Package org.orekit.forces.gravity.potential

Interface NormalizedSphericalHarmonicsProvider

All Superinterfaces:

SphericalHarmonicsProvider, TideSystemProvider

All Known Implementing Classes:

CachedNormalizedSphericalHarmonicsProvider

public interface NormalizedSphericalHarmonicsProvider
extends SphericalHarmonicsProvider

Interface used to provide normalized spherical harmonics coefficients.

Since:

6.0

Author:

Luc Maisonobe

See Also:

GravityFields

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	NormalizedSphericalHarmonicsProvider.NormalizedSphericalHarmonics	The normalized geopotential coefficients at a specific instance in time.

Method Summary

Modifier and Type	Method	Description
default double	getNormalizedC20(AbsoluteDate date)	Get the normalized coefficient of degree 2 and order 0 at a specific instance in time.
NormalizedSphericalHarmonicsProvider.NormalizedSphericalHarmonics	onDate(AbsoluteDate date)	Get the normalized spherical harmonic coefficients at a specific instance in time.

Methods inherited from interface org.orekit.forces.gravity.potential.SphericalHarmonicsProvider

getAe, getMaxDegree, getMaxOrder, getMu, getReferenceDate

Methods inherited from interface org.orekit.forces.gravity.potential.TideSystemProvider

getTideSystem

Method Detail

onDate

NormalizedSphericalHarmonicsProvider.NormalizedSphericalHarmonics onDate(AbsoluteDate date)

Get the normalized spherical harmonic coefficients at a specific instance in time.

Parameters:

date - of evaluation

Returns:

normalized coefficients on date.

Since:

6.1

getNormalizedC20

default double getNormalizedC20(AbsoluteDate date)

Get the normalized coefficient of degree 2 and order 0 at a specific instance in time.

Parameters:

date - of evaluation (may be null if model is not time-dependent)

Returns:

normalized C20 on date.

Since:

12.1