Package org.orekit.orbits

Class FieldEquinoctialLongitudeArgumentUtility

java.lang.Object

org.orekit.orbits.FieldEquinoctialLongitudeArgumentUtility

public class FieldEquinoctialLongitudeArgumentUtility
extends Object

Utility methods for converting between different longitude arguments used by FieldEquinoctialOrbit.

Since:

12.1

Author:

Romain Serra

See Also:

FieldEquinoctialOrbit

Method Summary

Modifier and Type	Method	Description
static <T extends CalculusFieldElement<T>> T	convertL(PositionAngleType oldType, T l, T ex, T ey, PositionAngleType newType)	Convert argument of longitude.
static <T extends CalculusFieldElement<T>> T	eccentricToMean(T ex, T ey, T lE)	Computes the mean longitude argument from the eccentric longitude argument.
static <T extends CalculusFieldElement<T>> T	eccentricToTrue(T ex, T ey, T lE)	Computes the true longitude argument from the eccentric longitude argument.
static <T extends CalculusFieldElement<T>> T	meanToEccentric(T ex, T ey, T lM)	Computes the eccentric longitude argument from the mean longitude argument.
static <T extends CalculusFieldElement<T>> T	meanToTrue(T ex, T ey, T lM)	Computes the true longitude argument from the eccentric longitude argument.
static <T extends CalculusFieldElement<T>> T	trueToEccentric(T ex, T ey, T lV)	Computes the eccentric longitude argument from the true longitude argument.
static <T extends CalculusFieldElement<T>> T	trueToMean(T ex, T ey, T lV)	Computes the mean longitude argument from the eccentric longitude argument.

Methods inherited from class java.lang.Object

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

Method Detail

eccentricToTrue

public static <T extends CalculusFieldElement<T>> T eccentricToTrue(T ex,
                                                                    T ey,
                                                                    T lE)

Computes the true longitude argument from the eccentric longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lE - = E + ω + Ω eccentric longitude argument (rad)

Returns:

the true longitude argument.

trueToEccentric

public static <T extends CalculusFieldElement<T>> T trueToEccentric(T ex,
                                                                    T ey,
                                                                    T lV)

Computes the eccentric longitude argument from the true longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lV - = V + ω + Ω true longitude argument (rad)

Returns:

the eccentric longitude argument.

meanToEccentric

public static <T extends CalculusFieldElement<T>> T meanToEccentric(T ex,
                                                                    T ey,
                                                                    T lM)

Computes the eccentric longitude argument from the mean longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lM - = M + ω + Ω mean longitude argument (rad)

Returns:

the eccentric longitude argument.

eccentricToMean

public static <T extends CalculusFieldElement<T>> T eccentricToMean(T ex,
                                                                    T ey,
                                                                    T lE)

Computes the mean longitude argument from the eccentric longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lE - = E + ω + Ω mean longitude argument (rad)

Returns:

the mean longitude argument.

trueToMean

public static <T extends CalculusFieldElement<T>> T trueToMean(T ex,
                                                               T ey,
                                                               T lV)

Computes the mean longitude argument from the eccentric longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lV - = V + ω + Ω true longitude argument (rad)

Returns:

the mean longitude argument.

meanToTrue

public static <T extends CalculusFieldElement<T>> T meanToTrue(T ex,
                                                               T ey,
                                                               T lM)

Computes the true longitude argument from the eccentric longitude argument.

Type Parameters:

T - Type of the field elements

Parameters:

ex - e cos(ω), first component of eccentricity vector

ey - e sin(ω), second component of eccentricity vector

lM - = M + ω + Ω mean longitude argument (rad)

Returns:

the true longitude argument.

convertL

public static <T extends CalculusFieldElement<T>> T convertL(PositionAngleType oldType,
                                                             T l,
                                                             T ex,
                                                             T ey,
                                                             PositionAngleType newType)

Convert argument of longitude.

Type Parameters:

T - field type

Parameters:

oldType - old position angle type

l - old value for argument of longitude

ex - ex

ey - ey

newType - new position angle type

Returns:

converted argument of longitude

Since:

12.2