void runMC(Int_t nrOfEvents=10, Double_t momentum=1.0, Char_t particle[]="e-") { TStopwatch timer; timer.Start(); gDebug=0; // Load basic libraries gROOT->LoadMacro("$VMCWORKDIR/gconfig/basiclibs.C"); basiclibs(); // Load this example libraries gSystem->Load("libGeoBase"); gSystem->Load("libParBase"); gSystem->Load("libBase"); gSystem->Load("libPndData"); gSystem->Load("libGen"); gSystem->Load("libPGen"); gSystem->Load("libField"); gSystem->Load("libPassive"); gSystem->Load("libStt"); gSystem->Load("libMuo"); gSystem->Load("libEmc"); gSystem->Load("libMvd"); gSystem->Load("libDrcProp"); gSystem->Load("libDrc"); gSystem->Load("libTof"); gSystem->Load("libgenfit"); gSystem->Load("libtpc"); gSystem->Load("libtpcreco"); gSystem->Load("libTrkBase"); gSystem->Load("libtrackrep"); gSystem->Load("librecotasks"); FairRunSim *fRun = new FairRunSim(); // set the MC version used // ------------------------ fRun->SetName("TGeant3"); fRun->SetOutputFile("mc.root"); // Set Material file Name //----------------------- fRun->SetMaterials("media_pnd.geo"); // Create and add detectors //------------------------- FairModule *Cave= new PndCave("CAVE"); Cave->SetGeometryFileName("cave.geo"); fRun->AddModule(Cave); //FairModule *Magnet= new PndMagnet("MAGNET"); //Magnet->SetGeometryFileName("magnet.geo"); //fRun->AddModule(Magnet); FairModule *Pipe= new PndPipe("PIPE"); Pipe->SetGeometryFileName("pipebeamtarget.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("MVD14.root"); fRun->AddModule(Mvd); FairDetector *Drc = new PndDrc("DIRC", kTRUE); Drc->SetGeometryFileName("dirc.geo"); fRun->AddModule(Drc); FairDetector *Emc = new PndEmc("EMC",kTRUE); Emc->SetGeometryFileName("emc_module1234.dat"); fRun->AddModule(Emc); // Create and Set Event Generator //------------------------------- FairPrimaryGenerator* primGen = new FairPrimaryGenerator(); fRun->SetGenerator(primGen); TDatabasePDG *pdg = new TDatabasePDG(); Int_t pid = pdg->GetParticle(particle)->PdgCode(); PndBoxGenerator* boxGen = new PndBoxGenerator(pid,1); boxGen->SetPRange(momentum,momentum); // GeV/c boxGen->SetPhiRange(0., 360.); // Azimuth angle range [degree] boxGen->SetThetaRange(0., 180.); // Polar angle in lab system range [degree] boxGen->SetCosTheta(); // Set uniform ditribution in cos(theta) // boxGen->SetXYZ(0., 0., 0.); // vertex coordinates [cm] primGen->AddGenerator(boxGen); PndMultiField *fField= new PndMultiField(); PndTransMap *map= new PndTransMap("TransMap", "R"); PndDipoleMap *map1= new PndDipoleMap("DipoleMap", "R"); PndSolenoidMap *map2= new PndSolenoidMap("SolenoidMap", "R"); fField->AddField(map); fField->AddField(map1); fField->AddField(map2); //magnetic field /* PndConstField *fMagField=new PndConstField(); 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) fField->AddField(fMagField); */ fRun->SetField(fField); fRun->SetStoreTraj(kTRUE); fRun->Init(); // -Trajectories Visualization // ---------------------------- FairTrajFilter* trajFilter = FairTrajFilter::Instance(); // Set cuts for storing the trajectpries trajFilter->SetStepSizeCut(0.01); // 1 cm // trajFilter->SetVertexCut(-2000., -2000., 4., 2000., 2000., 100.); // trajFilter->SetMomentumCutP(10e-3); // p_lab > 10 MeV // trajFilter->SetEnergyCut(0., 1.02); // 0 < Etot < 1.04 GeV trajFilter->SetStorePrimaries(kTRUE); trajFilter->SetStoreSecondaries(kTRUE); // Fill the Parameter containers for this run //------------------------------------------- FairRuntimeDb *rtdb=fRun->GetRuntimeDb(); Bool_t kParameterMerged=kTRUE; FairParRootFileIo* output=new FairParRootFileIo(kParameterMerged); output->open("params.root"); rtdb->setOutput(output); PndMultiFieldPar* Par = (PndMultiFieldPar*) rtdb->getContainer("PndMultiFieldPar"); if (fField) { Par->SetParameters(fField); } Par->setInputVersion(fRun->GetRunId(),1); Par->setChanged(); rtdb->saveOutput(); rtdb->print(); // Transport nEvents // ----------------- Int_t nEvents = nrOfEvents; 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); }