basic/B1/exampleB1.cc

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0025 //
0026 //
0027 /// \file exampleB1.cc
0028 /// \brief Main program of the B1 example
0029
0030 #include "ActionInitialization.hh"
0031 #include "DetectorConstruction.hh"
0032 #include "QBBC.hh"
0033
0034 #include "G4RunManagerFactory.hh"
0035 #include "G4SteppingVerbose.hh"
0036 #include "G4UIExecutive.hh"
0037 #include "G4UImanager.hh"
0038 #include "G4VisExecutive.hh"
0039 // #include "Randomize.hh"
0040
0041 using namespace B1;
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 int main(int argc, char** argv)
0046 {
0047   // Detect interactive mode (if no arguments) and define UI session
0048   //
0049   G4UIExecutive* ui = nullptr;
0050   if (argc == 1) {
0051     ui = new G4UIExecutive(argc, argv);
0052   }
0053
0054   // Optionally: choose a different Random engine...
0055   // G4Random::setTheEngine(new CLHEP::MTwistEngine);
0056
0057   // use G4SteppingVerboseWithUnits
0058   G4int precision = 4;
0059   G4SteppingVerbose::UseBestUnit(precision);
0060
0061   // Construct the default run manager
0062   //
0063   auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0064
0065   // Set mandatory initialization classes
0066   //
0067   // Detector construction
0068   runManager->SetUserInitialization(new DetectorConstruction());
0069
0070   // Physics list
0071   auto physicsList = new QBBC;
0072   physicsList->SetVerboseLevel(1);
0073   runManager->SetUserInitialization(physicsList);
0074
0075   // User action initialization
0076   runManager->SetUserInitialization(new ActionInitialization());
0077
0078   // Initialize visualization with the default graphics system
0079   auto visManager = new G4VisExecutive(argc, argv);
0080   // Constructors can also take optional arguments:
0081   // - a graphics system of choice, eg. "OGL"
0082   // - and a verbosity argument - see /vis/verbose guidance.
0083   // auto visManager = new G4VisExecutive(argc, argv, "OGL", "Quiet");
0084   // auto visManager = new G4VisExecutive("Quiet");
0085   visManager->Initialize();
0086
0087   // Get the pointer to the User Interface manager
0088   auto UImanager = G4UImanager::GetUIpointer();
0089
0090   // Process macro or start UI session
0091   //
0092   if (!ui) {
0093     // batch mode
0094     G4String command = "/control/execute ";
0095     G4String fileName = argv[1];
0096     UImanager->ApplyCommand(command + fileName);
0097   }
0098   else {
0099     // interactive mode
0100     UImanager->ApplyCommand("/control/execute init_vis.mac");
0101     ui->SessionStart();
0102     delete ui;
0103   }
0104
0105   // Job termination
0106   // Free the store: user actions, physics_list and detector_description are
0107   // owned and deleted by the run manager, so they should not be deleted
0108   // in the main() program !
0109
0110   delete visManager;
0111   delete runManager;
0112 }
0113
0114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....