TrackReaderSpec.h

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef O2_ITS_TRACKREADER
#define O2_ITS_TRACKREADER
 
#include <TFile.h>
#include <TTree.h>
 
#include "Framework/DataProcessorSpec.h"
#include "Framework/Task.h"
#include "Headers/DataHeader.h"
#include "DataFormatsITSMFT/ROFRecord.h"
#include "DataFormatsITS/TrackITS.h"
#include "DataFormatsITS/Vertex.h"
#include "SimulationDataFormat/MCCompLabel.h"
#include "SimulationDataFormat/MCTruthContainer.h"
 
namespace o2::its
{
 
class TrackReader final : public o2::framework::Task
{
 public:
  TrackReader(bool useMC = true) : mUseMC(useMC) {}
  ~TrackReader() final = default;
  void init(o2::framework::InitContext& ic) final;
  void run(o2::framework::ProcessingContext& pc) final;
 
 protected:
  void connectTree(const std::string& filename);
 
  std::vector<o2::itsmft::ROFRecord> mROFRec, *mROFRecInp = &mROFRec;
  std::vector<o2::its::TrackITS> mTracks, *mTracksInp = &mTracks;
  std::vector<Vertex> mVertices, *mVerticesInp = &mVertices;
  std::vector<o2::itsmft::ROFRecord> mVerticesROFRec, *mVerticesROFRecInp = &mVerticesROFRec;
  std::vector<int> mClusInd, *mClusIndInp = &mClusInd;
  std::vector<o2::MCCompLabel> mMCTruth, *mMCTruthInp = &mMCTruth;
  std::vector<o2::MCCompLabel> mMCVertTruth, *mMCVTruthInp = &mMCTruth;
 
  o2::header::DataOrigin mOrigin = o2::header::gDataOriginITS;
 
  bool mUseMC = true; // use MC truth
 
  std::unique_ptr<TFile> mFile;
  std::unique_ptr<TTree> mTree;
  std::string mInputFileName;
  std::string mTrackTreeName = "o2sim";
  std::string mROFBranchName = "ITSTracksROF";
  std::string mTrackBranchName = "ITSTrack";
  std::string mClusIdxBranchName = "ITSTrackClusIdx";
  std::string mVertexBranchName = "Vertices";
  std::string mVertexROFBranchName = "VerticesROF";
  std::string mTrackMCTruthBranchName = "ITSTrackMCTruth";
  std::string mTrackMCVertTruthBranchName = "ITSVertexMCTruth";
};
 
framework::DataProcessorSpec getITSTrackReaderSpec(bool useMC = true);
 
} // namespace o2::its
 
#endif /* O2_ITS_TRACKREADER */