File: example-Geodesic.cpp

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geographiclib 1.37-3
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using namespace System;
using namespace NETGeographicLib;

int main(array<System::String ^> ^/*args*/)
{
    try {
        Geodesic^ geod = gcnew Geodesic( Constants::WGS84::MajorRadius,
                                         Constants::WGS84::Flattening );
        // Alternatively: Geodesic^ geod = gcnew Geodesic();
        {
            // Sample direct calculation, travelling about NE from JFK
            double lat1 = 40.6, lon1 = -73.8, s12 = 5.5e6, azi1 = 51;
            double lat2, lon2;
            geod->Direct(lat1, lon1, azi1, s12, lat2, lon2);
            Console::WriteLine(String::Format("Latitude: {0} Longitude: {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;
            geod->Inverse(lat1, lon1, lat2, lon2, s12);
            Console::WriteLine( s12 );
        }
    }
    catch (GeographicErr^ e) {
        Console::WriteLine(String::Format("Caught exception: {0}", e->Message));
        return -1;
    }
    return 0;
}