SGPropertyNode_ptr inrange_node;
SGPropertyNode_ptr signal_quality_norm_node;
SGPropertyNode_ptr cdi_deflection_node;
+ SGPropertyNode_ptr cdi_deflection_norm_node;
SGPropertyNode_ptr cdi_xtrack_error_node;
SGPropertyNode_ptr cdi_xtrack_hdg_err_node;
SGPropertyNode_ptr has_gs_node;
SGPropertyNode_ptr loc_node;
SGPropertyNode_ptr loc_dist_node;
SGPropertyNode_ptr gs_deflection_node;
+ SGPropertyNode_ptr gs_deflection_deg_node;
+ SGPropertyNode_ptr gs_deflection_norm_node;
SGPropertyNode_ptr gs_rate_of_climb_node;
SGPropertyNode_ptr gs_dist_node;
SGPropertyNode_ptr nav_id_node;
SGPropertyNode_ptr gps_to_flag_node;
SGPropertyNode_ptr gps_from_flag_node;
SGPropertyNode_ptr gps_has_gs_node;
-
+ SGPropertyNode_ptr gps_course_node;
+ SGPropertyNode_ptr gps_xtrack_error_nm_node;
+
// internal (private) values
int play_count;
bool has_dme;
double target_radial;
- SGVec3d gs_base_vec;
- double gs_dist_signed;
SGTimeStamp prev_time;
SGTimeStamp curr_time;
double effective_range;
double last_x;
double last_loc_dist;
double last_xtrack_error;
-
+ double _localizerWidth; // cached localizer width in degrees
+
string _name;
int _num;
// internal periodic station search timer
double _time_before_search_sec;
+ SGVec3d _gsCart, _gsAxis, _gsVertical;
+
+ // CDI properties
+ bool _toFlag, _fromFlag;
+ double _cdiDeflection;
+ double _cdiCrossTrackErrorM;
+ double _gsNeedleDeflection;
+ double _gsNeedleDeflectionNorm;
+
bool updateWithPower(double aDt);
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustILSRange( double stationElev, double aircraftElev,
double offsetDegrees, double distance );
- void updateAudio(bool aInRange);
+ void updateAudio();
void audioNavidChanged();
+ void updateReceiver(double dt);
+ void updateGlideSlope(double dt, const SGVec3d& aircraft, double signal_quality_norm);
+ void updateGPSSlaved();
+ void updateCDI(double dt);
+
+ void clearOutputs();
+
+ /**
+ * Compute the localizer width in degrees - see implementation for
+ * more information on the relevant standards and formulae.
+ */
+ double localizerWidth(FGNavRecord* aLOC);
FGNavRecord* findPrimaryNavaid(const SGGeod& aPos, double aFreqMHz);
public: