org.orekit.propagation.conversion

Class EphemerisPropagatorBuilder

java.lang.Object

org.orekit.propagation.conversion.AbstractPropagatorBuilder

org.orekit.propagation.conversion.EphemerisPropagatorBuilder

All Implemented Interfaces:

PropagatorBuilder

public class EphemerisPropagatorBuilder
extends AbstractPropagatorBuilder

Builder for Ephemeris propagator.

Since:

11.3

Author:

Bryan Cazabonne, Vincent Cucchietti

Constructor Summary

Constructors

Constructor and Description
EphemerisPropagatorBuilder(List<SpacecraftState> states, TimeInterpolator<SpacecraftState> stateInterpolator) Constructor using the default attitude provider.
EphemerisPropagatorBuilder(List<SpacecraftState> states, TimeInterpolator<SpacecraftState> stateInterpolator, AttitudeProvider attitudeProvider) Constructor.
EphemerisPropagatorBuilder(List<SpacecraftState> states, TimeInterpolator<SpacecraftState> stateInterpolator, List<StateCovariance> covariances, TimeInterpolator<TimeStampedPair<Orbit,StateCovariance>> covarianceInterpolator) Constructor with covariances and default attitude provider.
EphemerisPropagatorBuilder(List<SpacecraftState> states, TimeInterpolator<SpacecraftState> stateInterpolator, List<StateCovariance> covariances, TimeInterpolator<TimeStampedPair<Orbit,StateCovariance>> covarianceInterpolator, AttitudeProvider attitudeProvider) Constructor.

Method Summary

Modifier and Type	Method and Description
AbstractBatchLSModel	buildLeastSquaresModel(PropagatorBuilder[] builders, List<ObservedMeasurement<?>> measurements, ParameterDriversList estimatedMeasurementsParameters, ModelObserver observer) Build a new batch least squares model.
Propagator	buildPropagator(double[] normalizedParameters) Build a propagator.
EphemerisPropagatorBuilder	copy() Create a new instance identical to this one.

Methods inherited from class org.orekit.propagation.conversion.AbstractPropagatorBuilder

addAdditionalDerivativesProvider, addSupportedParameters, createInitialOrbit, deselectDynamicParameters, getAdditionalDerivativesProviders, getAttitudeProvider, getFrame, getInitialOrbitDate, getMu, getOrbitalParametersDrivers, getOrbitType, getPositionAngleType, getPositionScale, getPropagationParametersDrivers, getSelectedNormalizedParameters, resetOrbit, setAttitudeProvider, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

EphemerisPropagatorBuilder

public EphemerisPropagatorBuilder(List<SpacecraftState> states,
                                  TimeInterpolator<SpacecraftState> stateInterpolator)

Constructor using the default attitude provider.

The default attitude provider is an inertial provider built from the frame of the first spacecraft state instance in given list

Parameters:

states - list of spacecraft states

stateInterpolator - spacecraft state interpolator

EphemerisPropagatorBuilder

public EphemerisPropagatorBuilder(List<SpacecraftState> states,
                                  TimeInterpolator<SpacecraftState> stateInterpolator,
                                  AttitudeProvider attitudeProvider)

Constructor.

Parameters:

states - list of spacecraft states

stateInterpolator - spacecraft state interpolator

attitudeProvider - attitude law to use

EphemerisPropagatorBuilder

public EphemerisPropagatorBuilder(List<SpacecraftState> states,
                                  TimeInterpolator<SpacecraftState> stateInterpolator,
                                  List<StateCovariance> covariances,
                                  TimeInterpolator<TimeStampedPair<Orbit,StateCovariance>> covarianceInterpolator)

Constructor with covariances and default attitude provider.

The default attitude provider is an inertial provider built from the frame of the first spacecraft state instance in given list

Parameters:

states - list of spacecraft states

stateInterpolator - spacecraft state interpolator

covariances - tabulated covariances associated to tabulated states

covarianceInterpolator - covariance interpolator

See Also:

StateCovariance, FrameAlignedProvider

EphemerisPropagatorBuilder

public EphemerisPropagatorBuilder(List<SpacecraftState> states,
                                  TimeInterpolator<SpacecraftState> stateInterpolator,
                                  List<StateCovariance> covariances,
                                  TimeInterpolator<TimeStampedPair<Orbit,StateCovariance>> covarianceInterpolator,
                                  AttitudeProvider attitudeProvider)

Constructor.

Parameters:

states - list of spacecraft states

stateInterpolator - spacecraft state interpolator

covariances - tabulated covariances associated to tabulated states

covarianceInterpolator - covariance interpolator

attitudeProvider - attitude law to use

Method Detail

copy

public EphemerisPropagatorBuilder copy()

Create a new instance identical to this one.

Returns:

new instance identical to this one

buildPropagator

public Propagator buildPropagator(double[] normalizedParameters)

Build a propagator..

Parameters:

normalizedParameters - normalized values for the selected parameters

Returns:

an initialized propagator

buildLeastSquaresModel

public AbstractBatchLSModel buildLeastSquaresModel(PropagatorBuilder[] builders,
                                                   List<ObservedMeasurement<?>> measurements,
                                                   ParameterDriversList estimatedMeasurementsParameters,
                                                   ModelObserver observer)

Build a new batch least squares model.

Parameters:

builders - builders to use for propagation

measurements - measurements

estimatedMeasurementsParameters - estimated measurements parameters

observer - observer to be notified at model calls

Returns:

a new model for the Batch Least Squares orbit determination