elliptic_motion.h

00001 /*
00002  *  This library is free software; you can redistribute it and/or
00003  *  modify it under the terms of the GNU Lesser General Public
00004  *  License as published by the Free Software Foundation; either
00005  *  version 2 of the License, or (at your option) any later version.
00006  *
00007  *  This library is distributed in the hope that it will be useful,
00008  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00009  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00010  *  Lesser General Public License for more details.
00011  *
00012  *  You should have received a copy of the GNU General Public License
00013  *  along with this program; if not, write to the Free Software
00014  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00015  *  
00016  *  Copyright (C) 2000 - 2005 Liam Girdwood  
00017  */
00018 
00019 #ifndef _LN_ELLIPTIC_MOTION_H
00020 #define _LN_ELLIPTIC_MOTION_H
00021 
00022 #include <libnova/ln_types.h>
00023 
00024 #ifdef __cplusplus
00025 extern "C" {
00026 #endif
00027 
00039 double LIBNOVA_EXPORT ln_solve_kepler (double e, double M);
00040 
00045 double LIBNOVA_EXPORT ln_get_ell_mean_anomaly (double n, double delta_JD);
00046 
00051 double LIBNOVA_EXPORT ln_get_ell_true_anomaly (double e, double E);
00052 
00057 double LIBNOVA_EXPORT ln_get_ell_radius_vector (double a, double e, double E);
00058 
00063 double LIBNOVA_EXPORT ln_get_ell_smajor_diam (double e, double q);
00064 
00069 double LIBNOVA_EXPORT ln_get_ell_sminor_diam (double e, double a);
00070 
00075 double LIBNOVA_EXPORT ln_get_ell_mean_motion (double a);
00076 
00081 void LIBNOVA_EXPORT ln_get_ell_geo_rect_posn (struct ln_ell_orbit* orbit, double JD, struct ln_rect_posn* posn);
00082         
00087 void LIBNOVA_EXPORT ln_get_ell_helio_rect_posn (struct ln_ell_orbit* orbit, double JD, struct ln_rect_posn* posn);
00088         
00093 double LIBNOVA_EXPORT ln_get_ell_orbit_len (struct ln_ell_orbit * orbit);
00094 
00099 double LIBNOVA_EXPORT ln_get_ell_orbit_vel (double JD, struct ln_ell_orbit * orbit);
00100 
00105 double LIBNOVA_EXPORT ln_get_ell_orbit_pvel (struct ln_ell_orbit * orbit);
00106 
00111 double LIBNOVA_EXPORT ln_get_ell_orbit_avel (struct ln_ell_orbit * orbit);
00112 
00117 double LIBNOVA_EXPORT ln_get_ell_body_phase_angle (double JD, struct ln_ell_orbit * orbit);
00118 
00123 double LIBNOVA_EXPORT ln_get_ell_body_elong (double JD, struct ln_ell_orbit * orbit);
00124 
00130 double LIBNOVA_EXPORT ln_get_ell_body_solar_dist (double JD, struct ln_ell_orbit * orbit);
00131 
00137 double LIBNOVA_EXPORT ln_get_ell_body_earth_dist (double JD, struct ln_ell_orbit * orbit);
00138         
00144 void LIBNOVA_EXPORT ln_get_ell_body_equ_coords (double JD, struct ln_ell_orbit * orbit, struct ln_equ_posn * posn);
00145 
00150 int LIBNOVA_EXPORT ln_get_ell_body_rst (double JD, struct ln_lnlat_posn * observer, struct ln_ell_orbit * orbit, struct ln_rst_time * rst);
00151 
00156 int LIBNOVA_EXPORT ln_get_ell_body_rst_horizon (double JD, struct ln_lnlat_posn * observer, struct ln_ell_orbit * orbit, double horizon, struct ln_rst_time * rst);
00157 
00162 int LIBNOVA_EXPORT ln_get_ell_body_next_rst (double JD, struct ln_lnlat_posn * observer, struct ln_ell_orbit * orbit, struct ln_rst_time * rst);
00163 
00168 int LIBNOVA_EXPORT ln_get_ell_body_next_rst_horizon (double JD, struct ln_lnlat_posn * observer, struct ln_ell_orbit * orbit, double horizon, struct ln_rst_time * rst);
00169 
00174 int LIBNOVA_EXPORT ln_get_ell_body_next_rst_horizon_future (double JD, struct ln_lnlat_posn * observer, struct ln_ell_orbit * orbit, double horizon, int day_limit, struct ln_rst_time * rst);
00175 
00180 double LIBNOVA_EXPORT ln_get_ell_last_perihelion (double epoch_JD, double M, double n);
00181 
00182 #ifdef __cplusplus
00183 };
00184 #endif
00185 
00186 #endif

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