biasing/GB06/exampleGB06.cc

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0025 //
0026 /// \file exampleGB06.cc
0027 /// \brief Main program of the biasing/GB06 example
0028
0029 #include "FTFP_BERT.hh"
0030 #include "GB06ActionInitialization.hh"
0031 #include "GB06DetectorConstruction.hh"
0032 #include "GB06ParallelWorldForSlices.hh"
0033 #include "GB06PrimaryGeneratorAction.hh"
0034
0035 #include "G4GenericBiasingPhysics.hh"
0036 #include "G4RunManagerFactory.hh"
0037 #include "G4Types.hh"
0038 #include "G4UIExecutive.hh"
0039 #include "G4UImanager.hh"
0040 #include "G4VisExecutive.hh"
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 namespace
0045 {
0046 void PrintUsage()
0047 {
0048   G4cerr << " Usage: " << G4endl;
0049   G4cerr << " ./exampleGB06 [-m macro ] "
0050          << " [-b biasing {'on','off'}]"
0051          << "\n or\n ./exampleGB06 [macro.mac]" << G4endl;
0052 }
0053 }  // namespace
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 int main(int argc, char** argv)
0058 {
0059   // Evaluate arguments
0060   //
0061   if (argc > 5) {
0062     PrintUsage();
0063     return 1;
0064   }
0065
0066   G4String macro("");
0067   G4String onOffBiasing("");
0068   if (argc == 2)
0069     macro = argv[1];
0070   else {
0071     for (G4int i = 1; i < argc; i = i + 2) {
0072       if (G4String(argv[i]) == "-m")
0073         macro = argv[i + 1];
0074       else if (G4String(argv[i]) == "-b")
0075         onOffBiasing = argv[i + 1];
0076       else {
0077         PrintUsage();
0078         return 1;
0079       }
0080     }
0081   }
0082
0083   if (onOffBiasing == "") onOffBiasing = "on";
0084
0085   // Instantiate G4UIExecutive if interactive mode
0086   G4UIExecutive* ui = nullptr;
0087   if (macro == "") {
0088     ui = new G4UIExecutive(argc, argv);
0089   }
0090
0091   // -- Construct the run manager : MT or sequential one
0092   auto* runManager = G4RunManagerFactory::CreateRunManager();
0093   runManager->SetNumberOfThreads(4);
0094
0095   G4bool biasingFlag = (onOffBiasing == "on");
0096
0097   // -- Set mandatory initialization classes
0098
0099   // -- Create geometry:
0100   auto detector = new GB06DetectorConstruction();
0101   // -- Create parallel world:
0102   auto parallelWorld = new GB06ParallelWorldForSlices("parallelWorldForSlices", biasingFlag);
0103   // -- and "augment" detector geometry with the parallelWorld one:
0104   detector->RegisterParallelWorld(parallelWorld);
0105   runManager->SetUserInitialization(detector);
0106
0107   // -- Select a physics list:
0108   auto physicsList = new FTFP_BERT;
0109   if (biasingFlag) {
0110     // -- and augment it with biasing facilities:
0111     auto biasingPhysics = new G4GenericBiasingPhysics();
0112     biasingPhysics->BeVerbose();
0113     // -- We use only the "non physics biasing" functionnality (ie, the ones which don't
0114     // -- alter physics processes behavior), and hence we equipe the physics list
0115     // -- accordingly:
0116     biasingPhysics->NonPhysicsBias("neutron");
0117     // -- we activate and configure the parallel geometry facility:
0118     biasingPhysics->AddParallelGeometry("neutron", "parallelWorldForSlices");
0119     physicsList->RegisterPhysics(biasingPhysics);
0120     G4cout << "      ********************************************************* " << G4endl;
0121     G4cout << "      ********** processes are wrapped for biasing ************ " << G4endl;
0122     G4cout << "      ********************************************************* " << G4endl;
0123   }
0124   else {
0125     G4cout << "      ************************************************* " << G4endl;
0126     G4cout << "      ********** processes are not wrapped ************ " << G4endl;
0127     G4cout << "      ************************************************* " << G4endl;
0128   }
0129   runManager->SetUserInitialization(physicsList);
0130
0131   // -- Action initialization:
0132   runManager->SetUserInitialization(new GB06ActionInitialization);
0133
0134   // Initialize G4 kernel
0135   runManager->Initialize();
0136
0137   // Initialize visualization
0138   auto visManager = new G4VisExecutive;
0139   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0140   visManager->Initialize();
0141
0142   // Get the pointer to the User Interface manager
0143   auto UImanager = G4UImanager::GetUIpointer();
0144
0145   if (macro != "")  // batch mode
0146   {
0147     G4String command = "/control/execute ";
0148     UImanager->ApplyCommand(command + macro);
0149   }
0150   else {  // interactive mode : define UI session
0151     UImanager->ApplyCommand("/control/execute vis.mac");
0152     //      if (ui->IsGUI())
0153     //              UImanager->ApplyCommand("/control/execute gui.mac");
0154     ui->SessionStart();
0155     delete ui;
0156   }
0157
0158   delete visManager;
0159   delete runManager;
0160
0161   return 0;
0162 }
0163
0164 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....