Package org.orekit.forces.radiation

Class AbstractLightFluxModel

java.lang.Object

org.orekit.forces.radiation.AbstractLightFluxModel

All Implemented Interfaces:

LightFluxModel

Direct Known Subclasses:

CylindricallyShadowedLightFluxModel

public abstract class AbstractLightFluxModel
extends Object
implements LightFluxModel

Abstract class for light flux models. Via the definition of the lighting ratio and the unocculted flux vector, derives the final value.

Since:

12.1

Author:

Romain Serra

See Also:

LightFluxModel

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractLightFluxModel(ExtendedPositionProvider occultedBody)	Constructor.

Method Summary

Modifier and Type	Method	Description
<T extends CalculusFieldElement<T>> FieldVector3D<T>	getLightFluxVector(FieldSpacecraftState<T> state)	Get the light flux vector in the state's frame.
Vector3D	getLightFluxVector(SpacecraftState state)	Get the light flux vector in the state's frame.
protected abstract <T extends CalculusFieldElement<T>> T	getLightingRatio(FieldVector3D<T> position, FieldVector3D<T> occultedBodyPosition)	Get the lighting ratio ([0-1]).
protected abstract double	getLightingRatio(Vector3D position, Vector3D occultedBodyPosition)	Get the lighting ratio ([0-1]).
ExtendedPositionProvider	getOccultedBody()	Getter for the occulted body's position provider.
protected Vector3D	getOccultedBodyPosition(AbsoluteDate date, Frame frame)	Method computing the occulted body's position at a given date and frame.
protected <T extends CalculusFieldElement<T>> FieldVector3D<T>	getOccultedBodyPosition(FieldAbsoluteDate<T> date, Frame frame)	Method computing the occulted body's position at a given date and frame.
protected abstract <T extends CalculusFieldElement<T>> FieldVector3D<T>	getUnoccultedFluxVector(FieldVector3D<T> relativePosition)	Get the light flux vector, not considering any shadowing effect.
protected abstract Vector3D	getUnoccultedFluxVector(Vector3D relativePosition)	Get the light flux vector, not considering any shadowing effect.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.orekit.forces.radiation.LightFluxModel

getEclipseConditionsDetector, getFieldEclipseConditionsDetector

Constructor Detail

AbstractLightFluxModel

protected AbstractLightFluxModel(ExtendedPositionProvider occultedBody)

Constructor.

Parameters:

occultedBody - position provider for light source

Method Detail

getOccultedBody

public ExtendedPositionProvider getOccultedBody()

Getter for the occulted body's position provider.

Returns:

occulted body

getLightFluxVector

public Vector3D getLightFluxVector(SpacecraftState state)

Get the light flux vector in the state's frame.

Specified by:

getLightFluxVector in interface LightFluxModel

Parameters:

state - state

Returns:

light flux

getLightFluxVector

public <T extends CalculusFieldElement<T>> FieldVector3D<T> getLightFluxVector(FieldSpacecraftState<T> state)

Get the light flux vector in the state's frame. Field version.

Specified by:

getLightFluxVector in interface LightFluxModel

Type Parameters:

T - field type

Parameters:

state - state

Returns:

light flux

getOccultedBodyPosition

protected Vector3D getOccultedBodyPosition(AbsoluteDate date,
                                           Frame frame)

Method computing the occulted body's position at a given date and frame.

Parameters:

date - date

frame - frame

Returns:

position

getOccultedBodyPosition

protected <T extends CalculusFieldElement<T>> FieldVector3D<T> getOccultedBodyPosition(FieldAbsoluteDate<T> date,
                                                                                       Frame frame)

Method computing the occulted body's position at a given date and frame. Field version.

Type Parameters:

T - field type

Parameters:

date - date

frame - frame

Returns:

position

getUnoccultedFluxVector

protected abstract Vector3D getUnoccultedFluxVector(Vector3D relativePosition)

Get the light flux vector, not considering any shadowing effect.

Parameters:

relativePosition - relative position w.r.t. light source

Returns:

unocculted flux

getUnoccultedFluxVector

protected abstract <T extends CalculusFieldElement<T>> FieldVector3D<T> getUnoccultedFluxVector(FieldVector3D<T> relativePosition)

Get the light flux vector, not considering any shadowing effect. Field version.

Type Parameters:

T - field type

Parameters:

relativePosition - relative position w.r.t. light source

Returns:

unocculted flux

getLightingRatio

protected abstract double getLightingRatio(Vector3D position,
                                           Vector3D occultedBodyPosition)

Get the lighting ratio ([0-1]).

Parameters:

position - object's position

occultedBodyPosition - occulted body position in same frame

Returns:

lighting ratio

getLightingRatio

protected abstract <T extends CalculusFieldElement<T>> T getLightingRatio(FieldVector3D<T> position,
                                                                          FieldVector3D<T> occultedBodyPosition)

Get the lighting ratio ([0-1]). Field version.

Type Parameters:

T - field type

Parameters:

position - object's position

occultedBodyPosition - occulted body position in same frame

Returns:

lighting ratio