src/FDM/JSBSim/models/FGOutput.cpp

   1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   2
   3  Module:       FGOutput.cpp
   4  Author:       Jon Berndt
   5  Date started: 12/02/98
   6  Purpose:      Manage output of sim parameters to file or stdout
   7  Called by:    FGSimExec
   8
   9  ------------- Copyright (C) 1999  Jon S. Berndt (jsb@hal-pc.org) -------------
  10
  11  This program is free software; you can redistribute it and/or modify it under
  12  the terms of the GNU Lesser General Public License as published by the Free Software
  13  Foundation; either version 2 of the License, or (at your option) any later
  14  version.
  15
  16  This program is distributed in the hope that it will be useful, but WITHOUT
  17  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  18  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  19  details.
  20
  21  You should have received a copy of the GNU Lesser General Public License along with
  22  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  23  Place - Suite 330, Boston, MA  02111-1307, USA.
  24
  25  Further information about the GNU Lesser General Public License can also be found on
  26  the world wide web at http://www.gnu.org.
  27
  28 FUNCTIONAL DESCRIPTION
  29 --------------------------------------------------------------------------------
  30 This is the place where you create output routines to dump data for perusal
  31 later.
  32
  33 HISTORY
  34 --------------------------------------------------------------------------------
  35 12/02/98   JSB   Created
  36
  37 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  38 INCLUDES
  39 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  40
  41 #include "FGOutput.h"
  42 #include "FGState.h"
  43 #include "FGFDMExec.h"
  44 #include "FGAtmosphere.h"
  45 #include "FGFCS.h"
  46 #include "FGAerodynamics.h"
  47 #include "FGGroundReactions.h"
  48 #include "FGAircraft.h"
  49 #include "FGMassBalance.h"
  50 #include "FGPropagate.h"
  51 #include "FGAuxiliary.h"
  52 #include "FGInertial.h"
  53
  54 #include <fstream>
  55 #include <iomanip>
  56
  57 namespace JSBSim {
  58
  59 static const char *IdSrc = "$Id$";
  60 static const char *IdHdr = ID_OUTPUT;
  61
  62 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  63 CLASS IMPLEMENTATION
  64 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
  65
  66 FGOutput::FGOutput(FGFDMExec* fdmex) : FGModel(fdmex)
  67 {
  68   Name = "FGOutput";
  69   sFirstPass = dFirstPass = true;
  70   socket = 0;
  71   Type = otNone;
  72   SubSystems = 0;
  73   enabled = true;
  74   delimeter = ", ";
  75   Filename = "";
  76   DirectivesFile = "";
  77
  78   Debug(0);
  79 }
  80
  81 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  82
  83 FGOutput::~FGOutput()
  84 {
  85   delete socket;
  86   OutputProperties.clear();
  87   Debug(1);
  88 }
  89
  90 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  91
  92 bool FGOutput::Run(void)
  93 {
  94   if (FGModel::Run()) return true;
  95
  96   if (enabled && !State->IntegrationSuspended()&& !FDMExec->Holding()) {
  97     if (Type == otSocket) {
  98       SocketOutput();
  99     } else if (Type == otCSV || Type == otTab) {
 100       DelimitedOutput(Filename);
 101     } else if (Type == otTerminal) {
 102       // Not done yet
 103     } else if (Type == otNone) {
 104       // Do nothing
 105     } else {
 106       // Not a valid type of output
 107     }
 108   }
 109   return false;
 110 }
 111
 112 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 113
 114 void FGOutput::SetType(string type)
 115 {
 116   if (type == "CSV") {
 117     Type = otCSV;
 118     delimeter = ", ";
