]> git.mxchange.org Git - flightgear.git/blobdiff - src/FDM/JSBSim/FGAircraft.cpp
Make yasim accept the launchbar and hook properties. They are not tied to anything...
[flightgear.git] / src / FDM / JSBSim / FGAircraft.cpp
index 44dd4e75e48173e698a5373ce1fbec13c46d2c0f..aa56cc7e8361de13d9e0d307cb108e596850a11a 100644 (file)
@@ -1,49 +1,49 @@
 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
  Module:       FGAircraft.cpp
  Author:       Jon S. Berndt
- Date started: 12/12/98                                   
+ Date started: 12/12/98
  Purpose:      Encapsulates an aircraft
  Called by:    FGFDMExec
 
  ------------- Copyright (C) 1999  Jon S. Berndt (jsb@hal-pc.org) -------------
+
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.
+
  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.
+
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  Place - Suite 330, Boston, MA  02111-1307, USA.
+
  Further information about the GNU General Public License can also be found on
  the world wide web at http://www.gnu.org.
+
 FUNCTIONAL DESCRIPTION
 --------------------------------------------------------------------------------
 Models the aircraft reactions and forces. This class is instantiated by the
-FGFDMExec class and scheduled as an FDM entry. 
+FGFDMExec class and scheduled as an FDM entry.
+
 HISTORY
 --------------------------------------------------------------------------------
 12/12/98   JSB   Created
 04/03/99   JSB   Changed Aero() method to correct body axis force calculation
                  from wind vector. Fix provided by Tony Peden.
 05/03/99   JSB   Changed (for the better?) the way configurations are read in.
-9/17/99     TP   Combined force and moment functions. Added aero reference 
-                 point to config file. Added calculations for moments due to 
+9/17/99     TP   Combined force and moment functions. Added aero reference
+                 point to config file. Added calculations for moments due to
                  difference in cg and aero reference point
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 COMMENTS, REFERENCES,  and NOTES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 INCLUDES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
@@ -73,15 +73,12 @@ INCLUDES
 #include "FGInertial.h"
 #include "FGGroundReactions.h"
 #include "FGAerodynamics.h"
-#include "FGTranslation.h"
-#include "FGRotation.h"
-#include "FGAtmosphere.h"
 #include "FGState.h"
 #include "FGFDMExec.h"
-#include "FGFCS.h"
-#include "FGPosition.h"
-#include "FGAuxiliary.h"
-#include "FGOutput.h"
+#include "FGPropagate.h"
+#include "FGPropertyManager.h"
+
+namespace JSBSim {
 
 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 DEFINITIONS
@@ -98,66 +95,27 @@ static const char *IdHdr = ID_AIRCRAFT;
 CLASS IMPLEMENTATION
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
-FGAircraft::FGAircraft(FGFDMExec* fdmex) : FGModel(fdmex),
-    vMoments(3),
-    vForces(3),
-    vXYZrp(3),
-    vXYZep(3),
-    vDXYZcg(3),
-    vBodyAccel(3),
-    vNcg(3)
+FGAircraft::FGAircraft(FGFDMExec* fdmex) : FGModel(fdmex)
 {
   Name = "FGAircraft";
-  alphaclmin = alphaclmax = 0;
-  HTailArea = VTailArea = HTailArm = VTailArm = 0.0;
-  lbarh = lbarv = vbarh = vbarv = 0.0;
-  WingIncidence=0;
-  impending_stall = 0;
+  WingSpan = 0.0;
+  HTailArea = VTailArea = 0.0;
