fr.cnes.sirius.patrius.attitudes

Class DirectionTrackingOrientation

java.lang.Object

fr.cnes.sirius.patrius.attitudes.DirectionTrackingOrientation

All Implemented Interfaces:

IOrientationLaw

public final class DirectionTrackingOrientation
extends Object
implements IOrientationLaw

Since:

1.2

Version:

$Id: DirectionTrackingOrientation.java 17582 2017-05-10 12:58:16Z bignon $

Author:

Julie Anton

Description :

One direction orientation law. This law has to be used within a composed attitude law as a law modifier.

Concurrency :

conditionally thread safe

Concurrency comment :

the IDirection object has to be thread-safe itself

Constructor Summary

Constructors

Constructor and Description
DirectionTrackingOrientation(IDirection direction, Vector3D satelliteAxis, Vector3D satelliteFixedAxis) Constructor.

Method Summary

Modifier and Type	Method and Description
Rotation	getOrientation(AbsoluteDate date, Frame frame) Gets the rotation defining the orientation with respect to a given frame at a given date.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DirectionTrackingOrientation

public DirectionTrackingOrientation(IDirection direction,
                                    Vector3D satelliteAxis,
                                    Vector3D satelliteFixedAxis)

Constructor.

Parameters:

direction - : the direction that has to be followed

satelliteAxis - : satellite axis aligned with the first direction

satelliteFixedAxis - : fixed satellite axis that defines the second direction

Method Detail

getOrientation

public Rotation getOrientation(AbsoluteDate date,
                               Frame frame)
                        throws PatriusException

Gets the rotation defining the orientation with respect to a given frame at a given date.

Specified by:

getOrientation in interface IOrientationLaw

Parameters:

date - date

frame - frame

Returns:

the orientation

Throws:

PatriusException - if a problem occurs during frames transformations