B3/B3a/exampleB3a.cc

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0025 //
0026 //
0027 /// \file exampleB3a.cc
0028 /// \brief Main program of the B3a example
0029
0030 #include "ActionInitialization.hh"
0031 #include "DetectorConstruction.hh"
0032 #include "PhysicsList.hh"
0033
0034 #include "G4AnalysisManager.hh"
0035 #include "G4RunManagerFactory.hh"
0036 #include "G4SteppingVerbose.hh"
0037 #include "G4TScoreNtupleWriter.hh"
0038 #include "G4Types.hh"
0039 #include "G4UIExecutive.hh"
0040 #include "G4UImanager.hh"
0041 #include "G4VisExecutive.hh"
0042 // #include "Randomize.hh"
0043
0044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0045
0046 int main(int argc, char** argv)
0047 {
0048   // Detect interactive mode (if no arguments) and define UI session
0049   //
0050   G4UIExecutive* ui = nullptr;
0051   if (argc == 1) {
0052     ui = new G4UIExecutive(argc, argv);
0053   }
0054
0055   // Optionally: choose a different Random engine...
0056   // G4Random::setTheEngine(new CLHEP::MTwistEngine);
0057
0058   // use G4SteppingVerboseWithUnits
0059   G4int precision = 4;
0060   G4SteppingVerbose::UseBestUnit(precision);
0061
0062   // Construct the default run manager
0063   //
0064   auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0065
0066   // Set mandatory initialization classes
0067   //
0068   runManager->SetUserInitialization(new B3::DetectorConstruction);
0069   //
0070   runManager->SetUserInitialization(new B3::PhysicsList);
0071
0072   // Set user action initialization
0073   //
0074   runManager->SetUserInitialization(new B3a::ActionInitialization());
0075
0076   // Initialize visualization
0077   //
0078   auto visManager = new G4VisExecutive;
0079   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0080   // auto visManager = new G4VisExecutive("Quiet");
0081   visManager->Initialize();
0082
0083   // Get the pointer to the User Interface manager
0084   auto UImanager = G4UImanager::GetUIpointer();
0085
0086   // Activate score ntuple writer
0087   // The verbose level can be also set via UI commands
0088   // /score/ntuple/writerVerbose level
0089   // The default file type ("root") can be changed in xml, csv, hdf5
0090   // scoreNtupleWriter.SetDefaultFileType("xml");
0091   G4TScoreNtupleWriter<G4AnalysisManager> scoreNtupleWriter;
0092   scoreNtupleWriter.SetVerboseLevel(1);
0093   scoreNtupleWriter.SetNtupleMerging(true);
0094   // Note: merging ntuples is available only with Root output
0095   // (the default in G4TScoreNtupleWriter)
0096
0097   // Process macro or start UI session
0098   //
0099   if (!ui) {
0100     // batch mode
0101     G4String command = "/control/execute ";
0102     G4String fileName = argv[1];
0103     UImanager->ApplyCommand(command + fileName);
0104   }
0105   else {
0106     // interactive mode
0107     UImanager->ApplyCommand("/control/execute init_vis.mac");
0108     ui->SessionStart();
0109     delete ui;
0110   }
0111
0112   // Job termination
0113   // Free the store: user actions, physics_list and detector_description are
0114   // owned and deleted by the run manager, so they should not be deleted
0115   // in the main() program !
0116
0117   delete visManager;
0118   delete runManager;
0119 }
0120
0121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....