+  HTailArm  = VTailArm  = 0.0;
+  lbarh = lbarv = 0.0;
+  vbarh = vbarv = 0.0;
+  WingIncidence = 0.0;
 
-  if (debug_lvl & 2) cout << "Instantiated: " << Name << endl;
-}
+  bind();
 
-
-//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-FGAircraft::~FGAircraft()
-{
-  if (debug_lvl & 2) cout << "Destroyed:    FGAircraft" << endl;
+  Debug(0);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-bool FGAircraft::Load(FGConfigFile* AC_cfg)
+FGAircraft::~FGAircraft()
 {
-  string token;
-
-  ReadPrologue(AC_cfg);
-
-  while ((AC_cfg->GetNextConfigLine() != "EOF") &&
-         (token = AC_cfg->GetValue()) != "/FDM_CONFIG") {
-    if (token == "METRICS") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Metrics" << fgdef << endl;
-      ReadMetrics(AC_cfg);
-    } else if (token == "AERODYNAMICS") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Aerodynamics" << fgdef << endl;
-      ReadAerodynamics(AC_cfg);
-    } else if (token == "UNDERCARRIAGE") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Landing Gear" << fgdef << endl;
-      ReadUndercarriage(AC_cfg);
-    } else if (token == "PROPULSION") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Propulsion" << fgdef << endl;
-      ReadPropulsion(AC_cfg);
-    } else if (token == "FLIGHT_CONTROL") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Flight Control" << fgdef << endl;
-      ReadFlightControls(AC_cfg);
-    } else if (token == "OUTPUT") {
-      if (debug_lvl > 0) cout << fgcyan << "\n  Reading Output directives" << fgdef << endl;
-      ReadOutput(AC_cfg);
-    }
-  }
-  
-  return true;
+  unbind();
+  Debug(1);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -167,7 +125,6 @@ bool FGAircraft::Run(void)
   if (!FGModel::Run()) {                 // if false then execute this Run()
     vForces.InitMatrix();
     vForces += Aerodynamics->GetForces();
-    vForces += Inertial->GetForces();
     vForces += Propulsion->GetForces();
     vForces += GroundReactions->GetForces();
 
@@ -175,19 +132,14 @@ bool FGAircraft::Run(void)
     vMoments += Aerodynamics->GetMoments();
     vMoments += Propulsion->GetMoments();
     vMoments += GroundReactions->GetMoments();
-    
+
     vBodyAccel = vForces/MassBalance->GetMass();
-    
+
     vNcg = vBodyAccel/Inertial->gravity();
-    
-    if (alphaclmax != 0) {
-      if (Translation->Getalpha() > 0.85*alphaclmax) {
-        impending_stall = 10*(Translation->Getalpha()/alphaclmax - 0.85);
-      } else {
-        impending_stall = 0;
-      }
-    }      
-    
+
+    vNwcg = State->GetTb2s() * vNcg;
+    vNwcg(3) = -1*vNwcg(3) + 1;
+
     return false;
   } else {                               // skip Run() execution this time
     return true;
@@ -196,16 +148,26 @@ bool FGAircraft::Run(void)
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-void FGAircraft::ReadMetrics(FGConfigFile* AC_cfg)
+float FGAircraft::GetNlf(void)
+{
+  return -1*Aerodynamics->GetvFs(3)/MassBalance->GetWeight();
+}
+
+//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+bool FGAircraft::Load(FGConfigFile* AC_cfg)
 {
   string token = "";
   string parameter;
-  float EW, bixx, biyy, bizz, bixz, biyz;
-  FGColumnVector3 vbaseXYZcg(3);
+  double EW, bixx, biyy, bizz, bixy, bixz, biyz;
+  double pmWt, pmX, pmY, pmZ;
+  FGColumnVector3 vbaseXYZcg;
+
+  bixx = biyy = bizz = bixy = bixz = biyz = 0.0;
 
