ASCOM Library
SofaTporv Method
Gnomonic projection: (ξ,η) to unit vector.
Definition
Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea
Status code: 0 = OK, <0 indicates an error condition.
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea
C#
public static int Tporv(
double xi,
double eta,
double[] v,
double[] v01,
double[] v02
)VB
Public Shared Function Tporv (
xi As Double,
eta As Double,
v As Double(),
v01 As Double(),
v02 As Double()
) As IntegerParameters
- xi Double
- Projection coordinate ξ.
- eta Double
- Projection coordinate η.
- v Double
- Direction cosines of tangent point (length 3).
- v01 Double
- Returned unit vector solution 1 (length 3).
- v02 Double
- Returned unit vector solution 2 (length 3).
Return Value
Int32Status code: 0 = OK, <0 indicates an error condition.
Exceptions
| ArgumentNullException | Thrown if any array parameter is null. |
| ArgumentException | Thrown if any array parameter has incorrect length. |