#include <GeneralInterpretationAlgo.h>

Inheritance diagram for ticl::GeneralInterpretationAlgo:

Public Member Functions
	GeneralInterpretationAlgo (const edm::ParameterSet &conf, edm::ConsumesCollector iC)

void	initialize (const HGCalDDDConstants *hgcons, const hgcal::RecHitTools rhtools, const edm::ESHandle< MagneticField > bfieldH, const edm::ESHandle< Propagator > propH) override

void	makeCandidates (const Inputs &input, edm::Handle< MtdHostCollection > inputTiming_h, std::vector< Trackster > &resultTracksters, std::vector< int > &resultCandidate) override

	~GeneralInterpretationAlgo () override

Public Member Functions inherited from ticl::TICLInterpretationAlgoBase< reco::Track >
	TICLInterpretationAlgoBase (const edm::ParameterSet &conf, edm::ConsumesCollector)

virtual	~TICLInterpretationAlgoBase ()

Static Public Member Functions
static void	fillPSetDescription (edm::ParameterSetDescription &iDesc)

Static Public Member Functions inherited from ticl::TICLInterpretationAlgoBase< reco::Track >
static void	fillPSetDescription (edm::ParameterSetDescription &desc)

Private Member Functions
void	buildLayers ()

void	findTrackstersInWindow (const MultiVectorManager< Trackster > &tracksters, const std::vector< std::pair< Vector, unsigned >> &seedingCollection, const std::array< TICLLayerTile, 2 > &tracksterTiles, const std::vector< Vector > &tracksterPropPoints, float delta, unsigned trackstersSize, std::vector< std::vector< unsigned >> &resultCollection, bool useMask)

Vector	propagateTrackster (const Trackster &t, const unsigned idx, float zVal, std::array< TICLLayerTile, 2 > &tracksterTiles)

bool	timeAndEnergyCompatible (float &total_raw_energy, const reco::Track &track, const Trackster &trackster, const float &tkTime, const float &tkTimeErr, const float &tkQual, const float &tkBeta, const GlobalPoint &tkMtdPos, bool useMTDTiming)

Private Attributes
edm::ESHandle< MagneticField >	bfield_

const float	del_tk_ts_int_

const float	del_tk_ts_layer1_

std::unique_ptr< GeomDet >	firstDisk_ [2]

const HGCalDDDConstants *	hgcons_

std::unique_ptr< GeomDet >	interfaceDisk_ [2]

const float	maxDeltaT_ = 3.0f

edm::ESHandle< Propagator >	propagator_

hgcal::RecHitTools	rhtools_

const float	timing_quality_threshold_

const float	tkEnergyCut_ = 2.0f

Additional Inherited Members
Protected Attributes inherited from ticl::TICLInterpretationAlgoBase< reco::Track >
int	algo_verbosity_

Detailed Description

Definition at line 14 of file GeneralInterpretationAlgo.h.

Constructor & Destructor Documentation

◆ GeneralInterpretationAlgo()

GeneralInterpretationAlgo::GeneralInterpretationAlgo	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector	iC
	)

Definition at line 12 of file GeneralInterpretationAlgo.cc.

     : TICLInterpretationAlgoBase(conf, cc),
       del_tk_ts_layer1_(conf.getParameter<double>("delta_tk_ts_layer1")),
       del_tk_ts_int_(conf.getParameter<double>("delta_tk_ts_interface")),
       timing_quality_threshold_(conf.getParameter<double>("timing_quality_threshold")) {}

◆ ~GeneralInterpretationAlgo()

GeneralInterpretationAlgo::~GeneralInterpretationAlgo ( )

override

Definition at line 10 of file GeneralInterpretationAlgo.cc.

10 {};

Member Function Documentation

◆ buildLayers()

void GeneralInterpretationAlgo::buildLayers ( )

private

Definition at line 30 of file GeneralInterpretationAlgo.cc.