   AC_cfg->GetNextConfigLine();
 
-  while ((token = AC_cfg->GetValue()) != "/METRICS") {
+  while ((token = AC_cfg->GetValue()) != string("/METRICS")) {
     *AC_cfg >> parameter;
     if (parameter == "AC_WINGAREA") {
       *AC_cfg >> WingArea;
@@ -215,7 +177,7 @@ void FGAircraft::ReadMetrics(FGConfigFile* AC_cfg)
       if (debug_lvl > 0) cout << "    WingSpan: " << WingSpan  << endl;
     } else if (parameter == "AC_WINGINCIDENCE") {
       *AC_cfg >> WingIncidence;
-      if (debug_lvl > 0) cout << "    Chord: " << cbar << endl;
+      if (debug_lvl > 0) cout << "    Incidence: " << WingIncidence << endl;
     } else if (parameter == "AC_CHORD") {
       *AC_cfg >> cbar;
       if (debug_lvl > 0) cout << "    Chord: " << cbar << endl;
@@ -233,28 +195,26 @@ void FGAircraft::ReadMetrics(FGConfigFile* AC_cfg)
       if (debug_lvl > 0) cout << "    V. Tail Arm: " << VTailArm << endl;
     } else if (parameter == "AC_IXX") {
       *AC_cfg >> bixx;
-      if (debug_lvl > 0) cout << "    baseIxx: " << bixx << endl;
-      MassBalance->SetBaseIxx(bixx);
+      if (debug_lvl > 0) cout << "    baseIxx: " << bixx << " slug-ft2" << endl;
     } else if (parameter == "AC_IYY") {
       *AC_cfg >> biyy;
-      if (debug_lvl > 0) cout << "    baseIyy: " << biyy << endl;
-      MassBalance->SetBaseIyy(biyy);
+      if (debug_lvl > 0) cout << "    baseIyy: " << biyy << " slug-ft2" << endl;
     } else if (parameter == "AC_IZZ") {
       *AC_cfg >> bizz;
-      if (debug_lvl > 0) cout << "    baseIzz: " << bizz << endl;
-      MassBalance->SetBaseIzz(bizz);
+      if (debug_lvl > 0) cout << "    baseIzz: " << bizz << " slug-ft2" << endl;
+    } else if (parameter == "AC_IXY") {
+      *AC_cfg >> bixy;
+      if (debug_lvl > 0) cout << "    baseIxy: " << bixy << " slug-ft2" << endl;
     } else if (parameter == "AC_IXZ") {
       *AC_cfg >> bixz;
-      if (debug_lvl > 0) cout << "    baseIxz: " << bixz  << endl;
-      MassBalance->SetBaseIxz(bixz);
+      if (debug_lvl > 0) cout << "    baseIxz: " << bixz << " slug-ft2" << endl;
     } else if (parameter == "AC_IYZ") {
       *AC_cfg >> biyz;
-      if (debug_lvl > 0) cout << "    baseIyz: " << biyz  << endl;
-      MassBalance->SetBaseIyz(biyz);
+      if (debug_lvl > 0) cout << "    baseIyz: " << biyz << " slug-ft2" << endl;
     } else if (parameter == "AC_EMPTYWT") {
       *AC_cfg >> EW;
       MassBalance->SetEmptyWeight(EW);
-      if (debug_lvl > 0) cout << "    EmptyWeight: " << EW  << endl;
+      if (debug_lvl > 0) cout << "    EmptyWeight: " << EW << " lbm" << endl;
     } else if (parameter == "AC_CGLOC") {
       *AC_cfg >> vbaseXYZcg(eX) >> vbaseXYZcg(eY) >> vbaseXYZcg(eZ);
       MassBalance->SetBaseCG(vbaseXYZcg);
@@ -265,14 +225,22 @@ void FGAircraft::ReadMetrics(FGConfigFile* AC_cfg)
     } else if (parameter == "AC_AERORP") {
       *AC_cfg >> vXYZrp(eX) >> vXYZrp(eY) >> vXYZrp(eZ);
       if (debug_lvl > 0) cout << "    Ref Pt (x, y, z): " << vXYZrp << endl;
-    } else if (parameter == "AC_ALPHALIMITS") {
-      *AC_cfg >> alphaclmin >> alphaclmax;
-      if (debug_lvl > 0) cout << "    Maximum Alpha: " << alphaclmax
-             << "    Minimum Alpha: " << alphaclmin
-             << endl;
+    } else if (parameter == "AC_VRP") {
+      *AC_cfg >> vXYZvrp(eX) >> vXYZvrp(eY) >> vXYZvrp(eZ);
