TrackQuality Class Reference

This class analyses the reconstruction quality for a given track. More...

#include <TrackQuality.h>

Classes
struct	Layer

Public Types
enum	QualityAlgorithm { QualityAlgorithm::Cut, QualityAlgorithm::GBDT, QualityAlgorithm::NN, QualityAlgorithm::None }
typedef std::vector < TrackingParticleRef >	SimParticleTrail

Public Member Functions
void	evaluate (SimParticleTrail const &, reco::TrackBaseRef const &, const TrackerTopology *tTopo)
	Compute information about the track reconstruction quality. More...
std::vector< float >	featureTransform (TTTrack< Ref_Phase2TrackerDigi_ > &aTrack, std::vector< std::string > const &featureNames)
const Layer &	layer (unsigned int index) const
	Return information about the given layer by index. More...
void	newEvent (const edm::Event &, const edm::EventSetup &)
	Pre-process event information (for accessing reconstruction information) More...
unsigned int	numberOfLayers () const
	Return the number of layers with simulated and/or reconstructed hits. More...
void	setCutParameters (std::string const &AlgorithmString, float maxZ0, float maxEta, float chi2dofMax, float bendchi2Max, float minPt, int nStubmin)
void	setONNXModel (std::string const &AlgorithmString, edm::FileInPath const &ONNXmodel, std::string const &ONNXInputName, std::vector< std::string > const &featureNames)
void	setTrackQuality (TTTrack< Ref_Phase2TrackerDigi_ > &aTrack)
	TrackQuality ()
	TrackQuality (const edm::ParameterSet &qualityParams)
	TrackQuality (const edm::ParameterSet &, edm::ConsumesCollector &iC)
	Constructor by pset. More...
	~TrackQuality ()=default

Private Attributes
std::unique_ptr < TrackerHitAssociator >	associator_
float	bendchi2Max_
float	chi2dofMax_
std::vector< std::string >	featureNames_
std::vector< Layer >	layers_
float	maxEta_
float	maxZ0_
float	minPt_
int	nStubsmin_
std::string	ONNXInputName_
float	ONNXInvRScaling_
edm::FileInPath	ONNXmodel_
QualityAlgorithm	qualityAlgorithm_ = QualityAlgorithm::None
TrackerHitAssociator::Config	trackerHitAssociatorConfig_

Detailed Description

This class analyses the reconstruction quality for a given track.

Definition at line 29 of file TrackQuality.h.

Member Typedef Documentation

typedef std::vector<TrackingParticleRef> TrackQuality::SimParticleTrail

Definition at line 30 of file TrackQuality.h.

Member Enumeration Documentation

enum TrackQuality::QualityAlgorithm

strong

Enumerator
Cut
GBDT
NN
None

Definition at line 32 of file TrackQuality.h.

{ Cut, GBDT, NN, None };

Constructor & Destructor Documentation

TrackQuality::TrackQuality

(

)

Definition at line 12 of file TrackQuality.cc.

{}

TrackQuality::TrackQuality

(

const edm::ParameterSet &

qualityParams

)

Definition at line 14 of file TrackQuality.cc.

References edm::ParameterSet::getParameter(), ONNXInvRScaling_, setCutParameters(), setONNXModel(), and AlCaHLTBitMon_QueryRunRegistry::string.

                                                               {
  std::string AlgorithmString = qualityParams.getParameter<std::string>("qualityAlgorithm");
  // Unpacks EDM parameter set itself to save unecessary processing within TrackProducers
  if (AlgorithmString == "Cut") {
    setCutParameters(AlgorithmString,
                     (float)qualityParams.getParameter<double>("maxZ0"),
                     (float)qualityParams.getParameter<double>("maxEta"),
                     (float)qualityParams.getParameter<double>("chi2dofMax"),
                     (float)qualityParams.getParameter<double>("bendchi2Max"),
                     (float)qualityParams.getParameter<double>("minPt"),
                     qualityParams.getParameter<int>("nStubsmin"));
  }

  else {
    setONNXModel(AlgorithmString,
                 qualityParams.getParameter<edm::FileInPath>("ONNXmodel"),
                 qualityParams.getParameter<std::string>("ONNXInputName"),
                 qualityParams.getParameter<std::vector<std::string>>("featureNames"));
    ONNXInvRScaling_ = qualityParams.getParameter<double>("ONNXInvRScale");
  }
}

TrackQuality::~TrackQuality ( )

default

TrackQuality::TrackQuality	(	const edm::ParameterSet &	config,
		edm::ConsumesCollector &	iC
	)

Constructor by pset.

