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pamelats |
1.1 |
// $Id: run_g4.C,v 1.0 2007/06/01 |
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// |
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// Macro for running G4PAM_VMC with Geant4. |
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void run_g4_GP_Chain(const TString& configMacro = "g4Config.C") { |
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// Load basic libraries |
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gROOT->LoadMacro("./macro/basiclibs.C"); |
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basiclibs(); |
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// Load PAMELA libs |
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TString PAMLIB=gSystem->Getenv("PAM_LIB"); |
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gSystem->Load(PAMLIB+"/libyoda.so"); |
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gSystem->Load(PAMLIB+"/libDarthVader.so"); |
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gSystem->Load(PAMLIB+"/libPamLevel2.so"); |
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// Load Geant4 libraries |
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gROOT->LoadMacro("./macro/PamG4Libs.C"); |
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PamG4Libs(); |
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// Load this example libraries |
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TString G4WD=gSystem->Getenv("G4WORKDIR"); |
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TString PLAT=gSystem->Getenv("PLATFORM"); |
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gSystem->Load(G4WD+"/lib/tgt_"+PLAT+"/libPamVMC_fc"); |
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// MC application |
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PamVMCApplication* appl |
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= new PamVMCApplication("PAMG4_VMC", "PAMELA GEANT4 VMC application"); |
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appl->GetPrimaryGenerator()->SetNofPrimaries(1); |
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// Initialize MC |
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appl->InitMC(configMacro); |
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((TGeant4*)gMC)->ProcessGeantMacro("g4config2.in"); |
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//START READING INPUT FILE |
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Int_t Ipa; |
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Float_t X0, Y0, Z0, Theta, Phi, P0; |
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TChain * h20 = new TChain("h20"); |
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//TString Filename = "ele_5-6_n2.Beam.root"; |
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TString HOME=gSystem->Getenv("HOME"); |
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TSystemDirectory *readdir=new TSystemDirectory("readdir",HOME+"/RES"); |
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// TList * list = readdir->GetListOfFiles(); |
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h20->Add(HOME+"/RES/ele_r1_5-6.Beam.root"); |
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h20->Add(HOME+"/RES/ele_r2_5-6.Beam.root"); |
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h20->Add(HOME+"/RES/ele_r3_5-6.Beam.root"); |
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// h20->Add(HOME+"/RES/ele_n4_5-6.Beam.root"); |
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//if (list->FindObject(Filename) ){ |
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// cout<< Filename<<" found..."<<endl; |
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// TFile* inpf = new TFile(HOME+"/RES/"+Filename); |
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//h20 = (Te*)inpf->Get("h20"); |
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if (h20->GetBranch("Ipa")){ |
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h20->SetBranchAddress("Ipa",&Ipa); |
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h20->SetBranchStatus("Ipa",1); |
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} |
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if (h20->GetBranch("X0")){ |
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h20->SetBranchAddress("X0",&X0); |
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h20->SetBranchStatus("X0",1); |
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} |
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if (h20->GetBranch("Y0")){ |
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h20->SetBranchAddress("Y0",&Y0); |
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h20->SetBranchStatus("Y0",1); |
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} |
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if (h20->GetBranch("Z0")){ |
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h20->SetBranchAddress("Z0",&Z0); |
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h20->SetBranchStatus("Z0",1); |
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} |
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if (h20->GetBranch("P0")){ |
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h20->SetBranchAddress("P0",&P0); |
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h20->SetBranchStatus("P0",1); |
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} |
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if (h20->GetBranch("Theta")){ |
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h20->SetBranchAddress("Theta",&Theta); |
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h20->SetBranchStatus("Theta",1); |
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} |
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if (h20->GetBranch("Phi")){ |
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h20->SetBranchAddress("Phi",&Phi); |
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h20->SetBranchStatus("Phi",1); |
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} |
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Int_t nevents = (Int_t)h20->GetEntries(); |
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// nevents = 200; |
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cout<<"PROCESS "<<nevents<<" EVENTS"<<endl; |
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TParticlePDG* particlePDG = TDatabasePDG::Instance()->GetParticle(kElectron); //correct |
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Double_t mass = particlePDG->Mass(); |
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Double_t PX, PY, PZ; |
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for (Int_t i=0; i<nevents; i++){ |
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h20->GetEntry(i); |
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appl->GetPrimaryGenerator()->SetKinEnergy(sqrt(P0*P0+mass*mass)-mass); |
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cout<<"EKIN "<<appl->GetPrimaryGenerator()->GetKinEnergy()<<" GeV"<<endl; |
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//cout<<"RIG "<<appl->GetPrimaryGenerator()->GetRigidity()<<" GV"<<endl; |
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PX=P0*sin(Theta)*cos(Phi); |
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PY=P0*sin(Theta)*sin(Phi); |
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PZ=-P0*cos(Theta); |
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cout<<"(PX0,PY0,PZ0)="<<PX<<","<<PY<<","<<PZ<<endl; |
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appl->GetPrimaryGenerator()->SetDirection(PX,PY,PZ); |
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cout<<"(X0,Y0,Z0)"<<X0<<","<<Y0<<","<<Z0<<endl; |
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appl->GetPrimaryGenerator()->SetPosition(X0,Y0,Z0); |
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appl->RunMC(1); |
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} |
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// Visualization settings |
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// ((TGeant4*)gMC)->ProcessGeantMacro("g4vis.in"); |
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// inpf.cd(); |
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// delete inpf; |
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// Run MC |
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// appl->RunMC(1000); |
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appl->FinishRun(); |
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// ((TGeant4*)gMC)->StartGeantUI(); |
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// delete appl; |
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} |
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