run_sim_tpccombi_evtgen.C

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// Macro created 20/09/2006 by S.Spataro
// It creates a geant simulation file for emc
run_sim_tpccombi_evtgen(TString fname="output.evt", Int_t nEvents=10){
  TStopwatch timer;
  timer.Start();
  gDebug=0;
  // Load basic libraries
  // If it does not work,  please check the path of the libs and put it by hands
  TString s=gSystem->GetFromPipe("head "+fname+" -n10 |awk '/^  0/ {p=$10} END {print p}'");
  
  double mom = s.Atof();
  
  cout <<fname<<" uses beam momentum of "<<mom<<endl;
  
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/rootlogon.C");
  rootlogon();
  
  TString digiFile = "all.par";
  TString parFile = "params_tpccombi.root";
  
  FairRunSim *fRun = new FairRunSim();

  // set the MC version used
  // ------------------------

  fRun->SetName("TGeant3");
  //fRun->SetName("TGeant4");

  fRun->SetOutputFile("points_tpccombi.root");

  // Set Material file Name
  //-----------------------
  fRun->SetMaterials("media_pnd.geo");

  // Create and add detectors
  //-------------------------
  FairModule *Cave= new PndCave("CAVE");
  Cave->SetGeometryFileName("pndcave.geo");
  fRun->AddModule(Cave); 

  //FairModule *Magnet= new PndMagnet("MAGNET");
  //Magnet->SetGeometryFileName("FullSolenoid.root");
  //fRun->AddModule(Magnet);

  FairModule *Dipole= new PndMagnet("MAGNET");
  Dipole->SetGeometryFileName("dipole.geo");
  fRun->AddModule(Dipole);

  FairModule *Pipe= new PndPipe("PIPE");
  //fRun->AddModule(Pipe);

   FairDetector *Tpc = new PndTpcDetector("TPC", kTRUE);
  Tpc->SetGeometryFileName("tpc.geo");
  fRun->AddModule(Tpc);

  FairDetector *Mvd = new PndMvdDetector("MVD", kTRUE);
  Mvd->SetGeometryFileName("MVD_v1.0_woPassiveTraps.root");
  fRun->AddModule(Mvd);

  PndEmc *Emc = new PndEmc("EMC",kTRUE);
  //new BwEndCap + FwEndCap
  Emc->SetGeometryFileNameTriple("emc_module125.dat","emc_module3new.root","emc_module4_StraightGeo24.4.root"); //MapperVersion: 6
  Emc->SetStorageOfData(kFALSE);
  fRun->AddModule(Emc);

  FairDetector *Tof = new PndTof("TOF",kTRUE);
  Tof->SetGeometryFileName("tofbarrel.geo");
  fRun->AddModule(Tof);
  
  PndMdt *Muo = new PndMdt("MDT",kTRUE);
  Muo->SetBarrel("torino");
  Muo->SetEndcap("torino");
  Muo->SetMuonFilter("torino");
  Muo->SetMdtMagnet(kTRUE);
  Muo->SetMdtMFIron(kTRUE);
  fRun->AddModule(Muo);

  FairDetector *Gem = new PndGemDetector("GEM", kTRUE);
  Gem->SetGeometryFileName("gem_3Stations.root");
  fRun->AddModule(Gem);

  PndDrc *Drc = new PndDrc("DIRC", kTRUE);
  Drc->SetRunCherenkov(kFALSE); // for fast sim Cherenkov -> kFALSE
  fRun->AddModule(Drc);
  
  // Create and Set Event Generator
  //-------------------------------

  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
  fRun->SetGenerator(primGen);

  // EvtGen Generator
  FairEvtGenGenerator* evtGen = new FairEvtGenGenerator(fname.Data());
  primGen->AddGenerator(evtGen);
   
   // Box Generator
//   FairBoxGenerator* boxGen = new FairBoxGenerator(pid, 1); // 13 = muon; 1 = multipl.
//   if (p2<0.) p2 = p1;
//   boxGen->SetPRange(p1,p2); // GeV/c
//   boxGen->SetPhiRange(0., 360.); // Azimuth angle range [degree]
//   boxGen->SetThetaRange(5., 140.); // Polar angle in lab system range [degree]
//   boxGen->SetXYZ(0., 0., 0.); // mm o cm ??
//   primGen->AddGenerator(boxGen); 

  //fRun->SetStoreTraj(kTRUE); // to store particle trajectories  

  // Create and Set Magnetic Field
  //-------------------------------
  fRun->SetBeamMom(15);
  PndMultiField *fField= new PndMultiField("FULL");
  fRun->SetField(fField);

  // EMC Hit producer
  //-------------------------------
  PndEmcHitProducer* emcHitProd = new PndEmcHitProducer();
  fRun->AddTask(emcHitProd);
  
  // Set the parameters
  //-------------------------------
  TString allDigiFile = gSystem->Getenv("VMCWORKDIR");
  allDigiFile += "/macro/params/";
  allDigiFile += digiFile;
 
  FairRuntimeDb* rtdb = fRun->GetRuntimeDb();
  FairParAsciiFileIo* parIo1 = new FairParAsciiFileIo();
  parIo1->open(allDigiFile.Data(),"in");
  rtdb->setFirstInput(parIo1);        
  Bool_t kParameterMerged=kTRUE;
        
  FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
  output->open(parFile);
  rtdb->setOutput(output);
  
  fRun->Init();
  
  rtdb->setOutput(output);
  rtdb->saveOutput();
  rtdb->print();

  // Transport nEvents
  // -----------------
  fRun->Run(nEvents);

  timer.Stop();

  Double_t rtime = timer.RealTime();
  Double_t ctime = timer.CpuTime();
  printf("RealTime=%f seconds, CpuTime=%f seconds\n",rtime,ctime);

}