public void Refresh(AscomTools tools, DateTime syncTime)
{
SyncTime = syncTime;
LocalApparentSiderialTime = new HourAngle(AstroConvert.LocalApparentSiderealTime(tools.Transform.SiteLongitude, syncTime));
Equatorial = new EquatorialCoordinate(GetRA(ObservedAxes), GetDec(ObservedAxes));
UpdateAltAzimuth(tools, syncTime);
}
public void MoveRADec(AxisPosition newAxisPosition, AscomTools tools, DateTime syncTime)
{
// double[] delta = ObservedAxes.GetDeltaTo(newAxisPosition);
SyncTime = syncTime;
LocalApparentSiderialTime = new HourAngle(AstroConvert.LocalApparentSiderealTime(tools.Transform.SiteLongitude, syncTime));
// Apply the axis rotation to the new position.
ObservedAxes = newAxisPosition;
Equatorial = new EquatorialCoordinate(GetRA(ObservedAxes), GetDec(ObservedAxes));
UpdateAltAzimuth(tools, syncTime);
}
/// <summary>
/// Obtains a vector in polar notation from the equatorial coordinates and the observation time.
/// </summary>
/// <param name="coord"></param>
/// <param name="time"></param>
/// <returns></returns>
private Vector GetEVC(EquatorialCoordinate coord, DateTime localTime)
{
double deltaTime = AstroConvert.HrsToRad(localTime - _timeZero);
Vector evc = new Vector(0.0, 0.0, 0.0);
evc[0] = Math.Cos(coord.Declination.Radians) * Math.Cos(coord.RightAscension.Radians - (_k * deltaTime));
evc[1] = Math.Cos(coord.Declination.Radians) * Math.Sin(coord.RightAscension.Radians - (_k * deltaTime));
evc[2] = Math.Sin(coord.Declination.Radians);
return(evc);
}
public MountCoordinate(EquatorialCoordinate equatorial, AxisPosition axisPosition, AscomTools tools, DateTime syncTime)
{
ObservedAxes = axisPosition;
SyncTime = syncTime;
LocalApparentSiderialTime = new HourAngle(AstroConvert.LocalApparentSiderealTime(tools.Transform.SiteLongitude, syncTime));
if (tools.Transform.SiteLatitude < 0.0)
{
Hemisphere = HemisphereOption.Southern;
}
Equatorial = equatorial;
this.UpdateAltAzimuth(tools, syncTime);
}
public AxisPosition GetAxisPosition(EquatorialCoordinate eq, DateTime targetTime)
{
Vector EVC = GetEVC(eq, targetTime);
Vector HVC = new Vector(0.0, 0.0, 0.0);
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
HVC[i] += _T[i, j] * EVC[j];
}
}
return(new AxisPosition(AstroConvert.Range2Pi(Math.Atan2(HVC[1], HVC[0])), AstroConvert.Range2Pi(Math.Asin(HVC[2])), true));
}
/// <summary>
/// Returns the RADec coordinate for the observed AltAzimuth using the values
/// currently set in the passed AscomTools instance. Also sets the stored Equatorial
/// </summary>
/// <param name="transform"></param>
/// <returns></returns>
public void UpdateEquatorial(AscomTools tools, DateTime syncTime)
{
tools.Transform.JulianDateTT = tools.Util.DateLocalToJulian(syncTime);
tools.Transform.SetAzimuthElevation(AltAzimuth.Azimuth, AltAzimuth.Altitude);
Equatorial = new EquatorialCoordinate(tools.Transform.RATopocentric, tools.Transform.DECTopocentric);
}
