| Geant4 Cross Reference |
1 //
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25 //
26 //
27 //
28 //
29 // --------------------------------------------------------------
30 // GEANT 4 - examplePar02
31 // --------------------------------------------------------------
32 // Comments
33 //
34 // Example of a main program making use of track smearing.
35 //
36 // Note: for the time being, the program runs only in sequential mode,
37 // because the histogram manager - i.e. the class Par02Output -
38 // is a singleton...
39 //
40 //-------------------------------------------------------------------
41
42 #include "Par02ActionInitialization.hh"
43 #include "Par02DetectorConstruction.hh"
44 #include "Par02PhysicsList.hh"
45
46 #include "G4RunManagerFactory.hh"
47 #include "G4Types.hh"
48 #include "G4UIExecutive.hh"
49 #include "G4UImanager.hh"
50 #include "G4VisExecutive.hh"
51
52 int main(int argc, char** argv)
53 {
54 // Instantiate G4UIExecutive if interactive mode
55 G4UIExecutive* ui = nullptr;
56 if (argc == 1) {
57 ui = new G4UIExecutive(argc, argv);
58 }
59
60 //-------------------------------
61 // Initialization of Run manager
62 //-------------------------------
63 auto* runManager = G4RunManagerFactory::CreateRunManager();
64 runManager->SetNumberOfThreads(4);
65
66 // Detector/mass geometry:
67 auto detector = new Par02DetectorConstruction();
68 runManager->SetUserInitialization(detector);
69
70 // PhysicsList (including G4FastSimulationManagerProcess)
71 auto physicsList = new Par02PhysicsList;
72 runManager->SetUserInitialization(physicsList);
73
74 //-------------------------------
75 // UserAction classes
76 //-------------------------------
77 runManager->SetUserInitialization(new Par02ActionInitialization);
78
79 // Initialize Run manager
80 runManager->Initialize();
81
82 //----------------
83 // Visualization:
84 //----------------
85 G4cout << "Instantiating Visualization Manager......." << G4endl;
86 G4VisManager* visManager = new G4VisExecutive;
87 visManager->Initialize();
88
89 if (ui) {
90 //--------------------------
91 // Define (G)UI
92 //--------------------------
93 ui->SessionStart();
94 delete ui;
95 }
96 else {
97 G4String command = "/control/execute ";
98 G4String fileName = argv[1];
99 G4UImanager* UImanager = G4UImanager::GetUIpointer();
100 UImanager->ApplyCommand(command + fileName);
101 }
102
103 // Free the store: user actions, physics_list and detector_description are
104 // owned and deleted by the run manager, so they should not
105 // be deleted in the main() program !
106
107 delete visManager;
108 delete runManager;
109
110 return 0;
111 }
112