 119   } else if (type == "TABULAR") {
 120     Type = otTab;
 121     delimeter = "\t";
 122   } else if (type == "SOCKET") {
 123     Type = otSocket;
 124   } else if (type == "TERMINAL") {
 125     Type = otTerminal;
 126   } else if (type != string("NONE")) {
 127     Type = otUnknown;
 128     cerr << "Unknown type of output specified in config file" << endl;
 129   }
 130 }
 131
 132 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 133
 134 void FGOutput::DelimitedOutput(string fname)
 135 {
 136   streambuf* buffer;
 137   string scratch = "";
 138
 139   if (fname == "COUT" || fname == "cout") {
 140     buffer = cout.rdbuf();
 141   } else {
 142     datafile.open(fname.c_str());
 143     buffer = datafile.rdbuf();
 144   }
 145
 146   ostream outstream(buffer);
 147
 148   if (dFirstPass) {
 149     outstream << "Time";
 150     if (SubSystems & ssSimulation) {
 151       // Nothing here, yet
 152     }
 153     if (SubSystems & ssAerosurfaces) {
 154       outstream << delimeter;
 155       outstream << "Aileron Command (norm)" + delimeter;
 156       outstream << "Elevator Command (norm)" + delimeter;
 157       outstream << "Rudder Command (norm)" + delimeter;
 158       outstream << "Flap Command (norm)" + delimeter;
 159       outstream << "Left Aileron Position (deg)" + delimeter;
 160       outstream << "Right Aileron Position (deg)" + delimeter;
 161       outstream << "Elevator Position (deg)" + delimeter;
 162       outstream << "Rudder Position (deg)" + delimeter;
 163       outstream << "Flap Position (deg)";
 164     }
 165     if (SubSystems & ssRates) {
 166       outstream << delimeter;
 167       outstream << "P (deg/s)" + delimeter + "Q (deg/s)" + delimeter + "R (deg/s)" + delimeter;
 168       outstream << "P dot (deg/s^2)" + delimeter + "Q dot (deg/s^2)" + delimeter + "R dot (deg/s^2)";
 169     }
 170     if (SubSystems & ssVelocities) {
 171       outstream << delimeter;
 172       outstream << "q bar (psf)" + delimeter;
 173       outstream << "V_{Total} (ft/s)" + delimeter;
 174       outstream << "UBody" + delimeter + "VBody" + delimeter + "WBody" + delimeter;
 175       outstream << "Aero V_{X Body} (ft/s)" + delimeter + "Aero V_{Y Body} (ft/s)" + delimeter + "Aero V_{Z Body} (ft/s)" + delimeter;
 176       outstream << "V_{North} (ft/s)" + delimeter + "V_{East} (ft/s)" + delimeter + "V_{Down} (ft/s)";
 177     }
 178     if (SubSystems & ssForces) {
 179       outstream << delimeter;
 180       outstream << "F_{Drag} (lbs)" + delimeter + "F_{Side} (lbs)" + delimeter + "F_{Lift} (lbs)" + delimeter;
 181       outstream << "L/D" + delimeter;
 182       outstream << "F_X (lbs)" + delimeter + "F_Y (lbs)" + delimeter + "F_Z (lbs)";
 183     }
 184     if (SubSystems & ssMoments) {
 185       outstream << delimeter;
 186       outstream << "L (ft-lbs)" + delimeter + "M (ft-lbs)" + delimeter + "N (ft-lbs)";
 187     }
 188     if (SubSystems & ssAtmosphere) {
 189       outstream << delimeter;
 190       outstream << "Rho (slugs/ft^3)" + delimeter;
 191       outstream << "P_{SL} (psf)" + delimeter;
 192       outstream << "P_{Ambient} (psf)" + delimeter;
 193       outstream << "Wind V_{North} (ft/s)" + delimeter + "Wind V_{East} (ft/s)" + delimeter + "Wind V_{Down} (ft/s)";
 194     }
 195     if (SubSystems & ssMassProps) {
 196       outstream << delimeter;
 197       outstream << "I_xx" + delimeter;
 198       outstream << "I_xy" + delimeter;
 199       outstream << "I_xz" + delimeter;
 200       outstream << "I_yx" + delimeter;
 201       outstream << "I_yy" + delimeter;
 202       outstream << "I_yz" + delimeter;
 203       outstream << "I_zx" + delimeter;
 204       outstream << "I_zy" + delimeter;
