B3/B3a/exampleB3a.cc

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0025 //
0026 /// \file exampleB3a.cc
0027 /// \brief Main program of the B3/B3a example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "PhysicsList.hh"
0032
0033 #include "G4AnalysisManager.hh"
0034 #include "G4RunManagerFactory.hh"
0035 #include "G4SteppingVerbose.hh"
0036 #include "G4TScoreNtupleWriter.hh"
0037 #include "G4Types.hh"
0038 #include "G4UIExecutive.hh"
0039 #include "G4UImanager.hh"
0040 #include "G4VisExecutive.hh"
0041 // #include "Randomize.hh"
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   runManager->SetUserInitialization(new B3::DetectorConstruction);
0068   //
0069   runManager->SetUserInitialization(new B3::PhysicsList);
0070
0071   // Set user action initialization
0072   //
0073   runManager->SetUserInitialization(new B3a::ActionInitialization());
0074
0075   // Initialize visualization
0076   //
0077   auto visManager = new G4VisExecutive;
0078   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0079   // auto visManager = new G4VisExecutive("Quiet");
0080   visManager->Initialize();
0081
0082   // Get the pointer to the User Interface manager
0083   auto UImanager = G4UImanager::GetUIpointer();
0084
0085   // Activate score ntuple writer
0086   // The verbose level can be also set via UI commands
0087   // /score/ntuple/writerVerbose level
0088   // The default file type ("root") can be changed in xml, csv, hdf5
0089   // scoreNtupleWriter.SetDefaultFileType("xml");
0090   G4TScoreNtupleWriter<G4AnalysisManager> scoreNtupleWriter;
0091   scoreNtupleWriter.SetVerboseLevel(1);
0092   scoreNtupleWriter.SetNtupleMerging(true);
0093   // Note: merging ntuples is available only with Root output
0094   // (the default in G4TScoreNtupleWriter)
0095
0096   // Process macro or start UI session
0097   //
0098   if (!ui) {
0099     // batch mode
0100     G4String command = "/control/execute ";
0101     G4String fileName = argv[1];
0102     UImanager->ApplyCommand(command + fileName);
0103   }
0104   else {
0105     // interactive mode
0106     UImanager->ApplyCommand("/control/execute init_vis.mac");
0107     ui->SessionStart();
0108     delete ui;
0109   }
0110
0111   // Job termination
0112   // Free the store: user actions, physics_list and detector_description are
0113   // owned and deleted by the run manager, so they should not be deleted
0114   // in the main() program !
0115
0116   delete visManager;
0117   delete runManager;
0118 }
0119
0120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....