References Disk::build(), firstDisk_, hgcal::RecHitTools::getPositionLayer(), hgcons_, interfaceDisk_, hgcal::RecHitTools::lastLayerEE(), HGCalDDDConstants::rangeR(), rhtools_, and HGCalDDDConstants::waferZ().

Referenced by initialize().

                                             {
   // build disks at HGCal front & EM-Had interface for track propagation
 
   float zVal = hgcons_->waferZ(1, true);
   std::pair<float, float> rMinMax = hgcons_->rangeR(zVal, true);
 
   float zVal_interface = rhtools_.getPositionLayer(rhtools_.lastLayerEE()).z();
   std::pair<float, float> rMinMax_interface = hgcons_->rangeR(zVal_interface, true);
 
   for (int iSide = 0; iSide < 2; ++iSide) {
     float zSide = (iSide == 0) ? (-1. * zVal) : zVal;
     firstDisk_[iSide] =
         std::make_unique<GeomDet>(Disk::build(Disk::PositionType(0, 0, zSide),
                                               Disk::RotationType(),
                                               SimpleDiskBounds(rMinMax.first, rMinMax.second, zSide - 0.5, zSide + 0.5))
                                       .get());
 
     zSide = (iSide == 0) ? (-1. * zVal_interface) : zVal_interface;
     interfaceDisk_[iSide] = std::make_unique<GeomDet>(
         Disk::build(Disk::PositionType(0, 0, zSide),
                     Disk::RotationType(),
                     SimpleDiskBounds(rMinMax_interface.first, rMinMax_interface.second, zSide - 0.5, zSide + 0.5))
             .get());
   }
 }

◆ fillPSetDescription()

void GeneralInterpretationAlgo::fillPSetDescription ( edm::ParameterSetDescription & iDesc )

static

Definition at line 406 of file GeneralInterpretationAlgo.cc.

References submitPVResolutionJobs::desc, ticl::TICLInterpretationAlgoBase< T >::fillPSetDescription(), and AlCaHLTBitMon_QueryRunRegistry::string.

                                                                                     {
   desc.add<std::string>("cutTk",
                         "1.48 < abs(eta) < 3.0 && pt > 1. && quality(\"highPurity\") && "
                         "hitPattern().numberOfLostHits(\"MISSING_OUTER_HITS\") < 5");
   desc.add<double>("delta_tk_ts_layer1", 0.02);
   desc.add<double>("delta_tk_ts_interface", 0.03);
   desc.add<double>("timing_quality_threshold", 0.5);
   TICLInterpretationAlgoBase::fillPSetDescription(desc);
 }

◆ findTrackstersInWindow()

void GeneralInterpretationAlgo::findTrackstersInWindow	(	const MultiVectorManager< Trackster > &	tracksters,
		const std::vector< std::pair< Vector, unsigned >> &	seedingCollection,
		const std::array< TICLLayerTile, 2 > &	tracksterTiles,
		const std::vector< Vector > &	tracksterPropPoints,
		float	delta,
		unsigned	trackstersSize,
		std::vector< std::vector< unsigned >> &	resultCollection,
		bool	useMask = `false`
	)

private

Definition at line 86 of file GeneralInterpretationAlgo.cc.

References dumpMFGeometry_cfg::delta, egammaIdentification::eta_max, egammaIdentification::eta_min, mps_fire::i, dqmdumpme::indices, dqmiolumiharvest::j, ALPAKA_ACCELERATOR_NAMESPACE::pixelClustering::pixelStatus::mask, SiStripPI::max, ticl::TileConstants::maxEta, SiStripPI::min, ticl::TileConstants::minEta, ticl::TileConstants::nPhiBins, VtxSmearedParameters_cfi::Phi, run3scouting_cff::seedId, and jetUpdater_cfi::sort.

Referenced by makeCandidates().