 205       outstream << "I_zz" + delimeter;
 206       outstream << "Mass" + delimeter;
 207       outstream << "X_cg" + delimeter + "Y_cg" + delimeter + "Z_cg";
 208     }
 209     if (SubSystems & ssPropagate) {
 210       outstream << delimeter;
 211       outstream << "Altitude (ft)" + delimeter;
 212       outstream << "Phi (deg)" + delimeter + "Theta (deg)" + delimeter + "Psi (deg)" + delimeter;
 213       outstream << "Alpha (deg)" + delimeter;
 214       outstream << "Beta (deg)" + delimeter;
 215       outstream << "Latitude (deg)" + delimeter;
 216       outstream << "Longitude (deg)" + delimeter;
 217       outstream << "Distance AGL (ft)" + delimeter;
 218       outstream << "Runway Radius (ft)";
 219     }
 220     if (SubSystems & ssCoefficients) {
 221       scratch = Aerodynamics->GetCoefficientStrings(delimeter);
 222       if (scratch.length() != 0) outstream << delimeter << scratch;
 223     }
 224     if (SubSystems & ssFCS) {
 225       scratch = FCS->GetComponentStrings(delimeter);
 226       if (scratch.length() != 0) outstream << delimeter << scratch;
 227     }
 228     if (SubSystems & ssGroundReactions) {
 229       outstream << delimeter;
 230       outstream << GroundReactions->GetGroundReactionStrings(delimeter);
 231     }
 232     if (SubSystems & ssPropulsion && Propulsion->GetNumEngines() > 0) {
 233       outstream << delimeter;
 234       outstream << Propulsion->GetPropulsionStrings(delimeter);
 235     }
 236     if (OutputProperties.size() > 0) {
 237       for (unsigned int i=0;i<OutputProperties.size();i++) {
 238         outstream << delimeter << OutputProperties[i]->GetName();
 239       }
 240     }
 241
 242     outstream << endl;
 243     dFirstPass = false;
 244   }
 245
 246   outstream << State->Getsim_time();
 247   if (SubSystems & ssSimulation) {
 248   }
 249   if (SubSystems & ssAerosurfaces) {
 250     outstream << delimeter;
 251     outstream << FCS->GetDaCmd() << delimeter;
 252     outstream << FCS->GetDeCmd() << delimeter;
 253     outstream << FCS->GetDrCmd() << delimeter;
 254     outstream << FCS->GetDfCmd() << delimeter;
 255     outstream << FCS->GetDaLPos(ofDeg) << delimeter;
 256     outstream << FCS->GetDaRPos(ofDeg) << delimeter;
 257     outstream << FCS->GetDePos(ofDeg) << delimeter;
 258     outstream << FCS->GetDrPos(ofDeg) << delimeter;
 259     outstream << FCS->GetDfPos(ofDeg);
 260   }
 261   if (SubSystems & ssRates) {
 262     outstream << delimeter;
 263     outstream << Propagate->GetPQR().Dump(delimeter) << delimeter;
 264     outstream << Propagate->GetPQRdot().Dump(delimeter);
 265   }
 266   if (SubSystems & ssVelocities) {
 267     outstream << delimeter;
 268     outstream << Auxiliary->Getqbar() << delimeter;
 269     outstream << setprecision(12) << Auxiliary->GetVt() << delimeter;
 270     outstream << setprecision(12) << Propagate->GetUVW().Dump(delimeter) << delimeter;
 271     outstream << Auxiliary->GetAeroUVW().Dump(delimeter) << delimeter;
 272     outstream << Propagate->GetVel().Dump(delimeter);
 273   }
 274   if (SubSystems & ssForces) {
 275     outstream << delimeter;
 276     outstream << Aerodynamics->GetvFs() << delimeter;
 277     outstream << Aerodynamics->GetLoD() << delimeter;
 278     outstream << Aircraft->GetForces().Dump(delimeter);
 279   }
 280   if (SubSystems & ssMoments) {
 281     outstream << delimeter;
 282     outstream << Aircraft->GetMoments().Dump(delimeter);
 283   }
 284   if (SubSystems & ssAtmosphere) {
 285     outstream << delimeter;
 286     outstream << Atmosphere->GetDensity() << delimeter;
 287     outstream << Atmosphere->GetPressureSL() << delimeter;
 288     outstream << Atmosphere->GetPressure() << delimeter;
