org.orekit.attitudes
Class AeroAttitudeLaw

java.lang.Object
  org.orekit.attitudes.AbstractAttitudeLaw
      org.orekit.attitudes.AeroAttitudeLaw

All Implemented Interfaces:

Serializable, AttitudeLaw, AttitudeProvider

public class AeroAttitudeLaw
extends AbstractAttitudeLaw

Class defining an aerodynamic attitude law by angle of attack, sideslip and velocity roll.

Since:

3.4

Version:

$Id: AeroAttitudeLaw.java 17582 2017-05-10 12:58:16Z bignon $

Author:

Emmanuel Bignon

See Also:

Serialized Form

Constructor Summary

AeroAttitudeLaw(double angleofattack, double sideslip, double rollVel, ExtendedOneAxisEllipsoid earthShape)
Constructor.

AeroAttitudeLaw(double angleofattack, double sideslip, double rollVel, ExtendedOneAxisEllipsoid earthShape, double dtSpin, double dtAcc)
Constructor with parameterizable delta-time for spin and acceleration computation.

AeroAttitudeLaw(IParameterizableFunction angleofattack, IParameterizableFunction sideslip, IParameterizableFunction rollVel, ExtendedOneAxisEllipsoid earthShape)
Constructor.

AeroAttitudeLaw(IParameterizableFunction angleofattack, IParameterizableFunction sideslip, IParameterizableFunction rollVel, ExtendedOneAxisEllipsoid earthShape, double dtSpin, double dtAcc)
Constructor with parameterizable delta-time for spin and acceleration computation.

Method Summary

Attitude

getAttitude(PVCoordinatesProvider pvProv, AbsoluteDate date, Frame frame) Compute the attitude corresponding to an orbital state.

Methods inherited from class org.orekit.attitudes.AbstractAttitudeLaw

getAttitude, getSpinDerivativesComputation, setSpinDerivativesComputation

Methods inherited from class java.lang.Object

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

Constructor Detail

AeroAttitudeLaw

public AeroAttitudeLaw(double angleofattack,
                       double sideslip,
                       double rollVel,
                       ExtendedOneAxisEllipsoid earthShape)
                throws OrekitException

Constructor.

Parameters:

angleofattack - angle of attack in [-Pi;Pi]

sideslip - sideslip angle in ]-Pi/2; Pi/2[

rollVel - roll velocity in [-Pi;Pi]

earthShape - Earth shape

Throws:

OrekitException - if some specific error occurs

AeroAttitudeLaw

public AeroAttitudeLaw(IParameterizableFunction angleofattack,
                       IParameterizableFunction sideslip,
                       IParameterizableFunction rollVel,
                       ExtendedOneAxisEllipsoid earthShape)
                throws OrekitException

Constructor.

Parameters:

angleofattack - angle of attack

sideslip - sideslip angle

rollVel - roll velocity

earthShape - Earth shape

Throws:

OrekitException - if some specific error occurs

AeroAttitudeLaw

public AeroAttitudeLaw(double angleofattack,
                       double sideslip,
                       double rollVel,
                       ExtendedOneAxisEllipsoid earthShape,
                       double dtSpin,
                       double dtAcc)
                throws OrekitException

Constructor with parameterizable delta-time for spin and acceleration computation.

Parameters:

angleofattack - angle of attack

sideslip - sideslip angle

rollVel - roll velocity

earthShape - Earth shape

dtSpin - step for finite differences spin computation

dtAcc - step for finite differences spin derivative computation

Throws:

OrekitException - if some specific error occurs

AeroAttitudeLaw

public AeroAttitudeLaw(IParameterizableFunction angleofattack,
                       IParameterizableFunction sideslip,
                       IParameterizableFunction rollVel,
                       ExtendedOneAxisEllipsoid earthShape,
                       double dtSpin,
                       double dtAcc)
                throws OrekitException

Constructor with parameterizable delta-time for spin and acceleration computation.

Parameters:

angleofattack - angle of attack

sideslip - sideslip angle

rollVel - roll velocity

earthShape - Earth shape

dtSpin - step for finite differences spin computation

dtAcc - step for finite differences spin derivative computation

Throws:

OrekitException - if some specific error occurs

Method Detail

getAttitude

public Attitude getAttitude(PVCoordinatesProvider pvProv,
                            AbsoluteDate date,
                            Frame frame)
                     throws OrekitException

Compute the attitude corresponding to an orbital state.

Parameters:

pvProv - local position-velocity provider around current date

date - current date

frame - reference frame from which attitude is computed

Returns:

attitude attitude on the specified date and position-velocity state

Throws:

OrekitException - if attitude cannot be computed