                                                                              {
   // Finds tracksters in tracksterTiles within an eta-phi window
   // (given by delta) of the objects (track/trackster) in the seedingCollection.
   // Element i in resultCollection is the vector of trackster
   // indices found close to the i-th object in the seedingCollection.
   // If specified, Tracksters are masked once found as close to an object.
   std::vector<int> mask(trackstersSize, 0);
   const float delta2 = delta * delta;
 
   for (auto &i : seedingCollection) {
     float seed_eta = i.first.Eta();
     float seed_phi = i.first.Phi();
     unsigned seedId = i.second;
     auto sideZ = seed_eta > 0;  //forward or backward region
     const TICLLayerTile &tile = tracksterTiles[sideZ];
     float eta_min = std::max(std::fabs(seed_eta) - delta, (float)TileConstants::minEta);
     float eta_max = std::min(std::fabs(seed_eta) + delta, (float)TileConstants::maxEta);
 
     // get range of bins touched by delta
     std::array<int, 4> search_box = tile.searchBoxEtaPhi(eta_min, eta_max, seed_phi - delta, seed_phi + delta);
 
     std::vector<unsigned> in_delta;
     // std::vector<float> distances2;
     std::vector<float> energies;
     for (int eta_i = search_box[0]; eta_i <= search_box[1]; ++eta_i) {
       for (int phi_i = search_box[2]; phi_i <= search_box[3]; ++phi_i) {
         const auto &in_tile = tile[tile.globalBin(eta_i, (phi_i % TileConstants::nPhiBins))];
         for (const unsigned &t_i : in_tile) {
           // calculate actual distances of tracksters to the seed for a more accurate cut
           auto sep2 = (tracksterPropPoints[t_i].Eta() - seed_eta) * (tracksterPropPoints[t_i].Eta() - seed_eta) +
                       (tracksterPropPoints[t_i].Phi() - seed_phi) * (tracksterPropPoints[t_i].Phi() - seed_phi);
           if (sep2 < delta2) {
             in_delta.push_back(t_i);
             // distances2.push_back(sep2);
             energies.push_back(tracksters[t_i].raw_energy());
           }
         }
       }
     }
 
     // sort tracksters found in ascending order of their distances from the seed
     std::vector<unsigned> indices(in_delta.size());
     std::iota(indices.begin(), indices.end(), 0);
     std::sort(indices.begin(), indices.end(), [&](unsigned i, unsigned j) { return energies[i] > energies[j]; });
 
     // push back sorted tracksters in the result collection
     for (const unsigned &index : indices) {
       const auto &t_i = in_delta[index];
       if (!mask[t_i]) {
         resultCollection[seedId].push_back(t_i);
         if (useMask)
           mask[t_i] = 1;
       }
     }
 
   }  // seeding collection loop
 }

◆ initialize()

void GeneralInterpretationAlgo::initialize	(	const HGCalDDDConstants *	hgcons,
		const hgcal::RecHitTools	rhtools,
		const edm::ESHandle< MagneticField >	bfieldH,
		const edm::ESHandle< Propagator >	propH
	)

overridevirtual

Implements ticl::TICLInterpretationAlgoBase< reco::Track >.

Definition at line 18 of file GeneralInterpretationAlgo.cc.

References bfield_, buildLayers(), hgcons_, propagator_, and rhtools_.

                                                                                 {
   hgcons_ = hgcons;
   rhtools_ = rhtools;
   buildLayers();
 
   bfield_ = bfieldH;
   propagator_ = propH;
 }

◆ makeCandidates()

void GeneralInterpretationAlgo::makeCandidates	(	const Inputs &	input,
		edm::Handle< MtdHostCollection >	inputTiming_h,
		std::vector< Trackster > &	resultTracksters,
		std::vector< int > &	resultCandidate
	)

overridevirtual

Implements ticl::TICLInterpretationAlgoBase< reco::Track >.

Definition at line 205 of file GeneralInterpretationAlgo.cc.

