1 // runways.hxx -- a simple class to manage airport runway info
3 // Written by Curtis Olson, started August 2000.
5 // Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef _FG_RUNWAYS_HXX
25 #define _FG_RUNWAYS_HXX
29 # error This library requires C++
37 #include <simgear/compiler.h>
43 SG_USING_STD(multimap);
47 bool operator()(const string s1, const string s2) const {
69 double end1_displaced_threshold;
70 double end2_displaced_threshold;
77 typedef multimap < string, FGRunway, ltstr > runway_map;
78 typedef runway_map::iterator runway_map_iterator;
79 typedef runway_map::const_iterator const_runway_map_iterator;
86 runway_map_iterator current;
91 FGRunwayList( const string& file );
96 // search for the specified apt id.
97 // Returns true if successful, otherwise returns false.
98 // On success, runway data is returned thru "runway" pointer.
99 // "runway" is not changed if "apt" is not found.
100 bool search( const string& aptid, FGRunway* runway );
101 bool search( const string& aptid, const string& rwyno, FGRunway* runway );
103 // DCL - search for runway closest to desired heading in degrees
104 bool search( const string& aptid, const int hdg, FGRunway* runway );
106 // Return the runway number of the runway closest to a given heading
107 string search( const string& aptid, const int tgt_hdg );
109 FGRunway search( const string& aptid );
110 bool next( FGRunway* runway );
115 #endif // _FG_RUNWAYS_HXX