// Macro for running Cbm with Geant3 or Geant4 (M. Al-Turany , D. Bertini) // Modified 22/06/2005 D.Bertini { TStopwatch timer; timer.Start(); gDebug=0; // Load basic libraries gROOT->LoadMacro("$VMCWORKDIR/gconfig/rootlogon.C"); rootlogon();//basic libraries FairRunSim *fRun = new FairRunSim(); // set the MC version used // ------------------------ fRun->SetName("TGeant3"); // Choose the Geant Navigation System // fRun->SetGeoModel("G3Native"); fRun->SetOutputFile("testrun.root"); // ----- Magnetic field ------------------------------------------- // Constant Field PndConstField *fMagField = new PndConstField(); fMagField->SetField(0., 0. ,20. ); // values are in kG fMagField->SetFieldRegion(-50, 50,-50, 50, -50, 120);// values are in cm (xmin,xmax,ymin,ymax,zmin,zmax) fRun->SetField(fMagField); // -------------------------------------------------------------------- // 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); FairDetector *Stt= new PndStt("STT", kTRUE); Stt->SetGeometryFileName("straws_skewed_blocks_pipe_120cm.geo"); fRun->AddModule(Stt); // Create and Set Event Generator //------------------------------- FairPrimaryGenerator* primGen = new FairPrimaryGenerator(); fRun->SetGenerator(primGen); // Box Generator FairBoxGenerator* boxGen = new FairBoxGenerator(13, 1); // 13 = muon; 1 = multipl. boxGen->SetPRange(1.,1.); // GeV/c //setPRange vs setPtRange boxGen->SetPhiRange(0, 360); // Azimuth angle range [degree] boxGen->SetThetaRange(0, 180); // Polar angle in lab system range [degree] boxGen->SetCosTheta();//uniform generation on all the solid angle(default) // boxGen->SetXYZ(0., 0.37, 0.); primGen->AddGenerator(boxGen); fRun->SetStoreTraj(kTRUE); fRun->Init(); // -Trajectories Visualization (TGeoManager Only ) // ----------------------------------------------- ; // Set cuts for storing the trajectpries /* FairTrajFilter* trajFilter = FairTrajFilter::Instance(); 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("testparams.root"); rtdb->setOutput(output); rtdb->saveOutput(); rtdb->print(); // Transport nEvents // ----------------- Int_t nEvents = 1000; 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); }