Epsl

java.lang.Object
- gaia.cu9.ari.gaiaorbit.util.gaia.BaseAttitudeDataServer<Attitude>
- - gaia.cu9.ari.gaiaorbit.util.gaia.AnalyticalAttitudeDataServer
  - - gaia.cu9.ari.gaiaorbit.util.gaia.Epsl

public class Epsl
extends AnalyticalAttitudeDataServer

Implementation of the Ecliptic Pole Scanning Law (EPSL)

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`Epsl.Mode`	Ecliptic pole scanning has two modes: PRECEDING (revolving phase angle = 0) and FOLLOWING (revolving phase angle = 180 deg).

Field Summary
- Fields inherited from class gaia.cu9.ari.gaiaorbit.util.gaia.AnalyticalAttitudeDataServer
  ARCSEC_PER_S_TO_DEG_PER_DAY, FOUR_PI, nslSun, OBLIQUITY_DEG, OBLIQUITY_RAD, PI, PI_HALF, targetScanPeriod, TWO_PI, X_AXIS, Y_AXIS, Z_AXIS
- Fields inherited from class gaia.cu9.ari.gaiaorbit.util.gaia.BaseAttitudeDataServer
  initialized, initialRequestedTimeContext, nativeTimeContext, withUncertaintiesCorrelations

Constructor Summary

Constructors
Constructor Description

Epsl()
Default constructor (uses Mode = PRECEDING):

Epsl(Epsl.Mode mode)
Constructor that allows to initialize preceding or following EPSL:

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Attitude`	`getAttitudeNative(long t)`	Evaluate the attitude in the native time system of the server
`Epsl.Mode`	`getMode()`
`double`	`getOmegaFull()`
`double`	`getOmegaMod4Pi()`
`void`	`setDefault()`	Set all parameters to default values (from GaiaParam)

Methods inherited from class gaia.cu9.ari.gaiaorbit.util.gaia.AnalyticalAttitudeDataServer
getNominalSunVector, getNuRef, getOmegaRef, getRefTime, getTargetPrecessionRate, getTargetScanPeriod, getTargetScanRate, getXiRef, inGap, setNuRef, setOmegaRef, setRefTime, setTargetPrecessionRate, setTargetScanPeriod, setTargetScanRate, setXiRef

Methods inherited from class gaia.cu9.ari.gaiaorbit.util.gaia.BaseAttitudeDataServer
getAttitude, getAttitude, isInitialized, setInitialized

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Epsl
```
public Epsl()
```
    Default constructor (uses Mode = PRECEDING):
  - Epsl
```
public Epsl(Epsl.Mode mode)
```
    Constructor that allows to initialize preceding or following EPSL:
    
    Parameters:
    
    mode - PRECEDING or FOLLOWING
- Method Detail
  - getAttitudeNative
```
public Attitude getAttitudeNative(long t)
```
    Description copied from class: BaseAttitudeDataServer
    
    Evaluate the attitude in the native time system of the server
    
    Specified by:
    
    getAttitudeNative in class BaseAttitudeDataServer<Attitude>
    
    Parameters:
    
    t - - the time elapsed since the epoch of J2010 in ns (TCB)
    
    Returns:
    
    attitude for the given time
    
    See Also:
    
    BaseAttitudeDataServer.getAttitude(long)
  - getMode
```
public Epsl.Mode getMode()
```
    Returns:
    
    current EPSL mode
  - setDefault
```
public void setDefault()
```
    Description copied from class: AnalyticalAttitudeDataServer
    
    Set all parameters to default values (from GaiaParam)
    
    Overrides:
    
    setDefault in class AnalyticalAttitudeDataServer
    
    See Also:
    
    AnalyticalAttitudeDataServer.setDefault()
  - getOmegaFull
```
public double getOmegaFull()
```
    Returns:
    
    non-truncated spin phase
  - getOmegaMod4Pi
```
public double getOmegaMod4Pi()
```
    Returns:
    
    spin phase normalised to range [0, 4 Pi]