- double lon = longitudeVal->getDoubleValue() * DEG_TO_RAD;
- double lat = latitudeVal->getDoubleValue() * DEG_TO_RAD;
- double elev = altitudeVal->getDoubleValue() * FEET_TO_METER;
-
- // nav1
- FGILS ils;
- FGNav nav;
-
- static string last_nav1_ident = "";
- static string last_nav2_ident = "";
-
- if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
- nav1_ident = ils.get_locident();
- if ( last_nav1_ident != nav1_ident ) {
- last_nav1_ident = nav1_ident;
- nav1_valid = true;
- nav1_loc = true;
- nav1_has_dme = ils.get_has_dme();
- nav1_has_gs = ils.get_has_gs();
-
- nav1_loclon = ils.get_loclon();
- nav1_loclat = ils.get_loclat();
- nav1_gslon = ils.get_gslon();
- nav1_gslat = ils.get_gslat();
- nav1_dmelon = ils.get_dmelon();
- nav1_dmelat = ils.get_dmelat();
- nav1_elev = ils.get_gselev();
- nav1_magvar = 0;
- nav1_effective_range = FG_ILS_DEFAULT_RANGE;
- nav1_target_gs = ils.get_gsangle();
- nav1_radial = ils.get_locheading();
- while ( nav1_radial < 0.0 ) { nav1_radial += 360.0; }
- while ( nav1_radial > 360.0 ) { nav1_radial -= 360.0; }
- nav1_x = ils.get_x();
- nav1_y = ils.get_y();
- nav1_z = ils.get_z();
- nav1_gs_x = ils.get_gs_x();
- nav1_gs_y = ils.get_gs_y();
- nav1_gs_z = ils.get_gs_z();
- nav1_dme_x = ils.get_dme_x();
- nav1_dme_y = ils.get_dme_y();
- nav1_dme_z = ils.get_dme_z();
-
- if ( globals->get_soundmgr()->exists( "nav1-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-ident" );
- }
- FGSimpleSound *sound = morse.make_ident( nav1_ident );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-ident" );
-
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
- }
- } else if ( current_navlist->query( lon, lat, elev, nav1_freq, &nav ) ) {
- nav1_ident = nav.get_ident();
- if ( last_nav1_ident != nav1_ident ) {
- last_nav1_ident = nav1_ident;
- nav1_valid = true;
- nav1_loc = false;
- nav1_has_dme = nav.get_has_dme();
- nav1_has_gs = false;
- nav1_loclon = nav.get_lon();
- nav1_loclat = nav.get_lat();
- nav1_elev = nav.get_elev();
- nav1_magvar = nav.get_magvar();
- nav1_effective_range
- = kludgeRange(nav1_elev, elev, nav.get_range());
- nav1_target_gs = 0.0;
- nav1_radial = nav1_sel_radial;
- nav1_x = nav1_dme_x = nav.get_x();
- nav1_y = nav1_dme_y = nav.get_y();
- nav1_z = nav1_dme_z = nav.get_z();
-
- if ( globals->get_soundmgr()->exists( "nav1-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-ident" );
- }
- FGSimpleSound *sound = morse.make_ident( nav1_ident );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-ident" );
-
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- }
- } else {
- nav1_valid = false;
- nav1_ident = "";
- nav1_radial = 0;
- nav1_dme_dist = 0;
- globals->get_soundmgr()->remove( "nav1-ident" );
- // cout << "not picking up vor1. :-(" << endl;
- }
-
- if ( current_ilslist->query( lon, lat, elev, nav2_freq, &ils ) ) {
- nav2_ident = ils.get_locident();
- if ( last_nav2_ident != nav2_ident ) {
- last_nav2_ident = nav2_ident;
- nav2_valid = true;
- nav2_loc = true;
- nav2_has_dme = ils.get_has_dme();
- nav2_has_gs = ils.get_has_gs();
-
- nav2_loclon = ils.get_loclon();
- nav2_loclat = ils.get_loclat();
- nav2_elev = ils.get_gselev();
- nav2_magvar = 0;
- nav2_effective_range = FG_ILS_DEFAULT_RANGE;
- nav2_target_gs = ils.get_gsangle();
- nav2_radial = ils.get_locheading();
- while ( nav2_radial < 0.0 ) { nav2_radial += 360.0; }
- while ( nav2_radial > 360.0 ) { nav2_radial -= 360.0; }
- nav2_x = ils.get_x();
- nav2_y = ils.get_y();
