TrackIndices are simple counters, not GlobalTrackID

Author: shahor02

Detectors/TPC/calibration/SpacePoints/include/SpacePoints/TrackInterpolation.h

@@ -303,7 +303,7 @@ class TrackInterpolation
   std::vector<float> mTrackTimes{};                                                        ///< time estimates for all input tracks in micro seconds
   std::vector<o2::track::TrackParCov> mSeeds{};                                            ///< seeding track parameters (ITS tracks)
   std::map<int, int> mTrackTypes;                                                          ///< mapping of track source to array index in mTrackIndices
-  std::array<std::vector<o2::dataformats::GlobalTrackID>, 4> mTrackIndices;                ///< keep GIDs of input tracks separately for each track type
+  std::array<std::vector<uint32_t>, 4> mTrackIndices;                                      ///< keep GIDs of input tracks separately for each track type
   gsl::span<const TPCClRefElem> mTPCTracksClusIdx;                                         ///< input TPC cluster indices from span
   const ClusterNativeAccess* mTPCClusterIdxStruct = nullptr; ///< struct holding the TPC cluster indices
   // ITS specific input only needed for debugging

Detectors/TPC/calibration/SpacePoints/src/TrackInterpolation.cxx

@@ -262,7 +262,7 @@ void TrackInterpolation::process()
   // in blocks.
   std::random_device rd;
   std::mt19937 g(rd());
-  std::vector<GTrackID> trackIndices; // here we keep the GIDs for all track types in a single vector to use in loop
+  std::vector<uint32_t> trackIndices; // here we keep the GIDs for all track types in a single vector to use in loop
   std::shuffle(mTrackIndices[mTrackTypes[GTrackID::ITSTPCTRDTOF]].begin(), mTrackIndices[mTrackTypes[GTrackID::ITSTPCTRDTOF]].end(), g);
   std::shuffle(mTrackIndices[mTrackTypes[GTrackID::ITSTPCTRD]].begin(), mTrackIndices[mTrackTypes[GTrackID::ITSTPCTRD]].end(), g);
   std::shuffle(mTrackIndices[mTrackTypes[GTrackID::ITSTPCTOF]].begin(), mTrackIndices[mTrackTypes[GTrackID::ITSTPCTOF]].end(), g);