Definition at line 135 of file TrackQuality.cc.

    : trackerHitAssociatorConfig_(config.getParameter<edm::ParameterSet>("hitAssociator"), std::move(iC)) {}

Member Function Documentation

void TrackQuality::evaluate	(	SimParticleTrail const &	spt,
		reco::TrackBaseRef const &	tr,
		const TrackerTopology *	tTopo
	)

Compute information about the track reconstruction quality.

Definition at line 142 of file TrackQuality.cc.

References associator_, TrackQuality::Layer::Bad, TrackingRecHit::bad, gather_cfg::cout, TrackQuality::Layer::Dead, DetId::det(), getDetLayer(), TrackQuality::Layer::hits, mps_fire::i, TrackingRecHit::inactive, TrackQuality::Layer::layer, layer(), layers_, TrackQuality::Layer::Misassoc, TrackQuality::Layer::Missed, DetId::Muon, TrackQuality::Layer::Noise, TrackQuality::Layer::Hit::recHitId, reco::Track::recHitsBegin(), reco::Track::recHitsEnd(), TrackQuality::Layer::Hit::state, TrackQuality::Layer::subDet, and TrackQuality::Layer::Unknown.

Referenced by TrackClassifier::qualityInformation().

                                                                                                                 {
  std::vector<MatchedHit> matchedHits;

  // iterate over reconstructed hits
  for (trackingRecHit_iterator hit = tr->recHitsBegin(); hit != tr->recHitsEnd(); ++hit) {
    // on which module the hit lies
    DetId detId = (*hit)->geographicalId();

    // FIXME: check for double-sided modules?

    // didn't find a hit on that module
    if (!(*hit)->isValid()) {
      MatchedHit matchedHit;
      matchedHit.detId = detId;
      matchedHit.simTrackId = NonMatchedTrackId;
      // check why hit wasn't valid and propagate information
      switch ((*hit)->getType()) {
        case TrackingRecHit::inactive:
          matchedHit.state = Layer::Dead;
          break;

        case TrackingRecHit::bad:
          matchedHit.state = Layer::Bad;
          break;

        default:
          matchedHit.state = Layer::Missed;
      }
      matchedHit.recHitId = hit - tr->recHitsBegin();
      matchedHits.push_back(matchedHit);
      continue;
    }

    // find simulated tracks causing hit that was reconstructed
    std::vector<SimHitIdpr> simIds = associator_->associateHitId(**hit);

    // must be noise or so
    if (simIds.empty()) {
      MatchedHit matchedHit;
      matchedHit.detId = detId;
      matchedHit.simTrackId = NonMatchedTrackId;
      matchedHit.state = Layer::Noise;
      matchedHit.recHitId = hit - tr->recHitsBegin();
      matchedHits.push_back(matchedHit);
      continue;
    }

    // register all simulated tracks contributing
    for (std::vector<SimHitIdpr>::const_iterator i = simIds.begin(); i != simIds.end(); ++i) {
      MatchedHit matchedHit;
      matchedHit.detId = detId;
      matchedHit.simTrackId = i->first;
      matchedHit.collision = i->second;
      // RecHit <-> SimHit matcher currently doesn't support muon system
      if (detId.det() == DetId::Muon)
        matchedHit.state = Layer::Unknown;
      else
        // assume hit was mismatched (until possible confirmation)
        matchedHit.state = Layer::Misassoc;
      matchedHit.recHitId = hit - tr->recHitsBegin();
      matchedHits.push_back(matchedHit);
    }
  }

  // sort hits found so far by module id
  std::stable_sort(matchedHits.begin(), matchedHits.end());

  // in case we added missed modules, re-sort
  std::stable_sort(matchedHits.begin(), matchedHits.end());

  // prepare for ordering results by layer enum and layer/disk number
  typedef std::multimap<DetLayer, const MatchedHit *> LayerHitMap;
  LayerHitMap layerHitMap;