+      if (debug_lvl > 0) cout << "    Visual Ref Pt (x, y, z): " << vXYZvrp << endl;
+    } else if (parameter == "AC_POINTMASS") {
+      *AC_cfg >> pmWt >> pmX >> pmY >> pmZ;
+      MassBalance->AddPointMass(pmWt, pmX, pmY, pmZ);
+      if (debug_lvl > 0) cout << "    Point Mass Object: " << pmWt << " lbs. at "
+                         << "X, Y, Z (in.): " << pmX << "  " << pmY << "  " << pmZ
+                         << endl;
     }
   }
-  
+
+  MassBalance->SetAircraftBaseInertias(FGMatrix33(  bixx,  -bixy,  -bixz,
+                                                    -bixy,  biyy,  -biyz,
+                                                    -bixz,  -biyz,  bizz ));
+
   // calculate some derived parameters
   if (cbar != 0.0) {
     lbarh = HTailArm/cbar;
@@ -281,151 +249,147 @@ void FGAircraft::ReadMetrics(FGConfigFile* AC_cfg)
       vbarh = HTailArm*HTailArea / (cbar*WingArea);
       vbarv = VTailArm*VTailArea / (cbar*WingArea);
     }
-  }     
-
-}
-
-//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-void FGAircraft::ReadPropulsion(FGConfigFile* AC_cfg)
-{
-  if (!Propulsion->Load(AC_cfg)) {
-    cerr << "Propulsion not successfully loaded" << endl;
-  }
-}
-
-//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-void FGAircraft::ReadFlightControls(FGConfigFile* AC_cfg)
-{
-  if (!FCS->Load(AC_cfg)) {
-    cerr << "Flight Controls not successfully loaded" << endl;
   }
+  return true;
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-void FGAircraft::ReadAerodynamics(FGConfigFile* AC_cfg)
+void FGAircraft::bind(void)
 {
-  if (!Aerodynamics->Load(AC_cfg)) {
-    cerr << "Aerodynamics not successfully loaded" << endl;
-  }
+  typedef double (FGAircraft::*PMF)(int) const;
+  PropertyManager->Tie("metrics/Sw-sqft", this,
+                       &FGAircraft::GetWingArea);
+  PropertyManager->Tie("metrics/bw-ft", this,
+                       &FGAircraft::GetWingSpan);
+  PropertyManager->Tie("metrics/cbarw-ft", this,
+                       &FGAircraft::Getcbar);
+  PropertyManager->Tie("metrics/iw-deg", this,
+                       &FGAircraft::GetWingIncidence);
+  PropertyManager->Tie("metrics/Sh-sqft", this,
+                       &FGAircraft::GetHTailArea);
+  PropertyManager->Tie("metrics/lh-ft", this,
+                       &FGAircraft::GetHTailArm);
+  PropertyManager->Tie("metrics/Sv-sqft", this,
+                       &FGAircraft::GetVTailArea);
+  PropertyManager->Tie("metrics/lv-ft", this,
+                       &FGAircraft::GetVTailArm);
+  PropertyManager->Tie("metrics/lh-norm", this,
+                       &FGAircraft::Getlbarh);
+  PropertyManager->Tie("metrics/lv-norm", this,
+                       &FGAircraft::Getlbarv);
+  PropertyManager->Tie("metrics/vbarh-norm", this,
+                       &FGAircraft::Getvbarh);
+  PropertyManager->Tie("metrics/vbarv-norm", this,
+                       &FGAircraft::Getvbarv);
+  PropertyManager->Tie("moments/l-total-lbsft", this,1,
+                       (PMF)&FGAircraft::GetMoments);
+  PropertyManager->Tie("moments/m-total-lbsft", this,2,
+                       (PMF)&FGAircraft::GetMoments);
+  PropertyManager->Tie("moments/n-total-lbsft", this,3,
+                       (PMF)&FGAircraft::GetMoments);
+  PropertyManager->Tie("forces/fbx-total-lbs", this,1,
+                       (PMF)&FGAircraft::GetForces);
