biasing/GB03/exampleGB03.cc

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0025 //
0026
0027 #include "FTFP_BERT.hh"
0028 #include "GB03ActionInitialization.hh"
0029 #include "GB03DetectorConstruction.hh"
0030 #include "GB03PrimaryGeneratorAction.hh"
0031
0032 #include "G4GenericBiasingPhysics.hh"
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4Types.hh"
0035 #include "G4UIExecutive.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4VisExecutive.hh"
0038
0039 int main(int argc, char** argv)
0040 {
0041   // Instantiate G4UIExecutive if interactive mode
0042   G4UIExecutive* ui = nullptr;
0043   if (argc == 1) {
0044     ui = new G4UIExecutive(argc, argv);
0045   }
0046
0047   // -- Construct the run manager : MT or sequential one
0048   auto* runManager = G4RunManagerFactory::CreateRunManager();
0049   runManager->SetNumberOfThreads(4);
0050
0051   // -- Set mandatory initialization classes
0052   G4VUserDetectorConstruction* detector = new GB03DetectorConstruction;
0053   runManager->SetUserInitialization(detector);
0054   G4VModularPhysicsList* physicsList = new FTFP_BERT;
0055   // -- Setup biasing for neutron only. As will not bias any
0056   // -- physics process, require the G4GenericBiasingPhysics()
0057   // -- to modify the physics list just for "non-physics" biasing:
0058   G4GenericBiasingPhysics* biasingPhysics = new G4GenericBiasingPhysics();
0059   biasingPhysics->NonPhysicsBias("neutron");
0060   physicsList->RegisterPhysics(biasingPhysics);
0061   runManager->SetUserInitialization(physicsList);
0062
0063   // -- Set user action initialization class
0064   G4VUserActionInitialization* actions = new GB03ActionInitialization;
0065   runManager->SetUserInitialization(actions);
0066
0067   // Visualization manager
0068   //
0069   G4VisManager* visManager = new G4VisExecutive;
0070   visManager->Initialize();
0071
0072   // Initialize G4 kernel
0073   //
0074   runManager->Initialize();
0075
0076   // Get the pointer to the User Interface manager
0077   //
0078   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0079
0080   if (ui)  // Define UI session for interactive mode
0081   {
0082     UImanager->ApplyCommand("/control/execute vis.mac");
0083     ui->SessionStart();
0084     delete ui;
0085   }
0086   else  // Batch mode
0087   {
0088     G4String command = "/control/execute ";
0089     G4String fileName = argv[1];
0090     UImanager->ApplyCommand(command + fileName);
0091   }
0092
0093   delete visManager;
0094   delete runManager;
0095
0096   return 0;
0097 }