sim_evtgen.C File Reference

Go to the source code of this file.

Functions
	sim_evtgen (Int_t nEvents=100, TString SimEngine="TGeant3", Float_t mom=9.)

Function Documentation

sim_evtgen	(	Int_t	nEvents = 100,
		TString	SimEngine = "TGeant3",
		Float_t	mom = 9.
	)

Definition at line 8 of file sim_evtgen.C.

References allDigiFile, BeamMomentum, Bool_t, boxGen, Cave, ctime, digiFile, Dipole, Double_t, Drc, Dsk, Emc, emcHitProd, fField, fIni, fRun, FTof, Fts, gDebug, Gem, kParameterMerged, mom, Muo, Mvd, nEvents, output, parIo1, Pipe, primGen, printf(), rtdb, rtime, PndMdt::SetBarrel(), PndMdt::SetEndcap(), PndMdt::SetForward(), PndEmc::SetGeometryVersion(), PndMdt::SetMdtCoil(), PndMdt::SetMdtMagnet(), PndMdt::SetMdtMFIron(), PndMdt::SetMuonFilter(), PndDrc::SetRunCherenkov(), PndEmc::SetStorageOfData(), PndDsk::SetStoreCerenkovs(), PndDsk::SetStoreTrackPoints(), PndEvtGenDirect::SetStoreTree(), sqrt(), Stt, timer, and TString.

{
  //-----User Settings:-----------------------------------------------
  TString  OutputFile     ="sim_complete.root";
  TString  ParOutputfile  ="simparams.root";
  TString  MediaFile      ="media_pnd.geo";
  gDebug                  = 0;
  TString digiFile        = "all.par"; //The emc run the hit producer directly
                                       // choose your event generator
  Bool_t UseEvtGenDirect      =kTRUE;
  Bool_t UseDpm               =kFALSE;
  Bool_t UseFtf               =kFALSE;
  Bool_t UseBoxGenerator      =kFALSE;
  
  Double_t BeamMomentum = 0.; // beam momentum ONLY for the scaling of the dipole field.
  if (UseBoxGenerator)
  {
    BeamMomentum   =15.0; // ** change HERE if you run Box generator
  }
  else
  {
    BeamMomentum = mom;  // for DPM/EvtGen BeamMomentum is always = mom
  }
  //------------------------------------------------------------------
  TLorentzVector fIni(0, 0, mom, sqrt(mom*mom+9.3827203e-01*9.3827203e-01)+9.3827203e-01);
  TDatabasePDG::Instance()->AddParticle("pbarpSystem","pbarpSystem",fIni.M(),kFALSE,0.1,0, "",88888);
  //------------------------------------------------------------------
  TStopwatch timer;
  timer.Start();
  gRandom->SetSeed();
  
  // Create the Simulation run manager--------------------------------
  FairRunSim *fRun = new FairRunSim();
  fRun->SetName(SimEngine.Data() );
  fRun->SetOutputFile(OutputFile.Data());
  fRun->SetGenerateRunInfo(kFALSE);
  fRun->SetBeamMom(BeamMomentum);
  fRun->SetMaterials(MediaFile.Data());
  fRun->SetUseFairLinks(kTRUE);
  FairRuntimeDb *rtdb=fRun->GetRuntimeDb();
  
  // Set the parameters
  //-------------------------------
  TString allDigiFile = gSystem->Getenv("VMCWORKDIR");
  allDigiFile += "/macro/params/";
  allDigiFile += digiFile;
  
  
  //-------Set the parameter output --------------------
  FairParAsciiFileIo* parIo1 = new FairParAsciiFileIo();
  parIo1->open(allDigiFile.Data(),"in");
  rtdb->setFirstInput(parIo1);
  
  //---------------------Set Parameter output      ----------
  Bool_t kParameterMerged=kTRUE;
  FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
  output->open(ParOutputfile.Data());
  rtdb->setOutput(output);
  