  // iterate over all simulated/reconstructed hits again
  for (std::vector<MatchedHit>::const_iterator hit = matchedHits.begin(); hit != matchedHits.end();) {
    // we can have multiple reco-to-sim matches per module, find best one
    const MatchedHit *best = nullptr;

    // this loop iterates over all subsequent hits in the same module
    do {
      // update our best hit pointer
      if (!best || statePriorities[hit->state] > statePriorities[best->state] ||
          best->simTrackId == NonMatchedTrackId) {
        best = &*hit;
      }
      ++hit;
    } while (hit != matchedHits.end() && hit->detId == best->detId);

    // ignore hit in case track reco was looking at the wrong module
    if (best->simTrackId != NonMatchedTrackId || best->state != Layer::Missed) {
      layerHitMap.insert(std::make_pair(getDetLayer(best->detId, tTopo), best));
    }
  }

  layers_.clear();

#ifdef DEBUG_TRACK_QUALITY
  std::cout << "---------------------" << std::endl;
#endif
  // now prepare final collection
  for (LayerHitMap::const_iterator hit = layerHitMap.begin(); hit != layerHitMap.end(); ++hit) {
#ifdef DEBUG_TRACK_QUALITY
    std::cout << "detLayer (" << hit->first.first << ", " << hit->first.second << ")"
              << " [" << (uint32_t)hit->second->detId << "] sim(" << (int)hit->second->simTrackId << ")"
              << " hit(" << hit->second->recHitId << ") -> " << hit->second->state << std::endl;
#endif

    // find out if we need to start a new layer
    Layer *layer = layers_.empty() ? nullptr : &layers_.back();
    if (!layer || hit->first.first != layer->subDet || hit->first.second != layer->layer) {
      Layer newLayer;
      newLayer.subDet = hit->first.first;
      newLayer.layer = hit->first.second;
      layers_.push_back(newLayer);
      layer = &layers_.back();
    }

    // create hit and add it to layer
    Layer::Hit newHit;
    newHit.recHitId = hit->second->recHitId;
    newHit.state = hit->second->state;

    layer->hits.push_back(newHit);
  }
}

std::vector< float > TrackQuality::featureTransform	(	TTTrack< Ref_Phase2TrackerDigi_ > &	aTrack,
		std::vector< std::string > const &	featureNames
	)

Definition at line 36 of file TrackQuality.cc.

References funct::abs(), TTTrack< T >::chi2(), TTTrack< T >::chi2XY(), TTTrack< T >::chi2Z(), PVValHelper::eta, TTTrack< T >::eta(), TTTrack< T >::getStubRefs(), TTTrack< T >::hitPattern(), mps_fire::i, dqmiolumiharvest::j, isotrackApplyRegressor::k, log, TTTrack< T >::momentum(), ONNXInvRScaling_, PV3DBase< T, PVType, FrameType >::perp(), TTTrack< T >::phi(), TTTrack< T >::rInv(), cmsswSequenceInfo::seq, AlCaHLTBitMon_QueryRunRegistry::string, TTTrack< T >::stubPtConsistency(), TTTrack< T >::tanL(), and TTTrack< T >::z0().

Referenced by setTrackQuality().

                                                                                            {
  // List input features for MVA in proper order below, the features options are
  // {"log_chi2","log_chi2rphi","log_chi2rz","log_bendchi2","nstubs","lay1_hits","lay2_hits",
  // "lay3_hits","lay4_hits","lay5_hits","lay6_hits","disk1_hits","disk2_hits","disk3_hits",
  // "disk4_hits","disk5_hits","rinv","tanl","z0","dtot","ltot","chi2","chi2rz","chi2rphi",
  // "bendchi2","pt","eta","nlaymiss_interior","phi","bendchi2_bin","chi2rz_bin","chi2rphi_bin"}

  std::vector<float> transformedFeatures;

  // Define feature map, filled as features are generated
  std::map<std::string, float> feature_map;

  // The following converts the 7 bit hitmask in the TTTrackword to an expected
  // 11 bit hitmask based on the eta of the track
  std::vector<int> hitpattern_binary = {0, 0, 0, 0, 0, 0, 0};
  std::vector<int> hitpattern_expanded_binary = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  std::vector<float> eta_bins = {0.0, 0.2, 0.41, 0.62, 0.9, 1.26, 1.68, 2.08, 2.4};