 289     outstream << Atmosphere->GetWindNED().Dump(delimeter);
 290   }
 291   if (SubSystems & ssMassProps) {
 292     outstream << delimeter;
 293     outstream << MassBalance->GetJ() << delimeter;
 294     outstream << MassBalance->GetMass() << delimeter;
 295     outstream << MassBalance->GetXYZcg();
 296   }
 297   if (SubSystems & ssPropagate) {
 298     outstream << delimeter;
 299     outstream << Propagate->Geth() << delimeter;
 300     outstream << Propagate->GetEuler().Dump(delimeter) << delimeter;
 301     outstream << Auxiliary->Getalpha(inDegrees) << delimeter;
 302     outstream << Auxiliary->Getbeta(inDegrees) << delimeter;
 303     outstream << Propagate->GetLocation().GetLatitudeDeg() << delimeter;
 304     outstream << Propagate->GetLocation().GetLongitudeDeg() << delimeter;
 305     outstream << Propagate->GetDistanceAGL() << delimeter;
 306     outstream << Propagate->GetRunwayRadius();
 307   }
 308   if (SubSystems & ssCoefficients) {
 309     scratch = Aerodynamics->GetCoefficientValues(delimeter);
 310     if (scratch.length() != 0) outstream << delimeter << scratch;
 311   }
 312   if (SubSystems & ssFCS) {
 313     scratch = FCS->GetComponentValues(delimeter);
 314     if (scratch.length() != 0) outstream << delimeter << scratch;
 315   }
 316   if (SubSystems & ssGroundReactions) {
 317     outstream << delimeter;
 318     outstream << GroundReactions->GetGroundReactionValues(delimeter);
 319   }
 320   if (SubSystems & ssPropulsion && Propulsion->GetNumEngines() > 0) {
 321     outstream << delimeter;
 322     outstream << Propulsion->GetPropulsionValues(delimeter);
 323   }
 324
 325   for (unsigned int i=0;i<OutputProperties.size();i++) {
 326     outstream << delimeter << OutputProperties[i]->getDoubleValue();
 327   }
 328
 329   outstream << endl;
 330   outstream.flush();
 331 }
 332
 333 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 334
 335 void FGOutput::SocketOutput(void)
 336 {
 337   string asciiData, scratch;
 338
 339   if (socket == NULL) return;
 340   if (!socket->GetConnectStatus()) return;
 341
 342   socket->Clear();
 343   if (sFirstPass) {
 344     socket->Clear("<LABELS>");
 345     socket->Append("Time");
 346
 347     if (SubSystems & ssAerosurfaces) {
 348       socket->Append("Aileron Command");
 349       socket->Append("Elevator Command");
 350       socket->Append("Rudder Command");
 351       socket->Append("Flap Command");
 352       socket->Append("Left Aileron Position");
 353       socket->Append("Right Aileron Position");
 354       socket->Append("Elevator Position");
 355       socket->Append("Rudder Position");
 356       socket->Append("Flap Position");
 357     }
 358
 359     if (SubSystems & ssRates) {
 360       socket->Append("P");
 361       socket->Append("Q");
 362       socket->Append("R");
 363       socket->Append("PDot");
 364       socket->Append("QDot");
 365       socket->Append("RDot");
 366     }
 367
 368     if (SubSystems & ssVelocities) {
 369       socket->Append("QBar");
 370       socket->Append("Vtotal");
 371       socket->Append("UBody");
 372       socket->Append("VBody");
 373       socket->Append("WBody");
 374       socket->Append("UAero");
 375       socket->Append("VAero");
 376       socket->Append("WAero");
 377       socket->Append("Vn");
 378       socket->Append("Ve");
 379       socket->Append("Vd");
 380     }
 381     if (SubSystems & ssForces) {
 382       socket->Append("F_Drag");
 383       socket->Append("F_Side");
 384       socket->Append("F_Lift");
 385       socket->Append("LoD");
 386       socket->Append("Fx");
 387       socket->Append("Fy");
 388       socket->Append("Fz");
 389     }
 390     if (SubSystems & ssMoments) {
 391       socket->Append("L");
