xv, yv, xh, yh, zh, xg, yg, zg, xe, ye, ze;
updateOrbElements(mjd);
- actTime = fgCalcActTime(mjd);
+ actTime = sgCalcActTime(mjd);
// calcualate the angle bewteen ecliptic and equatorial coordinate system
ecl = DEG_TO_RAD * (23.4393 - 3.563E-7 *actTime);
- eccAnom = fgCalcEccAnom(M, e); //calculate the eccentric anomaly
+ eccAnom = sgCalcEccAnom(M, e); //calculate the eccentric anomaly
xv = a * (cos(eccAnom) - e);
yv = a * (sqrt (1.0 - e*e) * sin(eccAnom));
v = atan2(yv, xv); // the planet's true anomaly
}
FV = RAD_TO_DEG * acos( tmp );
-};
+}
/****************************************************************************
- * double CelestialBody::fgCalcEccAnom(double M, double e)
+ * double CelestialBody::sgCalcEccAnom(double M, double e)
* this private member calculates the eccentric anomaly of a celestial body,
* given its mean anomaly and eccentricity.
*
* the eccentric anomaly
*
****************************************************************************/
-double CelestialBody::fgCalcEccAnom(double M, double e)
+double CelestialBody::sgCalcEccAnom(double M, double e)
{
double
eccAnom, E0, E1, diff;