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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NETGeographicLib;
namespace example_RhumbLine
{
class Program
{
static void Main(string[] args)
{
try {
// Print waypoints between JFK and SIN
Rhumb rhumb = new Rhumb(Constants.WGS84.MajorRadius, Constants.WGS84.Flattening, true);
// Alternatively: const Rhumb& rhumb = Rhumb::WGS84();
double
lat1 = 40.640, lon1 = -73.779, // JFK
lat2 = 1.359, lon2 = 103.989; // SIN
double s12, azi12;
rhumb.Inverse(lat1, lon1, lat2, lon2, out s12, out azi12);
RhumbLine line = rhumb.Line(lat1, lon1, azi12);
// Alternatively
// const GeographicLib::RhumbLine line = rhumb.Line(lat1, lon1, azi1);
double ds = 500e3; // Nominal distance between points = 500 km
int num = (int)Math.Ceiling(s12 / ds); // The number of intervals
{
// Use intervals of equal length
ds = s12 / num;
for (int i = 0; i <= num; ++i) {
double lat, lon;
line.Position(i * ds, out lat, out lon);
Console.WriteLine( "{0} {1} {2}", i, lat, lon );
}
}
}
catch (GeographicErr e) {
Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
}
}
}
}
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