Package org.orekit.utils

This package provides useful objects.

See: Description

Interface Summary

Interface	Description
Constants	Set of useful physical constants.
ExtendedPVCoordinatesProvider	Interface for PV coordinates providers that also support fields.
FieldPVCoordinatesProvider<T extends CalculusFieldElement<T>>	Interface for PV coordinates providers.
IERSConventions.NutationCorrectionConverter	Interface for functions converting nutation corrections between δΔψ/δΔε to δX/δY.
MultipleShooting	Interface for Multiple shooting methods.
ParameterFunction	Interface representing a scalar function depending on a ParameterDriver.
ParameterObserver	Interface for observing parameters changes.
PVCoordinatesProvider	Interface for PV coordinates providers.
StateFunction	Interface representing a vector function depending on SpacecraftState.
StateJacobian	Interface representing the Jacobian of a vector function depending on SpacecraftState.
TimeStampedCache<T extends TimeStamped>	Interface for a data structure that can provide concurrent access to TimeStamped data surrounding a given date.
TimeStampedGenerator<T extends TimeStamped>	Generator to use for creating entries in time stamped caches.

Class Summary

Class	Description
AbsolutePVCoordinates	Position - Velocity - Acceleration linked to a date and a frame.
AbstractMultipleShooting	Multiple shooting method using only constraints on state vectors of patch points (and possibly on epoch and integration time).
AccurateFormatter	Formatter used to produce strings from data with high accuracy.
AngularCoordinates	Simple container for rotation/rotation rate/rotation acceleration triplets.
DateDriver	Parameter driver allowing to drive a date.
Differentiation	Utility class for differentiating various kinds of functions.
DoubleArrayDictionary	String → double[] mapping, for small number of keys.
DoubleArrayDictionary.Entry	Entry in a dictionary.
ElevationMask	Class for modeling the ground elevation values around a given point.
FieldAbsolutePVCoordinates<T extends CalculusFieldElement<T>>	Field implementation of AbsolutePVCoordinates.
FieldAngularCoordinates<T extends CalculusFieldElement<T>>	Simple container for rotation / rotation rate pairs, using CalculusFieldElement.
FieldArrayDictionary<T extends CalculusFieldElement<T>>	String → CalculusFieldElement[] mapping, for small number of keys.
FieldLegendrePolynomials<T extends CalculusFieldElement<T>>	Computes the Pnm(t) coefficients.
FieldPVCoordinates<T extends CalculusFieldElement<T>>	Simple container for Position/Velocity pairs, using CalculusFieldElement.
FieldTimeSpanMap<T,D extends CalculusFieldElement<D>>	Container for objects that apply to spans of time.
FieldTimeSpanMap.Transition<S,D extends CalculusFieldElement<D>>	Local class holding transition times.
GenericTimeStampedCache<T extends TimeStamped>	Generic thread-safe cache for time-stamped data.
ImmutableTimeStampedCache<T extends TimeStamped>	A cache of TimeStamped data that provides concurrency through immutability.
InterpolationTableLoader	Used to read an interpolation table from a data file.
LegendrePolynomials	Computes the Pnm(t) coefficients.
LoveNumbers	Container for Love numbers.
MultipleShooter	Multiple shooting method applicable for trajectories, in an ephemeris model.
OrekitConfiguration	Utility class for setting global configuration parameters.
ParameterDriver	Class allowing to drive the value of a parameter.
ParameterDriversList	Class managing several parameter drivers, taking care of duplicated names.
ParameterDriversList.DelegatingDriver	Specialized driver delegating to several other managing the same parameter name.
PVCoordinates	Simple container for Position/Velocity/Acceleration triplets.
SecularAndHarmonic	Class for fitting evolution of osculating orbital parameters.
TimeSpanMap<T>	Container for objects that apply to spans of time.
TimeSpanMap.Span<S>	Holder for one time span.
TimeSpanMap.Transition<S>	Class holding transition times.
TimeStampedAngularCoordinates	time-stamped version of AngularCoordinates.
TimeStampedFieldAngularCoordinates<T extends CalculusFieldElement<T>>	time-stamped version of FieldAngularCoordinates.
TimeStampedFieldPVCoordinates<T extends CalculusFieldElement<T>>	time-stamped version of FieldPVCoordinates.
TimeStampedPVCoordinates	time-stamped version of PVCoordinates.

Enum Summary

Enum	Description
AngularDerivativesFilter	Enumerate for selecting which derivatives to use in TimeStampedAngularCoordinates and TimeStampedFieldAngularCoordinates interpolation.
CartesianDerivativesFilter	Enumerate for selecting which derivatives to use in TimeStampedPVCoordinates and TimeStampedFieldPVCoordinates interpolation.
IERSConventions	Supported IERS conventions.
LagrangianPoints	Enumerate for selecting which Lagrangian Point to consider in different classes.

Package org.orekit.utils Description

This package provides useful objects.

Author:

L. Maisonobe