org.orekit.attitudes

Class InertialProvider

java.lang.Object

org.orekit.attitudes.InertialProvider

All Implemented Interfaces:

AttitudeProvider

public class InertialProvider
extends Object
implements AttitudeProvider

This class handles an inertial attitude provider.

Instances of this class are guaranteed to be immutable.

Author:

Luc Maisonobe

Field Summary

Fields

Modifier and Type	Field and Description
static InertialProvider	EME2000_ALIGNED Dummy attitude provider, perfectly aligned with the EME2000 frame.

Constructor Summary

Constructors

Constructor and Description
InertialProvider(Frame frame) Creates new instance aligned with the given frame.
InertialProvider(Rotation rotation) Creates new instance.
InertialProvider(Rotation rotation, Frame reference) Creates new instance with a fixed attitude in the given frame.

Method Summary

Modifier and Type	Method and Description
<T extends RealFieldElement<T>> FieldAttitude<T>	getAttitude(FieldPVCoordinatesProvider<T> pvProv, FieldAbsoluteDate<T> date, Frame frame) Compute the attitude corresponding to an orbital state.
Attitude	getAttitude(PVCoordinatesProvider pvProv, AbsoluteDate date, Frame frame) Compute the attitude corresponding to an orbital state.

Methods inherited from class java.lang.Object

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

Field Detail

EME2000_ALIGNED

@DefaultDataContext
public static final InertialProvider EME2000_ALIGNED

Dummy attitude provider, perfectly aligned with the EME2000 frame.

This field uses the default data context.

See Also:

InertialProvider(Rotation, Frame), InertialProvider(Frame)

Constructor Detail

InertialProvider

@DefaultDataContext
public InertialProvider(Rotation rotation)

Creates new instance.

This constructor uses the default data context.

Parameters:

rotation - rotation from EME2000 to the desired satellite frame

See Also:

InertialProvider(Rotation, Frame)

InertialProvider

public InertialProvider(Frame frame)

Creates new instance aligned with the given frame.

Parameters:

frame - the reference frame for the attitude.

InertialProvider

public InertialProvider(Rotation rotation,
                        Frame reference)

Creates new instance with a fixed attitude in the given frame.

Parameters:

rotation - rotation from reference to the desired satellite frame

reference - frame for rotation.

Since:

10.1

Method Detail

getAttitude

public Attitude getAttitude(PVCoordinatesProvider pvProv,
                            AbsoluteDate date,
                            Frame frame)

Compute the attitude corresponding to an orbital state.

Specified by:

getAttitude in interface AttitudeProvider

Parameters:

pvProv - local position-velocity provider around current date

date - current date

frame - reference frame from which attitude is computed

Returns:

attitude attitude on the specified date and position-velocity state

getAttitude

public <T extends RealFieldElement<T>> FieldAttitude<T> getAttitude(FieldPVCoordinatesProvider<T> pvProv,
                                                                    FieldAbsoluteDate<T> date,
                                                                    Frame frame)

Compute the attitude corresponding to an orbital state.

Specified by:

getAttitude in interface AttitudeProvider

Type Parameters:

T - type of the field elements

Parameters:

pvProv - local position-velocity provider around current date

date - current date

frame - reference frame from which attitude is computed

Returns:

attitude attitude on the specified date and position-velocity state