* September 1998. This code is based upon algorithms and data kindly
* provided by Mr. Paul Schlyter. (pausch@saaf.se).
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
**************************************************************************/
#include "saturn.hxx"
/*************************************************************************
- * Saturn::Saturn(SGTime *t)
+ * Saturn::Saturn(double mjd)
* Public constructor for class Saturn
* Argument: The current time.
* the hard coded orbital elements for Saturn are passed to
* CelestialBody::CelestialBody();
************************************************************************/
-Saturn::Saturn(SGTime *t) :
+Saturn::Saturn(double mjd) :
CelestialBody(113.6634, 2.3898000E-5,
2.4886, -1.081E-7,
339.3939, 2.9766100E-5,
9.5547500, 0.000000,
0.055546, -9.499E-9,
- 316.9670, 0.03344422820, t)
+ 316.9670, 0.03344422820, mjd)
{
}
Saturn::Saturn() :
}
/*************************************************************************
- * void Saturn::updatePosition(SGTime *t, Star *ourSun)
+ * void Saturn::updatePosition(double mjd, Star *ourSun)
*
* calculates the current position of Saturn, by calling the base class,
* CelestialBody::updatePosition(); The current magnitude is calculated using
* a Saturn specific equation
*************************************************************************/
-void Saturn::updatePosition(SGTime *t, Star *ourSun)
+void Saturn::updatePosition(double mjd, Star *ourSun)
{
- CelestialBody::updatePosition(t, ourSun);
+ CelestialBody::updatePosition(mjd, ourSun);
- double actTime = fgCalcActTime(t);
+ double actTime = sgCalcActTime(mjd);
double ir = 0.4897394;
double Nr = 2.9585076 + 6.6672E-7*actTime;
double B = asin (sin(declination) * cos(ir) -