1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
|
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
|