Package org.orekit.utils

Class ConstantPositionProvider

java.lang.Object

org.orekit.utils.ConstantPositionProvider

All Implemented Interfaces:

ExtendedPositionProvider, PVCoordinatesProvider

Direct Known Subclasses:

GeodeticExtendedPositionProvider

public class ConstantPositionProvider
extends Object
implements ExtendedPositionProvider

Fixed-position (in a given frame) provider. The point might be fictitious.

Since:

14.0

Author:

Romain Serra

See Also:

• PVCoordinatesProvider

Constructor Summary

Constructors

Constructor	Description
ConstantPositionProvider(Vector3D constantPosition, Frame referenceFrame)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
Vector3D	getConstantPosition()	Getter for constant position in reference frame.
Vector3D	getPosition(AbsoluteDate date, Frame frame)	Get the position of the body in the selected frame.
<T extends CalculusFieldElement<T>> FieldVector3D<T>	getPosition(FieldAbsoluteDate<T> date, Frame frame)	Get the position in the selected frame.
TimeStampedPVCoordinates	getPVCoordinates(AbsoluteDate date, Frame frame)	Get the PVCoordinates of the body in the selected frame.
<T extends CalculusFieldElement<T>> TimeStampedFieldPVCoordinates<T>	getPVCoordinates(FieldAbsoluteDate<T> date, Frame frame)	Get the position-velocity-acceleration in the selected frame.
Vector3D	getVelocity(AbsoluteDate date, Frame frame)	Get the velocity of the body in the selected frame.
<T extends CalculusFieldElement<T>> FieldVector3D<T>	getVelocity(FieldAbsoluteDate<T> date, Frame frame)	Get the velocity vector in the selected frame.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.orekit.utils.ExtendedPositionProvider

toFieldPVCoordinatesProvider

Constructor Details

ConstantPositionProvider

public ConstantPositionProvider(Vector3D constantPosition,
 Frame referenceFrame)

Simple constructor.

Parameters:

constantPosition - constant position vector in input frame

referenceFrame - frame where constant position is given

Method Details

getConstantPosition

public Vector3D getConstantPosition()

Getter for constant position in reference frame.

Returns:

position in reference frame

getPosition

public Vector3D getPosition(AbsoluteDate date,
 Frame frame)

Get the position of the body in the selected frame.

Specified by:

getPosition in interface PVCoordinatesProvider

Parameters:

date - current date

frame - the frame where to define the position

Returns:

position of the body (m and)

getPosition

public <T extends CalculusFieldElement<T>>
FieldVector3D<T> getPosition(FieldAbsoluteDate<T> date,
 Frame frame)

Get the position in the selected frame.

Specified by:

getPosition in interface ExtendedPositionProvider

Type Parameters:

T - field type

Parameters:

date - current date

frame - the frame where to define the position

Returns:

position

getVelocity

public Vector3D getVelocity(AbsoluteDate date,
 Frame frame)

Get the velocity of the body in the selected frame.

Specified by:

getVelocity in interface ExtendedPositionProvider

Specified by:

getVelocity in interface PVCoordinatesProvider

Parameters:

date - current date

frame - the frame where to define the velocity

Returns:

velocity of the body (m/s)

getVelocity

public <T extends CalculusFieldElement<T>>
FieldVector3D<T> getVelocity(FieldAbsoluteDate<T> date,
 Frame frame)

Get the velocity vector in the selected frame.

Specified by:

getVelocity in interface ExtendedPositionProvider

Type Parameters:

T - field type

Parameters:

date - current date

frame - the frame where to define the velocity

Returns:

velocity

getPVCoordinates

public TimeStampedPVCoordinates getPVCoordinates(AbsoluteDate date,
 Frame frame)

Get the PVCoordinates of the body in the selected frame.

Specified by:

getPVCoordinates in interface ExtendedPositionProvider

Specified by:

getPVCoordinates in interface PVCoordinatesProvider

Parameters:

date - current date

frame - the frame where to define the position

Returns:

time-stamped position/velocity of the body (m and m/s)

getPVCoordinates

public <T extends CalculusFieldElement<T>>
TimeStampedFieldPVCoordinates<T> getPVCoordinates(FieldAbsoluteDate<T> date,
 Frame frame)

Get the position-velocity-acceleration in the selected frame.

Specified by:

getPVCoordinates in interface ExtendedPositionProvider

Type Parameters:

T - field type

Parameters:

date - current date

frame - the frame where to define the position

Returns:

position-velocity-acceleration vector