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25 //
26 //
27 /// \file ch3.cc
28 /// \brief Main program of the ch3 example
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31
32 #include "DetectorConstruction.hh"
33 #include "ActionInitialization.hh"
34
35 #include "G4RunManagerFactory.hh"
36 #include "G4SteppingVerbose.hh"
37 #include "G4UImanager.hh"
38 #include "FTFP_BERT.hh"
39 #include "G4FastSimulationPhysics.hh"
40 #include "G4CoherentPairProductionPhysics.hh"
41
42 #include "G4VisExecutive.hh"
43 #include "G4UIExecutive.hh"
44
45 #include "Randomize.hh"
46 #include "G4Timer.hh"
47
48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
49
50 int main(int argc,char** argv)
51 {
52 // Get current time
53 G4Timer* theTimer = new G4Timer();
54 theTimer->Start();
55
56 // Choose the Random engine
57 G4Random::setTheEngine(new CLHEP::RanecuEngine);
58 CLHEP::HepRandom::setTheSeed(0.);
59
60 //use G4SteppingVerboseWithUnits
61 G4int precision = 4;
62 G4SteppingVerbose::UseBestUnit(precision);
63
64 // Detect interactive mode (if no arguments) and define UI session
65 G4UIExecutive* ui = nullptr;
66 if ( argc == 1 ) { ui = new G4UIExecutive(argc, argv); }
67
68 // Construct the default run manager
69 auto* runManager =
70 G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
71
72 // Set mandatory initialization classes
73 //
74 // Detector construction
75 runManager->SetUserInitialization(new DetectorConstruction());
76
77 // Physics list
78 G4VModularPhysicsList* physicsList = new FTFP_BERT;
79
80 // -- Create helper tool, used to activate the fast simulation:
81 G4FastSimulationPhysics* fastSimulationPhysics = new G4FastSimulationPhysics();
82 fastSimulationPhysics->BeVerbose();
83 // -- activation of fast simulation for particles having fast simulation models
84 fastSimulationPhysics->ActivateFastSimulation("e-");
85 fastSimulationPhysics->ActivateFastSimulation("e+");
86 // -- Attach the fast simulation physics constructor to the physics list:
87 physicsList->RegisterPhysics( fastSimulationPhysics );
88
89 // Create coherent pair production physics
90 G4CoherentPairProductionPhysics* coherentPairProductionPhysics =
91 new G4CoherentPairProductionPhysics();
92 // CAUTION: using default for channeling model name "ChannelingModel" and
93 // the region name "Crystal" (see DetectorConstruction).
94
95 // Register coherentPairProductionPhysics to the physics list:
96 physicsList->RegisterPhysics(coherentPairProductionPhysics);
97
98 physicsList->SetVerboseLevel(1);
99 runManager->SetUserInitialization(physicsList);
100
101 // User action initialization
102 runManager->SetUserInitialization(new ActionInitialization());
103
104 // Initialize visualization
105 G4VisManager* visManager = new G4VisExecutive;
106 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
107 // G4VisManager* visManager = new G4VisExecutive("Quiet");
108 visManager->Initialize();
109
110 // Get the pointer to the User Interface manager
111 G4UImanager* UImanager = G4UImanager::GetUIpointer();
112
113 // Process macro or start UI session
114 if ( ! ui ) {
115 // batch mode
116 G4String command = "/control/execute ";
117 G4String fileName = argv[1];
118 UImanager->ApplyCommand(command+fileName);
119 }
120 else {
121 // interactive mode
122 UImanager->ApplyCommand("/control/execute init_vis.mac");
123 ui->SessionStart();
124 delete ui;
125 }
126
127 // Job termination
128 // Free the store: user actions, physics_list and detector_description are
129 // owned and deleted by the run manager, so they should not be deleted
130 // in the main() program !
131
132 delete visManager;
133 delete runManager;
134
135 theTimer->Stop();
136 G4cout << "Execution terminated" << G4endl;
137 G4cout << (*theTimer) << G4endl;
138 delete theTimer;
139
140 }
141
142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
143