sim_emc_evtgen.C

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// Macro created 18/09/2006 by S.Spataro
// It creates a geant simulation file for emc by using an EvtGen outout file
{
  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
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/rootlogon.C");
  gROOT->LoadMacro("$VMCWORKDIR/gconfig/basiclibs.C");
  rootlogon();
  basiclibs();

  FairRunSim *fRun = new FairRunSim();

  // Set the number of events
  Int_t nEvents = 10; 

  // set the MC version used
  // ------------------------
  fRun->SetName("TGeant3");

  fRun->SetOutputFile("sim_emc.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 *Stt= new PndStt("STT", kTRUE);
  Stt->SetGeometryFileName("straws_skewed_blocks_35cm_pipe.geo");
  fRun->AddModule(Stt);

  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
  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);
  
  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("output.evt");
  primGen->AddGenerator(evtGen);

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

  //magnetic field: no field when commented put
  //FairFieldConst *fMagField=new FairFieldConst();
  //fMagField->SetField(0.,0.,20.); // values are in kG
  //fMagField->SetFieldRegion(-50, 50,-50, 50, -100, 100);// values are in cm (xmin,xmax,ymin,ymax,zmin,zmax)
  //fRun->SetField(fMagField);

  fRun->Init();

  // Fill the Parameter containers for this run
  //-------------------------------------------

  FairRuntimeDb *rtdb=fRun->GetRuntimeDb();
  Bool_t kParameterMerged=kTRUE;
  FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
  output->open("simparams.root");
  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);
}