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/// \file electromagnetic/TestEm1/TestEm1.cc
/// \brief Main program of the electromagnetic/TestEm1 example
//
//
// $Id: TestEm1.cc 84815 2014-10-21 12:19:02Z gcosmo $
// 
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#ifdef G4MULTITHREADED
#include "G4MTRunManager.hh"
#else
#include "G4RunManager.hh"
#endif

#include "G4UImanager.hh"
#include "Randomize.hh"

#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "ActionInitialization.hh"
#include "SteppingVerbose.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) {
 
  //choose the Random engine
  G4Random::setTheEngine(new CLHEP::RanecuEngine);
    
  // Construct the default run manager
#ifdef G4MULTITHREADED
    G4MTRunManager* runManager = new G4MTRunManager;
    G4int nThreads = G4Threading::G4GetNumberOfCores();
    if (argc==3) nThreads = G4UIcommand::ConvertToInt(argv[2]);
    runManager->SetNumberOfThreads(nThreads);
#else
    G4VSteppingVerbose::SetInstance(new SteppingVerbose);
    G4RunManager* runManager = new G4RunManager;
#endif

  // set mandatory initialization classes
  DetectorConstruction* det = new DetectorConstruction;
  runManager->SetUserInitialization(det);
  
  PhysicsList* phys = new PhysicsList(det);  
  runManager->SetUserInitialization(phys);
      
  // set user action classes
  runManager->SetUserInitialization(new ActionInitialization(det));

  // get the pointer to the User Interface manager 
    G4UImanager* UI = G4UImanager::GetUIpointer();  

  if (argc!=1)   // batch mode  
    {
     G4String command = "/control/execute ";
     G4String fileName = argv[1];
     UI->ApplyCommand(command+fileName);
    }
    
  else           //define visualization and UI terminal for interactive mode
    { 
#ifdef G4VIS_USE
   G4VisManager* visManager = new G4VisExecutive;
   visManager->Initialize();
#endif    
     
#ifdef G4UI_USE
      G4UIExecutive * ui = new G4UIExecutive(argc,argv);      
      ui->SessionStart();
      delete ui;
#endif
          
#ifdef G4VIS_USE
     delete visManager;
#endif     
    }

  // job termination 
  //
  delete runManager;

  return 0;
}

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