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Added ils loader.

This commit is contained in:
curt 2000-04-21 18:00:47 +00:00
parent a759908c76
commit abc61895ed
6 changed files with 336 additions and 12 deletions

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@ -2,7 +2,9 @@ noinst_LIBRARIES = libNavAids.a
noinst_PROGRAMS = testnavs
libNavAids_a_SOURCES = nav.hxx navlist.hxx navlist.cxx
libNavAids_a_SOURCES = \
ils.hxx ilslist.hxx ilslist.cxx \
nav.hxx navlist.hxx navlist.cxx
testnavs_SOURCES = testnavs.cxx
testnavs_LDADD = libNavAids.a -lsgdebug -lsgmath -lsgmisc -lz

122
src/Navaids/ils.hxx Normal file
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@ -0,0 +1,122 @@
// ils.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_ILS_HXX
#define _FG_ILS_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
#define FG_ILS_DEFAULT_RANGE 30
class FGILS {
char ilstype;
char ilstypename[6];
char aptcode[5];
char rwyno[4];
int locfreq;
char locident[5];
double locheading;
double loclat;
double loclon;
double gselev;
double gsangle;
double gslat;
double gslon;
double dmelat;
double dmelon;
double omlat;
double omlon;
double mmlat;
double mmlon;
double imlat;
double imlon;
public:
inline FGILS(void) {}
inline ~FGILS(void) {}
inline char get_ilstype() const { return ilstype; }
inline char *get_ilstypename() { return ilstypename; }
inline char *get_aptcode() { return aptcode; }
inline char *get_rwyno() { return rwyno; }
inline int get_locfreq() const { return locfreq; }
inline char *get_locident() { return locident; }
inline double get_locheading() const { return locheading; }
inline double get_loclat() const { return loclat; }
inline double get_loclon() const { return loclon; }
inline double get_gsangle() const { return gsangle; }
inline double get_gslat() const { return gslat; }
inline double get_gslon() const { return gslon; }
inline double get_dmelat() const { return dmelat; }
inline double get_dmelon() const { return dmelon; }
inline double get_omlat() const { return omlat; }
inline double get_omlon() const { return omlon; }
inline double get_mmlat() const { return mmlat; }
inline double get_mmlon() const { return mmlon; }
inline double get_imlat() const { return imlat; }
inline double get_imlon() const { return imlon; }
friend istream& operator>> ( istream&, FGILS& );
};
inline istream&
operator >> ( istream& in, FGILS& i )
{
double f;
in >> i.ilstype >> i.ilstypename >> i.aptcode >> i.rwyno
>> f >> i.locident >> i.locheading >> i.loclat >> i.loclon
>> i.gselev >> i.gsangle >> i.gslat >> i.gslon
>> i.dmelat >> i.dmelon
>> i.omlat >> i.omlon
>> i.mmlat >> i.mmlon
>> i.imlat >> i.imlon;
i.locfreq = (int)(f * 100.0);
// return in >> skipeol;
return in;
}
#endif // _FG_NAVAID_HXX

119
src/Navaids/ilslist.cxx Normal file
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@ -0,0 +1,119 @@
// ilslist.cxx -- ils 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 "ilslist.hxx"
// Constructor
FGILSList::FGILSList( void ) {
}
// Destructor
FGILSList::~FGILSList( void ) {
}
// load the navaids and build the map
bool FGILSList::init( FGPath path ) {
FGILS ils;
ilslist.erase( ilslist.begin(), ilslist.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_ilstype() != '[' ) {
in.putback(c);
in >> ils;
if ( ils.get_type() != '[' ) {
ilslist[ils.get_locfreq()].push_back(ils);
}
in >> skipcomment;
}
#else
while ( ! in.eof() && ils.get_ilstype() != '[' ) {
in >> ils;
/* 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 ( ils.get_ilstype() != '[' ) {
ilslist[ils.get_locfreq()].push_back(ils);
}
in >> skipcomment;
}
#endif
return true;
}
// query the database for the specified frequency, lon and lat are in
// degrees, elev is in meters
bool FGILSList::query( double lon, double lat, double elev, double freq,
FGILS *ils, double *heading, double *dist )
{
ils_list_type stations = ilslist[(int)(freq*100.0)];
ils_list_iterator current = stations.begin();
ils_list_iterator last = stations.end();
double az1, az2, s;
for ( ; current != last ; ++current ) {
// cout << "testing " << current->get_ident() << endl;
geo_inverse_wgs_84( elev, lat, lon,
current->get_loclat(), current->get_loclon(),
&az1, &az2, &s );
// cout << " dist = " << s << endl;
if ( s < ( FG_ILS_DEFAULT_RANGE * NM_TO_METER ) ) {
*ils = *current;
*heading = az2;
*dist = s;
return true;
}
}
return false;
}

68
src/Navaids/ilslist.hxx Normal file
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@ -0,0 +1,68 @@
// ilslist.hxx -- ils 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_ILSLIST_HXX
#define _FG_ILSLIST_HXX
#include <simgear/compiler.h>
#include <simgear/misc/fgpath.hxx>
#include <map>
#include <vector>
#include "ils.hxx"
FG_USING_STD(map);
FG_USING_STD(vector);
class FGILSList {
// convenience types
typedef vector < FGILS > ils_list_type;
typedef ils_list_type::iterator ils_list_iterator;
typedef ils_list_type::const_iterator ils_list_const_iterator;
typedef map < int, ils_list_type, less<int> > ils_map_type;
typedef ils_map_type::iterator ils_map_iterator;
typedef ils_map_type::const_iterator ils_map_const_iterator;
ils_map_type ilslist;
public:
FGILSList();
~FGILSList();
// 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( double lon, double lat, double elev, double freq,
FGILS *i, double *heading, double *dist);
};
#endif // _FG_ILSLIST_HXX

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@ -67,14 +67,14 @@ public:
inline bool get_dme() const { return dme; }
inline char *get_ident() { return ident; }
inline void set_type( char t ) { type = t; }
/* 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 ); }
inline void set_ident( char *i ) { strncpy( ident, i, 5 ); } */
friend istream& operator>> ( istream&, FGNav& );
};

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@ -1,22 +1,35 @@
#include <simgear/misc/fgpath.hxx>
#include "ilslist.hxx"
#include "navlist.hxx"
int main() {
FGNavList navs;
FGPath p( "/export/data2/curt/FlightGear/Navaids/default.nav" );
navs.init( p );
FGNav n;
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) ) {
cout << "Found a station in range" << endl;
cout << "Found a vor station in range" << endl;
cout << " id = " << n.get_ident() << endl;
cout << " heading = " << heading << " dist = " << dist << endl;
} else {
cout << "not picking anything up. :-(" << endl;
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) ) {
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;
} else {
cout << "not picking up ils. :-(" << endl;
}
}