--- /dev/null
+noinst_LIBRARIES = libNavAids.a
+
+noinst_PROGRAMS = testnavs
+
+libNavAids_a_SOURCES = navaid.hxx navaids.hxx navaids.cxx
+
+testnavs_SOURCES = testnavs.cxx
+testnavs_LDADD = libNavAids.a -lsgdebug -lsgmisc -lz
+
+INCLUDES += -I$(top_builddir) -I$(top_builddir)/src
--- /dev/null
+// navaid.cxx -- navaid class
+//
+// Written by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#include "navaid.hxx"
--- /dev/null
+// navaid.hxx -- navaid class
+//
+// Written by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifndef _FG_NAVAID_HXX
+#define _FG_NAVAID_HXX
+
+
+#include <simgear/compiler.h>
+#include <simgear/misc/fgstream.hxx>
+
+#ifdef FG_HAVE_STD_INCLUDES
+# include <istream>
+#elif defined( FG_HAVE_NATIVE_SGI_COMPILERS )
+# include <iostream.h>
+#elif defined( __BORLANDC__ )
+# include <iostream>
+#else
+# include <istream.h>
+#endif
+
+#if ! defined( FG_HAVE_NATIVE_SGI_COMPILERS )
+FG_USING_STD(istream);
+#endif
+
+
+class FGNavAid {
+
+ char type;
+ double lon, lat;
+ double elev;
+ int freq;
+ int range;
+ bool dme;
+ char ident[5];
+
+public:
+
+ inline FGNavAid(void) {}
+ inline ~FGNavAid(void) {}
+
+ inline char get_type() const { return type; }
+ inline double get_lon() const { return lon; }
+ inline double get_lat() const { return lat; }
+ inline double get_elev() const { return elev; }
+ inline int get_freq() const { return freq; }
+ inline int get_range() const { return range; }
+ inline bool get_dme() const { return dme; }
+ inline char *get_ident() { return ident; }
+
+ inline void set_type( char t ) { type = t; }
+ inline void set_lon( double l ) { lon = l; }
+ inline void set_lat( double l ) { lat = l; }
+ inline void set_elev( double e ) { elev = e; }
+ inline void set_freq( int f ) { freq = f; }
+ inline void set_range( int r ) { range = r; }
+ inline void set_dme( bool b ) { dme = b; }
+ inline void set_ident( char *i ) { strncpy( ident, i, 5 ); }
+
+ friend istream& operator>> ( istream&, FGNavAid& );
+};
+
+
+inline istream&
+operator >> ( istream& in, FGNavAid& n )
+{
+ double f;
+ char c;
+ in >> n.type >> n.lon >> n.lat >> n.elev >> f >> n.range
+ >> c >> n.ident;
+
+ n.freq = (int)(f * 100.0);
+ if ( c == 'Y' ) {
+ n.dme = true;
+ } else {
+ n.dme = false;
+ }
+
+ return in >> skipeol;
+}
+
+
+#endif // _FG_NAVAID_HXX
--- /dev/null
+// navaids.cxx -- navaids management class
+//
+// Written by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#include <simgear/misc/fgstream.hxx>
+#include <simgear/debug/logstream.hxx>
+
+#include "navaids.hxx"
+
+
+// Constructor
+FGNavAids::FGNavAids( void ) {
+}
+
+
+// Destructor
+FGNavAids::~FGNavAids( void ) {
+}
+
+
+// load the navaids and build the map
+bool FGNavAids::init( FGPath path ) {
+ FGNavAid n;
+
+ navaids.erase( navaids.begin(), navaids.end() );
+
+ fg_gzifstream in( path.str() );
+ if ( !in.is_open() ) {
+ FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
+ }
+
+ // read in each line of the file
+
+ in >> skipeol;
+ in >> skipcomment;
+
+#ifdef __MWERKS__
+
+ char c = 0;
+ while ( in.get(c) && c != '\0' && n.get_type() != '[' ) {
+ in.putback(c);
+ in >> n;
+ if ( n.get_type() != '[' ) {
+ navaids[n.get_freq()].push_back(n);
+ }
+ in >> skipcomment;
+ }
+
+#else
+
+ while ( ! in.eof() && n.get_type() != '[' ) {
+ in >> n;
+ /* cout << "id = " << n.get_ident() << endl;
+ cout << " type = " << n.get_type() << endl;
+ cout << " lon = " << n.get_lon() << endl;
+ cout << " lat = " << n.get_lat() << endl;
+ cout << " elev = " << n.get_elev() << endl;
+ cout << " freq = " << n.get_freq() << endl;
+ cout << " range = " << n.get_range() << endl; */
+ if ( n.get_type() != '[' ) {
+ navaids[n.get_freq()].push_back(n);
+ }
+ in >> skipcomment;
+ }
+
+#endif
+
+ return true;
+}
--- /dev/null
+// navaids.hxx -- navaids management class
+//
+// Written by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+
+
+#ifndef _FG_NAVAIDS_HXX
+#define _FG_NAVAIDS_HXX
+
+
+#include <simgear/compiler.h>
+#include <simgear/misc/fgpath.hxx>
+
+#include <map>
+#include <vector>
+
+#include "navaid.hxx"
+
+FG_USING_STD(map);
+FG_USING_STD(vector);
+
+
+// convenience types
+typedef vector < FGNavAid > nav_list_type;
+typedef nav_list_type::iterator nav_list_iterator;
+typedef nav_list_type::const_iterator nav_list_const_iterator;
+
+typedef map < int, nav_list_type, less<int> > nav_map_type;
+typedef nav_map_type::iterator nav_map_iterator;
+typedef nav_map_type::const_iterator nav_map_const_iterator;
+
+class FGNavAids {
+
+ nav_map_type navaids;
+
+public:
+
+ FGNavAids();
+ ~FGNavAids();
+
+ // load the navaids and build the map
+ bool init( FGPath path );
+
+ // query the database for the specified frequency
+ FGNavAid query( double lon, double lat, int freq );
+};
+
+
+#endif // _FG_NAVAIDS_HXX
--- /dev/null
+#include <simgear/misc/fgpath.hxx>
+
+#include "navaids.hxx"
+
+int main() {
+ FGNavAids navs;
+
+ FGPath p( "/home/curt/FlightGear/Navaids/default.nav.gz" );
+
+ navs.init( p );
+}