Airport double s12; geod.Inverse(lat1, lon1, lat2, lon2, out s12); Console.WriteLine( s12 ); } } catch (GeographicErr e) { Console.WriteLine(String.Format("Caught exception: {0}", e.Message)); } } } }