Description

Object Model

Public Methods

AddCBFQuaternion	Adds attitude data based on a time-ordered set of quaternions interpreted relative to CBF.
AddECIYPR	Adds attitude data based on a time-ordered set of yaw, pitch, roll angles in the J2000 ECI coordinate system.
AddEuler	Adds attitude data based on a time-ordered set of Euler angles.
AddQuaternion	Adds attitude data based on a time-ordered set of quaternions.
AddYPR	Adds attitude data based on a time-ordered set of yaw, pitch and roll angles.
ClearAll	Clear attitude data created using AddXXX commands

Public Properties

BlockFactor	A block factor used to help size allocated memory used to hold the history
DataReference	Returns a reference attitude profile for incoming attitude data.
Duration	Get look ahead/look behind duration.
LookAheadMethod	Look ahead method can be extrapolate or hold.

Interfaces

Example

Add attitude data based on a time-ordered set of quaternions interpreted relative to CBF

[C#]

Copy Code

satellite.SetAttitudeType(AgEVeAttitude.eAttitudeRealTime);  IAgVeAttitudeRealTime realtime = satellite.Attitude as IAgVeAttitudeRealTime;    for (int i = 0; i < cpfQuaternion.GetUpperBound(0); i++)  {      realtime.AddCBFQuaternion(          cpfQuaternion.GetValue(i, 0),          (double)cpfQuaternion.GetValue(i, 1),          (double)cpfQuaternion.GetValue(i, 2),          (double)cpfQuaternion.GetValue(i, 3),          (double)cpfQuaternion.GetValue(i, 4));  }

Configure real-time attitude

[C#]

Copy Code

// set attitude type to real time  satellite.SetAttitudeType(AgEVeAttitude.eAttitudeRealTime);  IAgVeAttitudeRealTime realtime = satellite.Attitude as IAgVeAttitudeRealTime;    // Set our Attitude Look Ahead method to Extrapolate  realtime.LookAheadMethod = AgEVeLookAheadMethod.eExtrapolate;    // Duration  IAgVeDuration duration = realtime.Duration;  duration.LookAhead = 1600.0;  duration.LookBehind = 1600.0;    // BlockFactor  realtime.BlockFactor = 40;  realtime.DataReference.SetProfileType(AgEVeProfile.eProfileInertiallyFixed);

Add attitude data based on a time-ordered set of quaternions interpreted relative to CBF

[Visual Basic .NET]

Copy Code

satellite.SetAttitudeType(AgEVeAttitude.eAttitudeRealTime) Dim realtime As IAgVeAttitudeRealTime = TryCast(satellite.Attitude, IAgVeAttitudeRealTime) Dim i As Integer = 0 While i <>     realtime.AddCBFQuaternion(cpfQuaternion.GetValue(i, 0), DirectCast(cpfQuaternion.GetValue(i, 1), Double), DirectCast(cpfQuaternion.GetValue(i, 2), Double), DirectCast(cpfQuaternion.GetValue(i, 3), Double), DirectCast(cpfQuaternion.GetValue(i, 4), Double))     System.Math.Max(System.Threading.Interlocked.Increment(i),i - 1) End While

Configure real-time attitude

[Visual Basic .NET]

Copy Code

' set attitude type to real time satellite.SetAttitudeType(AgEVeAttitude.eAttitudeRealTime) Dim realtime As IAgVeAttitudeRealTime = TryCast(satellite.Attitude, IAgVeAttitudeRealTime) ' Set our Attitude Look Ahead method to Extrapolate realtime.LookAheadMethod = AgEVeLookAheadMethod.eExtrapolate ' Duration Dim duration As IAgVeDuration = realtime.Duration duration.LookAhead = 1600 duration.LookBehind = 1600 ' BlockFactor realtime.BlockFactor = 40 realtime.DataReference.SetProfileType(AgEVeProfile.eProfileInertiallyFixed)

CoClasses that Implement IAgVeAttitudeRealTime