basic/B1/exampleB1.cc

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0025 //
0026 /// \file exampleB1.cc
0027 /// \brief Main program of the basic/B1 example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "QBBC.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4SteppingVerbose.hh"
0035 #include "G4UIExecutive.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4VisExecutive.hh"
0038 // #include "Randomize.hh"
0039
0040 using namespace B1;
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 int main(int argc, char** argv)
0045 {
0046   // Detect interactive mode (if no arguments) and define UI session
0047   //
0048   G4UIExecutive* ui = nullptr;
0049   if (argc == 1) {
0050     ui = new G4UIExecutive(argc, argv);
0051   }
0052
0053   // Optionally: choose a different Random engine...
0054   // G4Random::setTheEngine(new CLHEP::MTwistEngine);
0055
0056   // use G4SteppingVerboseWithUnits
0057   G4int precision = 4;
0058   G4SteppingVerbose::UseBestUnit(precision);
0059
0060   // Construct the default run manager
0061   //
0062   auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0063
0064   // Set mandatory initialization classes
0065   //
0066   // Detector construction
0067   runManager->SetUserInitialization(new DetectorConstruction());
0068
0069   // Physics list
0070   auto physicsList = new QBBC;
0071   physicsList->SetVerboseLevel(1);
0072   runManager->SetUserInitialization(physicsList);
0073
0074   // User action initialization
0075   runManager->SetUserInitialization(new ActionInitialization());
0076
0077   // Initialize visualization with the default graphics system
0078   auto visManager = new G4VisExecutive(argc, argv);
0079   // Constructors can also take optional arguments:
0080   // - a graphics system of choice, eg. "OGL"
0081   // - and a verbosity argument - see /vis/verbose guidance.
0082   // auto visManager = new G4VisExecutive(argc, argv, "OGL", "Quiet");
0083   // auto visManager = new G4VisExecutive("Quiet");
0084   visManager->Initialize();
0085
0086   // Get the pointer to the User Interface manager
0087   auto UImanager = G4UImanager::GetUIpointer();
0088
0089   // Process macro or start UI session
0090   //
0091   if (!ui) {
0092     // batch mode
0093     G4String command = "/control/execute ";
0094     G4String fileName = argv[1];
0095     UImanager->ApplyCommand(command + fileName);
0096   }
0097   else {
0098     // interactive mode
0099     UImanager->ApplyCommand("/control/execute init_vis.mac");
0100     ui->SessionStart();
0101     delete ui;
0102   }
0103
0104   // Job termination
0105   // Free the store: user actions, physics_list and detector_description are
0106   // owned and deleted by the run manager, so they should not be deleted
0107   // in the main() program !
0108
0109   delete visManager;
0110   delete runManager;
0111 }
0112
0113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....