Package gaiasky.util.gaia

Class TransitionScanningLaw

java.lang.Object

gaiasky.util.gaia.BaseAttitudeDataServer<IAttitude>

gaiasky.util.gaia.AnalyticalAttitudeDataServer

gaiasky.util.gaia.TransitionScanningLaw

public class TransitionScanningLaw
extends AnalyticalAttitudeDataServer

Field Summary

Fields

Modifier and Type	Field	Description
protected double	acc
protected double	eps	Relative tolerance for exceeding the ramp
protected double	om0
protected double	om1
protected double	om2
protected double	om3
protected double	om4
protected Duration	ramp

Fields inherited from class gaiasky.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 gaiasky.util.gaia.BaseAttitudeDataServer

initialized, initialRequestedTimeContext, nativeTimeContext, withUncertaintiesCorrelations

Constructor Summary

Constructors

Constructor	Description
TransitionScanningLaw(Duration ramp)	The constructor is the only way to set the duration of the ramp

Method Summary

Modifier and Type	Method	Description
IAttitude	getAttitudeNative(long time)	Evaluate the attitude in the native time system of the server
Epsl.Mode	getMode()	Return the Epsl.Mode (preceding or following)
Duration	getRampDuration()	Return the duration of the ramp
void	initialize()	Initialization mainly calculates the acceleration required for the specified ramp
TransitionScanningLaw	setMode(Epsl.Mode mode)	Preferred method to set the Epsl.Mode (it can also be set using setNuRef)

Methods inherited from class gaiasky.util.gaia.AnalyticalAttitudeDataServer

getNominalSunVector, getNuRef, getOmegaRef, getRefTime, getTargetPrecessionRate, getTargetScanPeriod, getTargetScanRate, getXiRef, inGap, setDefault, setNuRef, setOmegaRef, setRefTime, setTargetPrecessionRate, setTargetScanPeriod, setTargetScanRate, setXiRef

Methods inherited from class gaiasky.util.gaia.BaseAttitudeDataServer

getAttitude, getAttitude, getAttitude, isInitialized, setInitialized

Methods inherited from class java.lang.Object

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

Field Details

ramp

protected Duration ramp

acc

protected double acc

om0

protected double om0

om1

protected double om1

om2

protected double om2

om3

protected double om3

om4

protected double om4

eps

protected double eps

Relative tolerance for exceeding the ramp

Constructor Details

TransitionScanningLaw

public TransitionScanningLaw(Duration ramp)

The constructor is the only way to set the duration of the ramp

Parameters:

ramp -

Method Details

getMode

public Epsl.Mode getMode()

Return the Epsl.Mode (preceding or following)

Returns:

The mode

setMode

public TransitionScanningLaw setMode(Epsl.Mode mode)

Preferred method to set the Epsl.Mode (it can also be set using setNuRef)

Parameters:

mode - EPSL preceding or following

Returns:

This object with the right mode set

getRampDuration

public Duration getRampDuration()

Return the duration of the ramp

initialize

public void initialize()

Initialization mainly calculates the acceleration required for the specified ramp

getAttitudeNative

public IAttitude getAttitudeNative(long time)

Description copied from class: BaseAttitudeDataServer

Evaluate the attitude in the native time system of the server

Specified by:

getAttitudeNative in class BaseAttitudeDataServer<IAttitude>

Parameters:

time - - the time elapsed since the epoch of J2010 in ns (TCB)

Returns:

attitude for the given time

See Also:

• BaseAttitudeDataServer.getAttitude(long)