1 // dme.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_TACAN_HXX
8 #define __INSTRUMENTS_TACAN_HXX 1
11 # error This library requires C++
14 #include <simgear/math/point3d.hxx>
15 #include <simgear/props/props.hxx>
16 #include <simgear/structure/subsystem_mgr.hxx>
20 * Model a TACAN radio.
24 * /position/longitude-deg
25 * /position/latitude-deg
26 * /position/altitude-ft
28 * /systems/electrical/outputs/TACAN
29 * /instrumentation/"name"/serviceable
30 * /instrumentation/"name"/frequencies/source
31 * /instrumentation/"name"/frequencies/selected-mhz
35 * /instrumentation/"name"/in-range
36 * /instrumentation/"name"/indicated-distance-nm
37 * /instrumentation/"name"/indicated-ground-speed-kt
38 * /instrumentation/"name"/indicated-time-kt
40 class TACAN : public SGSubsystem
45 TACAN ( SGPropertyNode *node );
50 virtual void update (double delta_time_sec);
54 void search (double frequency, double longitude_rad,
55 double latitude_rad, double altitude_m);
56 double searchChannel (const string& _channel);
58 SGPropertyNode_ptr _longitude_node;
59 SGPropertyNode_ptr _latitude_node;
60 SGPropertyNode_ptr _altitude_node;
61 SGPropertyNode_ptr _heading_node;
62 SGPropertyNode_ptr _yaw_node;
63 SGPropertyNode_ptr _serviceable_node;
64 SGPropertyNode_ptr _electrical_node;
65 SGPropertyNode_ptr _source_node;
66 SGPropertyNode_ptr _frequency_node;
67 SGPropertyNode_ptr _display_node;
68 SGPropertyNode_ptr _x_shift_node;
69 SGPropertyNode_ptr _y_shift_node;
70 SGPropertyNode_ptr _rotation_node;
72 SGPropertyNode_ptr _in_range_node;
73 SGPropertyNode_ptr _distance_node;
74 SGPropertyNode_ptr _speed_node;
75 SGPropertyNode_ptr _time_node;
76 SGPropertyNode_ptr _bearing_node;
77 SGPropertyNode_ptr _ident_node;
78 SGPropertyNode_ptr _name_node;
80 SGPropertyNode_ptr _carrier_name_node;
81 SGPropertyNode_ptr _channel_node;
83 SGPropertyNode_ptr _tanker_callsign_node;
84 SGPropertyNode_ptr _mp_callsign_node;
86 double _last_distance_nm;
87 double _last_frequency_mhz;
88 double _time_before_search_sec;
92 bool _mp_tanker_valid;
93 bool _transmitter_valid;
96 double _transmitter_lat, _transmitter_lon;
97 double _transmitter_elevation_ft;
98 double _transmitter_range_nm;
99 double _transmitter_bearing_deg;
100 double _transmitter_bias;
101 string _transmitter_name;
103 double _carrier_lat, _carrier_lon;
104 double _carrier_elevation_ft;
105 double _carrier_range_nm;
106 double _carrier_bearing_deg;
107 double _carrier_bias;
108 string _carrier_name;
110 double _tanker_lat, _tanker_lon;
111 double _tanker_elevation_ft;
112 double _tanker_range_nm;
113 double _tanker_bearing_deg;
123 #endif // __INSTRUMENTS_TACAN_HXX