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//
/// \file ch0.cc
/// \brief Main program of the channeling/ch0 example

#include "DetectorConstruction.hh"
#include "FTFP_BERT.hh"
#include "UserActionInitialization.hh"

#include "G4ChannelingPhysics.hh"
#include "G4EmStandardPhysicsSS.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4GenericBiasingPhysics.hh"
#include "G4RunManagerFactory.hh"
#include "G4ScoringManager.hh"
#include "G4Types.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.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 = 0;
  if (argc == 1) {
    ui = new G4UIExecutive(argc, argv);
  }

  // Construct the default run manager
  auto* runManager = G4RunManagerFactory::CreateRunManager();
  runManager->SetNumberOfThreads(G4Threading::G4GetNumberOfCores() - 2);

  // Activate UI-command base scorer
  G4ScoringManager* scManager = G4ScoringManager::GetScoringManager();
  scManager->SetVerboseLevel(0);

  // Set mandatory initialization classes
  G4VModularPhysicsList* physlist = new FTFP_BERT();
  G4GenericBiasingPhysics* biasingPhysics = new G4GenericBiasingPhysics();
  physlist->ReplacePhysics(new G4EmStandardPhysicsSS());
  physlist->RegisterPhysics(new G4ChannelingPhysics());
  biasingPhysics->PhysicsBiasAllCharged();
  physlist->RegisterPhysics(biasingPhysics);
  runManager->SetUserInitialization(physlist);

  // Set user action classes
  runManager->SetUserInitialization(new UserActionInitialization());

  runManager->SetUserInitialization(new DetectorConstruction());

  // Initialize visualization
  //
  G4VisManager* visManager = new G4VisExecutive;
  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
  // G4VisManager* visManager = new G4VisExecutive("Quiet");
  visManager->Initialize();

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

  // Process macro or start UI session
  //
  if (!ui) {
    // batch mode
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager->ApplyCommand(command + fileName);
  }
  else {
    // interactive mode
    UImanager->ApplyCommand("/control/execute init_vis.mac");
    ui->SessionStart();
    delete ui;
  }

  // Job termination
  // 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 !

  delete visManager;
  delete runManager;

  return 0;
}

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