example-Rhumb.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NETGeographicLib;

namespace example_Rhumb
{
    class Program
    {
        static void Main(string[] args)
        {
            try {
            Rhumb rhumb = new Rhumb(Constants.WGS84.EquatorialRadius, Constants.WGS84.Flattening, true);
            // Alternatively: const Rhumb& rhumb = Rhumb::WGS84();
            {
                // Sample direct calculation, travelling about NE from JFK
                double lat1 = 40.6, lon1 = -73.8, s12 = 5.5e6, azi12 = 51;
                double lat2, lon2;
                rhumb.Direct(lat1, lon1, azi12, s12, out lat2, out lon2);
                    Console.WriteLine( "{0} {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, azi12;
                rhumb.Inverse(lat1, lon1, lat2, lon2, out s12, out azi12);
                    Console.WriteLine( "{0} {1}", s12, azi12 );
            }
            }
            catch (GeographicErr e) {
                Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
            }
        }
    }
}