exampleB4d.cc

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// $Id: exampleB4d.cc 75215 2013-10-29 16:07:06Z gcosmo $
//
/// \file exampleB4d.cc
/// \brief Main program of the B4d example

#include "B4dDetectorConstruction.hh"
#include "B4dActionInitialization.hh"

#ifdef G4MULTITHREADED
#include "G4MTRunManager.hh"
#else
#include "G4RunManager.hh"
#endif

#include "G4UImanager.hh"
#include "G4UIcommand.hh"
//#include "FTFP_BERT.hh"
#include "PhysicsList.hh"
#include "Randomize.hh"

#ifdef G4VIS_USE
#include "G4VisExecutive.hh"
#endif

#ifdef G4UI_USE
#include "G4UIExecutive.hh"
#endif

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namespace {
  void PrintUsage() {
    G4cerr << " Usage: " << G4endl;
    G4cerr << " exampleB4d [-m macro ] [-u UIsession] [-t nThreads]" << G4endl;
    G4cerr << "   note: -t option is available only for multi-threaded mode."
           << G4endl;
  }
}

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int main(int argc,char** argv)
{
  // Evaluate arguments
  //
  if ( argc > 7 ) {
    PrintUsage();
    return 1;
  }
  
  G4String macro;
  G4String session;
#ifdef G4MULTITHREADED
  G4int nThreads = 0;
#endif
  for ( G4int i=1; i<argc; i=i+2 ) {
    if      ( G4String(argv[i]) == "-m" ) macro = argv[i+1];
    else if ( G4String(argv[i]) == "-u" ) session = argv[i+1];
#ifdef G4MULTITHREADED
    else if ( G4String(argv[i]) == "-t" ) {
      nThreads = G4UIcommand::ConvertToInt(argv[i+1]);
    }
#endif
    else {
      PrintUsage();
      return 1;
    }
  }  
  
  // Choose the Random engine
  //
  G4Random::setTheEngine(new CLHEP::RanecuEngine);
  
  // Construct the MT run manager
  //
#ifdef G4MULTITHREADED
  G4MTRunManager * runManager = new G4MTRunManager;
  if ( nThreads > 0 ) { 
    runManager->SetNumberOfThreads(nThreads);
  }  
#else
  G4RunManager * runManager = new G4RunManager;
#endif

  // Set mandatory initialization classes
  //
  B4dDetectorConstruction* detConstruction = new B4dDetectorConstruction();
  runManager->SetUserInitialization(detConstruction);

  G4VModularPhysicsList* physicsList = new PhysicsList();
  runManager->SetUserInitialization(physicsList);

  B4dActionInitialization* actionInitialization
     = new B4dActionInitialization();
  runManager->SetUserInitialization(actionInitialization);
    
  // Initialize G4 kernel
  //
  runManager->Initialize();
  
#ifdef G4VIS_USE
  // Initialize visualization
  G4VisManager* visManager = new G4VisExecutive;
  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
  // G4VisManager* visManager = new G4VisExecutive("Quiet");
  visManager->Initialize();
#endif

  // Get the pointer to the User Interface manager
  G4UImanager* UImanager = G4UImanager::GetUIpointer();

  if ( macro.size() ) {
    // batch mode
    G4String command = "/control/execute ";
    UImanager->ApplyCommand(command+macro);
  }
  else  {  
    // interactive mode : define UI session
#ifdef G4UI_USE
    G4UIExecutive* ui = new G4UIExecutive(argc, argv, session);
#ifdef G4VIS_USE
    UImanager->ApplyCommand("/control/execute init_vis.mac"); 
#else
    UImanager->ApplyCommand("/control/execute init.mac"); 
#endif
    if (ui->IsGUI())
      UImanager->ApplyCommand("/control/execute gui.mac");
    ui->SessionStart();
    delete ui;
#endif
  }

  // Job termination
  // Free the store: user actions, physics_list and detector_description are
  // owned and deleted by the run manager, so they should not be deleted 
  // in the main() program !

#ifdef G4VIS_USE
  delete visManager;
#endif
  delete runManager;

  return 0;
}

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