  // Create and add detectors
  
  //-------------------------  CAVE      -----------------
  
  FairModule *Cave= new PndCave("CAVE");
  Cave->SetGeometryFileName("pndcave.geo");
  fRun->AddModule(Cave);
  //-------------------------  Magnet   -----------------
  //FairModule *Magnet= new PndMagnet("MAGNET");
  //Magnet->SetGeometryFileName("FullSolenoid_V842.root");
  //Magnet->SetGeometryFileName("FullSuperconductingSolenoid_v831.root");
  //fRun->AddModule(Magnet);
  FairModule *Dipole= new PndMagnet("MAGNET");
  Dipole->SetGeometryFileName("dipole.geo");
  fRun->AddModule(Dipole);
  //-------------------------  Pipe     -----------------
  FairModule *Pipe= new PndPipe("PIPE");
  Pipe->SetGeometryFileName("beampipe_201309.root");
  fRun->AddModule(Pipe);
  //-------------------------  STT       -----------------
  FairDetector *Stt= new PndStt("STT", kTRUE);
  Stt->SetGeometryFileName("straws_skewed_blocks_35cm_pipe.geo");
  fRun->AddModule(Stt);
  //-------------------------  MVD       -----------------
  FairDetector *Mvd = new PndMvdDetector("MVD", kTRUE);
  Mvd->SetGeometryFileName("Mvd-2.1_FullVersion.root");
  fRun->AddModule(Mvd);
  //-------------------------  GEM       -----------------
  FairDetector *Gem = new PndGemDetector("GEM", kTRUE);
  Gem->SetGeometryFileName("gem_3Stations_Tube.root");
  fRun->AddModule(Gem);
  //-------------------------  EMC       -----------------
  PndEmc *Emc = new PndEmc("EMC",kTRUE);
  Emc->SetGeometryVersion(1);
  Emc->SetStorageOfData(kFALSE);
  fRun->AddModule(Emc);
  //-------------------------  SCITIL    -----------------
  FairDetector *SciT = new PndSciT("SCIT",kTRUE);
  SciT->SetGeometryFileName("SciTil_201504.root");
  fRun->AddModule(SciT);
  //-------------------------  DRC       -----------------
  PndDrc *Drc = new PndDrc("DIRC", kTRUE);
  Drc->SetGeometryFileName("dirc_l0_p0_updated.root");
  Drc->SetRunCherenkov(kFALSE);
  fRun->AddModule(Drc);
  //-------------------------  DISC      -----------------
  PndDsk* Dsk = new PndDsk("DSK", kTRUE);
  Dsk->SetStoreCerenkovs(kFALSE);
  Dsk->SetStoreTrackPoints(kFALSE);
  fRun->AddModule(Dsk);
  //-------------------------  MDT       -----------------
  PndMdt *Muo = new PndMdt("MDT",kTRUE);
  Muo->SetBarrel("fast");
  Muo->SetEndcap("fast");
  Muo->SetMuonFilter("fast");
  Muo->SetForward("fast");
  Muo->SetMdtMagnet(kTRUE);
  Muo->SetMdtCoil(kTRUE);
  Muo->SetMdtMFIron(kTRUE);
  fRun->AddModule(Muo);
  //-------------------------  FTS       -----------------
  FairDetector *Fts= new PndFts("FTS", kTRUE);
  Fts->SetGeometryFileName("fts.geo");
  fRun->AddModule(Fts);
  //-------------------------  FTOF      -----------------
  FairDetector *FTof = new PndFtof("FTOF",kTRUE);
  FTof->SetGeometryFileName("ftofwall.root");
  fRun->AddModule(FTof);
  //-------------------------  RICH       ----------------
  FairDetector *Rich= new PndRich("RICH",kFALSE);
  Rich->SetGeometryFileName("rich_v2_shift.geo");
  fRun->AddModule(Rich);
  
  // Create and Set Event Generator
  //-------------------------------
  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
  fRun->SetGenerator(primGen);
         
  if(UseBoxGenerator){  // Box Generator
    FairBoxGenerator* boxGen = new FairBoxGenerator(22, 5); // 13 = muon; 1 = multipl.
    boxGen->SetPRange(mom,mom); // GeV/c
    boxGen->SetPhiRange(0., 360.); // Azimuth angle range [degree]
    boxGen->SetThetaRange(0., 90.); // Polar angle in lab system range [degree]
    boxGen->SetXYZ(0., 0., 0.); // cm
    primGen->AddGenerator(boxGen);
  }
  if(UseDpm){
    PndDpmDirect *Dpm= new PndDpmDirect(mom,1);
    primGen->AddGenerator(Dpm);
  }
  if(UseFtf){
    //          TString macfile = gSystem->Getenv("VMCWORKDIR");
    //    macfile += "/pgenerators/FtfEvtGen/PbarP.mac";
    //    PndFtfDirect *Ftf = new PndFtfDirect(macfile.Data());
    PndFtfDirect *Ftf = new PndFtfDirect("anti_proton", "G4_H", 1, "ftfp", mom, 123456);
    primGen->AddGenerator(Ftf);
  }
  if(UseEvtGenDirect){
    TString  EvtInput =gSystem->Getenv("VMCWORKDIR");
    EvtInput+="/macro/kfparticle/D0Star/D0D0Star.dec";
    PndEvtGenDirect *EvtGen = new PndEvtGenDirect("pbarpSystem", EvtInput.Data(), mom);
    EvtGen->SetStoreTree(kTRUE);
    primGen->AddGenerator(EvtGen);
  }
  
  //---------------------Create and Set the Field(s)----------
  PndMultiField *fField= new PndMultiField("AUTO");
  fRun->SetField(fField);
  
  // EMC Hit producer
  //-------------------------------
  PndEmcHitProducer* emcHitProd = new PndEmcHitProducer();
  fRun->AddTask(emcHitProd);
  
  //-------------------------  Initialize the RUN  -----------------
  fRun->Init();
  //-------------------------  Run the Simulation  -----------------
  fRun->Run(nEvents);
  //-------------------------  Save the parameters -----------------
  rtdb->saveOutput();
  //------------------------Print some info and exit----------------
  timer.Stop();
  Double_t rtime = timer.RealTime();
  Double_t ctime = timer.CpuTime();
  printf("RealTime=%f seconds, CpuTime=%f seconds\n",rtime,ctime);
  
  cout << " Test passed" << endl;
  cout << " All ok " << endl;
  
  //exit(0);
  
};