Package org.orekit.utils

This package provides useful objects.

Author:

L. Maisonobe

Interface Summary

Interface	Description
Constants	Set of useful physical constants.
ExtendedPVCoordinatesProvider	Interface for PV coordinates providers that also support fields.
FieldPVCoordinatesProvider<T extends org.hipparchus.RealFieldElement<T>>	Interface for PV coordinates providers.
IERSConventions.NutationCorrectionConverter	Interface for functions converting nutation corrections between δΔψ/δΔε to δX/δY.
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
AngularCoordinates	Simple container for rotation/rotation rate/rotation acceleration triplets.
Differentiation	Utility class for differentiating various kinds of functions.
ElevationMask	Class for modeling the ground elevation values around a given point.
FieldAngularCoordinates<T extends org.hipparchus.RealFieldElement<T>>	Simple container for rotation / rotation rate pairs, using RealFieldElement.
FieldPVCoordinates<T extends org.hipparchus.RealFieldElement<T>>	Simple container for Position/Velocity pairs, using RealFieldElement.
FieldTimeSpanMap<T,D extends org.hipparchus.RealFieldElement<D>>	Container for objects that apply to spans of time.
FieldTimeSpanMap.Transition<S,D extends org.hipparchus.RealFieldElement<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.
LoveNumbers	Container for Love numbers.
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.
SphericalPolygonsSetTransferObject	Transfer object for serializing SphericalPolygonsSet instances.
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 org.hipparchus.RealFieldElement<T>>	time-stamped version of FieldAngularCoordinates.
TimeStampedFieldPVCoordinates<T extends org.hipparchus.RealFieldElement<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.