LArSoft  v07_13_02
Liquid Argon Software toolkit - http://larsoft.org/
exampleB4d.cc File Reference

Main program of the B4d example. More...

#include "B4dDetectorConstruction.hh"
#include "B4dActionInitialization.hh"
#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "G4UIcommand.hh"
#include "FTFP_BERT.hh"
#include "Randomize.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"

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Functions

int main (int argc, char **argv)
 

Detailed Description

Main program of the B4d example.

Definition in file exampleB4d.cc.

Function Documentation

int main ( int  argc,
char **  argv 
)

Definition at line 63 of file exampleB4d.cc.

References PrintUsage(), and session.

64 {
65  // Evaluate arguments
66  //
67  if ( argc > 7 ) {
68  PrintUsage();
69  return 1;
70  }
71 
72  G4String macro;
74 #ifdef G4MULTITHREADED
75  G4int nThreads = 0;
76 #endif
77  for ( G4int i=1; i<argc; i=i+2 ) {
78  if ( G4String(argv[i]) == "-m" ) macro = argv[i+1];
79  else if ( G4String(argv[i]) == "-u" ) session = argv[i+1];
80 #ifdef G4MULTITHREADED
81  else if ( G4String(argv[i]) == "-t" ) {
82  nThreads = G4UIcommand::ConvertToInt(argv[i+1]);
83  }
84 #endif
85  else {
86  PrintUsage();
87  return 1;
88  }
89  }
90 
91  // Detect interactive mode (if no macro provided) and define UI session
92  //
93  G4UIExecutive* ui = nullptr;
94  if ( ! macro.size() ) {
95  ui = new G4UIExecutive(argc, argv, session);
96  }
97 
98  // Choose the Random engine
99  //
100  G4Random::setTheEngine(new CLHEP::RanecuEngine);
101 
102  // Construct the MT run manager
103  //
104 #ifdef G4MULTITHREADED
105  auto runManager = new G4MTRunManager;
106  if ( nThreads > 0 ) {
107  runManager->SetNumberOfThreads(nThreads);
108  }
109 #else
110  auto runManager = new G4RunManager;
111 #endif
112 
113  // Set mandatory initialization classes
114  //
115  auto detConstruction = new B4dDetectorConstruction();
116  runManager->SetUserInitialization(detConstruction);
117 
118  auto physicsList = new FTFP_BERT;
119  runManager->SetUserInitialization(physicsList);
120 
121  auto actionInitialization = new B4dActionInitialization();
122  runManager->SetUserInitialization(actionInitialization);
123 
124  // Initialize visualization
125  auto visManager = new G4VisExecutive;
126  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
127  // G4VisManager* visManager = new G4VisExecutive("Quiet");
128  visManager->Initialize();
129 
130  // Get the pointer to the User Interface manager
131  auto UImanager = G4UImanager::GetUIpointer();
132 
133  // Process macro or start UI session
134  //
135  if ( macro.size() ) {
136  // batch mode
137  G4String command = "/control/execute ";
138  UImanager->ApplyCommand(command+macro);
139  }
140  else {
141  // interactive mode : define UI session
142  UImanager->ApplyCommand("/control/execute init_vis.mac");
143  if (ui->IsGUI()) {
144  UImanager->ApplyCommand("/control/execute gui.mac");
145  }
146  ui->SessionStart();
147  delete ui;
148  }
149 
150  // Job termination
151  // Free the store: user actions, physics_list and detector_description are
152  // owned and deleted by the run manager, so they should not be deleted
153  // in the main() program !
154 
155  delete visManager;
156  delete runManager;
157 }
static G4UIterminal * session
void PrintUsage()