private void InitializeRADecFilters()
{
RAFrom = new AsyncObservableCollection <KeyValuePair <double?, string> >();
RAThrough = new AsyncObservableCollection <KeyValuePair <double?, string> >();
DecFrom = new AsyncObservableCollection <KeyValuePair <double?, string> >();
DecThrough = new AsyncObservableCollection <KeyValuePair <double?, string> >();
RAFrom.Add(new KeyValuePair <double?, string>(null, string.Empty));
RAThrough.Add(new KeyValuePair <double?, string>(null, string.Empty));
DecFrom.Add(new KeyValuePair <double?, string>(null, string.Empty));
DecThrough.Add(new KeyValuePair <double?, string>(null, string.Empty));
for (int i = 0; i < 25; i++)
{
Astrometry.HoursToDegrees(i);
RAFrom.Add(new KeyValuePair <double?, string>(Astrometry.HoursToDegrees(i), i.ToString()));
RAThrough.Add(new KeyValuePair <double?, string>(Astrometry.HoursToDegrees(i), i.ToString()));
}
for (int i = -90; i < 91; i = i + 5)
{
DecFrom.Add(new KeyValuePair <double?, string>(i, i.ToString()));
DecThrough.Add(new KeyValuePair <double?, string>(i, i.ToString()));
}
}
public void HoursToDegree_ValueTest()
{
var hours = 5.2;
var expecteddeg = 78;
var deg = Astrometry.HoursToDegrees(hours);
Assert.AreEqual(expecteddeg, deg);
}
public void Create_RAHoursTest(double ra, double dec)
{
var epoch = Epoch.JNOW;
var coordinates = new Coordinates(ra, dec, epoch, Coordinates.RAType.Hours);
Assert.AreEqual(ra, coordinates.RA, 0.0001);
Assert.AreEqual(Astrometry.HoursToDegrees(ra), coordinates.RADegrees, 0.0001);
Assert.AreEqual(dec, coordinates.Dec, 0.0001);
Assert.AreEqual(epoch, coordinates.Epoch);
}
public void CreateByHoursTest(double inputHours)
{
var angle = Angle.ByHours(inputHours);
var expectedDegree = Astrometry.HoursToDegrees(inputHours);
var expectedArcmin = Astrometry.DegreeToArcmin(expectedDegree);
var expectedArcsec = Astrometry.DegreeToArcsec(expectedDegree);
var expectedRadian = Astrometry.ToRadians(expectedDegree);
Assert.AreEqual(inputHours, angle.Hours, TOLERANCE);
Assert.AreEqual(expectedRadian, angle.Radians, TOLERANCE);
Assert.AreEqual(expectedDegree, angle.Degree, TOLERANCE);
Assert.AreEqual(expectedArcmin, angle.ArcMinutes, TOLERANCE);
Assert.AreEqual(expectedArcsec, angle.ArcSeconds, TOLERANCE);
}
private void CalculateAltitude()
{
var start = this._referenceDate;
Altitudes.Clear();
var siderealTime = Astrometry.GetLocalSiderealTime(start, _longitude);
var hourAngle = Astrometry.GetHourAngle(siderealTime, this.Coordinates.RA);
for (double angle = hourAngle; angle < hourAngle + 24; angle += 0.1)
{
var degAngle = Astrometry.HoursToDegrees(angle);
var altitude = Astrometry.GetAltitude(degAngle, _latitude, this.Coordinates.Dec);
Altitudes.Add(new DataPoint(DateTimeAxis.ToDouble(start), altitude));
start = start.AddHours(0.1);
}
MaxAltitude = Altitudes.OrderByDescending((x) => x.Y).FirstOrDefault();
CalculateTransit(_latitude);
}