sim_hypGe_extparameters.C

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// Macro created 5/04/2007 by A.Sanchez
// It creates a geant simulation file for hypGe
// 16.09.13: steinen: added sec target (air version) to use PndVolGenerator without material
void sim_Gamma(Int_t nEvents = 1000, Int_t WhichDetector = 36,Double_t Energy = 0.001,Bool_t addSecTar = 1)
{
        // 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;
        TDatime now;
  gRandom->SetSeed(now.Convert());
  cout << now.Convert() << endl;
        //Choose geometry
        TString outFile="$SIMDATADIR/Gamma/";                                                   // If no SIMDATADIR, same folder as the macro
        TString GeoFile;
        if (WhichDetector == 3)
        {
                GeoFile ="hypGe_GeoMarcell.root";
                outFile += "TripleV2_";
        }
        else if (WhichDetector == 31)
        {
                GeoFile = "hypGeGeoTripleCluster_V3.root";
                outFile += "TripleBall30_";
        }
        else if (WhichDetector == 32)
        {
                GeoFile = "hypGeGeoTripleCluster_Straight.root";
                outFile += "TripleStraight_";
        }
        else if (WhichDetector == 33)
        {
                GeoFile = "hypGeGeoTripleCluster_Ball40_Offset10.root";
                outFile += "TripleBall40Offset10_";
        }
        else if (WhichDetector == 34)
        {
                GeoFile = "hypGeGeoTripleCluster_Ball40_Offset20.root";
                outFile += "TripleBall40Offset20_";
        }
        else if (WhichDetector == 35)
        {
                GeoFile = "hypGeGeoTripleCluster_Ball40_Offset10_STTFitting.root";
                outFile += "TripleBall40Offset10STT_";
        }
        else if (WhichDetector == 36)
        {
                GeoFile = "hypGeGeoTripleCluster_Ball40_Offset20_STTFitting.root";
                outFile += "TripleBall40Offset20STT_";
        }
        
        else if (WhichDetector == 2)
        {
                GeoFile = "hypGe_GeoMarcell_2er.root";
                outFile += "DoubleV2_";
        }
        else if (WhichDetector == 21)
        {
                GeoFile = "hypGeGeoDoubleCluster_V3.root";
                outFile += "DoubleV3_";
        }

        // 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.geo");
        fRun->AddModule(Cave); 


        if (addSecTar)
        {  
                //acc sec. target
                PndHyp *Hyp= new PndHyp("HYP",kFALSE);
                Hyp->SetAbsorberVol("Absorber"); // absorber layer
                Hyp->SetSensorVol("Sensor");   // silicon sensor
                Hyp->SetGeometryFileName("../macro/hyp/Sebastian/SekTarget_open_varAbs4Si5_3Q_HYPbe_1mm_MVD.root");
                fRun->AddModule(Hyp); 
                
                //add MVD outer barrel
                FairDetector *Mvd = new PndMvdDetector("MVD", kFALSE);
                Mvd->SetGeometryFileName("../macro/hyp/Sebastian/Mvd-2.2_Simplified_onlyStrip5_z-verschoben550.root");  
                fRun->AddModule(Mvd);
        }
        else
        {
                PndHyp *Hyp= new PndHyp("HYP",kFALSE);
                Hyp->SetAbsorberVol("Absorber"); // absorber layer
                Hyp->SetSensorVol("Sensor");   // silicon sensor
                Hyp->SetGeometryFileName("../macro/hyp/Sebastian/SekTarget_open_varAbs4Si5_3Q_HYPbe_1mm_MVD_air.root");
                fRun->AddModule(Hyp); 
        }
        PndHypGe *HypGe= new PndHypGe("HYPGE",kTRUE);
                TString nam = gSystem->Getenv("VMCWORKDIR");
                HypGe->SetPathGeo(nam.Data());
                HypGe->SetGeometryFileName(GeoFile);
                fRun->AddModule(HypGe); 
  
  // 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
  
  bool boxgen = false;
  bool volgen = true;
  if(boxgen)
        {       
                PndBoxGenerator* boxGen = new PndBoxGenerator(22, 1);
                boxGen->SetXYZ(0., 0., -55.); // vertex coordinates [cm]
                if (!isCo60) 
                        boxGen->SetPRange(Energy,Energy); // GeV/c
                else
                        boxGen->SetPRange(0.001172,0.001172);   //set first line of Co60 in GeV/c
                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);
                }
        }
        if (volgen)
        {
                PndVolGenerator* boxGen = new PndVolGenerator(22, 1);
                TF1 *f1 = new TF1("f1","0.427842106*exp(-x/3.35703)", 4.5, 8.4999);  // Factor makes no difference!
                //double r = f1->GetRandom();
                boxGen->SetVolTgFc(2, f1); // 2=Setting quadrant 2 
                boxGen->SetPRange(Energy,Energy); // GeV/c
        }
        
  // boxGen->SetPtRange(1.,1.); // GeV/c
  
        boxGen->SetPhiRange(0., 360.); // Azimuth angle range [degree]
        boxGen->SetThetaRange(90., 180.); // Polar angle in lab system range [degree]
  //boxGen->SetCosTheta(); // Set uniform ditribution in cos(theta)
        
        primGen->AddGenerator(boxGen);

  
        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);
  
}