| Geant4 Cross Reference |
1 //
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25 //
26 //
27 /// \file exampleB3a.cc
28 /// \brief Main program of the B3a example
29
30 #include "ActionInitialization.hh"
31 #include "DetectorConstruction.hh"
32 #include "PhysicsList.hh"
33
34 #include "G4AnalysisManager.hh"
35 #include "G4RunManagerFactory.hh"
36 #include "G4SteppingVerbose.hh"
37 #include "G4TScoreNtupleWriter.hh"
38 #include "G4Types.hh"
39 #include "G4UIExecutive.hh"
40 #include "G4UImanager.hh"
41 #include "G4VisExecutive.hh"
42 // #include "Randomize.hh"
43
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45
46 int main(int argc, char** argv)
47 {
48 // Detect interactive mode (if no arguments) and define UI session
49 //
50 G4UIExecutive* ui = nullptr;
51 if (argc == 1) {
52 ui = new G4UIExecutive(argc, argv);
53 }
54
55 // Optionally: choose a different Random engine...
56 // G4Random::setTheEngine(new CLHEP::MTwistEngine);
57
58 // use G4SteppingVerboseWithUnits
59 G4int precision = 4;
60 G4SteppingVerbose::UseBestUnit(precision);
61
62 // Construct the default run manager
63 //
64 auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
65
66 // Set mandatory initialization classes
67 //
68 runManager->SetUserInitialization(new B3::DetectorConstruction);
69 //
70 runManager->SetUserInitialization(new B3::PhysicsList);
71
72 // Set user action initialization
73 //
74 runManager->SetUserInitialization(new B3a::ActionInitialization());
75
76 // Initialize visualization
77 //
78 auto visManager = new G4VisExecutive;
79 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
80 // auto visManager = new G4VisExecutive("Quiet");
81 visManager->Initialize();
82
83 // Get the pointer to the User Interface manager
84 auto UImanager = G4UImanager::GetUIpointer();
85
86 // Activate score ntuple writer
87 // The verbose level can be also set via UI commands
88 // /score/ntuple/writerVerbose level
89 // The default file type ("root") can be changed in xml, csv, hdf5
90 // scoreNtupleWriter.SetDefaultFileType("xml");
91 G4TScoreNtupleWriter<G4AnalysisManager> scoreNtupleWriter;
92 scoreNtupleWriter.SetVerboseLevel(1);
93 scoreNtupleWriter.SetNtupleMerging(true);
94 // Note: merging ntuples is available only with Root output
95 // (the default in G4TScoreNtupleWriter)
96
97 // Process macro or start UI session
98 //
99 if (!ui) {
100 // batch mode
101 G4String command = "/control/execute ";
102 G4String fileName = argv[1];
103 UImanager->ApplyCommand(command + fileName);
104 }
105 else {
106 // interactive mode
107 UImanager->ApplyCommand("/control/execute init_vis.mac");
108 ui->SessionStart();
109 delete ui;
110 }
111
112 // Job termination
113 // Free the store: user actions, physics_list and detector_description are
114 // owned and deleted by the run manager, so they should not be deleted
115 // in the main() program !
116
117 delete visManager;
118 delete runManager;
119 }
120
121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
122