biasing/GB04/exampleGB04.cc

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0025 //
0026 //
0027 /// \file exampleGB04.cc
0028 /// \brief Main program of the GB04 example
0029 //
0030
0031 #include "FTFP_BERT.hh"
0032 #include "GB04ActionInitialization.hh"
0033 #include "GB04DetectorConstruction.hh"
0034 #include "GB04PrimaryGeneratorAction.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 << " ./exampleGB04 [-m macro ] "
0051          << " [-b biasing {'on','off'}]"
0052          << "\n or\n ./exampleGB04 [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   // -- Set mandatory initialization classes
0097   GB04DetectorConstruction* detector = new GB04DetectorConstruction();
0098   runManager->SetUserInitialization(detector);
0099   // -- Select a physics list
0100   FTFP_BERT* physicsList = new FTFP_BERT;
0101   // -- And augment it with biasing facilities:
0102   G4GenericBiasingPhysics* biasingPhysics = new G4GenericBiasingPhysics();
0103   if (onOffBiasing == "on") {
0104     // -- Create list of physics processes to be biased: only brem. in this case:
0105     std::vector<G4String> processToBias;
0106     processToBias.push_back("eBrem");
0107     // -- Pass the list to the G4GenericBiasingPhysics, which will wrap the eBrem
0108     // -- process of e- and e+ to activate the biasing of it:
0109     biasingPhysics->PhysicsBias("e-", processToBias);
0110     biasingPhysics->PhysicsBias("e+", processToBias);
0111     physicsList->RegisterPhysics(biasingPhysics);
0112     G4cout << "      ********************************************************* " << G4endl;
0113     G4cout << "      ********** processes are wrapped for biasing ************ " << G4endl;
0114     G4cout << "      ********************************************************* " << G4endl;
0115   }
0116   else {
0117     G4cout << "      ************************************************* " << G4endl;
0118     G4cout << "      ********** processes are not wrapped ************ " << G4endl;
0119     G4cout << "      ************************************************* " << G4endl;
0120   }
0121   runManager->SetUserInitialization(physicsList);
0122   // -- Action initialization:
0123   runManager->SetUserInitialization(new GB04ActionInitialization);
0124
0125   // Initialize G4 kernel
0126   runManager->Initialize();
0127
0128   // Initialize visualization
0129   G4VisManager* visManager = new G4VisExecutive;
0130   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0131   visManager->Initialize();
0132
0133   // Get the pointer to the User Interface manager
0134   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0135
0136   if (!ui)  // batch mode
0137   {
0138     G4String command = "/control/execute ";
0139     UImanager->ApplyCommand(command + macro);
0140   }
0141   else {  // interactive mode : define UI session
0142     //      UImanager->ApplyCommand("/control/execute vis.mac");
0143     //      if (ui->IsGUI())
0144     //        UImanager->ApplyCommand("/control/execute gui.mac");
0145     ui->SessionStart();
0146     delete ui;
0147   }
0148
0149   delete visManager;
0150   delete runManager;
0151
0152   return 0;
0153 }
0154
0155 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....