public void DegreeToArcmin_ValueTest()
{
var degree = 180;
var expectedarcmin = 10800;
var arcmin = Astrometry.DegreeToArcmin(degree);
Assert.AreEqual(expectedarcmin, arcmin);
}
public void CreateByRadiansTest(double inputRadians)
{
var angle = Angle.ByRadians(inputRadians);
var expectedDegree = Astrometry.ToDegree(inputRadians);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(inputRadians, angle.Radians, TOLERANCE);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
}
private string Deg2str(double deg, int precision)
{
if (Math.Abs(deg) > 1)
{
return(deg.ToString("N" + precision) + "° (degree)");
}
var amin = Astrometry.DegreeToArcmin(deg);
if (Math.Abs(amin) > 1)
{
return(amin.ToString("N" + precision) + "' (arcmin)");
}
var asec = Astrometry.DegreeToArcsec(deg);
return(asec.ToString("N" + precision) + "'' (arcsec)");
}
public void OperatorMultiplyDoubleTest(double firstDegree, double secondDegree)
{
var secondAngle = Angle.ByDegree(secondDegree);
var angle = Astrometry.ToRadians(firstDegree) * secondAngle;
var expectedRadian = Astrometry.ToRadians(firstDegree) * Astrometry.ToRadians(secondDegree);
var expectedDegree = Astrometry.ToDegree(expectedRadian);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(expectedRadian, angle.Radians, TOLERANCE);
}
public void StaticAtan2Test(double xRadians, double yRadians)
{
var xAngle = Angle.ByRadians(xRadians);
var yAngle = Angle.ByRadians(yRadians);
var angle = Angle.Atan2(yAngle, xAngle);
var rad = Math.Atan2(yRadians, xRadians);
var expectedDegree = Astrometry.ToDegree(rad);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedHours = Astrometry.DegreesToHours(expectedDegree);
Assert.AreEqual(expectedHours, angle.Hours, TOLERANCE);
Assert.AreEqual(rad, angle.Radians, TOLERANCE);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
}
public double DeterminePolarAlignmentError(double startDeclination, double driftRate, double declinationError)
{
return(Math.Round(Astrometry.DegreeToArcmin(Astrometry.DetermineDriftAlignError(startDeclination, driftRate, Astrometry.ArcsecToDegree(declinationError))), 2));
}