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Encapsulate the interpolstion version of FGEnvironment and fix some bugs
[flightgear.git] / src / FDM / JSBSim / FGMassBalance.h
1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2
3  Header:       FGMassBalance.h
4  Author:       Jon S. Berndt
5  Date started: 09/12/2000
6
7  ------------- Copyright (C) 2000  Jon S. Berndt (jsb@hal-pc.org) --------------
8
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
17  details.
18
19  You should have received a copy of the GNU General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA  02111-1307, USA.
22
23  Further information about the GNU General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25
26 HISTORY
27 --------------------------------------------------------------------------------
28 09/12/2000  JSB  Created
29
30 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
31 SENTRY
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
33
34 #ifndef FGMASSBALANCE_H
35 #define FGMASSBALANCE_H
36
37 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 INCLUDES
39 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
40
41 #include "FGModel.h"
42 #include "FGPropulsion.h"
43 #include <vector>
44
45 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
46 DEFINITIONS
47 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
48
49 #define ID_MASSBALANCE "$Id$"
50
51 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
52 FORWARD DECLARATIONSS
53 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
54
55 namespace JSBSim {
56
57 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
58 CLASS DOCUMENTATION
59 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
60
61 /** Models weight and balance information.
62   */
63
64 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
65 CLASS DECLARATION
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
67
68 class FGMassBalance : public FGModel
69 {
70
71 public:
72   FGMassBalance(FGFDMExec*);
73   ~FGMassBalance();
74
75   bool Run(void);
76
77   inline double GetMass(void) const {return Mass;}
78   inline double GetWeight(void) const {return Weight;}
79   inline double GetIxx(void) const {return Ixx;}
80   inline double GetIyy(void) const {return Iyy;}
81   inline double GetIzz(void) const {return Izz;}
82   inline double GetIxy(void) const {return Ixy;}
83   inline double GetIxz(void) const {return Ixz;}
84   inline FGColumnVector3& GetXYZcg(void) {return vXYZcg;}
85   inline double GetXYZcg(int axis) const  {return vXYZcg(axis);}
86
87   /** Conversion from the structural frame to the body frame.
88    * Converts the argument \parm r given in the reference frame
89    * coordinate system to the body frame. The units of the structural
90    * frame are assumed to be in inches. The unit of the result is in
91    * ft.
92    */
93   FGColumnVector3 StructuralToBody(const FGColumnVector3& r) const;
94
95   inline void SetEmptyWeight(double EW) { EmptyWeight = EW;}
96   inline void SetBaseIxx(double bixx)   { baseIxx = bixx;}
97   inline void SetBaseIyy(double biyy)   { baseIyy = biyy;}
98   inline void SetBaseIzz(double bizz)   { baseIzz = bizz;}
99   inline void SetBaseIxy(double bixy)   { baseIxy = bixy;}
100   inline void SetBaseIxz(double bixz)   { baseIxz = bixz;}
101   inline void SetBaseCG(const FGColumnVector3& CG) {vbaseXYZcg = CG;}
102   
103   void AddPointMass(double weight, double X, double Y, double Z);
104   double GetPointMassWeight(void);
105   FGColumnVector3& GetPointMassMoment(void);
106   double GetPMIxx(void);
107   double GetPMIyy(void);
108   double GetPMIzz(void);
109   double GetPMIxy(void);
110   double GetPMIxz(void);
111   
112   void bind(void);
113   void unbind(void);
114
115 private:
116   double Weight;
117   double EmptyWeight;
118   double Mass;
119   double Ixx;
120   double Iyy;
121   double Izz;
122   double Ixy;
123   double Ixz;
124   double baseIxx;
125   double baseIyy;
126   double baseIzz;
127   double baseIxy;
128   double baseIxz;
129   FGColumnVector3 vXYZcg;
130   FGColumnVector3 vXYZtank;
131   FGColumnVector3 vbaseXYZcg;
132   vector <FGColumnVector3> PointMassLoc;
133   vector <double> PointMassWeight;
134   FGColumnVector3 PointMassCG;
135   void Debug(int from);
136 };
137 }
138 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
139 #endif