  // Expected hitmap table, each row corresponds to an eta bin, each value corresponds to
  // the expected layer in the expanded hit pattern. The expanded hit pattern should be
  // 11 bits but contains a 12th element so this hitmap table is symmetric
  int hitmap[8][7] = {{0, 1, 2, 3, 4, 5, 11},
                      {0, 1, 2, 3, 4, 5, 11},
                      {0, 1, 2, 3, 4, 5, 11},
                      {0, 1, 2, 3, 4, 5, 11},
                      {0, 1, 2, 3, 4, 5, 11},
                      {0, 1, 2, 6, 7, 8, 9},
                      {0, 1, 7, 8, 9, 10, 11},
                      {0, 6, 7, 8, 9, 10, 11}};

  // iterate through bits of the hitpattern and compare to 1 filling the hitpattern binary vector
  int tmp_trk_hitpattern = aTrack.hitPattern();
  for (int i = 6; i >= 0; i--) {
    int k = tmp_trk_hitpattern >> i;
    if (k & 1)
      hitpattern_binary[i] = 1;
  }

  // calculate number of missed interior layers from hitpattern
  int nbits = floor(log2(tmp_trk_hitpattern)) + 1;
  int lay_i = 0;
  int tmp_trk_nlaymiss_interior = 0;
  bool seq = false;
  for (int i = 0; i < nbits; i++) {
    lay_i = ((1 << i) & tmp_trk_hitpattern) >> i;  //0 or 1 in ith bit (right to left)

    if (lay_i && !seq)
      seq = true;  //sequence starts when first 1 found
    if (!lay_i && seq)
      tmp_trk_nlaymiss_interior++;
  }

  float eta = abs(aTrack.eta());
  int eta_size = static_cast<int>(eta_bins.size());
  // First iterate through eta bins

  for (int j = 1; j < eta_size; j++) {
    if (eta < eta_bins[j] && eta >= eta_bins[j - 1])  // if track in eta bin
    {
      // Iterate through hitpattern binary
      for (int k = 0; k <= 6; k++)
        // Fill expanded binary entries using the expected hitmap table positions
        hitpattern_expanded_binary[hitmap[j - 1][k]] = hitpattern_binary[k];
      break;
    }
  }

  int tmp_trk_ltot = 0;
  //calculate number of layer hits
  for (int i = 0; i < 6; ++i) {
    tmp_trk_ltot += hitpattern_expanded_binary[i];
  }

  int tmp_trk_dtot = 0;
  //calculate number of disk hits
  for (int i = 6; i < 11; ++i) {
    tmp_trk_dtot += hitpattern_expanded_binary[i];
  }

  // bin bendchi2 variable (bins from https://twiki.cern.ch/twiki/bin/viewauth/CMS/HybridDataFormat#Fitted_Tracks_written_by_KalmanF)
  float tmp_trk_bendchi2 = aTrack.stubPtConsistency();
  std::array<float, 8> bendchi2_bins{{0, 0.5, 1.25, 2, 3, 5, 10, 50}};
  int n_bendchi2 = static_cast<int>(bendchi2_bins.size());
  float tmp_trk_bendchi2_bin = -1;
  for (int i = 0; i < n_bendchi2; i++) {
    if (tmp_trk_bendchi2 >= bendchi2_bins[i] && tmp_trk_bendchi2 < bendchi2_bins[i + 1]) {
      tmp_trk_bendchi2_bin = i;
      break;
    }
  }
  if (tmp_trk_bendchi2_bin < 0)
    tmp_trk_bendchi2_bin = n_bendchi2;

  // bin chi2rphi variable (bins from https://twiki.cern.ch/twiki/bin/viewauth/CMS/HybridDataFormat#Fitted_Tracks_written_by_KalmanF)
  float tmp_trk_chi2rphi = aTrack.chi2XY();
  std::array<float, 16> chi2rphi_bins{{0, 0.25, 0.5, 1, 2, 3, 5, 7, 10, 20, 40, 100, 200, 500, 1000, 3000}};
  int n_chi2rphi = static_cast<int>(chi2rphi_bins.size());
  float tmp_trk_chi2rphi_bin = -1;
  for (int i = 0; i < n_chi2rphi; i++) {
    if (tmp_trk_chi2rphi >= chi2rphi_bins[i] && tmp_trk_chi2rphi < chi2rphi_bins[i + 1]) {
      tmp_trk_chi2rphi_bin = i;
      break;
    }
  }
  if (tmp_trk_chi2rphi_bin < 0)
    tmp_trk_chi2rphi_bin = n_chi2rphi;

