2 // simple.cxx -- a really simplistic class to manage airport ID,
3 // lat, lon of the center of one of it's runways, and
6 // Written by Curtis Olson, started April 1998.
7 // Updated by Durk Talsma, started December, 2004.
9 // Copyright (C) 1998 Curtis L. Olson - http://www.flightgear.org/~curt
11 // This program is free software; you can redistribute it and/or
12 // modify it under the terms of the GNU General Public License as
13 // published by the Free Software Foundation; either version 2 of the
14 // License, or (at your option) any later version.
16 // This program is distributed in the hope that it will be useful, but
17 // WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 // General Public License for more details.
21 // You should have received a copy of the GNU General Public License
22 // along with this program; if not, write to the Free Software
23 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
34 #include <simgear/compiler.h>
39 #include <Environment/environment_mgr.hxx>
40 #include <Environment/environment.hxx>
41 #include <simgear/misc/sg_path.hxx>
42 #include <simgear/props/props.hxx>
43 #include <simgear/structure/subsystem_mgr.hxx>
44 //#include <simgear/route/waypoint.hxx>
45 #include <simgear/debug/logstream.hxx>
46 #include <Main/globals.hxx>
47 #include <Main/fg_props.hxx>
48 #include <Airports/runways.hxx>
53 #include "xmlloader.hxx"
56 SG_USING_STD(random_shuffle);
61 /***************************************************************************
63 ***************************************************************************/
64 FGAirport::FGAirport() : _dynamics(0)
68 FGAirport::FGAirport(const string &id, const SGGeod& location, const SGGeod& tower_location,
69 const string &name, bool has_metar, bool is_airport, bool is_seaport,
73 _tower_location(tower_location),
75 _has_metar(has_metar),
76 _is_airport(is_airport),
77 _is_seaport(is_seaport),
78 _is_heliport(is_heliport),
84 FGAirport::~FGAirport()
90 FGAirportDynamics * FGAirport::getDynamics()
95 //cerr << "Trying to load dynamics for " << _id << endl;
96 _dynamics = new FGAirportDynamics(this);
97 XMLLoader::load(_dynamics);
99 FGRunwayPreference rwyPrefs(this);
100 XMLLoader::load(&rwyPrefs);
101 _dynamics->setRwyUse(rwyPrefs);
110 /******************************************************************************
112 *****************************************************************************/
114 // Populates a list of subdirectories of $FG_ROOT/Airports/AI so that
115 // the add() method doesn't have to try opening 2 XML files in each of
116 // thousands of non-existent directories. FIXME: should probably add
117 // code to free this list after parsing of apt.dat is finished;
118 // non-issue at the moment, however, as there are no AI subdirectories
119 // in the base package.
121 // Note: 2005/12/23: This is probably not necessary anymore, because I'm
122 // Switching to runtime airport dynamics loading (DT).
123 FGAirportList::FGAirportList()
127 // SGPath aid( globals->get_fg_root() );
128 // aid.append( "/Airports/AI" );
129 // if((d = ulOpenDir(aid.c_str())) == NULL)
131 // while((dent = ulReadDir(d)) != NULL) {
132 // SG_LOG( SG_GENERAL, SG_DEBUG, "Dent: " << dent->d_name );
133 // ai_dirs.insert(dent->d_name);
139 FGAirportList::~FGAirportList( void )
141 for (unsigned int i = 0; i < airports_array.size(); ++i) {
142 delete airports_array[i];
147 // add an entry to the list
148 void FGAirportList::add( const string &id, const SGGeod& location, const SGGeod& tower_location,
149 const string &name, bool has_metar, bool is_airport, bool is_seaport,
152 FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar,
153 is_airport, is_seaport, is_heliport);
155 airports_by_id[a->getId()] = a;
156 // try and read in an auxilary file
158 airports_array.push_back( a );
159 SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << location.getLongitudeDeg()
160 << ", " << location.getLatitudeDeg() << " elev = " << location.getElevationFt() );
164 // search for the specified id
165 FGAirport* FGAirportList::search( const string& id)
167 airport_map_iterator itr = airports_by_id.find(id);
168 return (itr == airports_by_id.end() ? NULL : itr->second);
172 // search for first subsequent alphabetically to supplied id
173 const FGAirport* FGAirportList::findFirstById( const string& id, bool exact )
175 airport_map_iterator itr;
177 itr = airports_by_id.find(id);
179 itr = airports_by_id.lower_bound(id);
181 if (itr == airports_by_id.end()) {
184 return (itr->second);
189 // search for the airport nearest the specified position
190 FGAirport* FGAirportList::search(double lon_deg, double lat_deg)
192 static FGAirportSearchFilter accept_any;
193 return search(lon_deg, lat_deg, accept_any);
197 // search for the airport nearest the specified position and
198 // passing the filter
199 FGAirport* FGAirportList::search(double lon_deg, double lat_deg,
200 FGAirportSearchFilter& filter)
202 double min_dist = 360.0;
203 airport_list_iterator it = airports_array.begin();
204 airport_list_iterator end = airports_array.end();
205 airport_list_iterator closest = end;
206 for (; it != end; ++it) {
207 if (!filter.pass(*it))
210 // crude manhatten distance based on lat/lon difference
211 double d = fabs(lon_deg - (*it)->getLongitude())
212 + fabs(lat_deg - (*it)->getLatitude());
218 return closest != end ? *closest : 0;
223 FGAirportList::size () const
225 return airports_array.size();
229 const FGAirport *FGAirportList::getAirport( unsigned int index ) const
231 if (index < airports_array.size()) {
232 return(airports_array[index]);
240 * Mark the specified airport record as not having metar
242 void FGAirportList::no_metar( const string &id )
244 if(airports_by_id.find(id) != airports_by_id.end()) {
245 airports_by_id[id]->setMetar(false);
251 * Mark the specified airport record as (yes) having metar
253 void FGAirportList::has_metar( const string &id )
255 if(airports_by_id.find(id) != airports_by_id.end()) {
256 airports_by_id[id]->setMetar(true);
261 // find basic airport location info from airport database
262 const FGAirport *fgFindAirportID( const string& id)
264 const FGAirport* result = NULL;
266 SG_LOG( SG_GENERAL, SG_BULK, "Searching for airport code = " << id );
268 result = globals->get_airports()->search( id );
270 if ( result == NULL ) {
271 SG_LOG( SG_GENERAL, SG_ALERT,
272 "Failed to find " << id << " in apt.dat.gz" );
278 SG_LOG( SG_GENERAL, SG_BULK,
279 "Position for " << id << " is ("
280 << result->getLongitude() << ", "
281 << result->getLatitude() << ")" );
287 // get airport elevation
288 double fgGetAirportElev( const string& id )
290 SG_LOG( SG_GENERAL, SG_BULK,
291 "Finding elevation for airport: " << id );
293 const FGAirport *a=fgFindAirportID( id);
295 return a->getElevation();
302 // get airport position
303 Point3D fgGetAirportPos( const string& id )
305 SG_LOG( SG_ATC, SG_BULK,
306 "Finding position for airport: " << id );
308 const FGAirport *a = fgFindAirportID( id);
311 return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation());
313 return Point3D(0.0, 0.0, -9999.0);