TestEm9.cc

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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 "EventAction.hh"
#include "SteppingAction.hh"
#include "TrackingAction.hh"

#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"

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int main(int argc,char** argv) {

  //detect interactive mode (if no arguments) and define UI session
  G4UIExecutive* ui = nullptr;
  if (argc == 1) { ui = new G4UIExecutive(argc,argv); }

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

  //set mandatory initialization classes
  DetectorConstruction* det = new DetectorConstruction();
  PhysicsList* phys;
  PrimaryGeneratorAction* kin;
  runManager->SetUserInitialization(det);
  runManager->SetUserInitialization(phys = new PhysicsList);
  runManager->SetUserAction(kin = new PrimaryGeneratorAction(det));

  //set user action classes
  runManager->SetUserAction(new RunAction());
  runManager->SetUserAction(new EventAction());
  runManager->SetUserAction(new TrackingAction());
  runManager->SetUserAction(new SteppingAction());

  //initialize visualization
  G4VisManager* visManager = nullptr;

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

  if (ui)  {
    //interactive mode
    visManager = new G4VisExecutive;
    visManager->Initialize();
    ui->SessionStart();
    delete ui;
  } else  {
    //batch mode  
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager->ApplyCommand(command+fileName);
  }

  //job termination 
  delete visManager;
  delete runManager;
}

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