fr.cnes.sirius.patrius.frames.configuration.modprecession

Class IAUMODPrecession

java.lang.Object

fr.cnes.sirius.patrius.frames.configuration.modprecession.IAUMODPrecession

All Implemented Interfaces:

MODPrecessionModel, Serializable

public class IAUMODPrecession
extends Object
implements MODPrecessionModel

This class implement the IAU Precession models for GCRF to MOD transformation.

Since:

4.13

Author:

Emmanuel Bignon

See Also:

IAUMODPrecessionConvention, Serialized Form

Constructor Summary

Constructors

Constructor and Description
IAUMODPrecession(IAUMODPrecessionConvention convention, int degreeObliquity, int degreePrecession) Constructor.

Method Summary

Modifier and Type	Method and Description
IAUMODPrecessionConvention	getConvention() Returns the IAU convention.
double	getEarthObliquity(AbsoluteDate date) Getter for the Earth obliquity at provided date used in MOD to Ecliptic MOD transformation.
Rotation	getMODPrecession(AbsoluteDate date) Getter for the MOD precession transformation from GCRF/EME2000 to MOD at provided date.
int	getObliquityDegree() Returns the obliquity polynomial development degree.
PolynomialFunction	getPolynomialObliquity() Returns the Obliquity polynomial.
PolynomialFunction	getPolynomialPrecessionTheta() Returns the Precession (Theta) polynomial.
PolynomialFunction	getPolynomialPrecessionZ() Returns the Precession (Z) polynomial.
PolynomialFunction	getPolynomialPrecessionZeta() Returns the Precession (Zeta) polynomial.
int	getPrecessionDegree() Returns the obliquity polynomial development degree.

Methods inherited from class java.lang.Object

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

Constructor Detail

IAUMODPrecession

public IAUMODPrecession(IAUMODPrecessionConvention convention,
                        int degreeObliquity,
                        int degreePrecession)

Constructor.

Parameters:

convention - IAU convention

degreeObliquity - obliquity polynomial development degree

degreePrecession - precession polynomial development degree

Throws:

IllegalArgumentException - thrown if obliquity or precession degree is higher than degree available in convention or negative

Method Detail

getEarthObliquity

public double getEarthObliquity(AbsoluteDate date)

Getter for the Earth obliquity at provided date used in MOD to Ecliptic MOD transformation.

Specified by:

getEarthObliquity in interface MODPrecessionModel

Parameters:

date - date

Returns:

the Earth obliquity at provided date used in MOD to Ecliptic MOD transformation

getMODPrecession

public Rotation getMODPrecession(AbsoluteDate date)

Getter for the MOD precession transformation from GCRF/EME2000 to MOD at provided date.

Specified by:

getMODPrecession in interface MODPrecessionModel

Parameters:

date - date

Returns:

the MOD precession rotation from GCRF/EME2000 to MOD at provided date

getConvention

public IAUMODPrecessionConvention getConvention()

Returns the IAU convention.

Returns:

the IAU convention

getObliquityDegree

public int getObliquityDegree()

Returns the obliquity polynomial development degree.

Returns:

the obliquity polynomial development degree

getPrecessionDegree

public int getPrecessionDegree()

Returns the obliquity polynomial development degree.

Returns:

the obliquity polynomial development degree

getPolynomialObliquity

public PolynomialFunction getPolynomialObliquity()

Returns the Obliquity polynomial.

Returns:

the Obliquity polynomial

getPolynomialPrecessionZeta

public PolynomialFunction getPolynomialPrecessionZeta()

Returns the Precession (Zeta) polynomial.

Returns:

the Precession (Zeta) polynomial

getPolynomialPrecessionTheta

public PolynomialFunction getPolynomialPrecessionTheta()

Returns the Precession (Theta) polynomial.

Returns:

the Precession (Theta) polynomial

getPolynomialPrecessionZ

public PolynomialFunction getPolynomialPrecessionZ()

Returns the Precession (Z) polynomial.

Returns:

the Precession (Z) polynomial