 392       socket->Append("M");
 393       socket->Append("N");
 394     }
 395     if (SubSystems & ssAtmosphere) {
 396       socket->Append("Rho");
 397       socket->Append("SL pressure");
 398       socket->Append("Ambient pressure");
 399       socket->Append("NWind");
 400       socket->Append("EWind");
 401       socket->Append("DWind");
 402     }
 403     if (SubSystems & ssMassProps) {
 404       socket->Append("Ixx");
 405       socket->Append("Ixy");
 406       socket->Append("Ixz");
 407       socket->Append("Iyx");
 408       socket->Append("Iyy");
 409       socket->Append("Iyz");
 410       socket->Append("Izx");
 411       socket->Append("Izy");
 412       socket->Append("Izz");
 413       socket->Append("Mass");
 414       socket->Append("Xcg");
 415       socket->Append("Ycg");
 416       socket->Append("Zcg");
 417     }
 418     if (SubSystems & ssPropagate) {
 419         socket->Append("Altitude");
 420         socket->Append("Phi");
 421         socket->Append("Tht");
 422         socket->Append("Psi");
 423         socket->Append("Alpha");
 424         socket->Append("Beta");
 425         socket->Append("Latitude (Deg)");
 426         socket->Append("Longitude (Deg)");
 427     }
 428     if (SubSystems & ssCoefficients) {
 429       scratch = Aerodynamics->GetCoefficientStrings(",");
 430       if (scratch.length() != 0) socket->Append(scratch);
 431     }
 432     if (SubSystems & ssFCS) {
 433       scratch = FCS->GetComponentStrings(",");
 434       if (scratch.length() != 0) socket->Append(scratch);
 435     }
 436     if (SubSystems & ssGroundReactions) {
 437       socket->Append(GroundReactions->GetGroundReactionStrings(","));
 438     }
 439     if (SubSystems & ssPropulsion && Propulsion->GetNumEngines() > 0) {
 440       socket->Append(Propulsion->GetPropulsionStrings(","));
 441     }
 442     if (OutputProperties.size() > 0) {
 443       for (unsigned int i=0;i<OutputProperties.size();i++) {
 444         socket->Append(OutputProperties[i]->GetName());
 445       }
 446     }
 447
 448     sFirstPass = false;
 449     socket->Send();
 450   }
 451
 452   socket->Clear();
 453   socket->Append(State->Getsim_time());
 454
 455   if (SubSystems & ssAerosurfaces) {
 456     socket->Append(FCS->GetDaCmd());
 457     socket->Append(FCS->GetDeCmd());
 458     socket->Append(FCS->GetDrCmd());
 459     socket->Append(FCS->GetDfCmd());
 460     socket->Append(FCS->GetDaLPos());
 461     socket->Append(FCS->GetDaRPos());
 462     socket->Append(FCS->GetDePos());
 463     socket->Append(FCS->GetDrPos());
 464     socket->Append(FCS->GetDfPos());
 465   }
 466   if (SubSystems & ssRates) {
 467     socket->Append(Propagate->GetPQR(eP));
 468     socket->Append(Propagate->GetPQR(eQ));
 469     socket->Append(Propagate->GetPQR(eR));
 470     socket->Append(Propagate->GetPQRdot(eP));
 471     socket->Append(Propagate->GetPQRdot(eQ));
 472     socket->Append(Propagate->GetPQRdot(eR));
 473   }
 474   if (SubSystems & ssVelocities) {
 475     socket->Append(Auxiliary->Getqbar());
 476     socket->Append(Auxiliary->GetVt());
 477     socket->Append(Propagate->GetUVW(eU));
 478     socket->Append(Propagate->GetUVW(eV));
 479     socket->Append(Propagate->GetUVW(eW));
 480     socket->Append(Auxiliary->GetAeroUVW(eU));
 481     socket->Append(Auxiliary->GetAeroUVW(eV));
 482     socket->Append(Auxiliary->GetAeroUVW(eW));
 483     socket->Append(Propagate->GetVel(eNorth));
 484     socket->Append(Propagate->GetVel(eEast));
 485     socket->Append(Propagate->GetVel(eDown));
 486   }
 487   if (SubSystems & ssForces) {
 488     socket->Append(Aerodynamics->GetvFs()(eDrag));
 489     socket->Append(Aerodynamics->GetvFs()(eSide));
