df/d14/RootSimHitWriter_8hpp_source.html

// This file is part of the Acts project.

//

// Copyright (C) 2018 CERN for the benefit of the Acts project

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.


#pragma once


#include "ActsExamples/EventData/SimHit.hpp"

#include "ActsExamples/Framework/WriterT.hpp"


#include <cstdint>

#include <mutex>

#include <string>


class TFile;

class TTree;


namespace ActsExamples {


class RootSimHitWriter final : public WriterT<SimHitContainer> {

 public:

  struct Config {

    std::string inputSimulatedHits;

    std::string filePath;

    std::string fileMode = "RECREATE";

    std::string treeName = "hits";

  };


  RootSimHitWriter(const Config& cfg, Acts::Logging::Level lvl);


  ~RootSimHitWriter() final override;


  ProcessCode endRun() final override;


 protected:

  ProcessCode writeT(const AlgorithmContext& ctx,

                     const SimHitContainer& hits) final override;


 private:

  Config m_cfg;

  std::mutex m_writeMutex;

  TFile* m_outputFile = nullptr;

  TTree* m_outputTree = nullptr;

  uint32_t m_eventId;

  uint64_t m_geometryId;

  uint64_t m_particleId;

  float m_tx, m_ty, m_tz;

  // True global hit time in ns.

  float m_tt;

  float m_tpx, m_tpy, m_tpz, m_te;

  float m_deltapx, m_deltapy, m_deltapz, m_deltae;

  int32_t m_index;

  // Decoded hit surface identifier components.

  uint32_t m_volumeId;

  uint32_t m_boundaryId;

  uint32_t m_layerId;

  uint32_t m_approachId;

  uint32_t m_sensitiveId;

};


}  // namespace ActsExamples