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DataReaderITS.cxx
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78 lines (65 loc) · 2.43 KB
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// Copyright 2019-2020 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.
///
/// \file DataReaderITS.cxx
/// \brief ITS Detector-specific reading from file(s)
/// \author julian.myrcha@cern.ch
/// \author p.nowakowski@cern.ch
#include "EventVisualisationDetectors/DataReaderITS.h"
#include "DataFormatsITSMFT/ROFRecord.h"
#include <TTree.h>
#include <TVector2.h>
#include <TError.h>
namespace o2
{
namespace event_visualisation
{
void DataReaderITS::open()
{
TString clusterFile = "o2clus_its.root";
TString trackFile = "o2trac_its.root";
this->mTracFile = TFile::Open(trackFile);
this->mClusFile = TFile::Open(clusterFile);
TTree* roft = (TTree*)this->mTracFile->Get("ITSTracksROF");
TTree* rofc = (TTree*)this->mClusFile->Get("ITSClustersROF");
if (roft != nullptr && rofc != nullptr) {
// TTree* tracks = (TTree*)this->mTracFile->Get("o2sim");
TTree* tracksRof = (TTree*)this->mTracFile->Get("ITSTracksROF");
// TTree* clusters = (TTree*)this->mClusFile->Get("o2sim");
TTree* clustersRof = (TTree*)this->mClusFile->Get("ITSClustersROF");
//Read all track RO frames to a buffer
std::vector<o2::itsmft::ROFRecord>* trackROFrames = nullptr;
tracksRof->SetBranchAddress("ITSTracksROF", &trackROFrames);
tracksRof->GetEntry(0);
//Read all cluster RO frames to a buffer
std::vector<o2::itsmft::ROFRecord>* clusterROFrames = nullptr;
clustersRof->SetBranchAddress("ITSClustersROF", &clusterROFrames);
clustersRof->GetEntry(0);
if (trackROFrames->size() == clusterROFrames->size()) {
mMaxEv = trackROFrames->size();
} else {
Error("DataReaderITS", "Inconsistent number of readout frames in files");
exit(1);
}
}
}
TObject* DataReaderITS::getEventData(int no)
{
/// FIXME: Redesign the data reader class
TList* list = new TList();
list->Add(this->mTracFile);
list->Add(this->mClusFile);
TVector2* v = new TVector2(no, 0);
list->Add(v);
return list;
}
} // namespace event_visualisation
} // namespace o2