sim_toy.C

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// Macro for running minimal toy Panda root simulation to generate an example file
// for PndCudaExampleTask.
// Based on /macror/run/sim_complete.C as of 2013-09-10, modified by A. Herten

sim_toy(Int_t nEvents = 4, TString  SimEngine ="TGeant3", Float_t mom = 6.231552)
{
  //-----User Settings:-----------------------------------------------
  TString  OutputFile     ="sim_toy.root";
  TString  ParOutputfile  ="sim_toy_params.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 UseEvtGen            =kFALSE; 
  Bool_t UseEvtGenDirect      =kTRUE;     
  Bool_t UseDpm               =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
    }   
  
  //------------------------------------------------------------------
  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());
  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_201308.root");
  fRun->AddModule(Pipe);
  //-------------------------  STT       -----------------
  FairDetector *Stt= new PndStt("STT", kFALSE);
  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", kFALSE);
  Gem->SetGeometryFileName("gem_3Stations.root");
  // fRun->AddModule(Gem);
  //-------------------------  EMC       -----------------
  PndEmc *Emc = new PndEmc("EMC",kFALSE);
  Emc->SetGeometryVersion(1);
  Emc->SetStorageOfData(kFALSE);
  // fRun->AddModule(Emc);
  //-------------------------  SCITIL    -----------------
  FairDetector *SciT = new PndSciT("SCIT",kFALSE);
  SciT->SetGeometryFileName("barrel-SciTil_07022013.root");
  // fRun->AddModule(SciT);
  //-------------------------  DRC       -----------------
  PndDrc *Drc = new PndDrc("DIRC", kFALSE);
  Drc->SetGeometryFileName("dirc_l0_p0_updated.root"); 
  Drc->SetRunCherenkov(kFALSE);
  // fRun->AddModule(Drc); 
  //-------------------------  DISC      -----------------
  PndDsk* Dsk = new PndDsk("DSK", kFALSE);
  Dsk->SetStoreCerenkovs(kFALSE);
  Dsk->SetStoreTrackPoints(kFALSE);
  // fRun->AddModule(Dsk);
  //-------------------------  MDT       -----------------
  PndMdt *Muo = new PndMdt("MDT",kFALSE);
  Muo->SetBarrel("fast");
  Muo->SetEndcap("fast");
  Muo->SetMuonFilter("fast");
  Muo->SetForward("fast");
  Muo->SetMdtMagnet(kTRUE);
  Muo->SetMdtMFIron(kTRUE);
  // fRun->AddModule(Muo);
  //-------------------------  FTS       -----------------
  FairDetector *Fts= new PndFts("FTS", kFALSE);
  Fts->SetGeometryFileName("fts.geo");
  // fRun->AddModule(Fts); 
  //-------------------------  FTOF      -----------------
  FairDetector *FTof = new PndFtof("FTOF",kFALSE);
  FTof->SetGeometryFileName("ftofwall.root");
  // fRun->AddModule(FTof);
  //-------------------------  RICH       ----------------
  FairDetector *Rich= new PndRich("RICH",kFALSE);
  Rich->SetGeometryFileName("rich_v2.geo");
  // fRun->AddModule(Rich);

  // Create and Set Event Generator
  //-------------------------------
  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
  primGen->SetEventMeanTime(10);
  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(UseEvtGen){        
          TString  EvtInput =gSystem->Getenv("VMCWORKDIR");
          EvtInput+="/input/psi2s_jpsi2pi_1k.evt";      
          FairEvtGenGenerator* evtGen = new FairEvtGenGenerator(EvtInput.Data());
          primGen->AddGenerator(evtGen);
  }     
  if(UseEvtGenDirect){
          TString  EvtInput =gSystem->Getenv("VMCWORKDIR");
          EvtInput+="/macro/run/psi2s_Jpsi2pi_Jpsi_mumu.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("FULL");
  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);

}