References ticl::Advanced, ticl::TICLInterpretationAlgoBase< T >::algo_verbosity_, bfield_, ticl::Trackster::charged_hadron, del_tk_ts_int_, del_tk_ts_layer1_, ticl::Trackster::electron, relativeConstraints::empty, f, findTrackstersInWindow(), firstDisk_, hgcal::RecHitTools::getPositionLayer(), hgcons_, mps_fire::i, input, createfilelist::int, interfaceDisk_, edm::HandleBase::isValid(), dqmiolumiharvest::j, hgcal::RecHitTools::lastLayerEE(), LogDebug, ticl::Trackster::mergeTracksters(), trajectoryStateTransform::outerFreeState(), edm::ESHandle< T >::product(), Propagator::propagate(), propagateTrackster(), rhtools_, jetUpdater_cfi::sort, submitPVValidationJobs::t, timeAndEnergyCompatible(), MuonTCMETValueMapProducer_cff::track_quality, DiMuonV_cfg::tracks, pfTICL_cfi::useMTDTiming, and HGCalDDDConstants::waferZ().

                                                                                 {
   bool useMTDTiming = inputTiming_h.isValid();
   const auto tkH = input.tracksHandle;
   const auto maskTracks = input.maskedTracks;
   const auto &tracks = *tkH;
   const auto &tracksters = input.tracksters;
 
   auto bFieldProd = bfield_.product();
   const Propagator &prop = (*propagator_);
 
   // propagated point collections
   // elements in the propagated points collecions are used
   // to look for potential linkages in the appropriate tiles
   std::vector<std::pair<Vector, unsigned>> trackPColl;     // propagated track points and index of track in collection
   std::vector<std::pair<Vector, unsigned>> tkPropIntColl;  // tracks propagated to lastLayerEE
 
   trackPColl.reserve(tracks.size());
   tkPropIntColl.reserve(tracks.size());
 
   std::array<TICLLayerTile, 2> tracksterPropTiles = {};  // all Tracksters, propagated to layer 1
   std::array<TICLLayerTile, 2> tsPropIntTiles = {};      // all Tracksters, propagated to lastLayerEE
 
   if (TICLInterpretationAlgoBase::algo_verbosity_ > VerbosityLevel::Advanced)
     LogDebug("GeneralInterpretationAlgo") << "------- Geometric Linking ------- \n";
 
   // Propagate tracks
   std::vector<unsigned> candidateTrackIds;
   candidateTrackIds.reserve(tracks.size());
   for (unsigned i = 0; i < tracks.size(); ++i) {
     if (!maskTracks[i])
       continue;
     candidateTrackIds.push_back(i);
   }
 
   std::sort(candidateTrackIds.begin(), candidateTrackIds.end(), [&](unsigned i, unsigned j) {
     return tracks[i].p() > tracks[j].p();
   });
 
   for (auto const i : candidateTrackIds) {
     const auto &tk = tracks[i];
     int iSide = int(tk.eta() > 0);
     const auto &fts = trajectoryStateTransform::outerFreeState((tk), bFieldProd);
     // to the HGCal front
     const auto &tsos = prop.propagate(fts, firstDisk_[iSide]->surface());
     if (tsos.isValid()) {
       Vector trackP(tsos.globalPosition().x(), tsos.globalPosition().y(), tsos.globalPosition().z());
       trackPColl.emplace_back(trackP, i);
     }
     // to lastLayerEE
     const auto &tsos_int = prop.propagate(fts, interfaceDisk_[iSide]->surface());
     if (tsos_int.isValid()) {
       Vector trackP(tsos_int.globalPosition().x(), tsos_int.globalPosition().y(), tsos_int.globalPosition().z());
       tkPropIntColl.emplace_back(trackP, i);
     }
   }  // Tracks
   tkPropIntColl.shrink_to_fit();
   trackPColl.shrink_to_fit();
   candidateTrackIds.shrink_to_fit();
 
