org.orekit.propagation.conversion

Class EphemerisPropagatorBuilder

java.lang.Object

org.orekit.propagation.conversion.AbstractPropagatorBuilder

org.orekit.propagation.conversion.EphemerisPropagatorBuilder

All Implemented Interfaces:

OrbitDeterminationPropagatorBuilder, PropagatorBuilder

public class EphemerisPropagatorBuilder
extends AbstractPropagatorBuilder
implements OrbitDeterminationPropagatorBuilder

Builder for Ephemeris propagator.

Since:

11.3

Author:

Bryan Cazabonne

Constructor Summary

Constructors

Constructor and Description
EphemerisPropagatorBuilder(List<SpacecraftState> states, int interpolationPoints, double extrapolationThreshold, AttitudeProvider attitudeProvider) Constructor.

Method Summary

Modifier and Type	Method and Description
AbstractKalmanModel	buildKalmanModel(List<OrbitDeterminationPropagatorBuilder> propagatorBuilders, List<CovarianceMatrixProvider> covarianceMatricesProviders, ParameterDriversList estimatedMeasurementsParameters, CovarianceMatrixProvider measurementProcessNoiseMatrix) Build a new Kalman model.
AbstractBatchLSModel	buildLSModel(OrbitDeterminationPropagatorBuilder[] builders, List<ObservedMeasurement<?>> measurements, ParameterDriversList estimatedMeasurementsParameters, ModelObserver observer) Build a new batch least squares model.
Propagator	buildPropagator(double[] normalizedParameters) Build a propagator.

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

addAdditionalDerivativesProvider, addAdditionalEquations, addSupportedParameter, createInitialOrbit, deselectDynamicParameters, getAdditionalDerivativesProviders, getAdditionalEquations, getAttitudeProvider, getFrame, getInitialOrbitDate, getMu, getOrbitalParametersDrivers, getOrbitType, getPositionAngle, getPositionScale, getPropagationParametersDrivers, getSelectedNormalizedParameters, resetOrbit, setAttitudeProvider, setParameters

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.orekit.propagation.conversion.OrbitDeterminationPropagatorBuilder

resetOrbit

Methods inherited from interface org.orekit.propagation.conversion.PropagatorBuilder

getFrame, getInitialOrbitDate, getOrbitalParametersDrivers, getOrbitType, getPositionAngle, getPropagationParametersDrivers, getSelectedNormalizedParameters

Constructor Detail

EphemerisPropagatorBuilder

public EphemerisPropagatorBuilder(List<SpacecraftState> states,
                                  int interpolationPoints,
                                  double extrapolationThreshold,
                                  AttitudeProvider attitudeProvider)

Constructor.

Parameters:

states - list of spacecraft states

interpolationPoints - number of points to use in interpolation

extrapolationThreshold - the extrapolation threshold beyond which the propagation will fail

attitudeProvider - attitude provider

Method Detail

buildPropagator

public Propagator buildPropagator(double[] normalizedParameters)

Build a propagator..

Specified by:

buildPropagator in interface PropagatorBuilder

Parameters:

normalizedParameters - normalized values for the selected parameters

Returns:

an initialized propagator

buildLSModel

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

Build a new batch least squares model.

Specified by:

buildLSModel in interface OrbitDeterminationPropagatorBuilder

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

buildKalmanModel

public AbstractKalmanModel buildKalmanModel(List<OrbitDeterminationPropagatorBuilder> propagatorBuilders,
                                            List<CovarianceMatrixProvider> covarianceMatricesProviders,
                                            ParameterDriversList estimatedMeasurementsParameters,
                                            CovarianceMatrixProvider measurementProcessNoiseMatrix)

Build a new Kalman model.

Specified by:

buildKalmanModel in interface OrbitDeterminationPropagatorBuilder

Parameters:

propagatorBuilders - propagators builders used to evaluate the orbits.

covarianceMatricesProviders - providers for covariance matrices

estimatedMeasurementsParameters - measurement parameters to estimate

measurementProcessNoiseMatrix - provider for measurement process noise matrix

Returns:

a new model for Kalman Filter orbit determination