1 // navrecord.hxx -- generic vor/dme/ndb class
3 // Written by Curtis Olson, started May 2004.
5 // Copyright (C) 2004 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 #ifndef _FG_NAVRECORD_HXX
25 #define _FG_NAVRECORD_HXX
29 #include "navaids_fwd.hxx"
30 #include "positioned.hxx"
31 #include <Airports/airports_fwd.hxx>
33 #include <simgear/props/propsfwd.hxx>
34 #include <simgear/timing/timestamp.hxx>
36 const double FG_NAV_DEFAULT_RANGE = 50; // nm
37 const double FG_LOC_DEFAULT_RANGE = 18; // nm
38 const double FG_DME_DEFAULT_RANGE = 50; // nm
39 const double FG_NAV_MAX_RANGE = 300; // nm
41 class FGNavRecord : public FGPositioned
46 double multiuse; // can be slaved variation of VOR
47 // (degrees) or localizer heading
48 // (degrees) or dme bias (nm)
50 std::string mName; // verbose name in nav database
51 PositionedID mRunway; // associated runway, if there is one
52 PositionedID mColocated; // Colocated DME at a navaid (ILS, VOR, TACAN, NDB)
55 mutable bool serviceable; // for failure modeling
58 FGNavRecord( PositionedID aGuid,
60 const std::string& ident,
61 const std::string& name,
66 PositionedID aRunway );
68 inline double get_lon() const { return longitude(); } // degrees
69 inline double get_lat() const { return latitude(); } // degrees
70 inline double get_elev_ft() const { return elevation(); }
72 inline int get_freq() const { return freq; }
73 inline int get_range() const { return range; }
74 inline double get_multiuse() const { return multiuse; }
75 inline void set_multiuse( double m ) { multiuse = m; }
76 inline const char *get_ident() const { return ident().c_str(); }
78 inline bool get_serviceable() const { return serviceable; }
79 inline const char *get_trans_ident() const { return get_ident(); }
81 virtual const std::string& name() const
85 * Retrieve the runway this navaid is associated with (for ILS/LOC/GS)
87 FGRunwayRef runway() const;
90 * return the localizer width, in degrees
91 * computation is based up ICAO stdandard width at the runway threshold
92 * see implementation for further details.
94 double localizerWidth() const;
96 void bindToNode(SGPropertyNode* nd) const;
97 void unbindFromNode(SGPropertyNode* nd) const;
99 void setColocatedDME(PositionedID other);
102 void updateFromXML(const SGGeod& geod, double heading);
106 * A mobile navaid, aka. a navaid which can change its position (eg. a mobile
109 class FGMobileNavRecord:
113 FGMobileNavRecord( PositionedID aGuid,
115 const std::string& ident,
116 const std::string& name,
121 PositionedID aRunway );
123 virtual const SGGeod& geod() const;
124 virtual const SGVec3d& cart() const;
126 void updateVehicle();
130 SGTimeStamp _last_vehicle_update;
131 SGPropertyNode_ptr _vehicle_node;
132 double _initial_elevation_ft; // Elevation as given in the config file
135 class FGTACANRecord : public SGReferenced {
143 inline ~FGTACANRecord(void) {}
145 inline const std::string& get_channel() const { return channel; }
146 inline int get_freq() const { return freq; }
147 friend std::istream& operator>> ( std::istream&, FGTACANRecord& );
150 #endif // _FG_NAVRECORD_HXX