   // Propagate tracksters
 
   // Record postions of all tracksters propagated to layer 1 and lastLayerEE,
   // to be used later for distance calculation in the link finding stage
   // indexed by trackster index in event collection
   std::vector<Vector> tsAllProp;
   std::vector<Vector> tsAllPropInt;
   tsAllProp.reserve(tracksters.size());
   tsAllPropInt.reserve(tracksters.size());
   // Propagate tracksters
 
   for (unsigned i = 0; i < tracksters.size(); ++i) {
     const auto &t = tracksters[i];
     if (TICLInterpretationAlgoBase::algo_verbosity_ > VerbosityLevel::Advanced)
       LogDebug("GeneralInterpretationAlgo")
           << "trackster " << i << " - eta " << t.barycenter().eta() << " phi " << t.barycenter().phi() << " time "
           << t.time() << " energy " << t.raw_energy() << "\n";
 
     // to HGCal front
     float zVal = hgcons_->waferZ(1, true);
     auto tsP = propagateTrackster(t, i, zVal, tracksterPropTiles);
     tsAllProp.emplace_back(tsP);
 
     // to lastLayerEE
     zVal = rhtools_.getPositionLayer(rhtools_.lastLayerEE()).z();
     tsP = propagateTrackster(t, i, zVal, tsPropIntTiles);
     tsAllPropInt.emplace_back(tsP);
 
   }  // TS
 
   // step 1: tracks -> all tracksters, at firstLayerEE
   std::vector<std::vector<unsigned>> tsNearTk(tracks.size());
   findTrackstersInWindow(
       tracksters, trackPColl, tracksterPropTiles, tsAllProp, del_tk_ts_layer1_, tracksters.size(), tsNearTk);
 
   // step 2: tracks -> all tracksters, at lastLayerEE
   std::vector<std::vector<unsigned>> tsNearTkAtInt(tracks.size());
   findTrackstersInWindow(
       tracksters, tkPropIntColl, tsPropIntTiles, tsAllPropInt, del_tk_ts_int_, tracksters.size(), tsNearTkAtInt);
 
   std::vector<unsigned int> chargedHadronsFromTk;
   std::vector<std::vector<unsigned int>> trackstersInTrackIndices;
   trackstersInTrackIndices.resize(tracks.size());
 
   std::vector<bool> chargedMask(tracksters.size(), true);
   for (unsigned &i : candidateTrackIds) {
     if (tsNearTk[i].empty() && tsNearTkAtInt[i].empty()) {  // nothing linked to track, make charged hadrons
       continue;
     }
 
     std::vector<unsigned int> chargedCandidate;
     float total_raw_energy = 0.f;
 
     float track_time = 0.f;
     float track_timeErr = 0.f;
     float track_quality = 0.f;
     float track_beta = 0.f;
     GlobalPoint track_MtdPos{0.f, 0.f, 0.f};
     if (useMTDTiming) {
       auto const &inputTimingView = (*inputTiming_h).const_view();
       track_time = inputTimingView.time()[i];
       track_timeErr = inputTimingView.timeErr()[i];
       track_quality = inputTimingView.MVAquality()[i];
       track_beta = inputTimingView.beta()[i];
       track_MtdPos = {
           inputTimingView.posInMTD_x()[i], inputTimingView.posInMTD_y()[i], inputTimingView.posInMTD_z()[i]};
     }
 
