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
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_venus_rect_helio
void ln_get_venus_rect_helio(double JD, struct ln_rect_posn *position)
Calculate Venus rectangular heliocentric coordinates.
Definition: venus.c:2122
ln_get_venus_earth_dist
double ln_get_venus_earth_dist(double JD)
Calculate the distance between Venus and the Earth.
Definition: venus.c:1967
ln_get_venus_disk
double ln_get_venus_disk(double JD)
Calculate the illuminated fraction of Venus disk.
Definition: venus.c:2043
ln_get_venus_equ_coords
void ln_get_venus_equ_coords(double JD, struct ln_equ_posn *position)
Calculate Venus equatorial coordinates.
Definition: venus.c:1847
ln_rect_posn::Z
double Z
Definition: ln_types.h:241
ln_rst_time
Rise, Set and Transit times.
Definition: ln_types.h:318
ln_rect_posn::X
double X
Definition: ln_types.h:239
ln_equ_posn::ra
double ra
Definition: ln_types.h:172
ln_get_venus_helio_coords
void ln_get_venus_helio_coords(double JD, struct ln_helio_posn *position)
Calculate Venus heliocentric coordinates.
Definition: venus.c:1893
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_venus_sdiam
double ln_get_venus_sdiam(double JD)
Calculate the semidiameter of Venus in arc seconds.
Definition: venus.c:2106
ln_helio_posn
Heliocentric position.
Definition: ln_types.h:217
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:234
ln_get_venus_rst
int 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
ln_get_venus_solar_dist
double ln_get_venus_solar_dist(double JD)
Calculate the distance between Venus and the Sun.
Definition: venus.c:2000
ln_vsop
Definition: vsop87.h:44
ln_helio_posn::R
double R
Definition: ln_types.h:220
ln_get_venus_magnitude
double ln_get_venus_magnitude(double JD)
Calculate the visible magnitude of Venus.
Definition: venus.c:2018
ln_rect_posn::Y
double Y
Definition: ln_types.h:240
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:219
ln_rad_to_deg
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:84
ln_get_venus_phase
double ln_get_venus_phase(double JD)
Calculate the phase angle of Venus.
Definition: venus.c:2065
ln_helio_posn::L
double L
Definition: ln_types.h:218
ln_lnlat_posn
Ecliptical (or celestial) Longitude and Latitude.
Definition: ln_types.h:201
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:171
ln_equ_posn::dec
double dec
Definition: ln_types.h:173
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:275
ln_rect_posn
Rectangular coordinates.
Definition: ln_types.h:238