examplePar01.cc

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// $Id: examplePar01.cc 90093 2015-05-13 11:59:54Z gcosmo $
//
// 
// --------------------------------------------------------------
//      GEANT 4 - examplePar01
// --------------------------------------------------------------
// Comments
//
// Example of a main program making use of parameterisation
// i.e. "Fast Simulation"
//-------------------------------------------------------------------

//-------------------
// Generator action:
//-------------------
#include "Par01PrimaryGeneratorAction.hh"

//---------------------------
// Parameterisation manager:
//---------------------------
#include "G4GlobalFastSimulationManager.hh"

//------------
// Geometries:
//------------
#include "Par01DetectorConstruction.hh"
#include "Par01ParallelWorldForPion.hh"

//-----------------------------------
// Par01PhysicsList (makes use of the
// G4ParameterisationManagerProcess):
//-----------------------------------
#include "Par01PhysicsList.hh"

#include "G4UImanager.hh"
#ifdef G4MULTITHREADED
#include "G4MTRunManager.hh"
#else
#include "G4RunManager.hh"
#endif
#include "Par01ActionInitialization.hh"

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

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

int main(int argc, char** argv)
{
  //-------------------------------
  // Initialization of Run manager
  //-------------------------------
#ifdef G4MULTITHREADED
  G4MTRunManager * runManager = new G4MTRunManager;
  runManager->SetNumberOfThreads(4);
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  G4cout<<"|              Constructing MT run manager              |"<<G4endl;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
#else
  G4RunManager * runManager = new G4RunManager;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  G4cout<<"|        Constructing sequential run manager            |"<<G4endl;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
#endif

  // Detector/mass geometry and parallel geometry(ies):
  G4VUserDetectorConstruction* detector = new Par01DetectorConstruction();
  // -- Parallel geometry for pion parameterisation
  detector->RegisterParallelWorld(new Par01ParallelWorldForPion("pionGhostWorld"));
  // --  The name passed must be the same passed to the
  // -- G4FastSimulationManagerProcess attached to the pions
  runManager->SetUserInitialization(detector);
  
  // PhysicsList (including G4FastSimulationManagerProcess)
  G4VUserPhysicsList* physicsList = new Par01PhysicsList;
  runManager->SetUserInitialization(physicsList);

  //-------------------------------
  // UserAction classes
  //-------------------------------
  runManager->SetUserInitialization( new Par01ActionInitialization );

  // Initialize Run manager
  runManager->Initialize();

  //----------------
  // Visualization:
  //----------------
#ifdef G4VIS_USE
  G4cout << "Instantiating Visualization Manager......." << G4endl;
  G4VisManager* visManager = new G4VisExecutive;
  visManager -> Initialize ();
#endif

  if(argc==1)
  {
    //--------------------------
    // Define (G)UI
    //--------------------------
#ifdef G4UI_USE
    G4UIExecutive * ui = new G4UIExecutive(argc, argv);
    ui->SessionStart();
    delete ui;
#endif
  }
  else
  {
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    G4UImanager * UImanager = G4UImanager::GetUIpointer();
    UImanager->ApplyCommand(command+fileName);
  }

  // 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;
}