//必要なデータを外部から渡す場合
public void calculateSunPosition(double[] posdata) // double rightascension, double declination, double sundistance, double timeangle)
{
asc = posdata[EclipseData.SUN_ASC]; // rightascension;
dec = posdata[EclipseData.SUN_DEC]; // declination;
phai0 = posdata[EclipseData.PHAI]; // timeangle;
dist = posdata[EclipseData.SUN_DIST]; // sundistance;// StarPosition.getSunDistance(timevalue);
parallax = StarPosition.getParallax(dist); //
k = StarPosition.getSunriseAltitude(StarPosition.getSunDiameter(dist), 0.0, StarPosition.refraction, parallax);
twilightk = StarPosition.getTwilightAltitude(0.0, parallax);
}
//retrieve the position of the sun
public void calculateSunPosition(double year, double month, double day, double hour, double minute)
{
//Debug.Log( "calculateSunPosiotion");
//Debug.Log("WORLDCLOCK y= " + year + " m= " + month + " d= " + day + " h= " + hour + " min " + minute);
time = minute / 60.0 + hour;
double timevalue = StarPosition.getTime(year, month, day, time);
double elon = StarPosition.getSunEclipticLongitude(timevalue); //
double e = StarPosition.getInclination(timevalue); //
asc = StarPosition.getRightAscension(elon, e); //
dec = StarPosition.getDeclination(elon, e); //
phai0 = StarPosition.getSidereal(timevalue, time / 24.0, 0); //
dist = StarPosition.getSunDistance(timevalue);
parallax = StarPosition.getParallax(dist); //
k = StarPosition.getSunriseAltitude(StarPosition.getSunDiameter(dist), 0.0, StarPosition.refraction, parallax);
twilightk = StarPosition.getTwilightAltitude(0.0, parallax);
}