1 // gps.hxx - distance-measuring equipment.
2 // Written by David Megginson, started 2003.
4 // This file is in the Public Domain and comes with no warranty.
7 #ifndef __INSTRUMENTS_GPS_HXX
8 #define __INSTRUMENTS_GPS_HXX 1
11 # error This library requires C++
14 #include <simgear/props/props.hxx>
15 #include <simgear/structure/subsystem_mgr.hxx>
23 * /position/longitude-deg
24 * /position/latitude-deg
25 * /position/altitude-ft
26 * /environment/magnetic-variation-deg
27 * /systems/electrical/outputs/gps
28 * /instrumentation/gps/serviceable
30 * /instrumentation/gps/wp-longitude-deg
31 * /instrumentation/gps/wp-latitude-deg
32 * /instrumentation/gps/wp-altitude-ft
33 * /instrumentation/gps/wp-ID
34 * /instrumentation/gps/wp-name
35 * /instrumentation/gps/desired-course-deg
36 * /instrumentation/gps/get-nearest-airport
37 * /instrumentation/gps/waypoint-type
38 * /instrumentation/gps/tracking-bug
42 * /instrumentation/gps/indicated-longitude-deg
43 * /instrumentation/gps/indicated-latitude-deg
44 * /instrumentation/gps/indicated-altitude-ft
45 * /instrumentation/gps/indicated-vertical-speed-fpm
46 * /instrumentation/gps/indicated-track-true-deg
47 * /instrumentation/gps/indicated-track-magnetic-deg
48 * /instrumentation/gps/indicated-ground-speed-kt
50 * /instrumentation/gps/wp-distance-nm
51 * /instrumentation/gps/wp-bearing-deg
52 * /instrumentation/gps/wp-bearing-mag-deg
53 * /instrumentation/gps/TTW
54 * /instrumentation/gps/course-deviation-deg
55 * /instrumentation/gps/course-error-nm
56 * /instrumentation/gps/to-flag
57 * /instrumentation/gps/odometer
58 * /instrumentation/gps/trip-odometer
59 * /instrumentation/gps/true-bug-error-deg
60 * /instrumentation/gps/magnetic-bug-error-deg
61 * /instrumentation/gps/true-bearing-error-deg
62 * /instrumentation/gps/magnetic-bearing-error-deg
64 class GPS : public SGSubsystem
73 virtual void update (double delta_time_sec);
77 void search (double frequency, double longitude_rad,
78 double latitude_rad, double altitude_m);
80 double degrange360 (double deg);
81 double degrange180 (double deg);
82 double degrange (double deg, double min, double max);
84 SGPropertyNode_ptr _longitude_node;
85 SGPropertyNode_ptr _latitude_node;
86 SGPropertyNode_ptr _altitude_node;
87 SGPropertyNode_ptr _magvar_node;
88 SGPropertyNode_ptr _serviceable_node;
89 SGPropertyNode_ptr _electrical_node;
90 SGPropertyNode_ptr _wp0_longitude_node;
91 SGPropertyNode_ptr _wp0_latitude_node;
92 SGPropertyNode_ptr _wp0_altitude_node;
93 SGPropertyNode_ptr _wp0_ID_node;
94 SGPropertyNode_ptr _wp0_name_node;
95 SGPropertyNode_ptr _wp0_course_node;
96 SGPropertyNode_ptr _get_nearest_airport_node;
97 SGPropertyNode_ptr _wp0_waypoint_type_node;
98 SGPropertyNode_ptr _wp1_longitude_node;
99 SGPropertyNode_ptr _wp1_latitude_node;
100 SGPropertyNode_ptr _wp1_altitude_node;
101 SGPropertyNode_ptr _wp1_ID_node;
102 SGPropertyNode_ptr _wp1_name_node;
103 SGPropertyNode_ptr _wp1_course_node;
104 SGPropertyNode_ptr _wp1_waypoint_type_node;
105 SGPropertyNode_ptr _tracking_bug_node;
107 SGPropertyNode_ptr _raim_node;
108 SGPropertyNode_ptr _indicated_longitude_node;
109 SGPropertyNode_ptr _indicated_latitude_node;
110 SGPropertyNode_ptr _indicated_altitude_node;
111 SGPropertyNode_ptr _indicated_vertical_speed_node;
112 SGPropertyNode_ptr _true_track_node;
113 SGPropertyNode_ptr _magnetic_track_node;
114 SGPropertyNode_ptr _speed_node;
115 SGPropertyNode_ptr _wp0_distance_node;
116 SGPropertyNode_ptr _wp0_ttw_node;
117 SGPropertyNode_ptr _wp0_bearing_node;
118 SGPropertyNode_ptr _wp0_mag_bearing_node;
119 SGPropertyNode_ptr _wp0_course_deviation_node;
120 SGPropertyNode_ptr _wp0_course_error_nm_node;
121 SGPropertyNode_ptr _wp0_to_flag_node;
122 SGPropertyNode_ptr _wp1_distance_node;
123 SGPropertyNode_ptr _wp1_ttw_node;
124 SGPropertyNode_ptr _wp1_bearing_node;
125 SGPropertyNode_ptr _wp1_mag_bearing_node;
126 SGPropertyNode_ptr _wp1_course_deviation_node;
127 SGPropertyNode_ptr _wp1_course_error_nm_node;
128 SGPropertyNode_ptr _wp1_to_flag_node;
129 SGPropertyNode_ptr _odometer_node;
130 SGPropertyNode_ptr _trip_odometer_node;
131 SGPropertyNode_ptr _true_bug_error_node;
132 SGPropertyNode_ptr _magnetic_bug_error_node;
133 SGPropertyNode_ptr _true_wp0_bearing_error_node;
134 SGPropertyNode_ptr _magnetic_wp0_bearing_error_node;
135 SGPropertyNode_ptr _true_wp1_bearing_error_node;
136 SGPropertyNode_ptr _magnetic_wp1_bearing_error_node;
137 SGPropertyNode_ptr _leg_distance_node;
138 SGPropertyNode_ptr _leg_course_node;
139 SGPropertyNode_ptr _leg_magnetic_course_node;
140 SGPropertyNode_ptr _alt_dist_ratio_node;
141 SGPropertyNode_ptr _leg_course_deviation_node;
142 SGPropertyNode_ptr _leg_course_error_nm_node;
143 SGPropertyNode_ptr _leg_to_flag_node;
144 SGPropertyNode_ptr _alt_deviation_node;
147 double _last_longitude_deg;
148 double _last_latitude_deg;
149 double _last_altitude_m;
150 double _last_speed_kts;
152 double _wp0_latitude_deg;
153 double _wp0_longitude_deg;
154 double _wp0_altitude_m;
155 double _wp1_latitude_deg;
156 double _wp1_longitude_deg;
157 double _wp1_altitude_m;
161 double _alt_dist_ratio;
167 double azimuth_error;
174 #endif // __INSTRUMENTS_GPS_HXX