particleGun.cc

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//
// ********************************************************************
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//
//
//
// $Id: particleGun.cc 68734 2013-04-05 09:47:02Z gcosmo $
// 
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#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "Randomize.hh"

#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "PrimaryGeneratorAction.hh"
#include "RunAction.hh"
#include "TrackingAction.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
  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);

  //my Verbose output class
  G4VSteppingVerbose::SetInstance(new SteppingVerbose);
  
  // Construct the default run manager
  G4RunManager * runManager = new G4RunManager;

  // set mandatory initialization classes
  //
  DetectorConstruction* detector = new DetectorConstruction;
  runManager->SetUserInitialization(detector);
  runManager->SetUserInitialization(new PhysicsList);
      
  // set user action classes
  // 
  RunAction*              run   = new RunAction();
  PrimaryGeneratorAction* prim  = new PrimaryGeneratorAction();
  TrackingAction*         track = new TrackingAction(prim);
        
  runManager->SetUserAction(run);
  runManager->SetUserAction(prim);  
  runManager->SetUserAction(track);
    
  //Initialize G4 kernel
  runManager->Initialize();
    
  // get the pointer to the User Interface manager 
    G4UImanager* UI = G4UImanager::GetUIpointer();  

#ifdef G4VIS_USE
     G4VisManager* visManager = new G4VisExecutive;
     visManager->Initialize();
#endif

  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 G4UI_USE
     G4UIExecutive * ui = new G4UIExecutive(argc,argv);      
#ifdef G4VIS_USE
     UI->ApplyCommand("/control/execute vis.mac");          
#endif
     ui->SessionStart();
     delete ui;
#endif
     
#ifdef G4VIS_USE
     delete visManager;
#endif     
    }

  // job termination
  //
  delete runManager;

  return 0;
}

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