- nav2_z = ils.get_z();
- nav2_gs_x = ils.get_gs_x();
- nav2_gs_y = ils.get_gs_y();
- nav2_gs_z = ils.get_gs_z();
- nav2_dme_x = ils.get_dme_x();
- nav2_dme_y = ils.get_dme_y();
- nav2_dme_z = ils.get_dme_z();
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
- }
- } else if ( current_navlist->query( lon, lat, elev, nav2_freq, &nav ) ) {
- nav2_ident = nav.get_ident();
- if ( last_nav2_ident != nav2_ident ) {
- last_nav2_ident = nav2_ident;
- nav2_valid = true;
- nav2_loc = false;
- nav2_has_dme = nav.get_has_dme();
- nav2_has_dme = false;
- nav2_loclon = nav.get_lon();
- nav2_loclat = nav.get_lat();
- nav2_elev = nav.get_elev();
- nav2_magvar = nav.get_magvar();
- nav2_effective_range
- = kludgeRange(nav2_elev, elev, nav.get_range());
- nav2_target_gs = 0.0;
- nav2_radial = nav2_sel_radial;
- nav2_x = nav2_dme_x = nav.get_x();
- nav2_y = nav2_dme_y = nav.get_y();
- nav2_z = nav2_dme_z = nav.get_z();
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- }
- } else {
- nav2_valid = false;
- nav2_ident = "";
- nav2_radial = 0;
- nav2_dme_dist = 0;
- // cout << "not picking up vor2. :-(" << endl;
- }
-
- // adf
- if ( current_navlist->query( lon, lat, elev, adf_freq, &nav ) ) {
- adf_valid = true;
-
- adf_lon = nav.get_lon();
- adf_lat = nav.get_lat();
- adf_elev = nav.get_elev();
- adf_effective_range = kludgeRange(adf_elev, elev, nav.get_range());
- adf_x = nav.get_x();
- adf_y = nav.get_y();
- adf_z = nav.get_z();
- // cout << "Found an adf station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- } else {
- adf_valid = false;
- // cout << "not picking up adf. :-(" << endl;
- }
-}
-
-
-// return the amount of heading needle deflection, returns a value
-// clamped to the range of ( -10 , 10 )
-double FGRadioStack::get_nav1_heading_needle_deflection() const {
- double r;
-
- if ( nav1_inrange ) {
- r = nav1_heading - nav1_radial;
- // cout << "Radial = " << nav1_radial
- // << " Bearing = " << nav1_heading << endl;
-
- while ( r > 180.0 ) { r -= 360.0;}
- while ( r < -180.0 ) { r += 360.0;}
- if ( fabs(r) > 90.0 ) {
- r = ( r<0.0 ? -r-180.0 : -r+180.0 );
- if ( nav1_loc ) {
- r = -r;
- }
- }
-
- // According to Robin Peel, the ILS is 4x more sensitive than a vor
- if ( nav1_loc ) { r *= 4.0; }
- if ( r < -10.0 ) { r = -10.0; }
- if ( r > 10.0 ) { r = 10.0; }
- } else {
- r = 0.0;
- }
-
- return r;
-}
-
-// return the amount of heading needle deflection, returns a value
-// clamped to the range of ( -10 , 10 )
-double FGRadioStack::get_nav2_heading_needle_deflection() const {
- double r;
-
- if ( nav2_inrange ) {
- r = nav2_heading - nav2_radial;
- // cout << "Radial = " << nav2_radial
- // << " Bearing = " << nav2_heading << endl;
-
- while (r> 180.0) r-=360.0;
- while (r<-180.0) r+=360.0;
- if ( fabs(r) > 90.0 )
- r = ( r<0.0 ? -r-180.0 : -r+180.0 );
- // According to Robin Peel, the ILS is 4x more sensitive than a vor
- if ( nav2_loc ) r *= 4.0;
- if ( r < -10.0 ) r = -10.0;
- if ( r > 10.0 ) r = 10.0;
- } else {
- r = 0.0;
- }
-
- return r;
-}
-
-// return the amount of glide slope needle deflection (.i.e. the
-// number of degrees we are off the glide slope * 5.0
-double FGRadioStack::get_nav1_gs_needle_deflection() const {
- if ( nav1_inrange && nav1_has_gs ) {
- double x = nav1_gs_dist;
- double y = (FGBFI::getAltitude() - nav1_elev) * FEET_TO_METER;
- double angle = atan2( y, x ) * RAD_TO_DEG;
- return (nav1_target_gs - angle) * 5.0;
- } else {
- return 0.0;
- }