2 * routePath.hxx - convert a route to straight line segments, for graphical
6 // Written by James Turner, started 2010.
8 // Copyright (C) 2010 Curtis L. Olson
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.
24 #ifndef FG_ROUTE_PATH_HXX
25 #define FG_ROUTE_PATH_HXX
27 #include <Navaids/route.hxx>
34 typedef std::vector<SGGeod> SGGeodVec;
39 RoutePath(const flightgear::WayptVec& wpts);
41 SGGeodVec pathForIndex(int index) const;
43 SGGeod positionForIndex(int index) const;
48 SGGeodVec pathForHold(flightgear::Hold* hold) const;
50 bool computedPositionForIndex(int index, SGGeod& pos) const;
51 double computeAltitudeForIndex(int index) const;
52 double computeTrackForIndex(int index) const;
55 * Find the distance (in Nm) to climb/descend a height in feet
57 double distanceForClimb(double climbFt) const;
59 double magVarFor(const SGGeod& gd) const;
61 flightgear::WayptVec _waypts;
63 int _pathClimbFPM; ///< climb-rate to use for pathing
64 int _pathDescentFPM; ///< descent rate to use (feet-per-minute)
65 int _pathIAS; ///< IAS (knots) to use for pathing
66 double _pathTurnRate; ///< degrees-per-second, defaults to 3, i.e 180 in a minute