 490     socket->Append(Aerodynamics->GetvFs()(eLift));
 491     socket->Append(Aerodynamics->GetLoD());
 492     socket->Append(Aircraft->GetForces(eX));
 493     socket->Append(Aircraft->GetForces(eY));
 494     socket->Append(Aircraft->GetForces(eZ));
 495   }
 496   if (SubSystems & ssMoments) {
 497     socket->Append(Aircraft->GetMoments(eL));
 498     socket->Append(Aircraft->GetMoments(eM));
 499     socket->Append(Aircraft->GetMoments(eN));
 500   }
 501   if (SubSystems & ssAtmosphere) {
 502     socket->Append(Atmosphere->GetDensity());
 503     socket->Append(Atmosphere->GetPressureSL());
 504     socket->Append(Atmosphere->GetPressure());
 505     socket->Append(Atmosphere->GetWindNED().Dump(","));
 506   }
 507   if (SubSystems & ssMassProps) {
 508     socket->Append(MassBalance->GetJ()(1,1));
 509     socket->Append(MassBalance->GetJ()(1,2));
 510     socket->Append(MassBalance->GetJ()(1,3));
 511     socket->Append(MassBalance->GetJ()(2,1));
 512     socket->Append(MassBalance->GetJ()(2,2));
 513     socket->Append(MassBalance->GetJ()(2,3));
 514     socket->Append(MassBalance->GetJ()(3,1));
 515     socket->Append(MassBalance->GetJ()(3,2));
 516     socket->Append(MassBalance->GetJ()(3,3));
 517     socket->Append(MassBalance->GetMass());
 518     socket->Append(MassBalance->GetXYZcg()(eX));
 519     socket->Append(MassBalance->GetXYZcg()(eY));
 520     socket->Append(MassBalance->GetXYZcg()(eZ));
 521   }
 522   if (SubSystems & ssPropagate) {
 523     socket->Append(Propagate->Geth());
 524     socket->Append(Propagate->GetEuler(ePhi));
 525     socket->Append(Propagate->GetEuler(eTht));
 526     socket->Append(Propagate->GetEuler(ePsi));
 527     socket->Append(Auxiliary->Getalpha(inDegrees));
 528     socket->Append(Auxiliary->Getbeta(inDegrees));
 529     socket->Append(Propagate->GetLocation().GetLatitudeDeg());
 530     socket->Append(Propagate->GetLocation().GetLongitudeDeg());
 531   }
 532   if (SubSystems & ssCoefficients) {
 533     scratch = Aerodynamics->GetCoefficientValues(",");
 534     if (scratch.length() != 0) socket->Append(scratch);
 535   }
 536   if (SubSystems & ssFCS) {
 537     scratch = FCS->GetComponentValues(",");
 538     if (scratch.length() != 0) socket->Append(scratch);
 539   }
 540   if (SubSystems & ssGroundReactions) {
 541     socket->Append(GroundReactions->GetGroundReactionValues(","));
 542   }
 543   if (SubSystems & ssPropulsion && Propulsion->GetNumEngines() > 0) {
 544     socket->Append(Propulsion->GetPropulsionValues(","));
 545   }
 546
 547   for (unsigned int i=0;i<OutputProperties.size();i++) {
 548     socket->Append(OutputProperties[i]->getDoubleValue());
 549   }
 550
 551   socket->Send();
 552 }
 553
 554 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 555
 556 void FGOutput::SocketStatusOutput(string out_str)
 557 {
 558   string asciiData;
 559
 560   if (socket == NULL) return;
 561
 562   socket->Clear();
 563   asciiData = string("<STATUS>") + out_str;
 564   socket->Append(asciiData.c_str());
 565   socket->Send();
 566 }
 567
 568 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 569
 570 bool FGOutput::Load(Element* element)
 571 {
 572   string type="", parameter="";
 573   string name="", fname="";
 574   int OutRate = 0;
 575   string property;
 576   unsigned int port;
 577   FGXMLParse output_file_parser;
 578   Element *document, *property_element;
 579   ifstream* output_file = new ifstream();
 580
 581   string separator = "/";
 582 # ifdef macintosh
 583   separator = ";";
 584 # endif
 585
 586   if (!DirectivesFile.empty()) { // A directives filename from the command line overrides
 587     fname = DirectivesFile;      // one found in the config file.