  // bin chi2rz variable (bins from https://twiki.cern.ch/twiki/bin/viewauth/CMS/HybridDataFormat#Fitted_Tracks_written_by_KalmanF)
  float tmp_trk_chi2rz = aTrack.chi2Z();
  std::array<float, 16> chi2rz_bins{{0, 0.25, 0.5, 1, 2, 3, 5, 7, 10, 20, 40, 100, 200, 500, 1000, 3000}};
  int n_chi2rz = static_cast<int>(chi2rz_bins.size());
  float tmp_trk_chi2rz_bin = -1;
  for (int i = 0; i < n_chi2rz; i++) {
    if (tmp_trk_chi2rz >= chi2rz_bins[i] && tmp_trk_chi2rz < chi2rz_bins[i + 1]) {
      tmp_trk_chi2rz_bin = i;
      break;
    }
  }
  if (tmp_trk_chi2rz_bin < 0)
    tmp_trk_chi2rz_bin = n_chi2rz;

  // get the nstub
  std::vector<edm::Ref<edmNew::DetSetVector<TTStub<Ref_Phase2TrackerDigi_>>, TTStub<Ref_Phase2TrackerDigi_>>> stubRefs =
      aTrack.getStubRefs();

  // fill the feature map
  feature_map["nstub"] = stubRefs.size();
  feature_map["rinv"] = ONNXInvRScaling_ * abs(aTrack.rInv());
  feature_map["tanl"] = abs(aTrack.tanL());
  feature_map["z0"] = aTrack.z0();
  feature_map["phi"] = aTrack.phi();
  feature_map["pt"] = aTrack.momentum().perp();
  feature_map["eta"] = aTrack.eta();

  float tmp_trk_chi2 = aTrack.chi2();
  feature_map["chi2"] = tmp_trk_chi2;
  feature_map["log_chi2"] = log(tmp_trk_chi2);

  feature_map["chi2rphi"] = tmp_trk_chi2rphi;
  feature_map["log_chi2rphi"] = log(tmp_trk_chi2rphi);

  feature_map["chi2rz"] = tmp_trk_chi2rz;
  feature_map["log_chi2rz"] = log(tmp_trk_chi2rz);

  feature_map["chi2rz"] = tmp_trk_chi2rz;
  feature_map["log_chi2rz"] = log(tmp_trk_chi2rz);

  feature_map["bendchi2"] = tmp_trk_bendchi2;
  feature_map["log_bendchi2"] = log(tmp_trk_bendchi2);

  feature_map["lay1_hits"] = float(hitpattern_expanded_binary[0]);
  feature_map["lay2_hits"] = float(hitpattern_expanded_binary[1]);
  feature_map["lay3_hits"] = float(hitpattern_expanded_binary[2]);
  feature_map["lay4_hits"] = float(hitpattern_expanded_binary[3]);
  feature_map["lay5_hits"] = float(hitpattern_expanded_binary[4]);
  feature_map["lay6_hits"] = float(hitpattern_expanded_binary[5]);
  feature_map["disk1_hits"] = float(hitpattern_expanded_binary[6]);
  feature_map["disk2_hits"] = float(hitpattern_expanded_binary[7]);
  feature_map["disk3_hits"] = float(hitpattern_expanded_binary[8]);
  feature_map["disk4_hits"] = float(hitpattern_expanded_binary[9]);
  feature_map["disk5_hits"] = float(hitpattern_expanded_binary[10]);

  feature_map["dtot"] = float(tmp_trk_dtot);
  feature_map["ltot"] = float(tmp_trk_ltot);

  feature_map["nlaymiss_interior"] = float(tmp_trk_nlaymiss_interior);
  feature_map["bendchi2_bin"] = tmp_trk_bendchi2_bin;
  feature_map["chi2rphi_bin"] = tmp_trk_chi2rphi_bin;
  feature_map["chi2rz_bin"] = tmp_trk_chi2rz_bin;

  // fill tensor with track params
  transformedFeatures.reserve(featureNames.size());
  for (const std::string& feature : featureNames)
    transformedFeatures.push_back(feature_map[feature]);

  return transformedFeatures;
}

const Layer& TrackQuality::layer ( unsigned int  index ) const

inline

Return information about the given layer by index.

