Imports NETGeographicLib Module example_TransverseMercator Sub Main() Try Dim proj As TransverseMercator = New TransverseMercator() ' WGS84 Dim lon0 As Double = -75 ' Central meridian for UTM zone 18 ' Sample forward calculation Dim lat As Double = 40.3, lon = -74.7 ' Princeton, NJ Dim x, y As Double proj.Forward(lon0, lat, lon, x, y) Console.WriteLine(String.Format("{0} {1}", x, y)) ' Sample reverse calculation x = 25000.0 : y = 4461000.0 proj.Reverse(lon0, x, y, lat, lon) Console.WriteLine(String.Format("{0} {1}", lat, lon)) Catch ex As GeographicErr Console.WriteLine(String.Format("Caught exception: {0}", ex.Message)) End Try End Sub End Module