Package org.orekit.models.earth

Interface MappingFunction

All Superinterfaces:

Serializable

All Known Subinterfaces:

DiscreteTroposphericModel, TroposphericModel

All Known Implementing Classes:

EstimatedTroposphericModel, FixedTroposphericDelay, GlobalMappingFunctionModel, MariniMurrayModel, MendesPavlisModel, NiellMappingFunctionModel, SaastamoinenModel, ViennaOneModel, ViennaThreeModel

public interface MappingFunction
extends Serializable

Interface for mapping functions used in the tropospheric delay computation.

Author:

Bryan Cazabonne

Method Summary

Modifier and Type	Method	Description
default double[]	getParameters()	Get tropospheric model parameters.
default <T extends org.hipparchus.RealFieldElement<T>> T[]	getParameters(org.hipparchus.Field<T> field)	Get tropospheric model parameters.
List<ParameterDriver>	getParametersDrivers()	Get the drivers for tropospheric model parameters.
double[]	mappingFactors(double elevation, double height, double[] parameters, AbsoluteDate date)	This method allows the computation of the hydrostatic and wet mapping functions.
<T extends org.hipparchus.RealFieldElement<T>> T[]	mappingFactors(T elevation, T height, T[] parameters, FieldAbsoluteDate<T> date)	This method allows the computation of the hydrostatic and wet mapping functions.

Method Detail

mappingFactors

double[] mappingFactors(double elevation,
                        double height,
                        double[] parameters,
                        AbsoluteDate date)

This method allows the computation of the hydrostatic and wet mapping functions. The resulting element is an array having the following form:

• double[0] = m_h(e) → hydrostatic mapping function
• double[1] = m_w(e) → wet mapping function

Parameters:

elevation - the elevation of the satellite, in radians.

height - the height of the station in m above sea level.

parameters - tropospheric model parameters.

date - current date

Returns:

a two components array containing the hydrostatic and wet mapping functions.

mappingFactors

<T extends org.hipparchus.RealFieldElement<T>> T[] mappingFactors(T elevation,
                                                                  T height,
                                                                  T[] parameters,
                                                                  FieldAbsoluteDate<T> date)

This method allows the computation of the hydrostatic and wet mapping functions. The resulting element is an array having the following form:

• T[0] = m_h(e) → hydrostatic mapping function
• T[1] = m_w(e) → wet mapping function

Type Parameters:

T - type of the elements

Parameters:

elevation - the elevation of the satellite, in radians.

height - the height of the station in m above sea level.

parameters - tropospheric model parameters.

date - current date

Returns:

a two components array containing the hydrostatic and wet mapping functions.

getParametersDrivers

List<ParameterDriver> getParametersDrivers()

Get the drivers for tropospheric model parameters.

Returns:

drivers for tropospheric model parameters

getParameters

default double[] getParameters()

Get tropospheric model parameters.

Returns:

tropospheric model parameters

getParameters

default <T extends org.hipparchus.RealFieldElement<T>> T[] getParameters(org.hipparchus.Field<T> field)

Get tropospheric model parameters.

Type Parameters:

T - type of the elements

Parameters:

field - field to which the elements belong

Returns:

tropospheric model parameters