Package org.orekit.rugged.los

Interface TimeIndependentLOSTransform

All Known Implementing Classes:

FixedRotation, FixedZHomothety

public interface TimeIndependentLOSTransform

Interface for lines-of-sight tranforms that do not depend on time.

Author:

Luc Maisonobe

See Also:

LOSBuilder

Method Summary

Modifier and Type	Method	Description
Stream<ParameterDriver>	getParametersDrivers()	Get the drivers for LOS parameters.
<T extends Derivative<T>> FieldVector3D<T>	transformLOS(int index, FieldVector3D<T> los, DerivativeGenerator<T> generator)	Transform a line-of-sight and its partial derivatives.
Vector3D	transformLOS(int i, Vector3D los)	Transform a line-of-sight.

Method Detail

transformLOS

Vector3D transformLOS(int i,
                      Vector3D los)

Transform a line-of-sight.

Parameters:

i - los pixel index

los - line-of-sight to transform

Returns:

transformed line-of-sight

transformLOS

<T extends Derivative<T>> FieldVector3D<T> transformLOS(int index,
                                                        FieldVector3D<T> los,
                                                        DerivativeGenerator<T> generator)

Transform a line-of-sight and its partial derivatives.

This method is used for LOS calibration purposes. It allows to compute the Jacobian matrix of the LOS with respect to the parameters, which are typically polynomials coefficients representing rotation angles. These polynomials can be used for example to model thermo-elastic effects.

Note that in order for the partial derivatives to be properly set up, the setSelected method must have been set to true for the various parameters returned by getParametersDrivers() that should be estimated.

Type Parameters:

T - derivative type

Parameters:

index - los pixel index

los - line-of-sight to transform

generator - generator to use for building Derivative instances

Returns:

line of sight, and its first partial derivatives with respect to the parameters

getParametersDrivers

Stream<ParameterDriver> getParametersDrivers()

Get the drivers for LOS parameters.

Returns:

drivers for LOS parameters

Since:

2.0