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25 //
26 /// \file hadronic/Hadr00/Hadr00.cc
27 /// \brief Main program of the hadronic/Hadr00 example
28 //
29 //
30 //
31 // -------------------------------------------------------------
32 // GEANT4 Hadr00
33 //
34 // Application demonstrating Geant4 hadronic cross sections
35 //
36 // Author: V.Ivanchenko 20 June 2008
37 //
38 // Modified:
39 //
40 // -------------------------------------------------------------
41 //
42 //
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45
46 #include "ActionInitialization.hh"
47 #include "DetectorConstruction.hh"
48 #include "PrimaryGeneratorAction.hh"
49
50 #include "G4PhysListFactory.hh"
51 #include "G4RunManagerFactory.hh"
52 #include "G4UIExecutive.hh"
53 #include "G4UImanager.hh"
54 #include "G4VModularPhysicsList.hh"
55 #include "G4VisExecutive.hh"
56 #include "Randomize.hh"
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 int main(int argc, char** argv)
61 {
62 // detect interactive mode (if no arguments) and define UI session
63 G4UIExecutive* ui = nullptr;
64 if (argc == 1) {
65 ui = new G4UIExecutive(argc, argv);
66 }
67
68 auto* runManager = G4RunManagerFactory::CreateRunManager();
69
70 // Number of threads can be defined via 3rd argument
71 if (argc == 4) {
72 G4int nThreads = G4UIcommand::ConvertToInt(argv[3]);
73 runManager->SetNumberOfThreads(nThreads);
74 }
75 G4cout << "##### Hadr00 started for " << runManager->GetNumberOfThreads() << " threads"
76 << " #####" << G4endl;
77
78 // set mandatory initialization classes
79 DetectorConstruction* det = new DetectorConstruction();
80 runManager->SetUserInitialization(det);
81
82 G4PhysListFactory factory;
83 G4VModularPhysicsList* phys = nullptr;
84 G4String physName = "";
85
86 // Physics List name defined via 3nd argument
87 if (argc >= 3) {
88 physName = argv[2];
89 }
90
91 // Physics List is defined via environment variable PHYSLIST
92 if ("" == physName) {
93 char* path = std::getenv("PHYSLIST");
94 if (path) {
95 physName = G4String(path);
96 }
97 }
98
99 // if name is not known to the factory use FTFP_BERT
100 if ("" == physName || !factory.IsReferencePhysList(physName)) {
101 physName = "FTFP_BERT";
102 }
103
104 // reference PhysicsList via its name
105 phys = factory.GetReferencePhysList(physName);
106
107 runManager->SetUserInitialization(phys);
108 det->SetPhysicsList(phys);
109
110 // set user action classes
111 runManager->SetUserInitialization(new ActionInitialization(det));
112
113 // initialize visualization
114 G4VisManager* visManager = nullptr;
115
116 // get the pointer to the User Interface manager
117 G4UImanager* UImanager = G4UImanager::GetUIpointer();
118
119 if (ui) {
120 // interactive mode
121 visManager = new G4VisExecutive;
122 visManager->Initialize();
123 ui->SessionStart();
124 delete ui;
125 }
126 else {
127 // batch mode
128 G4String command = "/control/execute ";
129 G4String fileName = argv[1];
130 UImanager->ApplyCommand(command + fileName);
131 }
132
133 // job termination
134 delete visManager;
135 delete runManager;
136 }
137
138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
139