 588   } else {
 589     fname = element->GetAttributeValue("file");
 590   }
 591
 592   if (!fname.empty()) {
 593     int len = fname.size();
 594     if (fname.find(".xml") != string::npos) {
 595       output_file_name = fname; // Use supplied name if last four letters are ".xml"
 596     } else {
 597       output_file_name = FDMExec->GetFullAircraftPath() + separator + fname + ".xml";
 598     }
 599     output_file->open(output_file_name.c_str());
 600     if (output_file->is_open()) {
 601       readXML(*output_file, output_file_parser);
 602       delete output_file;
 603     } else {
 604       delete output_file;
 605       cerr << "Could not open directives file: " << output_file_name << endl;
 606       return false;
 607     }
 608     document = output_file_parser.GetDocument();
 609   } else {
 610     document = element;
 611   }
 612
 613   name = document->GetAttributeValue("name");
 614   type = document->GetAttributeValue("type");
 615   SetType(type);
 616   if (!document->GetAttributeValue("port").empty() && type == string("SOCKET")) {
 617     port = atoi(document->GetAttributeValue("port").c_str());
 618     socket = new FGfdmSocket(name, port);
 619   } else {
 620     Filename = name;
 621   }
 622   if (!document->GetAttributeValue("rate").empty()) {
 623     OutRate = (int)document->GetAttributeValueAsNumber("rate");
 624   } else {
 625     OutRate = 1;
 626   }
 627
 628   if (document->FindElementValue("simulation") == string("ON"))
 629     SubSystems += ssSimulation;
 630   if (document->FindElementValue("aerosurfaces") == string("ON"))
 631     SubSystems += ssAerosurfaces;
 632   if (document->FindElementValue("rates") == string("ON"))
 633     SubSystems += ssRates;
 634   if (document->FindElementValue("velocities") == string("ON"))
 635     SubSystems += ssVelocities;
 636   if (document->FindElementValue("forces") == string("ON"))
 637     SubSystems += ssForces;
 638   if (document->FindElementValue("moments") == string("ON"))
 639     SubSystems += ssMoments;
 640   if (document->FindElementValue("atmosphere") == string("ON"))
 641     SubSystems += ssAtmosphere;
 642   if (document->FindElementValue("massprops") == string("ON"))
 643     SubSystems += ssMassProps;
 644   if (document->FindElementValue("position") == string("ON"))
 645     SubSystems += ssPropagate;
 646   if (document->FindElementValue("coefficients") == string("ON"))
 647     SubSystems += ssCoefficients;
 648   if (document->FindElementValue("ground_reactions") == string("ON"))
 649     SubSystems += ssGroundReactions;
 650   if (document->FindElementValue("fcs") == string("ON"))
 651     SubSystems += ssFCS;
 652   if (document->FindElementValue("propulsion") == string("ON"))
 653     SubSystems += ssPropulsion;
 654   property_element = document->FindElement("property");
 655   while (property_element) {
 656     string property = property_element->GetDataLine();
 657     OutputProperties.push_back(PropertyManager->GetNode(property));
 658     property_element = document->FindNextElement("property");
 659   }
 660
 661   OutRate = OutRate>1000?1000:(OutRate<0?0:OutRate);
 662   rate = (int)(0.5 + 1.0/(State->Getdt()*OutRate));
 663
 664   Debug(2);
 665
 666   return true;
 667 }
 668
 669 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 670 //    The bitmasked value choices are as follows:
 671 //    unset: In this case (the default) JSBSim would only print
 672 //       out the normally expected messages, essentially echoing
 673 //       the config files as they are read. If the environment
 674 //       variable is not set, debug_lvl is set to 1 internally
 675 //    0: This requests JSBSim not to output any messages
 676 //       whatsoever.
