libnova  v 0.15.0
lunar.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_LUNAR_H
20 #define _LN_LUNAR_H
21 
22 #include <libnova/ln_types.h>
23 
24 #define LN_LUNAR_STANDART_HORIZON 0.125
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
41 double LIBNOVA_EXPORT ln_get_lunar_sdiam (double JD);
42 
48 int LIBNOVA_EXPORT ln_get_lunar_rst (double JD, struct ln_lnlat_posn * observer, struct ln_rst_time * rst);
49 
54 /* ELP 2000-82B theory */
55 void LIBNOVA_EXPORT ln_get_lunar_geo_posn (double JD, struct ln_rect_posn * moon, double precision);
56 
61 void LIBNOVA_EXPORT ln_get_lunar_equ_coords_prec (double JD, struct ln_equ_posn * position, double precision);
62 
67 void LIBNOVA_EXPORT ln_get_lunar_equ_coords (double JD, struct ln_equ_posn * position);
68 
73 void LIBNOVA_EXPORT ln_get_lunar_ecl_coords (double JD, struct ln_lnlat_posn * position, double precision);
74 
79 double LIBNOVA_EXPORT ln_get_lunar_phase (double JD);
80 
85 double LIBNOVA_EXPORT ln_get_lunar_disk (double JD);
86 
91 double LIBNOVA_EXPORT ln_get_lunar_earth_dist (double JD);
92 
97 double LIBNOVA_EXPORT ln_get_lunar_bright_limb (double JD);
98 
103 double LIBNOVA_EXPORT ln_get_lunar_long_asc_node (double JD);
104 
109 double LIBNOVA_EXPORT ln_get_lunar_long_perigee (double JD);
110 
111 #ifdef __cplusplus
112 };
113 #endif
114 
115 #endif
ln_rect_posn::Z
double Z
Definition: ln_types.h:241
ln_lnlat_posn::lng
double lng
Definition: ln_types.h:202
ln_get_lunar_equ_coords
void ln_get_lunar_equ_coords(double JD, struct ln_equ_posn *position)
Calculate lunar equatorial coordinates.
Definition: lunar.c:39327
ln_get_lunar_equ_coords_prec
void ln_get_lunar_equ_coords_prec(double JD, struct ln_equ_posn *position, double precision)
Calculate lunar equatorial coordinates.
Definition: lunar.c:39311
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_lunar_bright_limb
double ln_get_lunar_bright_limb(double JD)
Calculate the position angle of the Moon's bright limb.
Definition: lunar.c:39431
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_lunar_ecl_coords
void ln_get_lunar_ecl_coords(double JD, struct ln_lnlat_posn *position, double precision)
Calculate lunar ecliptical coordinates.
Definition: lunar.c:39342
ln_get_lunar_long_perigee
double ln_get_lunar_long_perigee(double JD)
Calculate the longitude of the Moon's mean perigee.
Definition: lunar.c:39517
ln_get_lunar_earth_dist
double ln_get_lunar_earth_dist(double JD)
Calculate the distance between the Earth and the Moon.
Definition: lunar.c:39364
ln_get_solar_equ_coords
void LIBNOVA_EXPORT ln_get_solar_equ_coords(double JD, struct ln_equ_posn *position)
Calculate apparent equatorial coordinates.
Definition: solar.c:56
ln_get_equ_from_ecl
void LIBNOVA_EXPORT ln_get_equ_from_ecl(struct ln_lnlat_posn *object, double JD, struct ln_equ_posn *position)
Calculate equatorial coordinates from ecliptical coordinates.
Definition: transform.c:192
ln_deg_to_rad
double LIBNOVA_EXPORT ln_deg_to_rad(double degrees)
degrees to radians
Definition: utility.c:90
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_solar_ecl_coords
void LIBNOVA_EXPORT ln_get_solar_ecl_coords(double JD, struct ln_lnlat_posn *position)
Calculate apparent ecliptical coordinates.
Definition: solar.c:87
ln_get_lunar_rst
int ln_get_lunar_rst(double JD, struct ln_lnlat_posn *observer, struct ln_rst_time *rst)
Calculate the time of rise, set and transit for the Moon.
Definition: lunar.c:39467
ln_range_radians
double LIBNOVA_EXPORT ln_range_radians(double angle)
puts a large angle in the correct range 0 - 2PI radians
Definition: utility.c:249
earth_pert
Definition: lunar.c:121
ln_lnlat_posn::lat
double lat
Definition: ln_types.h:203
planet_pert
Definition: lunar.c:131
ln_get_lunar_disk
double ln_get_lunar_disk(double JD)
Calculate the illuminated fraction of the Moons disk.
Definition: lunar.c:39410
ln_get_lunar_phase
double ln_get_lunar_phase(double JD)
Calculate the phase angle of the Moon.
Definition: lunar.c:39380
ln_rect_posn::Y
double Y
Definition: ln_types.h:240
ln_get_lunar_geo_posn
void ln_get_lunar_geo_posn(double JD, struct ln_rect_posn *moon, double precision)
Calculate the rectangular geocentric lunar cordinates.
Definition: lunar.c:39191
ln_rad_to_deg
double LIBNOVA_EXPORT ln_rad_to_deg(double radians)
radians to degrees
Definition: utility.c:84
ln_get_lunar_long_asc_node
double ln_get_lunar_long_asc_node(double JD)
Calculate the longitude of the Moon's mean ascending node.
Definition: lunar.c:39496
ln_lnlat_posn
Ecliptical (or celestial) Longitude and Latitude.
Definition: ln_types.h:201
ln_equ_posn
Equatorial Coordinates.
Definition: ln_types.h:171
ln_equ_posn::dec
double dec
Definition: ln_types.h:173
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
main_problem
Definition: lunar.c:113
ln_rect_posn
Rectangular coordinates.
Definition: ln_types.h:238
ln_get_lunar_sdiam
double ln_get_lunar_sdiam(double JD)
Calculate the semidiameter of the Moon in arc seconds.
Definition: lunar.c:39480