libnova  v 0.15.0
venus.h
1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15  *
16  * Copyright (C) 2000 - 2005 Liam Girdwood
17  */
18 
19 #ifndef _LN_VENUS_H
20 #define _LN_VENUS_H
21 
22 #include <libnova/ln_types.h>
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
39 double LIBNOVA_EXPORT ln_get_venus_sdiam (double JD);
40 
45 int LIBNOVA_EXPORT ln_get_venus_rst (double JD, struct ln_lnlat_posn * observer, struct ln_rst_time * rst);
46 
51 /* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
52 void LIBNOVA_EXPORT ln_get_venus_helio_coords (double JD, struct ln_helio_posn * position);
53 
58 /* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
59 void LIBNOVA_EXPORT ln_get_venus_equ_coords (double JD, struct ln_equ_posn * position);
60 
66 /* Chapter ?? */
67 double LIBNOVA_EXPORT ln_get_venus_earth_dist (double JD);
68 
74 /* Chapter ?? */
75 double LIBNOVA_EXPORT ln_get_venus_solar_dist (double JD);
76 
82 /* Chapter ?? */
83 double LIBNOVA_EXPORT ln_get_venus_magnitude (double JD);
84 
90 /* Chapter 41 */
91 double LIBNOVA_EXPORT ln_get_venus_disk (double JD);
92 
98 /* Chapter 41 */
99 double LIBNOVA_EXPORT ln_get_venus_phase (double JD);
100 
105 void LIBNOVA_EXPORT ln_get_venus_rect_helio (double JD, struct ln_rect_posn * position);
106 
107 #ifdef __cplusplus
108 };
109 #endif
110 
111 #endif
Rectangular coordinates.
Definition: ln_types.h:237
double LIBNOVA_EXPORT ln_get_venus_earth_dist(double JD)
Calculate the distance between Venus and the Earth.
Definition: venus.c:1967
Equatorial Coordinates.
Definition: ln_types.h:170
void LIBNOVA_EXPORT ln_get_venus_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Venus heliocentric coordinates.
Definition: venus.c:1893
Ecliptical (or celestial) Longitude and Latitude.
Definition: ln_types.h:200
double LIBNOVA_EXPORT ln_get_venus_sdiam(double JD)
Calculate the semidiameter of Venus in arc seconds.
Definition: venus.c:2106
int LIBNOVA_EXPORT ln_get_venus_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for Venus.
Definition: venus.c:2093
Rise, Set and Transit times.
Definition: ln_types.h:317
Heliocentric position.
Definition: ln_types.h:216
double LIBNOVA_EXPORT ln_get_venus_solar_dist(double JD)
Calculate the distance between Venus and the Sun.
Definition: venus.c:2000
double LIBNOVA_EXPORT ln_get_venus_magnitude(double JD)
Calculate the visible magnitude of Venus.
Definition: venus.c:2018
void LIBNOVA_EXPORT ln_get_venus_rect_helio(double JD, struct ln_rect_posn *position)
Calculate Venus rectangular heliocentric coordinates.
Definition: venus.c:2122
double LIBNOVA_EXPORT ln_get_venus_disk(double JD)
Calculate the illuminated fraction of Venus disk.
Definition: venus.c:2043
void LIBNOVA_EXPORT ln_get_venus_equ_coords(double JD, struct ln_equ_posn *position)
Calculate Venus equatorial coordinates.
Definition: venus.c:1847
double LIBNOVA_EXPORT ln_get_venus_phase(double JD)
Calculate the phase angle of Venus.
Definition: venus.c:2065