wls.cc

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//
// --------------------------------------------------------------
//      GEANT 4 - Example wls
//
// --------------------------------------------------------------
// Comments
//
//
// --------------------------------------------------------------

#ifndef WIN32
#include <unistd.h>
#endif

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

#include "Randomize.hh"

#include "WLSPhysicsList.hh"
#include "WLSDetectorConstruction.hh"
#include "WLSPrimaryGeneratorAction.hh"

#include "WLSRunAction.hh"
#include "WLSEventAction.hh"
#include "WLSTrackingAction.hh"
#include "WLSSteppingAction.hh"
#include "WLSStackingAction.hh"
#include "WLSSteppingVerbose.hh"

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

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

// argc holds the number of arguments (including the name) on the command line
// -> it is ONE when only the name is  given !!!
// argv[0] is always the name of the program
// argv[1] points to the first argument, and so on

int main(int argc,char** argv) 
{
  G4String physName = "QGSP_BERT_EMV";

  G4int seed = 123;
  if (argc  > 2) seed = atoi(argv[argc-1]);

  // Choose the Random engine

  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);
  CLHEP::HepRandom::setTheSeed(seed);

#ifndef WIN32
  G4int c = 0;
  while ((c=getopt(argc,argv,"p")) != -1)
  {
     switch (c)
     {
       case 'p':
         physName = optarg;
         G4cout << "Physics List used is " <<  physName << G4endl;
         break;
       case ':':       /* -p without operand */
         fprintf(stderr, 
                         "Option -%c requires an operand\n", optopt);
         break;
       case '?':
         fprintf(stderr,
                         "Unrecognised option: -%c\n", optopt);
     }
  }
#endif

  // My Verbose output class

  G4VSteppingVerbose::SetInstance(new WLSSteppingVerbose);
  
  // Construct the default run manager

  G4RunManager * runManager = new G4RunManager;

  // Set mandatory initialization classes

  WLSDetectorConstruction* detector = new WLSDetectorConstruction();

  runManager->SetUserInitialization(detector);

  runManager->SetUserInitialization(new WLSPhysicsList(physName));

#ifdef G4VIS_USE

  // visualization manager

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

#endif

  // Set mandatory user action class 

  runManager->SetUserAction( new WLSPrimaryGeneratorAction(detector) );

  WLSRunAction* runAction = new WLSRunAction();
  WLSEventAction* eventAction = new WLSEventAction(runAction);

  runManager->SetUserAction(runAction);
  runManager->SetUserAction(eventAction);
  runManager->SetUserAction( new WLSTrackingAction() );
  runManager->SetUserAction( new WLSSteppingAction(detector) );
  runManager->SetUserAction( new WLSStackingAction() );

  // Get the pointer to the User Interface manager

  G4UImanager * UImanager = G4UImanager::GetUIpointer();

#ifndef WIN32
  G4int optmax = argc;
  if (argc > 2)  { optmax = optmax-1; }

  if (optind < optmax)
  {
     G4String command = "/control/execute ";
     for ( ; optind < optmax; optind++)
     {
         G4String macroFilename = argv[optind];
         UImanager->ApplyCommand(command+macroFilename);
     }
  }
#else  // Simple UI for Windows runs, no possibility of additional arguments
  if (argc!=1)
  {
     G4String command = "/control/execute ";
     G4String fileName = argv[1];
     UImanager->ApplyCommand(command+fileName);
  }
#endif
  else  {
     // Define (G)UI terminal for interactive mode
#ifdef G4UI_USE
     G4UIExecutive * ui = new G4UIExecutive(argc,argv);
#ifdef G4VIS_USE
     UImanager->ApplyCommand("/control/execute init.in");
#endif
     ui->SessionStart();
     delete ui;
#endif
  }

  // job termination

#ifdef G4VIS_USE
  delete visManager;
#endif
  delete runManager;

  return 0;
}