// Written by James Turner, started 2009. // // Copyright (C) 2009 Curtis L. Olson // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. #include #include "fixlist.hxx" #include "ilslist.hxx" #include "navlist.hxx" #include "mkrbeacons.hxx" // change this! const string FG_DATA_DIR("/usr/local/lib/FlightGear"); int main() { double heading, dist; FGNavList *current_navlist = new FGNavList; SGPath p_nav( FG_DATA_DIR + "/Navaids/default.nav" ); current_navlist->init( p_nav ); FGNavRecord *n; if ( (n = current_navlist->findByFreq( -93.2 * SG_DEGREES_TO_RADIANS, 45.14 * SG_DEGREES_TO_RADIANS, 3000, 117.30)) != NULL ) { cout << "Found a vor station in range" << endl; cout << " id = " << n->get_ident() << endl; } else { cout << "not picking up vor. :-(" << endl; } FGNavRecord *dcs; if ( (dcs = current_navlist->findByIdent( "DCS", -3.3 * SG_DEGREES_TO_RADIANS, 55.9 * SG_DEGREES_TO_RADIANS)) != NULL ) { cout << "Found DCS by ident" << endl; if (dcs->get_freq() != 11520) cout << "Frequency for DCS VOR is wrong (should be 115.20), it's " << dcs->get_freq() << endl; } else { cout << "couldn't locate DCS (Dean-Cross) VOR" << endl; } // we have to init the marker beacon storage before we parse the ILS file FGMarkerBeacons *current_beacons = new FGMarkerBeacons; current_beacons->init(); FGILSList *current_ilslist = new FGILSList; SGPath p_ils( FG_DATA_DIR + "/Navaids/default.ils" ); current_ilslist->init( p_ils ); FGILS *i = current_ilslist->findByFreq( -93.1 * SG_DEGREES_TO_RADIANS, 45.24 * SG_DEGREES_TO_RADIANS, 3000, 110.30); if ( i != NULL ) { cout << "Found an ils station in range" << endl; cout << " apt = " << i->get_aptcode() << endl; cout << " rwy = " << i->get_rwyno() << endl; } else { cout << "not picking up ils. :-(" << endl; } FGFixList *current_fixlist = new FGFixList; SGPath p_fix( FG_DATA_DIR + "/Navaids/default.fix" ); current_fixlist->init( p_fix ); FGFix fix; // attempting to get the position relative to the OTR VOR; heading // should be 108 degrees, distance 74nm (according to my SimCharts // v1.5) if ( current_fixlist->query_and_offset( "DOGGA", -0.103 * SG_DEGREES_TO_RADIANS, 53.698 * SG_DEGREES_TO_RADIANS, 3000, &fix, &heading, &dist) ) { cout << "Found a matching fix" << endl; cout << " id = " << fix.get_ident() << endl; cout << " heading = " << heading << " dist = " << dist * SG_METER_TO_NM << endl; } else { cout << "did not find fix. :-(" << endl; } }