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//
/// \file RunAction.cc
/// \brief Implementation of the RunAction class

#include "RunAction.hh"

#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"
#include "G4AnalysisManager.hh"

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RunAction::RunAction(const G4String& fileName)
 : fFileName(fileName)
{
  // Create analysis manager
  auto analysisManager = G4AnalysisManager::Instance();
  analysisManager->SetDefaultFileType("root");
  analysisManager->SetVerboseLevel(1);
  analysisManager->SetNtupleMerging(true);
  G4cout << "Using " << analysisManager->GetType() << G4endl;
     // Note: merging ntuples is available only with Root output

  // Set default fileName
  analysisManager->SetFileName(fFileName);

  // Create ntuple
  //
  analysisManager->CreateNtuple("Screen", "Screen hits");
  analysisManager->CreateNtupleIColumn("ID");      // column id = 0
  analysisManager->CreateNtupleIColumn("PDG");     // column id = 1
  analysisManager->CreateNtupleDColumn("Ekin");    // column id = 2
  analysisManager->CreateNtupleDColumn("Xpos");    // column id = 3
  analysisManager->CreateNtupleDColumn("Ypos");    // column id = 4
  analysisManager->CreateNtupleDColumn("time");    // column id = 5
  analysisManager->FinishNtuple();
}

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void RunAction::BeginOfRunAction(const G4Run* /*run*/)
{
  // Get analysis manager
  auto analysisManager = G4AnalysisManager::Instance();

  // Open an output file
  analysisManager->OpenFile();
}

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void RunAction::EndOfRunAction(const G4Run* /*run*/)
{
  // Save ntuple and close file
  auto analysisManager = G4AnalysisManager::Instance();
  analysisManager->Write();
  analysisManager->CloseFile();
}

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