+  PropertyManager->Tie("forces/fby-total-lbs", this,2,
+                       (PMF)&FGAircraft::GetForces);
+  PropertyManager->Tie("forces/fbz-total-lbs", this,3,
+                       (PMF)&FGAircraft::GetForces);
+  PropertyManager->Tie("metrics/aero-rp-x-in", this,1,
+                       (PMF)&FGAircraft::GetXYZrp);
+  PropertyManager->Tie("metrics/aero-rp-y-in", this,2,
+                       (PMF)&FGAircraft::GetXYZrp);
+  PropertyManager->Tie("metrics/aero-rp-z-in", this,3,
+                       (PMF)&FGAircraft::GetXYZrp);
+  PropertyManager->Tie("metrics/eyepoint-x-in", this,1,
+                       (PMF)&FGAircraft::GetXYZep);
+  PropertyManager->Tie("metrics/eyepoint-y-in", this,2,
+                       (PMF)&FGAircraft::GetXYZep);
+  PropertyManager->Tie("metrics/eyepoint-z-in", this,3,
+                       (PMF)&FGAircraft::GetXYZep);
+  PropertyManager->Tie("metrics/visualrefpoint-x-in", this,1,
+                       (PMF)&FGAircraft::GetXYZvrp);
+  PropertyManager->Tie("metrics/visualrefpoint-y-in", this,2,
+                       (PMF)&FGAircraft::GetXYZvrp);
+  PropertyManager->Tie("metrics/visualrefpoint-z-in", this,3,
+                       (PMF)&FGAircraft::GetXYZvrp);
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-void FGAircraft::ReadUndercarriage(FGConfigFile* AC_cfg)
+void FGAircraft::unbind(void)
 {
-  if (!GroundReactions->Load(AC_cfg)) {
-    cerr << "Ground Reactions not successfully loaded" << endl;
-  }
+  PropertyManager->Untie("metrics/Sw-sqft");
+  PropertyManager->Untie("metrics/bw-ft");
+  PropertyManager->Untie("metrics/cbarw-ft");
+  PropertyManager->Untie("metrics/iw-deg");
+  PropertyManager->Untie("metrics/Sh-sqft");
+  PropertyManager->Untie("metrics/lh-ft");
+  PropertyManager->Untie("metrics/Sv-sqft");
+  PropertyManager->Untie("metrics/lv-ft");
+  PropertyManager->Untie("metrics/lh-norm");
+  PropertyManager->Untie("metrics/lv-norm");
+  PropertyManager->Untie("metrics/vbarh-norm");
+  PropertyManager->Untie("metrics/vbarv-norm");
+  PropertyManager->Untie("moments/l-total-lbsft");
+  PropertyManager->Untie("moments/m-total-lbsft");
+  PropertyManager->Untie("moments/n-total-lbsft");
+  PropertyManager->Untie("forces/fbx-total-lbs");
+  PropertyManager->Untie("forces/fby-total-lbs");
+  PropertyManager->Untie("forces/fbz-total-lbs");
+  PropertyManager->Untie("metrics/aero-rp-x-in");
+  PropertyManager->Untie("metrics/aero-rp-y-in");
+  PropertyManager->Untie("metrics/aero-rp-z-in");
+  PropertyManager->Untie("metrics/eyepoint-x-in");
+  PropertyManager->Untie("metrics/eyepoint-y-in");
+  PropertyManager->Untie("metrics/eyepoint-z-in");
+  PropertyManager->Untie("metrics/visualrefpoint-x-in");
+  PropertyManager->Untie("metrics/visualrefpoint-y-in");
+  PropertyManager->Untie("metrics/visualrefpoint-z-in");
 }
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-void FGAircraft::ReadOutput(FGConfigFile* AC_cfg)
+//    The bitmasked value choices are as follows:
+//    unset: In this case (the default) JSBSim would only print
+//       out the normally expected messages, essentially echoing
+//       the config files as they are read. If the environment
+//       variable is not set, debug_lvl is set to 1 internally
+//    0: This requests JSBSim not to output any messages
+//       whatsoever.