Definition at line 77 of file TrackQuality.h.

References layers_.

Referenced by evaluate(), geometryXMLparser.DTAlignable::index(), geometryXMLparser.CSCAlignable::index(), and TrackClassifier::qualityInformation().

{ return layers_[index]; }

void TrackQuality::newEvent	(	const edm::Event &	ev,
		const edm::EventSetup &	es
	)

Pre-process event information (for accessing reconstruction information)

Definition at line 138 of file TrackQuality.cc.

References associator_, ev, and trackerHitAssociatorConfig_.

Referenced by TrackClassifier::newEvent().

                                                                       {
  associator_ = std::make_unique<TrackerHitAssociator>(ev, trackerHitAssociatorConfig_);
}

unsigned int TrackQuality::numberOfLayers ( ) const

inline

Return the number of layers with simulated and/or reconstructed hits.

Definition at line 74 of file TrackQuality.h.

References layers_.

Referenced by TrackClassifier::qualityInformation().

{ return layers_.size(); }

void TrackQuality::setCutParameters	(	std::string const &	AlgorithmString,
		float	maxZ0,
		float	maxEta,
		float	chi2dofMax,
		float	bendchi2Max,
		float	minPt,
		int	nStubmin
	)

Definition at line 275 of file TrackQuality.cc.

References bendchi2Max_, chi2dofMax_, Cut, maxEta, maxEta_, maxZ0_, HLT_FULL_cff::minPt, minPt_, nStubsmin_, and qualityAlgorithm_.

Referenced by TrackQuality().

                                                  {
  qualityAlgorithm_ = QualityAlgorithm::Cut;
  maxZ0_ = maxZ0;
  maxEta_ = maxEta;
  chi2dofMax_ = chi2dofMax;
  bendchi2Max_ = bendchi2Max;
  minPt_ = minPt;
  nStubsmin_ = nStubmin;
}

void TrackQuality::setONNXModel	(	std::string const &	AlgorithmString,
		edm::FileInPath const &	ONNXmodel,
		std::string const &	ONNXInputName,
		std::vector< std::string > const &	featureNames
	)

Definition at line 291 of file TrackQuality.cc.

References featureNames_, GBDT, NN, None, ONNXInputName_, ONNXmodel_, and qualityAlgorithm_.

Referenced by TrackQuality().

                                                                          {
  //Convert algorithm string to Enum class for track by track comparison
  if (AlgorithmString == "NN") {
    qualityAlgorithm_ = QualityAlgorithm::NN;
  } else if (AlgorithmString == "GBDT") {
    qualityAlgorithm_ = QualityAlgorithm::GBDT;
  } else {
    qualityAlgorithm_ = QualityAlgorithm::None;
  }
  ONNXmodel_ = ONNXmodel;
  ONNXInputName_ = ONNXInputName;
  featureNames_ = featureNames;
}

void TrackQuality::setTrackQuality

(

TTTrack< Ref_Phase2TrackerDigi_ > &

aTrack

)

Definition at line 215 of file TrackQuality.cc.

References funct::abs(), bendchi2Max_, TTTrack< T >::chi2(), chi2dofMax_, Cut, PV3DBase< T, PVType, FrameType >::eta(), featureNames_, featureTransform(), edm::FileInPath::fullPath(), GBDT, cms::Ort::ONNXRuntime::getOutputNames(), TTTrack< T >::getStubRefs(), maxEta_, maxZ0_, minPt_, TTTrack< T >::momentum(), NN, nStubsmin_, ONNXInputName_, ONNXmodel_, PV3DBase< T, PVType, FrameType >::perp(), qualityAlgorithm_, TTTrack< T >::settrkMVA1(), TTTrack< T >::stubPtConsistency(), and TTTrack< T >::z0().

