* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
**************************************************************************/
// SG_LOG( SG_GENERAL, SG_INFO, "rho = " << rho );
if (geoRa < 0)
- geoRa += (2*SGD_PI);
+ geoRa += SGD_2PI;
HA = lst - (3.8197186 * geoRa);
/* SG_LOG( SG_GENERAL, SG_INFO, "t->getLst() = " << t->getLst()
// SG_LOG( SG_GENERAL, SG_INFO, "g = " << g );
rightAscension = geoRa - mpar * rho * cos(gclat) * sin(HA) / cos (geoDec);
- declination = geoDec - mpar * rho * sin (gclat) * sin (g - geoDec) / sin(g);
+ if (fabs(lat) > 0) {
+ declination
+ = geoDec - mpar * rho * sin (gclat) * sin (g - geoDec) / sin(g);
+ } else {
+ declination = geoDec;
+ // cerr << "Geocentric vs. Topocentric position" << endl;
+ // cerr << "RA (difference) : "
+ // << SGD_RADIANS_TO_DEGREES * (geoRa - rightAscension) << endl;
+ // cerr << "Dec (difference) : "
+ // << SGD_RADIANS_TO_DEGREES * (geoDec - declination) << endl;
+ }
/* SG_LOG( SG_GENERAL, SG_INFO,
"Ra = (" << (SGD_RADIANS_TO_DEGREES *rightAscension)