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//
/// \file field/field06/field06.cc
/// \brief Main program of the field/field06 example
//
//
//
//
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#ifndef WIN32
#include <unistd.h>
#endif

#include "G4RunManager.hh"
#include "G4UImanager.hh"

#include "Randomize.hh"

#include "F06PhysicsList.hh"
#include "F06DetectorConstruction.hh"
#include "F06PrimaryGeneratorAction.hh"

#include "G4SteppingVerbose.hh"

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

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

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int main(int argc,char** argv)
{
  G4int seed = 1234;
  if (argc  > 2) seed = atoi(argv[argc-1]);

  // Choose the Random engine
  //
  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);
  CLHEP::HepRandom::setTheSeed(seed);
  
  // User Verbose output class
  //
  G4VSteppingVerbose::SetInstance(new G4SteppingVerbose());

  // Construct the default run manager
  //
  G4RunManager * runManager = new G4RunManager;

  // Set mandatory initialization classes
  //
  runManager->SetUserInitialization(new F06DetectorConstruction());
  //
  runManager->SetUserInitialization(new F06PhysicsList());

#ifdef G4VIS_USE

  // visualization manager

  G4VisManager* visManager = new G4VisExecutive();
  visManager->Initialize();

#endif
    
  // Set mandatory user action class
  //
  runManager->SetUserAction( new F06PrimaryGeneratorAction() );

  // Initialize G4 kernel
  //
  runManager->Initialize();
  
  // Get the pointer to the User Interface manager
  //
  G4UImanager* UImanager = G4UImanager::GetUIpointer();
  
  if (argc!=1)   // batch mode
    {
      G4String command = "/control/execute ";
      G4String fileName = argv[1];
      UImanager->ApplyCommand(command+fileName);    
    }
  else
    {  // interactive mode : define UI session
#ifdef G4UI_USE
      G4UIExecutive* ui = new G4UIExecutive(argc, argv);
#ifdef G4VIS_USE
      UImanager->ApplyCommand("/control/execute vis.mac");     
#endif
      ui->SessionStart();
      delete ui;
#endif
    }
  
#ifdef G4VIS_USE
  delete visManager;
#endif                
  delete runManager;

  return 0;
}

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