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[ALICE3] Cluster finding of TRK
Please consider the following formatting changes
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‎DataFormats/Detectors/Upgrades/ALICE3/CMakeLists.txt‎

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# or submit itself to any jurisdiction.
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add_subdirectory(FD3)
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add_subdirectory(TRK)

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/CMakeLists.txt‎

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# Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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# All rights not expressly granted are reserved.
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#
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# This software is distributed under the terms of the GNU General Public
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# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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#
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# In applying this license CERN does not waive the privileges and immunities
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# granted to it by virtue of its status as an Intergovernmental Organization
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# or submit itself to any jurisdiction.
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o2_add_library(DataFormatsTRK
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SOURCES src/Cluster.cxx
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src/ROFRecord.cxx
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PUBLIC_LINK_LIBRARIES O2::CommonDataFormat
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O2::DataFormatsITSMFT
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O2::SimulationDataFormat
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)
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o2_target_root_dictionary(DataFormatsTRK
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HEADERS include/DataFormatsTRK/Cluster.h
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include/DataFormatsTRK/ROFRecord.h
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LINKDEF src/DataFormatsTRKLinkDef.h
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)

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/include/DataFormatsTRK/Cluster.h‎

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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// All rights not expressly granted are reserved.
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//
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// This software is distributed under the terms of the GNU General Public
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// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef ALICEO2_DATAFORMATSTRK_CLUSTER_H
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#define ALICEO2_DATAFORMATSTRK_CLUSTER_H
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#include <Rtypes.h>
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#include <cstdint>
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#include <string>
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namespace o2::trk
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{
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struct Cluster {
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uint16_t chipID = 0;
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uint16_t row = 0;
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uint16_t col = 0;
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uint16_t size = 1;
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int16_t subDetID = -1;
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int16_t layer = -1;
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int16_t disk = -1;
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std::string asString() const;
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ClassDefNV(Cluster, 1);
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};
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} // namespace o2::trk
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#endif

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/include/DataFormatsTRK/ROFRecord.h‎

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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// All rights not expressly granted are reserved.
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//
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// This software is distributed under the terms of the GNU General Public
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// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef ALICEO2_DATAFORMATSTRK_ROFRECORD_H
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#define ALICEO2_DATAFORMATSTRK_ROFRECORD_H
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#include "CommonDataFormat/InteractionRecord.h"
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#include "CommonDataFormat/RangeReference.h"
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#include <Rtypes.h>
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#include <cstdint>
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#include <string>
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namespace o2::trk
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{
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class ROFRecord
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{
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public:
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using EvIdx = o2::dataformats::RangeReference<int, int>;
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using BCData = o2::InteractionRecord;
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using ROFtype = unsigned int;
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ROFRecord() = default;
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ROFRecord(const BCData& bc, ROFtype rof, int idx, int n)
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: mBCData(bc), mROFEntry(idx, n), mROFrame(rof) {}
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void setBCData(const BCData& bc) { mBCData = bc; }
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void setROFrame(ROFtype rof) { mROFrame = rof; }
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void setEntry(EvIdx entry) { mROFEntry = entry; }
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void setFirstEntry(int idx) { mROFEntry.setFirstEntry(idx); }
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void setNEntries(int n) { mROFEntry.setEntries(n); }
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const BCData& getBCData() const { return mBCData; }
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BCData& getBCData() { return mBCData; }
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EvIdx getEntry() const { return mROFEntry; }
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EvIdx& getEntry() { return mROFEntry; }
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int getNEntries() const { return mROFEntry.getEntries(); }
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int getFirstEntry() const { return mROFEntry.getFirstEntry(); }
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ROFtype getROFrame() const { return mROFrame; }
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std::string asString() const;
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private:
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o2::InteractionRecord mBCData;
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EvIdx mROFEntry;
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ROFtype mROFrame = 0;
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ClassDefNV(ROFRecord, 1);
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};
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struct MC2ROFRecord {
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using ROFtype = unsigned int;
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int eventRecordID = -1;
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int rofRecordID = 0;
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ROFtype minROF = 0;
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ROFtype maxROF = 0;
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MC2ROFRecord() = default;
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MC2ROFRecord(int evID, int rofRecID, ROFtype mnrof, ROFtype mxrof) : eventRecordID(evID), rofRecordID(rofRecID), minROF(mnrof), maxROF(mxrof) {}
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ClassDefNV(MC2ROFRecord, 1);
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};
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} // namespace o2::trk
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#endif

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/src/Cluster.cxx‎

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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// All rights not expressly granted are reserved.
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//
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// This software is distributed under the terms of the GNU General Public
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// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#include "DataFormatsTRK/Cluster.h"
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#include <sstream>
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ClassImp(o2::trk::Cluster);
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namespace o2::trk
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{
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std::string Cluster::asString() const
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{
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std::ostringstream stream;
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stream << "chip=" << chipID << " row=" << row << " col=" << col << " size=" << size
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<< " subDet=" << subDetID << " layer=" << layer << " disk=" << disk;
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return stream.str();
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}
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} // namespace o2::trk

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/src/DataFormatsTRKLinkDef.h‎

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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// All rights not expressly granted are reserved.
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//
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// This software is distributed under the terms of the GNU General Public
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// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifdef __CLING__
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#pragma link off all globals;
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#pragma link off all classes;
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#pragma link off all functions;
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#pragma link C++ class o2::trk::Cluster + ;
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#pragma link C++ class std::vector < o2::trk::Cluster> + ;
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#pragma link C++ class o2::trk::ROFRecord + ;
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#pragma link C++ class std::vector < o2::trk::ROFRecord> + ;
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#pragma link C++ class o2::trk::MC2ROFRecord + ;
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#pragma link C++ class std::vector < o2::trk::MC2ROFRecord> + ;
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#endif

‎DataFormats/Detectors/Upgrades/ALICE3/TRK/src/ROFRecord.cxx‎

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
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// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
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// All rights not expressly granted are reserved.
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//
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// This software is distributed under the terms of the GNU General Public
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// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#include "DataFormatsTRK/ROFRecord.h"
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#include <sstream>
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ClassImp(o2::trk::ROFRecord);
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ClassImp(o2::trk::MC2ROFRecord);
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namespace o2::trk
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{
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std::string ROFRecord::asString() const
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{
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std::ostringstream stream;
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stream << "IR=" << mBCData.asString() << " ROFrame=" << mROFrame
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<< " first=" << mROFEntry.getFirstEntry() << " n=" << mROFEntry.getEntries();
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return stream.str();
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}
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} // namespace o2::trk

‎Detectors/Upgrades/ALICE3/TRK/macros/test/CMakeLists.txt‎

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O2::TRKBase
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O2::TRKSimulation
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O2::Steer
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LABELS trk COMPILE_ONLY)
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LABELS trk COMPILE_ONLY)
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o2_add_test_root_macro(CheckClusters.C
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PUBLIC_LINK_LIBRARIES O2::DataFormatsTRK
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O2::SimulationDataFormat
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O2::Framework
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LABELS trk COMPILE_ONLY)

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