                                                                          {
  if (this->qualityAlgorithm_ == QualityAlgorithm::Cut) {
    // Get Track parameters
    float trk_pt = aTrack.momentum().perp();
    float trk_bend_chi2 = aTrack.stubPtConsistency();
    float trk_z0 = aTrack.z0();
    float trk_eta = aTrack.momentum().eta();
    float trk_chi2 = aTrack.chi2();
    const auto& stubRefs = aTrack.getStubRefs();
    int nStubs = stubRefs.size();

    float classification = 0.0;  // Default classification is 0

    if (trk_pt >= this->minPt_ && abs(trk_z0) < this->maxZ0_ && abs(trk_eta) < this->maxEta_ &&
        trk_chi2 < this->chi2dofMax_ && trk_bend_chi2 < this->bendchi2Max_ && nStubs >= this->nStubsmin_)
      classification = 1.0;
    // Classification updated to 1 if conditions are met

    aTrack.settrkMVA1(classification);
  }

  if ((this->qualityAlgorithm_ == QualityAlgorithm::NN) || (this->qualityAlgorithm_ == QualityAlgorithm::GBDT)) {
    // Setup ONNX input and output names and arrays
    std::vector<std::string> ortinput_names;
    std::vector<std::string> ortoutput_names;

    cms::Ort::FloatArrays ortinput;
    cms::Ort::FloatArrays ortoutputs;

    std::vector<float> Transformed_features = featureTransform(aTrack, this->featureNames_);
    cms::Ort::ONNXRuntime Runtime(this->ONNXmodel_.fullPath());  //Setup ONNX runtime

    ortinput_names.push_back(this->ONNXInputName_);
    ortoutput_names = Runtime.getOutputNames();

    //ONNX runtime recieves a vector of vectors of floats so push back the input
    // vector of float to create a 1,1,21 ortinput
    ortinput.push_back(Transformed_features);

    // batch_size 1 as only one set of transformed features is being processed
    int batch_size = 1;
    // Run classification
    ortoutputs = Runtime.run(ortinput_names, ortinput, {}, ortoutput_names, batch_size);

    if (this->qualityAlgorithm_ == QualityAlgorithm::NN) {
      aTrack.settrkMVA1(ortoutputs[0][0]);
    }

    else if (this->qualityAlgorithm_ == QualityAlgorithm::GBDT) {
      aTrack.settrkMVA1(ortoutputs[1][1]);
    }
    // Slight differences in the ONNX models of the GBDTs and NNs mean different
    // indices of the ortoutput need to be accessed
  }

  else {
    aTrack.settrkMVA1(-999);
  }
}

Member Data Documentation

std::unique_ptr<TrackerHitAssociator> TrackQuality::associator_

private

Definition at line 81 of file TrackQuality.h.

Referenced by evaluate(), and newEvent().

float TrackQuality::bendchi2Max_

private

Definition at line 72 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

float TrackQuality::chi2dofMax_

private

Definition at line 71 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

std::vector<std::string> TrackQuality::featureNames_

private

Definition at line 68 of file TrackQuality.h.

Referenced by setONNXModel(), and setTrackQuality().

std::vector<Layer> TrackQuality::layers_

private

Definition at line 83 of file TrackQuality.h.

Referenced by evaluate(), layer(), and numberOfLayers().

float TrackQuality::maxEta_

private

Definition at line 70 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

float TrackQuality::maxZ0_

private

Definition at line 69 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

float TrackQuality::minPt_

private

Definition at line 73 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

int TrackQuality::nStubsmin_

private

Definition at line 74 of file TrackQuality.h.

Referenced by setCutParameters(), and setTrackQuality().

std::string TrackQuality::ONNXInputName_

private

Definition at line 67 of file TrackQuality.h.

Referenced by setONNXModel(), and setTrackQuality().

float TrackQuality::ONNXInvRScaling_

private

Definition at line 75 of file TrackQuality.h.

Referenced by featureTransform(), and TrackQuality().

edm::FileInPath TrackQuality::ONNXmodel_

private

Definition at line 66 of file TrackQuality.h.

Referenced by setONNXModel(), and setTrackQuality().

QualityAlgorithm TrackQuality::qualityAlgorithm_ = QualityAlgorithm::None

private

Definition at line 65 of file TrackQuality.h.

Referenced by setCutParameters(), setONNXModel(), and setTrackQuality().

TrackerHitAssociator::Config TrackQuality::trackerHitAssociatorConfig_

private

Definition at line 80 of file TrackQuality.h.

Referenced by newEvent().