biasing/GB07/exampleGB07.cc

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0025 //
0026 /// \file GB07/exampleGB07.cc
0027 /// \brief Main program of the GB07 example
0028 //
0029 //
0030
0031 #include "FTFP_BERT.hh"
0032 #include "GB07ActionInitialization.hh"
0033 #include "GB07DetectorConstruction.hh"
0034 #include "GB07PrimaryGeneratorAction.hh"
0035
0036 #include "G4GenericBiasingPhysics.hh"
0037 #include "G4RunManagerFactory.hh"
0038 #include "G4Types.hh"
0039 #include "G4UIExecutive.hh"
0040 #include "G4UImanager.hh"
0041 #include "G4VisExecutive.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 namespace
0046 {
0047 void PrintUsage()
0048 {
0049   G4cerr << " Usage: " << G4endl;
0050   G4cerr << " ./exampleGB07 [-m macro ] "
0051          << " [-b biasing {'on','off'}]"
0052          << "\n or\n ./exampleGB07 [macro.mac]" << G4endl;
0053 }
0054 }  // namespace
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0057
0058 int main(int argc, char** argv)
0059 {
0060   // Evaluate arguments
0061   //
0062   if (argc > 5) {
0063     PrintUsage();
0064     return 1;
0065   }
0066
0067   G4String macro("");
0068   G4String onOffBiasing("");
0069   if (argc == 2)
0070     macro = argv[1];
0071   else {
0072     for (G4int i = 1; i < argc; i = i + 2) {
0073       if (G4String(argv[i]) == "-m")
0074         macro = argv[i + 1];
0075       else if (G4String(argv[i]) == "-b")
0076         onOffBiasing = argv[i + 1];
0077       else {
0078         PrintUsage();
0079         return 1;
0080       }
0081     }
0082   }
0083
0084   if (onOffBiasing == "") onOffBiasing = "on";
0085
0086   // Instantiate G4UIExecutive if interactive mode
0087   G4UIExecutive* ui = nullptr;
0088   if (macro == "") {
0089     ui = new G4UIExecutive(argc, argv);
0090   }
0091
0092   // -- Construct the run manager : MT or sequential one
0093   auto* runManager = G4RunManagerFactory::CreateRunManager();
0094   runManager->SetNumberOfThreads(4);
0095
0096   G4bool biasingFlag = (onOffBiasing == "on");
0097
0098   // -- Set mandatory initialization classes
0099   auto detector = new GB07DetectorConstruction(biasingFlag);
0100   runManager->SetUserInitialization(detector);
0101   // -- Select a physics list
0102   auto physicsList = new FTFP_BERT;
0103   if (biasingFlag) {
0104     // -- And augment it with biasing facilities:
0105     auto biasingPhysics = new G4GenericBiasingPhysics();
0106     // -- Specify the processes that will be under biasing:
0107     // ---- Decide to apply the technique to hadronic inelastic interactions:
0108     std::vector<G4String> piPlusProcessesToBias, piMinusProcessesToBias, protonProcessesToBias,
0109       antiProtonProcessesToBias, neutronProcessesToBias, antiNeutronProcessesToBias;
0110     piPlusProcessesToBias.push_back("pi+Inelastic");
0111     piMinusProcessesToBias.push_back("pi-Inelastic");
0112     protonProcessesToBias.push_back("protonInelastic");
0113     antiProtonProcessesToBias.push_back("anti_protonInelastic");
0114     neutronProcessesToBias.push_back("neutronInelastic");
0115     neutronProcessesToBias.push_back("nCapture");
0116     antiNeutronProcessesToBias.push_back("anti_neutronInelastic");
0117     biasingPhysics->PhysicsBias("pi+", piPlusProcessesToBias);
0118     biasingPhysics->PhysicsBias("pi-", piMinusProcessesToBias);
0119     biasingPhysics->PhysicsBias("proton", protonProcessesToBias);
0120     biasingPhysics->PhysicsBias("anti_proton", antiProtonProcessesToBias);
0121     biasingPhysics->PhysicsBias("neutron", neutronProcessesToBias);
0122     biasingPhysics->PhysicsBias("anti_neutron", antiNeutronProcessesToBias);
0123     // ---- Apply also the technique to some EM processes (producing at least
0124     // ---- 2 same or 2 particle - anti-particle pairs):
0125     std::vector<G4String> gammaProcessesToBias, electronProcessesToBias, positronProcessesToBias;
0126     gammaProcessesToBias.push_back("conv");
0127     gammaProcessesToBias.push_back("photonNuclear");
0128     electronProcessesToBias.push_back("electronNuclear");
0129     positronProcessesToBias.push_back("annihil");
0130     positronProcessesToBias.push_back("positronNuclear");
0131     biasingPhysics->PhysicsBias("gamma", gammaProcessesToBias);
0132     biasingPhysics->PhysicsBias("e-", electronProcessesToBias);
0133     biasingPhysics->PhysicsBias("e+", positronProcessesToBias);
0134     // ---- And apply it to pi0 decay:
0135     std::vector<G4String> pi0ProcessesToBias;
0136     pi0ProcessesToBias.push_back("Decay");
0137     biasingPhysics->PhysicsBias("pi0", pi0ProcessesToBias);
0138     // --
0139     physicsList->RegisterPhysics(biasingPhysics);
0140     G4cout << "      ********************************************************* " << G4endl;
0141     G4cout << "      ********** processes are wrapped for biasing ************ " << G4endl;
0142     G4cout << "      ********************************************************* " << G4endl;
0143   }
0144   else {
0145     G4cout << "      ************************************************* " << G4endl;
0146     G4cout << "      ********** processes are not wrapped ************ " << G4endl;
0147     G4cout << "      ************************************************* " << G4endl;
0148   }
0149   runManager->SetUserInitialization(physicsList);
0150   // -- Action initialization:
0151   runManager->SetUserInitialization(new GB07ActionInitialization);
0152
0153   // Initialize G4 kernel
0154   runManager->Initialize();
0155
0156   // Initialize visualization
0157   auto visManager = new G4VisExecutive;
0158   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0159   visManager->Initialize();
0160
0161   // Get the pointer to the User Interface manager
0162   auto UImanager = G4UImanager::GetUIpointer();
0163
0164   if (macro != "")  // batch mode
0165   {
0166     G4String command = "/control/execute ";
0167     UImanager->ApplyCommand(command + macro);
0168   }
0169   else {  // interactive mode : define UI session
0170     UImanager->ApplyCommand("/control/execute vis.mac");
0171     //      if (ui->IsGUI())
0172     //        UImanager->ApplyCommand("/control/execute gui.mac");
0173     ui->SessionStart();
0174     delete ui;
0175   }
0176
0177   delete visManager;
0178   delete runManager;
0179 }
0180
0181 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....