Method RunInitialization

source/run/src/G4RunManager.cc:309–377

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// --------------------------------------------------------------------
void G4RunManager::RunInitialization()
{
  if (!(kernel->RunInitialization(fakeRun))) return;

  runAborted = false;
  numberOfEventProcessed = 0;

  CleanUpPreviousEvents();
  if (verboseLevel > 2 && currentRun!=nullptr) {
    G4cout << "Deleting G4Run (id:" << currentRun->GetRunID() << ") ";
    if(currentRun->GetEventVectorSize()>0) {
      G4cout << " that has " << currentRun->GetEventVectorSize()
             << " events kept in eventVector";
    }
    G4cout << G4endl;
  }
  delete currentRun;
  currentRun = nullptr;

  if (fakeRun) return;

  if (fGeometryHasBeenDestroyed) G4ParallelWorldProcessStore::GetInstance()->UpdateWorlds();

  if (userRunAction != nullptr) currentRun = userRunAction->GenerateRun();
  if (currentRun == nullptr) currentRun = new G4Run();

  currentRun->SetRunID(runIDCounter);
  currentRun->SetNumberOfEventToBeProcessed(numberOfEventToBeProcessed);

  currentRun->SetDCtable(DCtable);
  G4SDManager* fSDM = G4SDManager::GetSDMpointerIfExist();
  if (fSDM != nullptr) {
    currentRun->SetHCtable(fSDM->GetHCtable());
  }

  if (G4VScoreNtupleWriter::Instance() != nullptr) {
    auto hce = (fSDM != nullptr) ? fSDM->PrepareNewEvent() : nullptr;
    isScoreNtupleWriter = G4VScoreNtupleWriter::Instance()->Book(hce);
    delete hce;
  }

  std::ostringstream oss;
  G4Random::saveFullState(oss);
  randomNumberStatusForThisRun = oss.str();
  currentRun->SetRandomNumberStatus(randomNumberStatusForThisRun);

  for (G4int i_prev = 0; i_prev < n_perviousEventsToBeStored; ++i_prev) {
    previousEvents->push_back(nullptr);
  }

  if (printModulo >= 0 || verboseLevel > 0) {
    G4cout << "### Run " << currentRun->GetRunID() << " starts." << G4endl;
  }
  if (userRunAction != nullptr) userRunAction->BeginOfRunAction(currentRun);

  if (isScoreNtupleWriter) {
    G4VScoreNtupleWriter::Instance()->OpenFile();
  }