org.orekit.models.earth
Class GeoMagneticFieldFactory

java.lang.Object
  org.orekit.models.earth.GeoMagneticFieldFactory

public class GeoMagneticFieldFactory
extends Object

Factory for different GeoMagneticField models.

This is a utility class, so its constructor is private.

Author:

Thomas Neidhart

Nested Class Summary

static class

GeoMagneticFieldFactory.FieldModel The currently supported geomagnetic field models.

Method Summary

static void	addDefaultGeoMagneticModelReader(GeoMagneticFieldFactory.FieldModel type) Add a default reader for geomagnetic models.
static void	addGeoMagneticModelReader(GeoMagneticFieldFactory.FieldModel type, GeoMagneticModelReader reader) Add a reader for geomagnetic models.
static void	clearGeoMagneticModelReaders() Clear geomagnetic models readers.
static void	clearModels() Method to reset igrf and wmm models to null.
static GeoMagneticField	getField(GeoMagneticFieldFactory.FieldModel type, AbsoluteDate year) Get the GeoMagneticField for the given model type and year.
static GeoMagneticField	getField(GeoMagneticFieldFactory.FieldModel type, double year) Get the GeoMagneticField for the given model type and year.
static GeoMagneticField	getIGRF(AbsoluteDate year) Get the IGRF model for the given year.
static GeoMagneticField	getIGRF(double year) Get the IGRF model for the given year.
static GeoMagneticField	getWMM(AbsoluteDate year) Get the WMM model for the given year.
static GeoMagneticField	getWMM(double year) Get the WMM model for the given year.

Methods inherited from class java.lang.Object

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

Method Detail

addGeoMagneticModelReader

public static void addGeoMagneticModelReader(GeoMagneticFieldFactory.FieldModel type,
                                             GeoMagneticModelReader reader)
                                      throws OrekitException

Add a reader for geomagnetic models.

Parameters:

type - the field model type

reader - custom reader to add for the geomagnetic models

Throws:

OrekitException - when the input field model type does not exist

addDefaultGeoMagneticModelReader

public static void addDefaultGeoMagneticModelReader(GeoMagneticFieldFactory.FieldModel type)
                                             throws OrekitException

Add a default reader for geomagnetic models.

Parameters:

type - the field model type

Throws:

OrekitException - when the input field model type does not exist

clearGeoMagneticModelReaders

public static void clearGeoMagneticModelReaders()

Clear geomagnetic models readers.

See Also:

addGeoMagneticModelReader(FieldModel, GeoMagneticModelReader), addDefaultGeoMagneticModelReader(FieldModel)

clearModels

public static void clearModels()

Method to reset igrf and wmm models to null.

getField

public static GeoMagneticField getField(GeoMagneticFieldFactory.FieldModel type,
                                        AbsoluteDate year)
                                 throws OrekitException

Get the GeoMagneticField for the given model type and year.

Parameters:

type - the field model type

year - the year in AbsoluteDate format

Returns:

a GeoMagneticField for the given year and model

Throws:

OrekitException - if the models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(AbsoluteDate)

getField

public static GeoMagneticField getField(GeoMagneticFieldFactory.FieldModel type,
                                        double year)
                                 throws OrekitException

Get the GeoMagneticField for the given model type and year.

Parameters:

type - the field model type

year - the decimal year

Returns:

a GeoMagneticField for the given year and model

Throws:

OrekitException - if the models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(int, int, int)

getIGRF

public static GeoMagneticField getIGRF(AbsoluteDate year)
                                throws OrekitException

Get the IGRF model for the given year.

Parameters:

year - the year in AbsoluteDate format

Returns:

a GeoMagneticField for the given year

Throws:

OrekitException - if the IGRF models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(AbsoluteDate)

getIGRF

public static GeoMagneticField getIGRF(double year)
                                throws OrekitException

Get the IGRF model for the given year.

Parameters:

year - the decimal year

Returns:

a GeoMagneticField for the given year

Throws:

OrekitException - if the IGRF models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(int, int, int)

getWMM

public static GeoMagneticField getWMM(AbsoluteDate year)
                               throws OrekitException

Get the WMM model for the given year.

Parameters:

year - the year in AbsoluteDate format

Returns:

a GeoMagneticField for the given year

Throws:

OrekitException - if the WMM models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(AbsoluteDate)

getWMM

public static GeoMagneticField getWMM(double year)
                               throws OrekitException

Get the WMM model for the given year.

Parameters:

year - the decimal year

Returns:

a GeoMagneticField for the given year

Throws:

OrekitException - if the WMM models could not be loaded

See Also:

GeoMagneticField.getDecimalYear(int, int, int)