edu.pdx.starview.planets
Class PlanetVSOP

java.lang.Object
  edu.pdx.starview.planets.PlanetVSOP

public class PlanetVSOP

extends java.lang.Object

The Vsop class wraps the VSOP87 data and provides VSOP support fns Source from http://www.projectpluto.com/source.htm#cpp_version http://mhuss.com/AstroLib/AstroCpp.zip Based on Bill Gray's open-source code at projectpluto.com

Author:

Dave Camarillo, Mark Huss

Nested Class Summary

class

PlanetVSOP.PlanetLoc Contains helocentric lon,lat and radius of a planet.

Field Summary

static edu.pdx.starview.planets.PlanetVSOPTerms[]	AstroTerms A complete collection of VSOP terms (6 Lat, 6 Lon, 6 Rad )
static int	ECLIPTIC_LAT
static int	ECLIPTIC_LON location elements (longitude, latitide, distance)
static int	RADIUS

Constructor Summary

PlanetVSOP()

Method Summary

PlanetVSOP.PlanetLoc

calcAllLocs(double cen, int planet) Calculate all three location elements of the spec'd body at the given time

Methods inherited from class java.lang.Object

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

Field Detail

AstroTerms

public static final edu.pdx.starview.planets.PlanetVSOPTerms[] AstroTerms

A complete collection of VSOP terms (6 Lat, 6 Lon, 6 Rad )

ECLIPTIC_LON

public static final int ECLIPTIC_LON

location elements (longitude, latitide, distance)

See Also:

Constant Field Values

ECLIPTIC_LAT

public static final int ECLIPTIC_LAT

See Also:

Constant Field Values

RADIUS

public static final int RADIUS

See Also:

Constant Field Values

Constructor Detail

PlanetVSOP

public PlanetVSOP()

Method Detail

calcAllLocs

public PlanetVSOP.PlanetLoc calcAllLocs(double cen,
                                        int planet)
                                 throws java.lang.Exception

Calculate all three location elements of the spec'd body at the given time

Parameters:

cen - time in decimal centuries

planet - must be in the range SUN...NEPTUNE

Returns:

Throws:

java.lang.Exception