1 // runwaybase.cxx -- a base class for runways and taxiways
3 // Written by James Turner, started December 2008.
5 // Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
28 #include <simgear/compiler.h>
29 #include <simgear/props/props.hxx>
31 #include "runwaybase.hxx"
43 * 7 - concrete helipad
48 const char * FGRunwayBase::surfaceName( int surface_code )
50 switch( surface_code ) {
51 case 1: return "asphalt";
52 case 2: return "concrete";
53 case 3: return "turf";
54 case 4: return "dirt";
55 case 5: return "gravel";
56 case 6: return "asphalt helipad";
57 case 7: return "concrete helipad";
58 case 8: return "turf helipad";
59 case 9: return "dirt helipad";
60 case 12: return "lakebed";
61 default: return "unknown";
65 FGRunwayBase::FGRunwayBase(PositionedID aGuid, Type aTy, const string& aIdent,
67 const double heading, const double length,
69 const int surface_code) :
70 FGPositioned(aGuid, aTy, aIdent, aGeod)
75 _surface_code = surface_code;
78 SGGeod FGRunwayBase::pointOnCenterline(double aOffset) const
80 SGGeod result = SGGeodesy::direct(geod(), _heading, aOffset);
81 result.setElevationM(geod().getElevationM());
86 SGGeod FGRunwayBase::pointOffCenterline(double aOffset, double lateralOffset) const
92 SGGeodesy::direct(geod(), _heading, aOffset, temp, dummyAz2);
94 SGGeodesy::direct(temp, SGMiscd::normalizePeriodic(0, 360,_heading+90.0),
102 bool FGRunwayBase::isHardSurface() const
104 return ((_surface_code == 1) || (_surface_code == 2));
107 FGTaxiway::FGTaxiway(PositionedID aGuid,
108 const string& aIdent,
110 const double heading, const double length,
112 const int surface_code) :
113 FGRunwayBase(aGuid, TAXIWAY, aIdent, aGeod, heading, length, width, surface_code)