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//
/// \file /src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// @Author Chad Lantz


// Make this appear first!
#include "G4Timer.hh"

#include "G4RunManager.hh"
#include "G4Run.hh"

#include "RunAction.hh"
#include "G4VAnalysisManager.hh"
#include "G4SystemOfUnits.hh"
#include "lgAnalysis.hh"


/*
 *
 */
RunAction::RunAction(G4String fileName)
 : G4UserRunAction(),ffileName(fileName),
   fTimer(0){
  fTimer = new G4Timer;

  G4RunManager::GetRunManager()->SetPrintProgress(1);

  // Create analysis manager. The choice of analysis
  // technology is done via selectin of a namespace
  // in B4Analysis.hh
  auto analysisManager = G4AnalysisManager::Instance();
  G4cout << "Using " << analysisManager->GetType() << G4endl;

  // Create directories
  analysisManager->SetVerboseLevel(1);
  analysisManager->SetNtupleMerging(true);

  // Creating ntuple
  analysisManager->CreateNtuple("lightGuide", "pos and momentum");
  analysisManager->CreateNtupleDColumn("X");
  analysisManager->CreateNtupleDColumn("Y");
  analysisManager->CreateNtupleDColumn("hitX");
  analysisManager->CreateNtupleDColumn("hitY");
  analysisManager->CreateNtupleDColumn("time");
  analysisManager->FinishNtuple();
  analysisManager->SetFirstHistoId(1);
  analysisManager->CreateH2("1","Relative Efficiency",
                            150, -82.0*mm, 82.0*mm,
                            150, -44.875*mm, 44.875*mm);
}

/*
 *
 */
RunAction::~RunAction(){
  delete fTimer;
  delete G4AnalysisManager::Instance();
}

/*
 *
 */
void RunAction::BeginOfRunAction(const G4Run* aRun){
  G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;
  fTimer->Start();

  // Get analysis manager
  auto analysisManager = G4AnalysisManager::Instance();

  // Open an output file
  if(ffileName == "") ffileName = "output";
  analysisManager->OpenFile(ffileName);
}

/*
 *
 */
void RunAction::EndOfRunAction(const G4Run* aRun){
  fTimer->Stop();
  G4cout << "number of event = " << aRun->GetNumberOfEvent()
         << " " << *fTimer << G4endl;

  // Get analysis manager
  auto analysisManager = G4AnalysisManager::Instance();
  // save histograms & ntuple
  analysisManager->Write();
  analysisManager->CloseFile();
}