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using System;
using NETGeographicLib;
namespace example_Gnomonic
{
class Program
{
static void Main(string[] args)
{
try {
Geodesic geod = new Geodesic(); // WGS84
const double lat0 = 48 + 50/60.0, lon0 = 2 + 20/60.0; // Paris
Gnomonic proj = new Gnomonic(geod);
{
// Sample forward calculation
double lat = 50.9, lon = 1.8; // Calais
double x, y;
proj.Forward(lat0, lon0, lat, lon, out x, out y);
Console.WriteLine(String.Format("X: {0} Y: {1}", x, y));
}
{
// Sample reverse calculation
double x = -38e3, y = 230e3;
double lat, lon;
proj.Reverse(lat0, lon0, x, y, out lat, out lon);
Console.WriteLine(String.Format("Latitude: {0} Longitude: {1}", lat, lon));
}
}
catch (GeographicErr e) {
Console.WriteLine(String.Format("Caught exception: {0}", e.Message));
}
}
}
}
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