 677 //    1: This value explicity requests the normal JSBSim
 678 //       startup messages
 679 //    2: This value asks for a message to be printed out when
 680 //       a class is instantiated
 681 //    4: When this value is set, a message is displayed when a
 682 //       FGModel object executes its Run() method
 683 //    8: When this value is set, various runtime state variables
 684 //       are printed out periodically
 685 //    16: When set various parameters are sanity checked and
 686 //       a message is printed out when they go out of bounds
 687
 688 void FGOutput::Debug(int from)
 689 {
 690   string scratch="";
 691
 692   if (debug_lvl <= 0) return;
 693
 694   if (debug_lvl & 1) { // Standard console startup message output
 695     if (from == 0) { // Constructor
 696
 697     }
 698     if (from == 2) {
 699       if (output_file_name.empty())
 700         cout << "  " << "Output parameters read inline" << endl;
 701       else
 702         cout << "    Output parameters read from file: " << output_file_name << endl;
 703
 704       if (Filename == "cout" || Filename == "COUT") {
 705         scratch = "    Log output goes to screen console";
 706       } else if (!Filename.empty()) {
 707         scratch = "    Log output goes to file: " + Filename;
 708       }
 709       switch (Type) {
 710       case otCSV:
 711         cout << scratch << " in CSV format output at rate " << 1/(State->Getdt()*rate) << " Hz" << endl;
 712         break;
 713       case otNone:
 714         cout << "  No log output" << endl;
 715         break;
 716       }
 717
 718       if (SubSystems & ssSimulation)      cout << "    Simulation parameters logged" << endl;
 719       if (SubSystems & ssAerosurfaces)    cout << "    Aerosurface parameters logged" << endl;
 720       if (SubSystems & ssRates)           cout << "    Rate parameters logged" << endl;
 721       if (SubSystems & ssVelocities)      cout << "    Velocity parameters logged" << endl;
 722       if (SubSystems & ssForces)          cout << "    Force parameters logged" << endl;
 723       if (SubSystems & ssMoments)         cout << "    Moments parameters logged" << endl;
 724       if (SubSystems & ssAtmosphere)      cout << "    Atmosphere parameters logged" << endl;
 725       if (SubSystems & ssMassProps)       cout << "    Mass parameters logged" << endl;
 726       if (SubSystems & ssCoefficients)    cout << "    Coefficient parameters logged" << endl;
 727       if (SubSystems & ssPropagate)       cout << "    Propagate parameters logged" << endl;
 728       if (SubSystems & ssGroundReactions) cout << "    Ground parameters logged" << endl;
 729       if (SubSystems & ssFCS)             cout << "    FCS parameters logged" << endl;
 730       if (SubSystems & ssPropulsion)      cout << "    Propulsion parameters logged" << endl;
 731       if (OutputProperties.size() > 0)    cout << "    Properties logged:" << endl;
 732       for (unsigned int i=0;i<OutputProperties.size();i++) {
 733         cout << "      - " << OutputProperties[i]->GetName() << endl;
 734       }
 735     }
 736   }
 737   if (debug_lvl & 2 ) { // Instantiation/Destruction notification
 738     if (from == 0) cout << "Instantiated: FGOutput" << endl;
 739     if (from == 1) cout << "Destroyed:    FGOutput" << endl;
 740   }
 741   if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
 742   }
 743   if (debug_lvl & 8 ) { // Runtime state variables
 744   }
 745   if (debug_lvl & 16) { // Sanity checking
 746   }
 747   if (debug_lvl & 64) {
 748     if (from == 0) { // Constructor
 749       cout << IdSrc << endl;
 750       cout << IdHdr << endl;
 751     }
 752   }
 753 }
 754 }