fr.cnes.sirius.patrius.frames.configuration.precessionnutation

Interface PrecessionNutationModel

All Superinterfaces:

Serializable

All Known Implementing Classes:

IERS20032010PrecessionNutation, NoPrecessionNutation, PrecessionNutationCache, PrecessionNutationInterpolation, PrecessionNutationPerThread, StelaPrecessionNutationModel

public interface PrecessionNutationModel
extends Serializable

This interface provides the Celestial Intermediate Pole motion (CIP) in the GCRS, those coordinates are used for the GCRF to CIRF transformation.

Version:

$Id: PrecessionNutationModel.java 18073 2017-10-02 16:48:07Z bignon $

Author:

Julie Anton

Method Summary

Modifier and Type	Method and Description
CIPCoordinates	getCIPCoordinates(AbsoluteDate date) Getter for the CIP coordinates at the provided date.
FrameConvention	getOrigin() Get IERS model origin.
boolean	isDirect() Return computation type : direct or interpolated.

Method Detail

getCIPCoordinates

CIPCoordinates getCIPCoordinates(AbsoluteDate date)

Getter for the CIP coordinates at the provided date.

Parameters:

date - Date for the CIP coordinates

Returns:

the CIP coordinates

isDirect

boolean isDirect()

Return computation type : direct or interpolated.

Returns:

true if direct computation, false if interpolated

getOrigin

FrameConvention getOrigin()

Get IERS model origin.

Returns:

IERS model origin