com.mhuss.AstroLib
Class PlanetData

java.lang.Object
  |
  +--com.mhuss.AstroLib.PlanetData

public class PlanetData

extends java.lang.Object

This class handles planetary motion calculations and conversions.

Constructor Summary

PlanetData()
Default constructor.

PlanetData(int planet, double jd, ObsInfo oi)
Explicit (all parameters) constructor.

Method Summary

void	calc(int planet, double jd, ObsInfo oi) Calculate the data for a given planet, julian day, and location.
double	calcLon(int planet, double jd, ObsInfo oi) This calculates all LocationElements, then returns the longitude.
double	getAltAzLat() Get the Alt-Az latitude.
double	getAltAzLon() Get the Alt-Az longitude.
double	getAltAzRadius() Get the Alt-Az radius.
double	getDeclination() Get the declination.
double	getEclipticLat() Get the ecliptic latitude.
double	getEclipticLon() Get the ecliptic longitude.
double	getEclipticRadius() Get the ecliptic radius.
double	getEquatorialLat() Get the equatorial latitude.
double	getEquatorialLon() Get the equatorial longitude.
double	getEquatorialRadius() Get the equatorial radius.
double	getHeliocentricLat() Get the heliocentric latitude.
double	getHeliocentricLon() Get the heliocentric longitude.
double	getHeliocentricRadius() Get the heliocentric radius.
double	getRightAscension() Get the right ascension.
double	hourAngle() Get the hour angle.
double	jd() Get the Julian day number.
int	planet() Get the Planets number.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlanetData

public PlanetData()

Default constructor.

PlanetData

public PlanetData(int planet,
                  double jd,
                  ObsInfo oi)

Explicit (all parameters) constructor.

Parameters:

planet - Planet number (from Planets class)

jd - Julian day number

oi - Observer location

Method Detail

calcLon

public double calcLon(int planet,
                      double jd,
                      ObsInfo oi)

This calculates all LocationElements, then returns the longitude.
Longitude is split out because it gets used most often.

Parameters:

planet - Planet number (from Planets class)

jd - Julian day number

oi - Observer location

calc

public void calc(int planet,
                 double jd,
                 ObsInfo oi)

Calculate the data for a given planet, julian day, and location.
This function must be called (directly or via constructor) before calling any of the other functions in this class.

Parameters:

planet - Planet number (from Planets class)

jd - Julian day number

oi - Observer location

planet

public int planet()

Get the Planets number. Example: Planets.MERCURY

jd

public double jd()
          throws NoInitException

Get the Julian day number.

NoInitException

hourAngle

public double hourAngle()
                 throws NoInitException

Get the hour angle.

NoInitException

getHeliocentricLat

public double getHeliocentricLat()
                          throws NoInitException

Get the heliocentric latitude.

NoInitException

getHeliocentricLon

public double getHeliocentricLon()
                          throws NoInitException

Get the heliocentric longitude.

NoInitException

getHeliocentricRadius

public double getHeliocentricRadius()
                             throws NoInitException

Get the heliocentric radius.

NoInitException

getEclipticLat

public double getEclipticLat()
                      throws NoInitException

Get the ecliptic latitude.

NoInitException

getEclipticLon

public double getEclipticLon()
                      throws NoInitException

Get the ecliptic longitude.

NoInitException

getEclipticRadius

public double getEclipticRadius()
                         throws NoInitException

Get the ecliptic radius.

NoInitException

getEquatorialLat

public double getEquatorialLat()
                        throws NoInitException

Get the equatorial latitude.

NoInitException

getEquatorialLon

public double getEquatorialLon()
                        throws NoInitException

Get the equatorial longitude.

NoInitException

getEquatorialRadius

public double getEquatorialRadius()
                           throws NoInitException

Get the equatorial radius.

NoInitException

getAltAzLat

public double getAltAzLat()
                   throws NoInitException

Get the Alt-Az latitude.

NoInitException

getAltAzLon

public double getAltAzLon()
                   throws NoInitException

Get the Alt-Az longitude.

NoInitException

getAltAzRadius

public double getAltAzRadius()
                      throws NoInitException

Get the Alt-Az radius.

NoInitException

getRightAscension

public double getRightAscension()
                         throws NoInitException

Get the right ascension.

NoInitException

getDeclination

public double getDeclination()
                      throws NoInitException

Get the declination.

NoInitException