public void DifferentCalibrationsAreNotEqual()
{
var first = new MagneticDeviationCorrection("../../../Calibration_Cirrus_v3.xml");
var second = new MagneticDeviationCorrection("../../../Calibration_Cirrus_v1.xml");
Assert.NotEqual(first, second);
}
public void CreateDeviationTable()
{
MagneticDeviationCorrection dev = new MagneticDeviationCorrection();
dev.CreateCorrectionTable(
"../../../Nmea-2020-07-23-12-02.txt");
dev.Save("Calibration_Cirrus.xml", "Cirrus", "HBY5127", "269110660");
Assert.True(File.Exists("Calibration_Cirrus.xml"));
}
public void CreateDeviationTable4()
{
using (new SetCultureForTest("de-DE"))
{
MagneticDeviationCorrection dev = new MagneticDeviationCorrection();
dev.CreateCorrectionTable(new string[]
{
"../../../Nmea-2021-08-25-16-25.txt", "../../../Nmea-2021-08-25-16-49.txt"
},
DateTimeOffset.Parse("2021-08-25T16:47:00", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal),
DateTimeOffset.Parse("2021-08-25T16:53:00", CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal));
dev.Save("Calibration_Cirrus_v4.xml", "Cirrus", "HBY5127", "269110660");
var expected = new MagneticDeviationCorrection("../../../Calibration_Cirrus_v3.xml");
var actual = new MagneticDeviationCorrection("Calibration_Cirrus_v4.xml");
Assert.Equal(expected, actual);
}
}
public void ReadAndUseDeviationTable()
{
MagneticDeviationCorrection dev = new MagneticDeviationCorrection();
dev.Load("../../../Calibration_Cirrus_v3.xml");
Assert.True(dev.Identification != null);
Assert.Equal("Cirrus", dev.Identification !.ShipName);
Assert.Equal(323.47342376709, dev.ToMagneticHeading(Angle.FromDegrees(303.3)).Degrees, 3);
Assert.Equal(297.955488967895, dev.FromMagneticHeading(Angle.FromDegrees(316.743820953369)).Degrees, 3);
// For all angles, converting back and forth should result in a small delta (not exactly zero though, since the
// operation is not exactly invertible)
for (double d = 0.5; d < 361; d += 1.0)
{
Angle backAndForth = dev.FromMagneticHeading(dev.ToMagneticHeading(Angle.FromDegrees(d)));
Angle delta = backAndForth - Angle.FromDegrees(d);
Assert.True(Math.Abs(delta.Normalize(false).Degrees) < 8, $"Delta: {delta}");
}
}
