org.orekit.frames.configuration.precessionnutation
Class IERS20032010PrecessionNutation

java.lang.Object
  org.orekit.frames.configuration.precessionnutation.IERS20032010PrecessionNutation

All Implemented Interfaces:

PrecessionNutationModel

public class IERS20032010PrecessionNutation
extends Object
implements PrecessionNutationModel

This class implement the IERS 2003 and 2010 Precession Nutation models.

Since:

1.3

Version:

$Id: IERS20032010PrecessionNutation.java 8189 2013-03-15 14:32:49Z CardosoP $

Author:

Rami Houdroge

See Also:

PrecessionNutationModel

Constructor Summary

IERS20032010PrecessionNutation(PrecessionNutationConvention convention, boolean nonConstantRotation)
Constructor.

Method Summary

double[]	getCIPMotion(AbsoluteDate date) Compute the Celestial Intermediate pole motion in the GCRS.
double[]	getCIPMotionTimeDerivative(AbsoluteDate date) Compute the Celestial Intermediate pole motion in the GCRS.
boolean	isDirect() Return computation type : direct or interpolated.

Methods inherited from class java.lang.Object

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

Constructor Detail

IERS20032010PrecessionNutation

public IERS20032010PrecessionNutation(PrecessionNutationConvention convention,
                                      boolean nonConstantRotation)

Constructor.

Parameters:

convention - IERS convention to use

nonConstantRotation - true if derivatives are to be computed, false otherwise

Method Detail

getCIPMotion

public double[] getCIPMotion(AbsoluteDate date)

Compute the Celestial Intermediate pole motion in the GCRS.

Specified by:

getCIPMotion in interface PrecessionNutationModel

Parameters:

date - date

Returns:

CIP motion as an array of doubles

getCIPMotionTimeDerivative

public double[] getCIPMotionTimeDerivative(AbsoluteDate date)

Compute the Celestial Intermediate pole motion in the GCRS.

Specified by:

getCIPMotionTimeDerivative in interface PrecessionNutationModel

Parameters:

date - date

Returns:

CIP motion time derivatives as an array of doubles

isDirect

public boolean isDirect()

Description copied from interface: PrecessionNutationModel

Return computation type : direct or interpolated.

Specified by:

isDirect in interface PrecessionNutationModel

Returns:

true if direct computation, false if interpolated