sim_hypGe_TestGeo.C

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// Macro created 5/04/2007 by A.Sanchez
// It creates a geant simulation file for hypGe
int sim_hypGe_TestGeo(Int_t nEvents , Int_t WhichDetector,Double_t Energy,Bool_t addSecTar)
{
        // Load basic libraries
  // If it does not work,  please check the path of the libs and put it         by hands
        gROOT->Macro("$VMCWORKDIR/gconfig/rootlogon.C");
        gSystem->Load("libHypGe");
        gSystem->Load("libHyp");  
        FairRunSim *fRun = new FairRunSim();

        TStopwatch timer;
        timer.Start();
        gDebug=0;
  
        //Choose geometry
        TString outFile="$SIMDATADIR/GeantTest/";                                                       // If no SIMDATADIR, same folder as the macro
        TString GeoFile;
        
                GeoFile = "hypGeGeoGeantTestGeometry.root";
                outFile += "hypGeGeoGeantTestGeometry_";
        
  // Set the number of events

        // Set the gamma energy

        // choose Co60
        bool isCo60 = false;
        //compose the name of the output file and the simparams file
        
        if (!isCo60)
        {
                outFile += Energy*1000;
                outFile += "MeV_";
        }
        else
        {
                outFile += "Co60_";
        }
        outFile += nEvents;
        outFile += "Evts";
        if (addSecTar)
        {
                outFile += "withSecTar";
        }
        
        TString SimparamsFile;
        SimparamsFile=outFile;
        outFile +=".root";
        SimparamsFile += "__Simparams.root";

        //TString inFile="/d/panda02/urqmd_smm/pbarC_3_GeV.root";
  //TString inFile="/u/asanchez/razhyp_gt12.dat";
  // set the MC version used
  // ------------------------
  
        fRun->SetName("TGeant4");

        fRun->SetOutputFile(outFile);
  // Set Material file Name
  //-----------------------
  
        fRun->SetMaterials("media_pnd_hypGe.geo");
  
  // Create and add detectors
  //-------------------------

        FairModule *Cave= new PndCave("CAVE");
        Cave->SetGeometryFileName("pndcave_vacuum.geo");
        fRun->AddModule(Cave); 

        PndHypGe *HypGe= new PndHypGe("HYPGE",kTRUE);
                TString nam = gSystem->Getenv("VMCWORKDIR");
                HypGe->SetPathGeo(nam.Data());
                HypGe->SetGeometryFileName(GeoFile);
                fRun->AddModule(HypGe); 

        if (addSecTar)
        {  
                PndHyp *Hyp= new PndHyp("HYP",kFALSE);
                Hyp->SetAbsorverVol("Absorber"); // absorber layer
                Hyp->SetSensorVol("Sensor");   // silicon sensor
                Hyp->SetGeometryFileName("SekTarget_open_varAbs4_3Q_HYPbe_1mm.root");
                fRun->AddModule(Hyp); 
        }
  //    FairDetector *Drc = new FairDrc("DIRC", kTRUE);
  //    Drc->SetGeometryFileName("dirc.geo");
  //    fRun->AddModule(Drc);

  //  FairModule *Magnet= new FairMagnet("MAGNET");
  //   Magnet->SetGeometryFileName("magnet.geo");
  //   fRun->AddModule(Magnet);

  //  FairDetector *Emc = new FairEmc("EMC",kTRUE);
  //   Emc->SetGeometryFileName("emc_module123.dat"); 
  //   fRun->AddModule(Emc);
  
  // Create and Set Event Generator
  //-------------------------------
  
        FairPrimaryGenerator* primGen = new FairPrimaryGenerator();
        fRun->SetGenerator(primGen);

  // Box Generator: 
  //  FairBoxGenerator* boxGen = new FairBoxGenerator(211, 1); 
  // 13 = muon; 1 = multipl. // 211 = pi+
  // first number: PDG particle code: 2nd number: particle multiplicity per event
  
  
        PndBoxGenerator* boxGen = new PndBoxGenerator(22, 1);
        if (!isCo60) 
                boxGen->SetPRange(Energy,Energy); // GeV/c
        else
                boxGen->SetPRange(0.001172,0.001172);   //set first line of Co60 in GeV/c
  // boxGen->SetPtRange(1.,1.); // GeV/c
        boxGen->SetPhiRange(0., 0.); // Azimuth angle range [degree]
        boxGen->SetThetaRange(180., 180.); // Polar angle in lab system range [degree]
  //boxGen->SetCosTheta(); // Set uniform ditribution in cos(theta)
        boxGen->SetXYZ(0., 0., -55.); // vertex coordinates [cm]
        primGen->AddGenerator(boxGen);

        if (isCo60)
        { 
                PndBoxGenerator* boxGen2 = new PndBoxGenerator(22, 1); 
                boxGen2->SetPRange(0.001332,0.001332); // GeV/c
                //boxGen2->SetPtRange(1.,1.); // GeV/c
                boxGen2->SetPhiRange(0., 360.); // Azimuth angle range [degree]
                boxGen2->SetThetaRange(90., 180.); // Polar angle in lab system range [degree]
                //boxGen2->SetCosTheta(); // Set uniform ditribution in cos(theta)
                boxGen2->SetXYZ(0., 0., -55.); // vertex coordinates [cm]
                primGen->AddGenerator(boxGen2);
        }

        
/*
  PndBoxGenerator* boxGen2 = new PndBoxGenerator(-211, 1); 
  boxGen2->SetPRange(0.09,0.1); // GeV/c
  // boxGen->SetPtRange(1.,1.); // GeV/c
  boxGen2->SetPhiRange(0., 360.); // Azimuth angle range [degree]
  boxGen2->SetThetaRange(120., 180.); // Polar angle in lab system range [degree]
  boxGen2->SetCosTheta(); // Set uniform ditribution in cos(theta)
  boxGen2->SetXYZ(0., 0., -76.); // vertex coordinates [cm]
                                  */
  //primGen->AddGenerator(boxGen);  
  /*
  TChain *t =new TChain("data");
   t->Add(inFile);
   PndUrqmdSmmGenerator* AsciiGen = new PndUrqmdSmmGenerator(t);
     primGen->SetTarget(-76.,0.);
     primGen->AddGenerator(AsciiGen);
  */
  
    /*FairAsciiGenerator* AsciiGen = new FairAsciiGenerator(inFile);
    //primGen->SetTarget(-150.,0.);
    primGen->AddGenerator(AsciiGen);
        */
  
        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(SimparamsFile);
        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);
  
  return 0;
}