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/// \file OpNovice/OpNovice.cc
/// \brief Main program of the OpNovice example
//
//
//
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//
// Description: Test of Continuous Process G4Cerenkov
//              and RestDiscrete Process G4Scintillation
//              -- Generation Cerenkov Photons --
//              -- Generation Scintillation Photons --
//              -- Transport of optical Photons --
// Version:     5.0
// Created:     1996-04-30
// Author:      Juliet Armstrong
// mail:        gum@triumf.ca
//     
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#ifndef WIN32
#include <unistd.h>
#endif


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

#include "G4UImanager.hh"

#include "PhysicsList.hh"
#include "DetectorConstruction.hh"

#include "Randomize.hh"
#include "ActionInitialization.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 << " WLS [-m macro ] [-u UIsession] [-t nThreads] [-r seed] "
           << 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 > 9 ) {
    PrintUsage();
    return 1;
  }

  G4String macro;
  G4String session;
#ifdef G4MULTITHREADED
  G4int nThreads = 0;
#endif

  G4long myseed = time(NULL); //345354;

  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];
     else if ( G4String(argv[i]) == "-r" ) myseed  = atoi(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 default run manager
  //
#ifdef G4MULTITHREADED
  G4MTRunManager * runManager = new G4MTRunManager;
  if ( nThreads > 0 ) runManager->SetNumberOfThreads(nThreads);
#else
  G4RunManager * runManager = new G4RunManager;
#endif

  // Seed the random number generator manually
  G4Random::setTheSeed(myseed);
  G4cout << "myseed: " << myseed << G4endl;

  G4String physName = "QGSP_BERT_HP";

  // Set mandatory initialization classes
  //
  // Detector construction
  runManager-> SetUserInitialization(new DetectorConstruction());
  // Physics list
  runManager-> SetUserInitialization(new PhysicsList(physName));
  // User action initialization
  runManager->SetUserInitialization(new 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 // Define UI session for interactive mode
  {
#ifdef G4UI_USE
     G4UIExecutive * ui = new G4UIExecutive(argc,argv,session);
#ifdef G4VIS_USE
     UImanager->ApplyCommand("/control/execute vis.mac");
#else
     UImanager->ApplyCommand("/control/execute input.in");
#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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