     for (auto const tsIdx : tsNearTk[i]) {
       if (chargedMask[tsIdx] && timeAndEnergyCompatible(total_raw_energy,
                                                         tracks[i],
                                                         tracksters[tsIdx],
                                                         track_time,
                                                         track_timeErr,
                                                         track_quality,
                                                         track_beta,
                                                         track_MtdPos,
                                                         useMTDTiming)) {
         chargedCandidate.push_back(tsIdx);
         chargedMask[tsIdx] = false;
         total_raw_energy += tracksters[tsIdx].raw_energy();
       }
     }
     for (const unsigned tsIdx : tsNearTkAtInt[i]) {  // do the same for tk -> ts links at the interface
       if (chargedMask[tsIdx] && timeAndEnergyCompatible(total_raw_energy,
                                                         tracks[i],
                                                         tracksters[tsIdx],
                                                         track_time,
                                                         track_timeErr,
                                                         track_quality,
                                                         track_beta,
                                                         track_MtdPos,
                                                         useMTDTiming)) {
         chargedCandidate.push_back(tsIdx);
         chargedMask[tsIdx] = false;
         total_raw_energy += tracksters[tsIdx].raw_energy();
       }
     }
     trackstersInTrackIndices[i] = chargedCandidate;
   }
 
   for (size_t iTrack = 0; iTrack < trackstersInTrackIndices.size(); iTrack++) {
     if (!trackstersInTrackIndices[iTrack].empty()) {
       if (trackstersInTrackIndices[iTrack].size() == 1) {
         auto tracksterId = trackstersInTrackIndices[iTrack][0];
         resultCandidate[iTrack] = resultTracksters.size();
         resultTracksters.push_back(input.tracksters[tracksterId]);
       } else {
         // in this case mergeTracksters() clears the pid probabilities and the regressed energy is not set
         // TODO: fix probabilities when CNN will be splitted
         Trackster outTrackster;
         float regr_en = 0.f;
         bool isHadron = false;
         for (auto const tracksterId : trackstersInTrackIndices[iTrack]) {
           //maskTracksters[tracksterId] = 0;
           outTrackster.mergeTracksters(input.tracksters[tracksterId]);
           regr_en += input.tracksters[tracksterId].regressed_energy();
           if (input.tracksters[tracksterId].isHadronic())
             isHadron = true;
         }
         resultCandidate[iTrack] = resultTracksters.size();
         resultTracksters.push_back(outTrackster);
         resultTracksters.back().setRegressedEnergy(regr_en);
         // since a track has been linked it can only be electron or charged hadron
         if (isHadron)
           resultTracksters.back().setIdProbability(ticl::Trackster::ParticleType::charged_hadron, 1.f);
         else
           resultTracksters.back().setIdProbability(ticl::Trackster::ParticleType::electron, 1.f);
       }
     }
   }
 
   for (size_t iTrackster = 0; iTrackster < input.tracksters.size(); iTrackster++) {
     if (chargedMask[iTrackster]) {
       resultTracksters.push_back(input.tracksters[iTrackster]);
     }
   }
 };

◆ propagateTrackster()

Vector GeneralInterpretationAlgo::propagateTrackster	(	const Trackster &	t,
		const unsigned	idx,
		float	zVal,
		std::array< TICLLayerTile, 2 > &	tracksterTiles
	)

private

Definition at line 55 of file GeneralInterpretationAlgo.cc.

References heavyIonCSV_trainingSettings::idx, and submitPVValidationJobs::t.

Referenced by makeCandidates().

                                                                                                  {
   // needs only the positive Z co-ordinate of the surface to propagate to
   // the correct sign is calculated inside according to the barycenter of trackster
   Vector const &baryc = t.barycenter();
   Vector directnv = t.eigenvectors(0);
 
   // barycenter as direction for tracksters w/ poor PCA
   // propagation still done to get the cartesian coords
   // which are anyway converted to eta, phi in linking
   // -> can be simplified later
 
   //FP: disable PCA propagation for the moment and fallback to barycenter position
   // if (t.eigenvalues()[0] / t.eigenvalues()[1] < 20)
   directnv = baryc.unit();
   zVal *= (baryc.Z() > 0) ? 1 : -1;
   float par = (zVal - baryc.Z()) / directnv.Z();
   float xOnSurface = par * directnv.X() + baryc.X();
   float yOnSurface = par * directnv.Y() + baryc.Y();
   Vector tPoint(xOnSurface, yOnSurface, zVal);
   if (tPoint.Eta() > 0) {
     tracksterTiles[1].fill(tPoint.Eta(), tPoint.Phi(), idx);
   } else if (tPoint.Eta() < 0) {
     tracksterTiles[0].fill(tPoint.Eta(), tPoint.Phi(), idx);
   }
 
   return tPoint;
 }

◆ timeAndEnergyCompatible()

bool GeneralInterpretationAlgo::timeAndEnergyCompatible	(	float &	total_raw_energy,
		const reco::Track &	track,
		const Trackster &	trackster,
		const float &	tkTime,
		const float &	tkTimeErr,
		const float &	tkQual,
		const float &	tkBeta,
		const GlobalPoint &	tkMtdPos,
		bool	useMTDTiming
	)

private

Definition at line 151 of file GeneralInterpretationAlgo.cc.

References funct::abs(), ticl::Advanced, ticl::TICLInterpretationAlgoBase< T >::algo_verbosity_, ticl::Trackster::barycenter(), LogDebug, maxDeltaT_, SiStripPI::min, or, ticl::Trackster::raw_energy(), mathSSE::sqrt(), DiMuonV_cfg::threshold, ticl::Trackster::time(), ticl::Trackster::timeError(), timing_quality_threshold_, HLT_2024v13_cff::track, pfTICL_cfi::useMTDTiming, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by makeCandidates().

                                                                            {
   float threshold = std::min(0.2 * trackster.raw_energy(), 10.0);
   bool energyCompatible = (total_raw_energy + trackster.raw_energy() < track.p() + threshold);
 
   if (!useMTDTiming)
     return energyCompatible;
 
   // compatible if trackster time is within 3sigma of
   // track time; compatible if either: no time assigned
   // to trackster or track
 
   float tsT = trackster.time();
   float tsTErr = trackster.timeError();
 
   bool timeCompatible = false;
   if (tsT == -99. or tkTErr == -1 or tkQual < timing_quality_threshold_)
     timeCompatible = true;
   else {
     const auto &barycenter = trackster.barycenter();
 
     const auto deltaSoverV = std::sqrt((barycenter.x() - tkMtdPos.x()) * (barycenter.x() - tkMtdPos.x()) +
                                        (barycenter.y() - tkMtdPos.y()) * (barycenter.y() - tkMtdPos.y()) +
                                        (barycenter.z() - tkMtdPos.z()) * (barycenter.z() - tkMtdPos.z())) /
                              (tkBeta * 29.9792458);
 
     const auto deltaT = tsT - tkT;
 
     //  timeCompatible = (std::abs(deltaSoverV - deltaT) < maxDeltaT_ * sqrt(tsTErr * tsTErr + tkTErr * tkTErr));
     // use sqrt(2) * error on the track for the total error, because the time of the trackster is too small
     timeCompatible = std::abs(deltaSoverV - deltaT) < maxDeltaT_ * std::sqrt(tsTErr * tsTErr + tkTErr * tkTErr);
   }
 
   if (TICLInterpretationAlgoBase::algo_verbosity_ > VerbosityLevel::Advanced) {
     if (!(energyCompatible))
       LogDebug("GeneralInterpretationAlgo")
           << "energy incompatible : track p " << track.p() << " trackster energy " << trackster.raw_energy() << "\n"
           << "                      total_raw_energy " << total_raw_energy << " greater than track p + threshold "
           << track.p() + threshold << "\n";
     if (!(timeCompatible))
       LogDebug("GeneralInterpretationAlgo") << "time incompatible : track time " << tkT << " +/- " << tkTErr
                                             << " trackster time " << tsT << " +/- " << tsTErr << "\n";
   }
 
   return energyCompatible && timeCompatible;
 }