org.orekit.files.sp3
Class SP3File

java.lang.Object
  org.orekit.files.sp3.SP3File

All Implemented Interfaces:

Serializable, OrbitFile

public class SP3File
extends Object
implements OrbitFile, Serializable

Represents a parsed SP3 orbit file.

Author:

Thomas Neidhart

See Also:

Serialized Form

Nested Class Summary

static class	SP3File.SP3FileType File type indicator.
static class	SP3File.SP3OrbitType Orbit type indicator.

Nested classes/interfaces inherited from interface org.orekit.files.general.OrbitFile

OrbitFile.TimeSystem

Constructor Summary

SP3File()
Create a new SP3 file object.

Method Summary

void	addSatellite(String satId) Add a new satellite with a given identifier to the list of stored satellites.
void	addSatelliteCoordinate(String satId, SatelliteTimeCoordinate coord) Adds a new P/V coordinate for a given satellite.
boolean	containsSatellite(String satId) Tests whether a satellite with the given id is contained in this orbit file.
String	getAgency() Returns the agency that prepared this SP3 file.
String	getCoordinateSystem() Returns the coordinate system of the entries in this orbit file.
String	getDataUsed() Returns the data used indicator from the SP3 file.
double	getDayFraction() Returns the day fraction for this SP3 file.
AbsoluteDate	getEpoch() Returns the start epoch of the orbit file.
double	getEpochInterval() Returns the time interval between epochs (in seconds).
int	getGpsWeek() Returns the GPS week as contained in the SP3 file.
int	getJulianDay() Returns the julian day for this SP3 file.
int	getNumberOfEpochs() Returns the number of epochs contained in this orbit file.
SP3File.SP3OrbitType	getOrbitType() Returns the SP3File.SP3OrbitType for this SP3 file.
SatelliteInformation	getSatellite(int n) Returns the nth satellite as contained in the SP3 file.
SatelliteInformation	getSatellite(String satId) Get additional information about a satellite.
List<SatelliteTimeCoordinate>	getSatelliteCoordinates(String satId) Get the time coordinates for the given satellite.
int	getSatelliteCount() Get the number of satellites contained in this orbit file.
Collection<SatelliteInformation>	getSatellites() Returns a Collection of SatelliteInformation objects for all satellites contained in this orbit file.
double	getSecondsOfWeek() Returns the seconds of the GPS week as contained in the SP3 file.
OrbitFile.TimeSystem	getTimeSystem() Returns the OrbitFile.TimeSystem used to time-stamp position entries.
SP3File.SP3FileType	getType() Returns the SP3File.SP3FileType associated with this SP3 file.
void	setAgency(String agencyStr) Set the agency string for this SP3 file.
void	setCoordinateSystem(String system) Set the coordinate system used for the orbit entries.
void	setDataUsed(String data) Set the data used indicator for this SP3 file.
void	setDayFraction(double fraction) Set the day fraction for this SP3 file.
void	setEpoch(AbsoluteDate time) Set the epoch of the SP3 file.
void	setEpochInterval(double interval) Set the epoch interval for this SP3 file.
void	setGpsWeek(int week) Set the GPS week of the SP3 file.
void	setJulianDay(int day) Set the julian day for this SP3 file.
void	setNumberOfEpochs(int epochCount) Set the number of epochs as contained in the SP3 file.
void	setOrbitType(SP3File.SP3OrbitType oType) Set the SP3File.SP3OrbitType for this SP3 file.
void	setSecondsOfWeek(double seconds) Set the seconds of the GPS week for this SP3 file.
void	setTimeSystem(OrbitFile.TimeSystem system) Set the time system used in this SP3 file.
void	setType(SP3File.SP3FileType fileType) Set the file type for this SP3 file.

Methods inherited from class java.lang.Object

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

Constructor Detail

SP3File

public SP3File()

Create a new SP3 file object.

Method Detail

getType

public SP3File.SP3FileType getType()

Returns the SP3File.SP3FileType associated with this SP3 file.

Returns:

the file type for this SP3 file

setType

public void setType(SP3File.SP3FileType fileType)

Set the file type for this SP3 file.

Parameters:

fileType - the file type to be set

getTimeSystem

public OrbitFile.TimeSystem getTimeSystem()

Returns the OrbitFile.TimeSystem used to time-stamp position entries.

Specified by:

getTimeSystem in interface OrbitFile

Returns:

the OrbitFile.TimeSystem of the orbit file

setTimeSystem

public void setTimeSystem(OrbitFile.TimeSystem system)

Set the time system used in this SP3 file.

Parameters:

system - the time system to be set

getDataUsed

public String getDataUsed()

Returns the data used indicator from the SP3 file.

Returns:

the data used indicator (unparsed)

setDataUsed

public void setDataUsed(String data)

Set the data used indicator for this SP3 file.

Parameters:

data - the data used indicator to be set

getEpoch

public AbsoluteDate getEpoch()

Returns the start epoch of the orbit file.

