vega.uplink.pointing

Class PointingAttitude

java.lang.Object

CompositeDataset

vega.uplink.pointing.PointingElement

vega.uplink.pointing.PointingAttitude

Direct Known Subclasses:

Capture, DerivedPhaseAngle, IlluminatedPoint, Inertial, Limb, Specular, Terminator, Track, Velocity

public class PointingAttitude
extends PointingElement

Basic pointing. For each basic pointing a boresight is aligned with a target defined relative to inertial frame.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ATTITUDE_TAG
static java.lang.String	POINTING_ATTITUDE_TYPE_CAPTURE fixed attitude type that was implemented in the same PTR at an earlier time.
static java.lang.String	POINTING_ATTITUDE_TYPE_ILLUMINATEDPOINT attitude type pointing the boresight to an illuminated point of the comet
static java.lang.String	POINTING_ATTITUDE_TYPE_INERTIAL Attitude type where the boresight is aligned with a fixed vector given relative to inertial frame.
static java.lang.String	POINTING_ATTITUDE_TYPE_LIMB Attitude type that points the boresight to an user-selected point relative to the limb of CG.
static java.lang.String	POINTING_ATTITUDE_TYPE_SPECULAR attitude type that points the boresight to the specular point wrt.
static java.lang.String	POINTING_ATTITUDE_TYPE_TERMINATOR attitude type that points the boresight to the point on the terminator that is in the comet-sun-SC plane and visible from the SC.
static java.lang.String	POINTING_ATTITUDE_TYPE_TRACK Attitude type where the target is given by a solar system object or landmark.
static java.lang.String	POINTING_ATTITUDE_TYPE_VELOCITY Attitude type pointing the boresight along the velocity vector of the SC relative to CG
static java.lang.String	POWEROPTIMIZED_TAG
static java.lang.String	REF_TAG

Constructor Summary

Constructors

Constructor and Description
PointingAttitude(PointingElement org)
PointingAttitude(java.lang.String type) Creates a pointing attitude of the given type
PointingAttitude(java.lang.String type, Boresight boresight, PhaseAngle phaseAngle) Creates a pointing attitude of the given type

Method Summary

Methods

Modifier and Type	Method and Description
PointingAttitude	copy()
java.lang.String	getAttitudeType() Get the type of this attitude
Boresight	getBoresight() Get the Vector defined in SC frame that shall be pointed to the target
OffsetAngles	getOffsetAngles() Get the offset angles
OffsetRefAxis	getOffsetRefAxis() Get the off set reference axis
PhaseAngle	getPhaseAngle() Get the rule that fixes the degree of freedom around the boresight.
void	setBoresight(Boresight boresight) Set the Vector defined in SC frame that shall be pointed to the target
void	SetOffset(OffsetRefAxis refAxis, OffsetAngles angles) Set the offset reference axis and the offset angles
void	setPhaseAngle(PhaseAngle phaseAngle) Set the rule that fixes the degree of freedom around the boresight.

Methods inherited from class vega.uplink.pointing.PointingElement

addAttribute, addChild, asDataset, copyFrom, equals, getAttribute, getAttributes, getChild, getChildren, getDescription, getFirstLevelTextContent, getName, getValue, hasAttributtes, hasChildren, readFrom, regenerate, removeAttribute, removeAttribute, setDescription, setValue, toString, toStringParameter, toXml, validate

Methods inherited from class java.lang.Object

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

Field Detail

POINTING_ATTITUDE_TYPE_CAPTURE

public static java.lang.String POINTING_ATTITUDE_TYPE_CAPTURE

fixed attitude type that was implemented in the same PTR at an earlier time.

POINTING_ATTITUDE_TYPE_ILLUMINATEDPOINT

public static java.lang.String POINTING_ATTITUDE_TYPE_ILLUMINATEDPOINT

attitude type pointing the boresight to an illuminated point of the comet

POINTING_ATTITUDE_TYPE_INERTIAL

public static java.lang.String POINTING_ATTITUDE_TYPE_INERTIAL

Attitude type where the boresight is aligned with a fixed vector given relative to inertial frame.

POINTING_ATTITUDE_TYPE_LIMB

public static java.lang.String POINTING_ATTITUDE_TYPE_LIMB

Attitude type that points the boresight to an user-selected point relative to the limb of CG.

POINTING_ATTITUDE_TYPE_SPECULAR

public static java.lang.String POINTING_ATTITUDE_TYPE_SPECULAR

attitude type that points the boresight to the specular point wrt. Earth on an elliptical surface defined relative to the centre of CG.

POINTING_ATTITUDE_TYPE_TERMINATOR

public static java.lang.String POINTING_ATTITUDE_TYPE_TERMINATOR

attitude type that points the boresight to the point on the terminator that is in the comet-sun-SC plane and visible from the SC.

POINTING_ATTITUDE_TYPE_TRACK

public static java.lang.String POINTING_ATTITUDE_TYPE_TRACK

Attitude type where the target is given by a solar system object or landmark.

POINTING_ATTITUDE_TYPE_VELOCITY

public static java.lang.String POINTING_ATTITUDE_TYPE_VELOCITY

Attitude type pointing the boresight along the velocity vector of the SC relative to CG

ATTITUDE_TAG

public static java.lang.String ATTITUDE_TAG

REF_TAG

public static java.lang.String REF_TAG

POWEROPTIMIZED_TAG

public static java.lang.String POWEROPTIMIZED_TAG

Constructor Detail

PointingAttitude

public PointingAttitude(PointingElement org)

PointingAttitude

public PointingAttitude(java.lang.String type,
                Boresight boresight,
                PhaseAngle phaseAngle)

Creates a pointing attitude of the given type

Parameters:

type - type of this attitude

boresight - Vector defined in SC frame that shall be pointed to the target

phaseAngle - Rule that fixes the degree of freedom around the boresight.

PointingAttitude

public PointingAttitude(java.lang.String type)

Creates a pointing attitude of the given type

Parameters:

type - type of this attitude

Method Detail

copy

public PointingAttitude copy()

Overrides:

copy in class PointingElement

getAttitudeType

public java.lang.String getAttitudeType()

Get the type of this attitude

Returns:

setBoresight

public void setBoresight(Boresight boresight)

Set the Vector defined in SC frame that shall be pointed to the target

Parameters:

boresight -

getBoresight

public Boresight getBoresight()

Get the Vector defined in SC frame that shall be pointed to the target

Returns:

getPhaseAngle

public PhaseAngle getPhaseAngle()

Get the rule that fixes the degree of freedom around the boresight. if the attitude type ends with _pwropt (power optimized) it return the default phase angle

Returns:

setPhaseAngle

public void setPhaseAngle(PhaseAngle phaseAngle)

Set the rule that fixes the degree of freedom around the boresight. if the attitude type ends with _pwropt (power optimized) it will not set the phase angle

Parameters:

phaseAngle -

SetOffset

public void SetOffset(OffsetRefAxis refAxis,
             OffsetAngles angles)

Set the offset reference axis and the offset angles

Parameters:

refAxis -

angles -

getOffsetRefAxis

public OffsetRefAxis getOffsetRefAxis()

Get the off set reference axis

Returns:

getOffsetAngles

public OffsetAngles getOffsetAngles()

Get the offset angles

Returns: