runSimPions.C

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// Simulation Macro
// based on runMvdSim.C by Ralf Kliemt

// Macro to simulate the MVD in pandaroot
// Updated 30.11.2009
// Ralf Kliemt
runSimPions(Int_t nPions = 1, Int_t nEvents=500)
{
  TStopwatch timer;
  timer.Start();
  gDebug=0;
  int verboseLevel = 0;

  //FileNames
  TString simOutput="Sim_Dpm_500.root";
  TString parOutput="Sim_Dpm_500_params.root";

  // Load basic libraries
  gROOT->Macro("$VMCWORKDIR/gconfig/rootlogon.C");
  FairRunSim *fRun = new FairRunSim();

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

  fRun->SetName("TGeant3");
  //fRun->SetName("TGeant4");
  // Choose the Geant Navigation System

  fRun->SetOutputFile(simOutput);

  // Fill the Parameter containers for this run
  //-------------------------------------------
  FairRuntimeDb *rtdb=fRun->GetRuntimeDb();
  Bool_t kParameterMerged=kTRUE;
  FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
  output->open(parOutput.Data(),"RECREATE");
  rtdb->setOutput(output);

  // 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("magnet.geo");
  fRun->AddModule(Magnet);
  FairModule *Pipe= new PndPipe("PIPE");
  //fRun->AddModule(Pipe);
  //-------------------------  STT       -----------------
  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-2.1_FullVersion.root"); // only sensors, update follows
  Mvd->SetVerboseLevel(verboseLevel);
  fRun->AddModule(Mvd);
 //-------------------------  GEM       -----------------
  FairDetector *Gem = new PndGemDetector("GEM", kTRUE);
  Gem->SetGeometryFileName("gem_3Stations.root");
  fRun->AddModule(Gem);
  //-------------------------  EMC       -----------------
  PndEmc *Emc = new PndEmc("EMC",kTRUE);
  Emc->SetGeometryVersion(2);
  Emc->SetStorageOfData(kFALSE);
  fRun->AddModule(Emc);
  //-------------------------  DRC       -----------------
  PndDrc *Drc = new PndDrc("DIRC", kTRUE);
  Drc->SetGeometryFileName("dirc_l0_p0.root");
  Drc->SetRunCherenkov(kFALSE);
  fRun->AddModule(Drc);
  //-------------------------  DISC      -----------------
  PndDsk* Dsk = new PndDsk("DSK", kTRUE);
  Dsk->SetGeometryFileName("dsk.root");
  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->SetMdtMagnet(kTRUE);
  Muo->SetMdtMFIron(kTRUE);
//  fRun->AddModule(Muo);
  //-------------------------  FTS       -----------------
  FairDetector *Fts= new PndFts("FTS", kTRUE);
  Fts->SetGeometryFileName("fts.geo");
  fRun->AddModule(Fts);

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


  // Particle Generator (pdgid,mult, px,py,pz, vx,vy,vz)
  // single pions for testing
//      FairParticleGenerator* partGenX   = new FairParticleGenerator(211,1, 1.,0.,0., 0.,0.,0.);
//      FairParticleGenerator* partGenY   = new FairParticleGenerator(211,1, 0.,1.,0., 0.,0.,0.);
//      FairParticleGenerator* partGenZ   = new FairParticleGenerator(211,1, 0.,0.1,1., 0.,0.,0.);
//      FairParticleGenerator* partGenXYZ = new FairParticleGenerator(211,1, 1.,1.,5., 0.,0.,0.);
//      primGen->AddGenerator(partGenX);
//      primGen->AddGenerator(partGenY);
//      primGen->AddGenerator(partGenZ);
//      primGen->AddGenerator(partGenXYZ);

 // Ion Generator
 //    FairIonGenerator *fIongen= new FairIonGenerator(79, 197,79,1, 0.,0., 25, 0.,0.,-1.);
 //    primGen->AddGenerator(fIongen);

  // Box Generator
  //Pions
 FairBoxGenerator *fBox = new FairBoxGenerator(211, nPions);
    fBox->SetPRange(0.2,2.5);
    fBox->SetThetaRange(40,120);
    fBox->SetPhiRange(0.,360.);
    fBox->SetCosTheta();
    primGen->AddGenerator(fBox);

  //EvtGen Generator
//    FairEvtGenGenerator* evtGen = new
//      FairEvtGenGenerator("/home/ralfk/Pandaroot/pandaroot/macro/mvd/output.evt");
//    primGen->AddGenerator(evtGen);

  // Urqmd  Generator
  //    FairUrqmdGenerator* urqmdGen = new FairUrqmdGenerator("../../input/00-03fm.100ev.f14");
  //    primGen->AddGenerator(urqmdGen);

  // DPM Generator
  //PndDpmGenerator* dpmGen = new PndDpmGenerator("/home/kph/stockman/fairroot/cbmroot/pandaroot/pgenerators/DpmEvtGen/Background-micro.root");
  //primGen->AddGenerator(dpmGen);

  // Field Map Definition
  // --------------------
  // 1- Reading the new field map in the old format

  //PndDpmDirect *dpmGen = new PndDpmDirect(15,1, gRandom->GetSeed());
  //primGen->AddGenerator(dpmGen);


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

  fRun->SetStoreTraj(kTRUE); // toggle this for use with EVE
  fRun->SetRadLenRegister(kFALSE); // toggle for material budget study

   fRun->Init();

// Set cuts for storing the trajectpries
//   FairTrajFilter* trajFilter = FairTrajFilter::Instance();
//     trajFilter->SetStepSizeCut(0.01); // 1 cm
//     trajFilter->SetVertexCut(-200., -200., -200, 200., 200., 200.);
//     trajFilter->SetMomentumCutP(10e-3); // p_lab > 10 MeV
//     trajFilter->SetEnergyCut(0., 1.02); // 0 < Etot < 1.04 GeV
//     trajFilter->SetStorePrimaries(kTRUE);
//     trajFilter->SetStoreSecondaries(kTRUE);



  // Transport nEvents
  // -----------------

  fRun->Run(nEvents);

  rtdb->saveOutput();
  rtdb->print();


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