Specified by:

getEpoch in interface OrbitFile

Returns:

the start epoch

setEpoch

public void setEpoch(AbsoluteDate time)

Set the epoch of the SP3 file.

Parameters:

time - the epoch to be set

getGpsWeek

public int getGpsWeek()

Returns the GPS week as contained in the SP3 file.

Returns:

the GPS week of the SP3 file

setGpsWeek

public void setGpsWeek(int week)

Set the GPS week of the SP3 file.

Parameters:

week - the GPS week to be set

getSecondsOfWeek

public double getSecondsOfWeek()

Returns the seconds of the GPS week as contained in the SP3 file.

Returns:

the seconds of the GPS week

setSecondsOfWeek

public void setSecondsOfWeek(double seconds)

Set the seconds of the GPS week for this SP3 file.

Parameters:

seconds - the seconds to be set

getJulianDay

public int getJulianDay()

Returns the julian day for this SP3 file.

Returns:

the julian day

setJulianDay

public void setJulianDay(int day)

Set the julian day for this SP3 file.

Parameters:

day - the julian day to be set

getDayFraction

public double getDayFraction()

Returns the day fraction for this SP3 file.

Returns:

the day fraction

setDayFraction

public void setDayFraction(double fraction)

Set the day fraction for this SP3 file.

Parameters:

fraction - the day fraction to be set

getEpochInterval

public double getEpochInterval()

Returns the time interval between epochs (in seconds).

Specified by:

getEpochInterval in interface OrbitFile

Returns:

the time interval between epochs

setEpochInterval

public void setEpochInterval(double interval)

Set the epoch interval for this SP3 file.

Parameters:

interval - the interval between orbit entries

getNumberOfEpochs

public int getNumberOfEpochs()

Returns the number of epochs contained in this orbit file.

Specified by:

getNumberOfEpochs in interface OrbitFile

Returns:

the number of epochs

setNumberOfEpochs

public void setNumberOfEpochs(int epochCount)

Set the number of epochs as contained in the SP3 file.

Parameters:

epochCount - the number of epochs to be set

getCoordinateSystem

public String getCoordinateSystem()

Returns the coordinate system of the entries in this orbit file.

Specified by:

getCoordinateSystem in interface OrbitFile

Returns:

the coordinate system

setCoordinateSystem

public void setCoordinateSystem(String system)

Set the coordinate system used for the orbit entries.

Parameters:

system - the coordinate system to be set

getOrbitType

public SP3File.SP3OrbitType getOrbitType()

Returns the SP3File.SP3OrbitType for this SP3 file.

Returns:

the orbit type

setOrbitType

public void setOrbitType(SP3File.SP3OrbitType oType)

Set the SP3File.SP3OrbitType for this SP3 file.

Parameters:

oType - the orbit type to be set

getAgency

public String getAgency()

Returns the agency that prepared this SP3 file.

Returns:

the agency

setAgency

public void setAgency(String agencyStr)

Set the agency string for this SP3 file.

Parameters:

agencyStr - the agency string to be set

addSatellite

public void addSatellite(String satId)

Add a new satellite with a given identifier to the list of stored satellites.

Parameters:

satId - the satellite identifier

getSatellites

public Collection<SatelliteInformation> getSatellites()

Returns a Collection of SatelliteInformation objects for all satellites contained in this orbit file.

Specified by:

getSatellites in interface OrbitFile

Returns:

a Collection of SatelliteInformation objects

getSatelliteCount

public int getSatelliteCount()

Get the number of satellites contained in this orbit file.

Specified by:

getSatelliteCount in interface OrbitFile

Returns:

the number of satellites

getSatellite

public SatelliteInformation getSatellite(String satId)

Get additional information about a satellite.

Specified by:

getSatellite in interface OrbitFile

Parameters:

satId - the satellite id

Returns:

a SatelliteInformation object describing the satellite if present, null otherwise

getSatellite

public SatelliteInformation getSatellite(int n)

Returns the nth satellite as contained in the SP3 file.

Parameters:

n - the index of the satellite

Returns:

a SatelliteInformation object for the nth satellite

containsSatellite

public boolean containsSatellite(String satId)

Tests whether a satellite with the given id is contained in this orbit file.

Specified by:

containsSatellite in interface OrbitFile

Parameters:

satId - the satellite id

Returns:

true if the satellite is contained in the file, false otherwise

getSatelliteCoordinates

public List<SatelliteTimeCoordinate> getSatelliteCoordinates(String satId)

Get the time coordinates for the given satellite.

Specified by:

getSatelliteCoordinates in interface OrbitFile

Parameters:

satId - the satellite id

Returns:

a List of SatelliteTimeCoordinate entries for this satellite

addSatelliteCoordinate

public void addSatelliteCoordinate(String satId,
                                   SatelliteTimeCoordinate coord)

Adds a new P/V coordinate for a given satellite.

Parameters:

satId - the satellite identifier

coord - the P/V coordinate of the satellite