noinst_PROGRAMS = testnavs
libNavAids_a_SOURCES = \
+ fix.hxx fixlist.hxx fixlist.cxx \
ils.hxx ilslist.hxx ilslist.cxx \
nav.hxx navlist.hxx navlist.cxx
--- /dev/null
+// fix.hxx -- fix 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_FIX_HXX
+#define _FG_FIX_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
+
+#include STL_STRING
+FG_USING_STD(string);
+
+
+class FGFix {
+
+ string ident;
+ double lon, lat;
+
+public:
+
+ inline FGFix(void) {}
+ inline ~FGFix(void) {}
+
+ inline string get_ident() const { return ident; }
+ inline double get_lon() const { return lon; }
+ inline double get_lat() const { return lat; }
+
+ friend istream& operator>> ( istream&, FGFix& );
+};
+
+
+inline istream&
+operator >> ( istream& in, FGFix& f )
+{
+ in >> f.ident >> f.lat >> f.lon;
+
+ // cout << "id = " << f.ident << endl;
+
+ // return in >> skipeol;
+ return in;
+}
+
+
+#endif // _FG_FIX_HXX
--- /dev/null
+// fixlist.cxx -- fix list 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/debug/logstream.hxx>
+#include <simgear/misc/fgstream.hxx>
+#include <simgear/math/fg_geodesy.hxx>
+
+#include "fixlist.hxx"
+
+
+// Constructor
+FGFixList::FGFixList( void ) {
+}
+
+
+// Destructor
+FGFixList::~FGFixList( void ) {
+}
+
+
+// load the navaids and build the map
+bool FGFixList::init( FGPath path ) {
+ FGFix fix;
+
+ fixlist.erase( fixlist.begin(), fixlist.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' && fix.get_ident() != "[End]" ) {
+ in.putback(c);
+ in >> fix;
+ if ( fix.get_ident() != "[End]" ) {
+ fixlist[fix.get_ident()] = fix;
+ }
+ in >> skipcomment;
+ }
+
+#else
+
+ while ( ! in.eof() && fix.get_ident() != "[End]" ) {
+ in >> fix;
+ /* 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 ( fix.get_ident() != "[End]" ) {
+ fixlist[fix.get_ident()] = fix;
+ }
+ in >> skipcomment;
+ }
+
+#endif
+
+ return true;
+}
+
+
+// query the database for the specified frequency, lon and lat are in
+// degrees, elev is in meters
+bool FGFixList::query( const string& ident, double lon, double lat, double elev,
+ FGFix *fix, double *heading, double *dist )
+{
+ *fix = fixlist[ident];
+ if ( fix->get_ident() == "" ) {
+ return false;
+ }
+
+ double az1, az2, s;
+ geo_inverse_wgs_84( elev, lat, lon,
+ fix->get_lat(), fix->get_lon(),
+ &az1, &az2, &s );
+ // cout << " dist = " << s << endl;
+ *heading = az2;
+ *dist = s;
+ return true;
+}
--- /dev/null
+// fixlist.hxx -- fix list 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_FIXLIST_HXX
+#define _FG_FIXLIST_HXX
+
+
+#include <simgear/compiler.h>
+#include <simgear/misc/fgpath.hxx>
+
+#include <map>
+#include <vector>
+#include STL_STRING
+
+#include "fix.hxx"
+
+FG_USING_STD(map);
+FG_USING_STD(vector);
+FG_USING_STD(string);
+
+
+class FGFixList {
+
+ typedef map < string, FGFix, less<string> > fix_map_type;
+ typedef fix_map_type::iterator fix_map_iterator;
+ typedef fix_map_type::const_iterator fix_map_const_iterator;
+
+ fix_map_type fixlist;
+
+public:
+
+ FGFixList();
+ ~FGFixList();
+
+ // load the navaids and build the map
+ bool init( FGPath path );
+
+ // query the database for the specified frequency, lon and lat are
+ // in degrees, elev is in meters
+ bool query( const string& ident, double lon, double lat, double elev,
+ FGFix *f, double *heading, double *dist);
+};
+
+
+#endif // _FG_FIXLIST_HXX
#include <simgear/misc/fgpath.hxx>
+#include "fixlist.hxx"
#include "ilslist.hxx"
#include "navlist.hxx"
} else {
cout << "not picking up ils. :-(" << endl;
}
+
+ FGFixList fixlist;
+ FGPath p_fix( "/home/curt/FlightGear/Navaids/default.fix" );
+ fixlist.init( p_fix );
+ FGFix fix;
+ if ( fixlist.query( "GONER", -82, 41, 3000,
+ &fix, &heading, &dist) ) {
+ cout << "Found a matching fix" << endl;
+ cout << " id = " << fix.get_ident() << endl;
+ cout << " heading = " << heading << " dist = " << dist << endl;
+ } else {
+ cout << "did not find fix. :-(" << endl;
+ }
}
projects / flightgear.git / commitdiff