org.stellarium.astro.planet
Class EclipticHelioFunc

java.lang.Object
  org.stellarium.astro.planet.EclipticHelioFunc

All Implemented Interfaces:

PosFunc

public class EclipticHelioFunc
extends java.lang.Object
implements PosFunc

Function to compute ecliptic position from a given date.

Version:

$revision$

Author:

Jerome Beau

Field Summary

private double[][][]	latitudes
private double[][][]	longitudes
private double[][][]	radiuses

Constructor Summary

EclipticHelioFunc(double[][][] longitudes, double[][][] latitudes, double[][][] radiuses)

Method Summary

void	compute(double calcDate, javax.vecmath.Tuple3d eclipticPos) Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 Calculate earth rectangular heliocentric ecliptical coordinates for given julian day.

Methods inherited from class java.lang.Object

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

Field Detail

longitudes

private double[][][] longitudes

latitudes

private double[][][] latitudes

radiuses

private double[][][] radiuses

Constructor Detail

EclipticHelioFunc

public EclipticHelioFunc(double[][][] longitudes,
                         double[][][] latitudes,
                         double[][][] radiuses)

Method Detail

compute

public void compute(double calcDate,
                    javax.vecmath.Tuple3d eclipticPos)

Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 Calculate earth rectangular heliocentric ecliptical coordinates for given julian day. Values are in UA.

Specified by:

compute in interface PosFunc

Parameters:

calcDate - Computation date, as Julian day

eclipticPos - The rect coords of ecliptic pos, as a result