public void BearingTest()
{
List <GpsLocation> inputLocations = new List <GpsLocation>()
{
new GpsLocation(0.0m, 0.0m), // Zero GPS coordinates, south of Ghana
new GpsLocation(40.748456m, 175.985478m), // North Pacific Ocean
new GpsLocation(89.1m, -115.122701m), // Close to North Pole
new GpsLocation(73.507778m, 80.537315m), // Dikson Island, Russia
};
List <double> expectedInitialBearings = new List <double>()
{
// Zero GPS to
4.645278, // North Pacific Ocean
359.185, // Close to North Pole
16.279722, // Dikson Island
// North Pacific Ocean to
1.113611, // Close to North Pole
339.201389, // Dikson Island
// Cose to North Pole to
345.118889, // Dikson Island
};
List <double> expectedFinalBearings = new List <double>()
{
// Zero GPS to
173.863333, // North Pacific Ocean
244.88, // Close to North Pole
80.92, // Dikson Island
// North Pacific Ocean to
69.621111, // Close to North Pole
251.368056, // Dikson Island
// Cose to North Pole to
180.814167, // Dikson Island
};
int index = 0;
for (int i = 0; i < inputLocations.Count - 1; i++)
{
GpsLocation locFrom = inputLocations[i];
for (int j = i + 1; j < inputLocations.Count; j++)
{
GpsLocation locTo = inputLocations[j];
double initialBearing = locFrom.InitialBearingTo(locTo);
double finalBearing = locFrom.FinalBearingTo(locTo);
Assert.True(initialBearing.ApproxEqual(expectedInitialBearings[index], 0.0003));
Assert.True(finalBearing.ApproxEqual(expectedFinalBearings[index], 0.0003));
index++;
}
}
}
