/// <summary>
/// Returns the AltAzimuth coordinate for the equatorial using the values
/// currently set in the passed Transform instance.
/// </summary>
/// <param name="transform"></param>
/// <returns></returns>
public AltAzCoordinate GetAltAzimuth(Transform transform)
{
transform.SetTopocentric(_Equatorial.RightAscension, _Equatorial.Declination);
transform.Refresh();
AltAzCoordinate coord = new AltAzCoordinate(transform.ElevationTopocentric, transform.AzimuthTopocentric);
return(coord);
}
/// <summary>
/// Initialise a mount coordinate with Ra/Dec strings and axis positions in radians.
/// </summary>
/// <param name="altAz">The AltAzimuth coordinate for the mount</param>
/// <param name="suggested">The suggested position for the axes (e.g. via a star catalogue lookup)</param>
/// <param name="localTime">The local time of the observation</param>
public MountCoordinate(string ra, string dec, IntegerPair axisPosition, Transform transform, double localJulianTimeUTC) : this(new EquatorialCoordinate(ra, dec))
{
_Equatorial = new EquatorialCoordinate(ra, dec);
_AltAzimuth = this.GetAltAzimuth(transform, localJulianTimeUTC);
_AxesPosition = axisPosition;
_AxisJulianTimeUTC = localJulianTimeUTC;
_MasterCoordinate = MasterCoordinateEnum.Equatorial;
}
public CarteseanCoordinate ToCartesean(Angle latitude, bool affineTaki = true)
{
CarteseanCoordinate cartCoord;
if (affineTaki)
{
// Get Polar (or should than be get AltAzimuth) from Equatorial coordinate (formerly call to EQ_SphericalPolar)
AltAzCoordinate polar = AstroConvert.GetAltAz(this, latitude);
// Get Cartesean from Polar (formerly call to EQ_Polar2Cartes)
cartCoord = polar.ToCartesean();
}
else
{
cartCoord = new CarteseanCoordinate(this.RightAscension.Radians, this.Declination.Radians, 1.0);
}
return(cartCoord);
}
/// <summary>
/// Initialisation with an equatorial coordinate, a transform instance and the local julian time (corrected)
/// which then means that the AltAzimunth at the time is available.
/// </summary>
public MountCoordinate(AltAzCoordinate altAz, Transform transform, double localJulianTimeUTC) : this(altAz)
{
_LocalJulianTimeUTC = localJulianTimeUTC;
_Equatorial = this.GetEquatorial(transform, localJulianTimeUTC);
}
/// <summary>
/// Initialisation with an equatorial coordinate, a transform instance and the local julian time (corrected)
/// which then means that the AltAzimunth at the time is available.
/// </summary>
public MountCoordinate(EquatorialCoordinate equatorial, Transform transform, double localJulianTimeUTC) : this(equatorial)
{
_AltAzimuth = this.GetAltAzimuth(transform, localJulianTimeUTC);
_LocalJulianTimeUTC = localJulianTimeUTC;
}
/// <summary>
/// Simple initialisation with an altAzimuth coordinate
/// </summary>
public MountCoordinate(AltAzCoordinate altAz)
{
_AltAzimuth = altAz;
_MasterCoordinate = MasterCoordinateEnum.AltAzimuth;
}