-#include <simgear/misc/fgpath.hxx>
+// 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 <simgear/misc/sg_path.hxx>
#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 navs;
- FGPath p_nav( "/home/curt/FlightGear/Navaids/default.nav" );
- navs.init( p_nav );
- FGNav n;
- if ( navs.query( -93.2, 45.14, 3000, 117.30,
- &n, &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;
- cout << " heading = " << heading << " dist = " << dist << endl;
+ cout << " id = " << n->get_ident() << endl;
} else {
cout << "not picking up vor. :-(" << endl;
}
- FGILSList ilslist;
- FGPath p_ils( "/home/curt/FlightGear/Navaids/default.ils" );
- ilslist.init( p_ils );
- FGILS i;
- if ( ilslist.query( -93.1, 45.24, 3000, 110.30,
- &i, &heading, &dist) ) {
+ 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;
- cout << " heading = " << heading << " dist = " << dist << endl;
+ cout << " apt = " << i->get_aptcode() << endl;
+ cout << " rwy = " << i->get_rwyno() << endl;
} else {
cout << "not picking up ils. :-(" << endl;
}
- FGFixList fixlist;
- FGPath p_fix( "/home/curt/FlightGear/Navaids/default.fix" );
- fixlist.init( p_fix );
+ FGFixList *current_fixlist = new FGFixList;
+ SGPath p_fix( FG_DATA_DIR + "/Navaids/default.fix" );
+ current_fixlist->init( p_fix );
FGFix fix;
- if ( fixlist.query( "GONER", -82, 41, 3000,
- &fix, &heading, &dist) ) {
+
+ // 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 << endl;
+ cout << " heading = " << heading << " dist = " << dist * SG_METER_TO_NM
+ << endl;
} else {
cout << "did not find fix. :-(" << endl;
}