+//    1: This value explicity requests the normal JSBSim
+//       startup messages
+//    2: This value asks for a message to be printed out when
+//       a class is instantiated
+//    4: When this value is set, a message is displayed when a
+//       FGModel object executes its Run() method
+//    8: When this value is set, various runtime state variables
+//       are printed out periodically
+//    16: When set various parameters are sanity checked and
+//       a message is printed out when they go out of bounds
+
+void FGAircraft::Debug(int from)
 {
-  string token, parameter;
-  int OutRate = 0;
-  int subsystems = 0;
-
-  token = AC_cfg->GetValue("NAME");
-  Output->SetFilename(token);
-  token = AC_cfg->GetValue("TYPE");
-  Output->SetType(token);
-  AC_cfg->GetNextConfigLine();
+  if (debug_lvl <= 0) return;
 
-  while ((token = AC_cfg->GetValue()) != "/OUTPUT") {
-    *AC_cfg >> parameter;
-    if (parameter == "RATE_IN_HZ") *AC_cfg >> OutRate;
-    if (parameter == "SIMULATION") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssSimulation;
-    }
-    if (parameter == "AEROSURFACES") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssAerosurfaces;
-    }
-    if (parameter == "RATES") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssRates;
-    }
-    if (parameter == "VELOCITIES") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssVelocities;
-    }
-    if (parameter == "FORCES") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssForces;
-    }
-    if (parameter == "MOMENTS") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssMoments;
-    }
-    if (parameter == "ATMOSPHERE") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssAtmosphere;
-    }
-    if (parameter == "MASSPROPS") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssMassProps;
-    }
-    if (parameter == "POSITION") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssPosition;
-    }
-    if (parameter == "COEFFICIENTS") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssCoefficients;
-    }
-    if (parameter == "GROUND_REACTIONS") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssGroundReactions;
-    }
-    if (parameter == "FCS") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssFCS;
-    }
-    if (parameter == "PROPULSION") {
-      *AC_cfg >> parameter;
-      if (parameter == "ON") subsystems += ssPropulsion;
+  if (debug_lvl & 1) { // Standard console startup message output
+    if (from == 0) { // Constructor
     }
   }
-
-  Output->SetSubsystems(subsystems);
-
-  OutRate = OutRate>120?120:(OutRate<0?0:OutRate);
-  Output->SetRate( (int)(0.5 + 1.0/(State->Getdt()*OutRate)) );
-}
-
-//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-void FGAircraft::ReadPrologue(FGConfigFile* AC_cfg)
-{
-  string token = AC_cfg->GetValue();
-  string scratch;
-  AircraftName = AC_cfg->GetValue("NAME");
-  if (debug_lvl > 0) cout << underon << "Reading Aircraft Configuration File"
-            << underoff << ": " << highint << AircraftName << normint << endl;
-  scratch = AC_cfg->GetValue("VERSION").c_str();
-
-  CFGVersion = AC_cfg->GetValue("VERSION");
-
-  if (debug_lvl > 0)
-    cout << "                            Version: " << highint << CFGVersion
-                                                             << normint << endl;
-  if (CFGVersion != needed_cfg_version) {
-    cerr << endl << fgred << "YOU HAVE AN INCOMPATIBLE CFG FILE FOR THIS AIRCRAFT."
-            " RESULTS WILL BE UNPREDICTABLE !!" << endl;
-    cerr << "Current version needed is: " << needed_cfg_version << endl;
-    cerr << "         You have version: " << CFGVersion << endl << fgdef << endl;
+  if (debug_lvl & 2 ) { // Instantiation/Destruction notification
+    if (from == 0) cout << "Instantiated: FGAircraft" << endl;
+    if (from == 1) cout << "Destroyed:    FGAircraft" << endl;
+  }
+  if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
+  }
+  if (debug_lvl & 8 ) { // Runtime state variables
+  }
+  if (debug_lvl & 16) { // Sanity checking
+  }
+  if (debug_lvl & 64) {
+    if (from == 0) { // Constructor
+      cout << IdSrc << endl;
+      cout << IdHdr << endl;
+    }
   }
 }
 
-//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-void FGAircraft::Debug(void)
-{
-    //TODO: Add your source code here
-}
-
+} // namespace JSBSim