sim_gg.C

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// Macro created 20/09/2006 by S.Spataro
// It creates a geant simulation file for emc
sim_gg(TString simdatei="sim_gg.root", TString input="gg.evt", TString param="simparam.root", Int_t nEvents=10,  Char_t TransportModel[] = "TGeant4", Double_t pbeam=15, UInt_t seed=0)
{
  gRandom->SetSeed(seed);
  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");
  rootlogon();
  
  FairRunSim *fRun = new FairRunSim();
  
  // set the MC version used
  // ------------------------
  
  fRun->SetName(TransportModel);
  
  fRun->SetOutputFile(simdatei);


   // 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");
  Pipe->SetGeometryFileName("pipe.geo");
  fRun->AddModule(Pipe);

  //FairDetector *Stt= new PndStt("STT", kTRUE);
  //Stt->SetGeometryFileName("straws_skewed_blocks.geo");
  //fRun->AddModule(Stt);

  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);

  //FairDetector *Emc = new PndEmc("EMC",kTRUE);
  PndEmc *Emc = new PndEmc("EMC",kTRUE);
  //Emc->SetGeometryFileName("emc_module12345.dat"); // if you want to use old geometry for FwEndCap
  Emc->SetGeometryFileNameDouble("emc_module1245.dat","emc_module3new.root"); // if you want to use new geometry for FwEndCap
  fRun->AddModule(Emc);
  
  FairDetector *Tof = new PndTof("TOF",kTRUE);
  Tof->SetGeometryFileName("tofbarrel.geo");
  fRun->AddModule(Tof);

  FairDetector *Drc = new PndDrc("DIRC", kTRUE);
  Drc->SetGeometryFileName("dirc.geo"); 
  fRun->AddModule(Drc); 

  //PndMdt* Mdt = new PndMdt("MDT",kTRUE);
  //Mdt->SetMdtVersion("torino");
  //Mdt->SetGeometryFileName("muopars.root");
  //fRun->AddModule(Mdt);

  //FairDetector *Dch = new PndDchDetector("DCH", kTRUE);
  //Dch->SetGeometryFileName("dch.root"); 
  //fRun->AddModule(Dch);

  // Create and Set Event Generator
  //-------------------------------
  
  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
  fRun->SetGenerator(primGen);

  FairEvtGenGenerator* evtGen = new FairEvtGenGenerator(input);
  primGen->AddGenerator(evtGen);  

  //fRun->SetStoreTraj(kTRUE); // to store particle trajectories 
   fRun->SetBeamMom(pbeam);
   PndMultiField *fField= new PndMultiField();

   PndTransMap *map_t= new PndTransMap("TransMap", "R");
   PndDipoleMap *map_d1= new PndDipoleMap("DipoleMap1", "R");
   PndDipoleMap *map_d2= new PndDipoleMap("DipoleMap2", "R");
   PndSolenoidMap *map_s1= new PndSolenoidMap("SolenoidMap1", "R");
   PndSolenoidMap *map_s2= new PndSolenoidMap("SolenoidMap2", "R");
   PndSolenoidMap *map_s3= new PndSolenoidMap("SolenoidMap3", "R");
   PndSolenoidMap *map_s4= new PndSolenoidMap("SolenoidMap4", "R");

   fField->AddField(map_t);
   fField->AddField(map_d1);
   fField->AddField(map_d2);
   fField->AddField(map_s1);
   fField->AddField(map_s2);
   fField->AddField(map_s3);
   fField->AddField(map_s4);


   fRun->SetField(fField);


   fRun->Init();
  
  // Fill the Parameter containers for this run
  //-------------------------------------------
  
   FairRuntimeDb *rtdb=fRun->GetRuntimeDb();
   Bool_t kParameterMerged=kTRUE;
  
  
    PndMultiFieldPar* Par = (PndMultiFieldPar*) rtdb->getContainer("PndMultiFieldPar");
    if (fField) {  Par->SetParameters(fField); }
    Par->setInputVersion(fRun->GetRunId(),1);
    Par->setChanged();
  
   FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged);
   output->open(param);
   
   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);
  
}