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25 //
26 /// \file hadronic/Hadr02/Hadr02.cc
27 /// \brief Main program of the hadronic/Hadr02 example
28 //
29 //
30 // -------------------------------------------------------------
31 // GEANT4 Hadr02
32 //
33 // Application demonstrating Geant4 hadronic cross sections
34 //
35 // Author: V.Ivanchenko 20 June 2008
36 //
37 // Modified:
38 //
39 // -------------------------------------------------------------
40 //
41 //
42 #include "CRMC_FTFP_BERT.hh"
43 #include "DetectorConstruction.hh"
44 #include "EventAction.hh"
45 #include "HistoManager.hh"
46 #include "PrimaryGeneratorAction.hh"
47 #include "RunAction.hh"
48 #include "StackingAction.hh"
49 #include "UrQMD.hh"
50
51 #include "G4PhysListFactory.hh"
52 #include "G4RunManagerFactory.hh"
53 #include "G4UIExecutive.hh"
54 #include "G4UImanager.hh"
55 #include "G4VModularPhysicsList.hh"
56 #include "G4VisExecutive.hh"
57 #include "Randomize.hh"
58
59 int main(int argc, char** argv)
60 {
61 // detect interactive mode (if no arguments) and define UI session
62 G4UIExecutive* ui = nullptr;
63 if (argc == 1) ui = new G4UIExecutive(argc, argv);
64
65 // choose the Random engine
66 CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine());
67
68 // Construct a serial run manager
69 auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
70
71 // set mandatory initialization classes
72 runManager->SetUserInitialization(new DetectorConstruction());
73
74 G4PhysListFactory factory;
75 G4VModularPhysicsList* phys = 0;
76
77 // default Physics List for this example
78 G4String physName = "QBBC";
79
80 // Physics List name defined via 2nd argument
81 if (argc == 3) {
82 physName = argv[2];
83 }
84 else {
85 char* path = std::getenv("PHYSLIST");
86 if (path) {
87 physName = G4String(path);
88 }
89 }
90 if (physName == "UrQMD") {
91 phys = new UrQMD;
92 }
93 else if (physName == "CRMC_FTFP_BERT") {
94 phys = new CRMC_FTFP_BERT;
95 }
96 else {
97 phys = factory.GetReferencePhysList(physName);
98 }
99
100 // Physics List is defined via environment variable PHYSLIST
101 if (!phys) {
102 G4cout << "Hadr02 FATAL ERROR: Physics List is not defined" << G4endl;
103 return 1;
104 }
105 runManager->SetUserInitialization(phys);
106 HistoManager::GetPointer()->SetPhysicsList(phys);
107
108 runManager->SetUserAction(new PrimaryGeneratorAction());
109
110 // set user action classes
111 runManager->SetUserAction(new RunAction());
112 runManager->SetUserAction(new EventAction());
113 runManager->SetUserAction(new StackingAction());
114
115 // initialize visualization
116 G4VisManager* visManager = new G4VisExecutive;
117 visManager->Initialize();
118
119 // get the pointer to the User Interface manager
120 G4UImanager* UImanager = G4UImanager::GetUIpointer();
121
122 if (ui) {
123 // interactive mode
124 ui->SessionStart();
125 delete ui;
126 }
127 else {
128 // batch mode
129 G4String command = "/control/execute ";
130 G4String fileName = argv[1];
131 UImanager->ApplyCommand(command + fileName);
132 }
133
134 // job termination
135 delete visManager;
136 delete runManager;
137 }
138