[ALICE3] Cluster finding of TRK

DataFormats/Detectors/Upgrades/ALICE3/CMakeLists.txt

@@ -10,3 +10,4 @@
 # or submit itself to any jurisdiction.
 
 add_subdirectory(FD3)
+add_subdirectory(TRK)

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

@@ -0,0 +1,24 @@
+# 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.
+
+o2_add_library(DataFormatsTRK
+  SOURCES src/Cluster.cxx
+          src/ROFRecord.cxx
+  PUBLIC_LINK_LIBRARIES O2::CommonDataFormat
+                        O2::DataFormatsITSMFT
+                        O2::SimulationDataFormat
+)
+
+o2_target_root_dictionary(DataFormatsTRK
+  HEADERS include/DataFormatsTRK/Cluster.h
+          include/DataFormatsTRK/ROFRecord.h
+  LINKDEF src/DataFormatsTRKLinkDef.h
+)

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

@@ -0,0 +1,38 @@
+// 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 ALICEO2_DATAFORMATSTRK_CLUSTER_H
+#define ALICEO2_DATAFORMATSTRK_CLUSTER_H
+
+#include <Rtypes.h>
+#include <cstdint>
+#include <string>
+
+namespace o2::trk
+{
+
+struct Cluster {
+  uint16_t chipID = 0;
+  uint16_t row = 0;
+  uint16_t col = 0;
+  uint16_t size = 1;
+  int16_t subDetID = -1;
+  int16_t layer = -1;
+  int16_t disk = -1;
+
+  std::string asString() const;
+
+  ClassDefNV(Cluster, 1);
+};
+
+} // namespace o2::trk
+
+#endif

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

@@ -0,0 +1,75 @@
+// 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 ALICEO2_DATAFORMATSTRK_ROFRECORD_H
+#define ALICEO2_DATAFORMATSTRK_ROFRECORD_H
+
+#include "CommonDataFormat/InteractionRecord.h"
+#include "CommonDataFormat/RangeReference.h"
+#include <Rtypes.h>
+#include <cstdint>
+#include <string>
+
+namespace o2::trk
+{
+
+class ROFRecord
+{
+ public:
+  using EvIdx = o2::dataformats::RangeReference<int, int>;
+  using BCData = o2::InteractionRecord;
+  using ROFtype = unsigned int;
+
+  ROFRecord() = default;
+  ROFRecord(const BCData& bc, ROFtype rof, int idx, int n)
+    : mBCData(bc), mROFEntry(idx, n), mROFrame(rof) {}
+
+  void setBCData(const BCData& bc) { mBCData = bc; }
+  void setROFrame(ROFtype rof) { mROFrame = rof; }
+  void setEntry(EvIdx entry) { mROFEntry = entry; }
+  void setFirstEntry(int idx) { mROFEntry.setFirstEntry(idx); }
+  void setNEntries(int n) { mROFEntry.setEntries(n); }
+
+  const BCData& getBCData() const { return mBCData; }
+  BCData& getBCData() { return mBCData; }
+  EvIdx getEntry() const { return mROFEntry; }
+  EvIdx& getEntry() { return mROFEntry; }
+  int getNEntries() const { return mROFEntry.getEntries(); }
+  int getFirstEntry() const { return mROFEntry.getFirstEntry(); }
+  ROFtype getROFrame() const { return mROFrame; }
+
+  std::string asString() const;
+
+ private:
+  o2::InteractionRecord mBCData;
+  EvIdx mROFEntry;
+  ROFtype mROFrame = 0;
+
+  ClassDefNV(ROFRecord, 1);
+};
+
+struct MC2ROFRecord {
+  using ROFtype = unsigned int;
+
+  int eventRecordID = -1;
+  int rofRecordID = 0;
+  ROFtype minROF = 0;
+  ROFtype maxROF = 0;
+
+  MC2ROFRecord() = default;
+  MC2ROFRecord(int evID, int rofRecID, ROFtype mnrof, ROFtype mxrof) : eventRecordID(evID), rofRecordID(rofRecID), minROF(mnrof), maxROF(mxrof) {}
+
+  ClassDefNV(MC2ROFRecord, 1);
+};
+
+} // namespace o2::trk
+
+#endif

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

@@ -0,0 +1,28 @@
+// 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.
+
+#include "DataFormatsTRK/Cluster.h"
+#include <sstream>
+
+ClassImp(o2::trk::Cluster);
+
+namespace o2::trk
+{
+
+std::string Cluster::asString() const
+{
+  std::ostringstream stream;
+  stream << "chip=" << chipID << " row=" << row << " col=" << col << " size=" << size
+         << " subDet=" << subDetID << " layer=" << layer << " disk=" << disk;
+  return stream.str();
+}
+
+} // namespace o2::trk

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

@@ -0,0 +1,25 @@
+// 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.
+
+#ifdef __CLING__
+
+#pragma link off all globals;
+#pragma link off all classes;
+#pragma link off all functions;
+
+#pragma link C++ class o2::trk::Cluster + ;
+#pragma link C++ class std::vector < o2::trk::Cluster> + ;
+#pragma link C++ class o2::trk::ROFRecord + ;
+#pragma link C++ class std::vector < o2::trk::ROFRecord> + ;
+#pragma link C++ class o2::trk::MC2ROFRecord + ;
+#pragma link C++ class std::vector < o2::trk::MC2ROFRecord> + ;
+
+#endif

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

@@ -0,0 +1,29 @@
+// 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.
+
+#include "DataFormatsTRK/ROFRecord.h"
+#include <sstream>
+
+ClassImp(o2::trk::ROFRecord);
+ClassImp(o2::trk::MC2ROFRecord);
+
+namespace o2::trk
+{
+
+std::string ROFRecord::asString() const
+{
+  std::ostringstream stream;
+  stream << "IR=" << mBCData.asString() << " ROFrame=" << mROFrame
+         << " first=" << mROFEntry.getFirstEntry() << " n=" << mROFEntry.getEntries();
+  return stream.str();
+}
+
+} // namespace o2::trk

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

@@ -28,4 +28,12 @@ o2_add_test_root_macro(CheckTracksCA.C
                                              O2::TRKBase
                                              O2::TRKSimulation
                                              O2::Steer
-                       LABELS trk COMPILE_ONLY)
+                       LABELS trk COMPILE_ONLY)
+
+o2_add_test_root_macro(CheckClusters.C
+                       PUBLIC_LINK_LIBRARIES O2::DataFormatsTRK
+                                             O2::SimulationDataFormat
+                                             O2::Framework
+                                             O2::TRKBase
+                                             O2::TRKSimulation
+                       LABELS trk COMPILE_ONLY)