1 // simple.hxx -- a really simplistic class to manage airport ID,
2 // lat, lon of the center of one of it's runways, and
5 // Written by Curtis Olson, started April 1998.
6 // Updated by Durk Talsma, started December 2004.
8 // Copyright (C) 1998 Curtis L. Olson - http://www.flightgear.org/~curt
10 // This program is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU General Public License as
12 // published by the Free Software Foundation; either version 2 of the
13 // License, or (at your option) any later version.
15 // This program is distributed in the hope that it will be useful, but
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // General Public License for more details.
20 // You should have received a copy of the GNU General Public License
21 // along with this program; if not, write to the Free Software
22 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #ifndef _FG_SIMPLE_HXX
28 #define _FG_SIMPLE_HXX
30 #include <simgear/compiler.h>
37 #include <simgear/math/point3d.hxx>
38 #include "Navaids/positioned.hxx"
41 class FGAirportDynamics;
44 typedef SGSharedPtr<FGRunway> FGRunwayPtr;
46 /***************************************************************************************
48 **************************************************************************************/
49 class FGAirport : public FGPositioned
52 SGGeod _tower_location;
55 FGAirportDynamics *_dynamics;
58 FGAirport(const std::string& id, const SGGeod& location, const SGGeod& tower,
59 const std::string& name, bool has_metar, Type aType);
62 const std::string& getId() const { return ident(); }
63 const std::string& getName() const { return _name; }
64 double getLongitude() const { return longitude(); }
66 double getLatitude() const { return latitude(); }
68 double getElevation() const { return elevation(); }
69 bool getMetar() const { return _has_metar; }
70 bool isAirport() const;
71 bool isSeaport() const;
72 bool isHeliport() const;
74 virtual const std::string& name() const
77 const SGGeod& getTowerLocation() const { return _tower_location; }
79 void setMetar(bool value) { _has_metar = value; }
81 FGRunway* getActiveRunwayForUsage() const;
83 FGAirportDynamics *getDynamics();
85 unsigned int numRunways() const;
86 FGRunway* getRunwayByIndex(unsigned int aIndex) const;
88 bool hasRunwayWithIdent(const std::string& aIdent) const;
89 FGRunway* getRunwayByIdent(const std::string& aIdent) const;
90 FGRunway* findBestRunwayForHeading(double aHeading) const;
93 * Useful predicate for FMS/GPS/NAV displays and similar - check if this
94 * aiport has a hard-surfaced runway of at least the specified length.
96 bool hasHardRunwayOfLengthFt(double aLengthFt) const;
98 unsigned int numTaxiways() const;
99 FGRunway* getTaxiwayByIndex(unsigned int aIndex) const;
101 void addRunway(FGRunway* aRunway);
103 class AirportFilter : public Filter
106 virtual bool pass(FGPositioned* aPos) const {
107 Type ty(aPos->type());
108 return (ty >= AIRPORT) && (ty <= SEAPORT);
112 class HardSurfaceFilter : public Filter
115 HardSurfaceFilter(double minLengthFt);
117 virtual bool pass(FGPositioned* aPos) const;
123 * Syntactic wrapper around FGPositioned::findClosest - find the closest
124 * match for filter, and return it cast to FGAirport. The default filter
125 * passes all airports, including seaports and heliports.
127 static FGAirport* findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter = NULL);
129 typedef std::vector<FGRunwayPtr>::const_iterator Runway_iterator;
131 * Helper to locate a runway by ident
133 Runway_iterator getIteratorForRunwayIdent(const std::string& aIdent) const;
135 FGAirport operator=(FGAirport &other);
136 FGAirport(const FGAirport&);
138 std::vector<FGRunwayPtr> mRunways;
139 std::vector<FGRunwayPtr> mTaxiways;
143 class FGAirportSearchFilter {
145 virtual ~FGAirportSearchFilter() {}
146 // all airports pass the filter by default
147 virtual bool pass(FGAirport*) { return true; }
150 typedef std::map < std::string, FGAirport* > airport_map;
151 typedef airport_map::iterator airport_map_iterator;
152 typedef airport_map::const_iterator const_airport_map_iterator;
154 typedef std::vector < FGAirport * > airport_list;
155 typedef airport_list::iterator airport_list_iterator;
156 typedef airport_list::const_iterator const_airport_list_iterator;
160 class FGAirportList {
163 airport_map airports_by_id;
164 airport_list airports_array;
173 // add an entry to the list
174 FGAirport* add( const std::string& id, const SGGeod& location, const SGGeod& tower,
175 const std::string& name, bool has_metar, FGPositioned::Type aType);
177 // search for the specified id.
178 // Returns NULL if unsucessfull.
179 FGAirport* search( const std::string& id );
181 // search for the airport closest to the specified position
182 // (currently a linear inefficient search so it's probably not
183 // best to use this at runtime.) An FGAirportSearchFilter class
184 // can be used to restrict the possible choices to a subtype.
185 // max_range limits search - specified as an arc distance, in degrees
186 FGAirport* search( double lon_deg, double lat_deg, double max_range );
187 FGAirport* search( double lon_deg, double lat_deg, double max_range, FGAirportSearchFilter& );
190 * Return the number of airports in the list.
195 * Return a specific airport, by position.
197 const FGAirport *getAirport( unsigned int index ) const;
200 * Mark the specified airport record as not having metar
202 void no_metar( const std::string &id );
205 * Mark the specified airport record as (yes) having metar
207 void has_metar( const std::string &id );
211 // find basic airport location info from airport database
212 const FGAirport *fgFindAirportID( const std::string& id);
214 // get airport elevation
215 double fgGetAirportElev( const std::string& id );
217 // get airport position
218 Point3D fgGetAirportPos( const std::string& id );
220 #endif // _FG_SIMPLE_HXX