libnova  v 0.16.0
mercury.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_MERCURY_H
20 #define _LN_MERCURY_H
21 
22 #include <libnova/ln_types.h>
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
39 double LIBNOVA_EXPORT ln_get_mercury_sdiam(double JD);
40 
45 int LIBNOVA_EXPORT ln_get_mercury_rst(double JD,
46  struct ln_lnlat_posn *observer, struct ln_rst_time *rst);
47 
52 /* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
53 void LIBNOVA_EXPORT ln_get_mercury_helio_coords(double JD,
54  struct ln_helio_posn *position);
55 
60 /* Chapter 31 Pg 206-207 Equ 31.1 31.2 , 31.3 using VSOP 87 */
61 void LIBNOVA_EXPORT ln_get_mercury_equ_coords(double JD,
62  struct ln_equ_posn *position);
63 
69 /* Chapter ?? */
70 double LIBNOVA_EXPORT ln_get_mercury_earth_dist(double JD);
71 
77 /* Chapter ?? */
78 double LIBNOVA_EXPORT ln_get_mercury_solar_dist(double JD);
79 
85 /* Chapter ?? */
86 double LIBNOVA_EXPORT ln_get_mercury_magnitude(double JD);
87 
93 /* Chapter 41 */
94 double LIBNOVA_EXPORT ln_get_mercury_disk(double JD);
95 
101 /* Chapter 41 */
102 double LIBNOVA_EXPORT ln_get_mercury_phase(double JD);
103 
104 
109 void LIBNOVA_EXPORT ln_get_mercury_rect_helio(double JD,
110  struct ln_rect_posn *position);
111 
112 #ifdef __cplusplus
113 };
114 #endif
115 
116 #endif
ln_get_solar_geom_coords
void LIBNOVA_EXPORT ln_get_solar_geom_coords(double JD, struct ln_helio_posn *position)
Calculate solar geometric coordinates.
Definition: solar.c:39
ln_get_mercury_sdiam
double ln_get_mercury_sdiam(double JD)
Calculate the semidiameter of Mercury in arc seconds.
Definition: mercury.c:7537
ln_rect_posn::Z
double Z
Definition: ln_types.h:242
ln_get_mercury_disk
double ln_get_mercury_disk(double JD)
Calculate the illuminated fraction of Mercury's disk.
Definition: mercury.c:7473
ln_rst_time
Rise, Set and Transit times.
Definition: ln_types.h:314
ln_rect_posn::X
double X
Definition: ln_types.h:240
ln_equ_posn::ra
double ra
Definition: ln_types.h:177
ln_get_mercury_helio_coords
void ln_get_mercury_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Mercury's heliocentric coordinates.
Definition: mercury.c:7321
ln_get_mercury_phase
double ln_get_mercury_phase(double JD)
Calculate the phase angle of Mercury (Sun - Mercury - Earth)
Definition: mercury.c:7495
ln_get_earth_solar_dist
double ln_get_earth_solar_dist(double JD)
Calculate the distance between Earth and the Sun.
Definition: earth.c:2772
ln_get_mercury_equ_coords
void ln_get_mercury_equ_coords(double JD, struct ln_equ_posn *position)
Calculate Mercury's equatorial coordinates.
Definition: mercury.c:7274
ln_helio_posn
Heliocentric position.
Definition: ln_types.h:219
ln_get_mercury_earth_dist
double ln_get_mercury_earth_dist(double JD)
Calculate the distance between Mercury and the Earth.
Definition: mercury.c:7396
ln_get_mercury_solar_dist
double ln_get_mercury_solar_dist(double JD)
Calculate the distance between Mercury and the Sun in AU.
Definition: mercury.c:7429
ln_get_mercury_rst
int ln_get_mercury_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for Mercury.
Definition: mercury.c:7523
ln_range_degrees
double LIBNOVA_EXPORT ln_range_degrees(double angle)
puts a large angle in the correct range 0 - 360 degrees
Definition: utility.c:237
ln_vsop
Definition: vsop87.h:43
ln_helio_posn::R
double R
Definition: ln_types.h:222
ln_rect_posn::Y
double Y
Definition: ln_types.h:241
ln_vsop87_to_fk5
void LIBNOVA_EXPORT ln_vsop87_to_fk5(struct ln_helio_posn *position, double JD)
Transform from VSOP87 to FK5 reference system.
Definition: vsop87.c:49
ln_helio_posn::B
double B
Definition: ln_types.h:221
ln_rad_to_deg
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:87
ln_helio_posn::L
double L
Definition: ln_types.h:220
ln_get_mercury_rect_helio
void ln_get_mercury_rect_helio(double JD, struct ln_rect_posn *position)
Calculate Mercurys rectangular heliocentric coordinates.
Definition: mercury.c:7553
ln_get_mercury_magnitude
double ln_get_mercury_magnitude(double JD)
Calculate the visible magnitude of Mercury.
Definition: mercury.c:7447
ln_lnlat_posn
Ecliptical (or celestial) Longitude and Latitude.
Definition: ln_types.h:204
ln_get_rect_from_helio
void LIBNOVA_EXPORT ln_get_rect_from_helio(struct ln_helio_posn *object, struct ln_rect_posn *position)
Calculate geocentric coordinates from heliocentric coordinates
Definition: transform.c:36
ln_equ_posn
Equatorial Coordinates.
Definition: ln_types.h:176
ln_equ_posn::dec
double dec
Definition: ln_types.h:178
ln_get_earth_helio_coords
void ln_get_earth_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Earth's heliocentric coordinates.
Definition: earth.c:2699
ln_get_body_rst_horizon
int LIBNOVA_EXPORT ln_get_body_rst_horizon(double JD, struct ln_lnlat_posn *observer, void(*get_equ_body_coords)(double, struct ln_equ_posn *), double horizon, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for an object a body, usually Sun, a planet or Moon.
Definition: rise_set.c:320
ln_rect_posn
Rectangular coordinates.
Definition: ln_types.h:239