mkfit::TrackExtra Class Reference

#include <TrackExtra.h>

Public Member Functions
void	addAlgo (int algo)
int	cmsswTrackID () const
float	dPhi () const
int	duplicateID () const
void	findMatchingSeedHits (const Track &reco_trk, const Track &seed_trk, const std::vector< HitVec > &layerHits)
float	fracHitsMatched () const
float	helixChi2 () const
bool	isDuplicate () const
bool	isSeedHit (const int lyr, const int idx) const
int	mcTrackID () const
int	modifyRefTrackID (const int foundHits, const int minHits, const TrackVec &reftracks, const int trueID, const int duplicate, int refTrackID)
int	nHitsMatched () const
int	nMatchedSeedHits () const
const std::vector< int >	seedAlgos () const
int	seedID () const
void	setCMSSWTrackIDInfoByHits (const Track &trk, const LayIdxIDVecMapMap &cmsswHitIDMap, const TrackVec &cmsswtracks, const TrackExtraVec &cmsswextras, const RedTrackVec &redcmsswtracks, const int cmsswlabel)
void	setCMSSWTrackIDInfoByTrkParams (const Track &trk, const std::vector< HitVec > &layerHits, const TrackVec &cmsswtracks, const RedTrackVec &redcmsswtracks, const bool isBkFit)
void	setDuplicateInfo (int duplicateID, bool isDuplicate)
void	setmcTrackID (int mcTrackID)
void	setMCTrackIDInfo (const Track &trk, const std::vector< HitVec > &layerHits, const MCHitInfoVec &globalHitInfo, const TrackVec &simtracks, const bool isSeed, const bool isPure)
void	setseedID (int seedID)
	TrackExtra ()
	TrackExtra (int seedID)

Private Attributes
int	cmsswTrackID_
float	dPhi_
int	duplicateID_
float	fracHitsMatched_
float	helixChi2_
bool	isDuplicate_
HoTVec	matchedSeedHits_
int	mcTrackID_
int	nHitsMatched_
std::vector< int >	seedAlgos_
int	seedID_

Friends
class	Track

Detailed Description

Definition at line 51 of file TrackExtra.h.

Constructor & Destructor Documentation

TrackExtra() [1/2]

mkfit::TrackExtra::TrackExtra ( )

inline

Definition at line 53 of file TrackExtra.h.

: seedID_(std::numeric_limits<int>::max()) {}

TrackExtra() [2/2]

mkfit::TrackExtra::TrackExtra ( int  seedID )

inline

Definition at line 54 of file TrackExtra.h.

: seedID_(seedID) {}

Member Function Documentation

addAlgo()

void mkfit::TrackExtra::addAlgo ( int  algo )

inline

Definition at line 99 of file TrackExtra.h.

References seedAlgos_.

{ seedAlgos_.push_back(algo); }

cmsswTrackID()

int mkfit::TrackExtra::cmsswTrackID ( ) const

inline

Definition at line 89 of file TrackExtra.h.

References cmsswTrackID_.

Referenced by setCMSSWTrackIDInfoByHits(), and setCMSSWTrackIDInfoByTrkParams().

{ return cmsswTrackID_; }

dPhi()

float mkfit::TrackExtra::dPhi ( ) const

inline

Definition at line 91 of file TrackExtra.h.

References dPhi_.

{ return dPhi_; }

duplicateID()

int mkfit::TrackExtra::duplicateID ( ) const

inline

Definition at line 84 of file TrackExtra.h.

References duplicateID_.

Referenced by setDuplicateInfo().

{ return duplicateID_; }

findMatchingSeedHits()

void mkfit::TrackExtra::findMatchingSeedHits	(	const Track &	reco_trk,
		const Track &	seed_trk,
		const std::vector< HitVec > &	layerHits
	)

Definition at line 13 of file TrackExtra.cc.

References mkfit::Track::getHitIdx(), mkfit::Track::getHitLyr(), matchedSeedHits_, mkfit::Track::nTotalHits(), and findQualityFiles::size.

Referenced by mkfit::StdSeq::Quality::quality_process().

                                                                            {
    // outer loop over reco hits
    for (int reco_ihit = 0; reco_ihit < reco_trk.nTotalHits(); ++reco_ihit) {
      const int reco_lyr = reco_trk.getHitLyr(reco_ihit);
      const int reco_idx = reco_trk.getHitIdx(reco_ihit);

      // ensure layer exists
      if (reco_lyr < 0)
        continue;

      // make sure it is a real hit
      if ((reco_idx < 0) || (static_cast<size_t>(reco_idx) >= layerHits[reco_lyr].size()))
        continue;

      // inner loop over seed hits
      for (int seed_ihit = 0; seed_ihit < seed_trk.nTotalHits(); ++seed_ihit) {
        const int seed_lyr = seed_trk.getHitLyr(seed_ihit);
        const int seed_idx = seed_trk.getHitIdx(seed_ihit);

        // ensure layer exists
        if (seed_lyr < 0)
          continue;

        // check that lyrs are the same
        if (reco_lyr != seed_lyr)
          continue;

        // make sure it is a real hit
        if ((seed_idx < 0) || (static_cast<size_t>(seed_idx) >= layerHits[seed_lyr].size()))
          continue;

        // finally, emplace if idx is the same
        if (reco_idx == seed_idx)
          matchedSeedHits_.emplace_back(seed_idx, seed_lyr);
      }
    }
  }

fracHitsMatched()

float mkfit::TrackExtra::fracHitsMatched ( ) const

inline

Definition at line 81 of file TrackExtra.h.

References fracHitsMatched_.

{ return fracHitsMatched_; }

helixChi2()

float mkfit::TrackExtra::helixChi2 ( ) const

inline

Definition at line 90 of file TrackExtra.h.

References helixChi2_.

{ return helixChi2_; }

isDuplicate()

bool mkfit::TrackExtra::isDuplicate ( ) const

inline

Definition at line 83 of file TrackExtra.h.

References isDuplicate_.

Referenced by setDuplicateInfo().

{ return isDuplicate_; }

isSeedHit()

bool mkfit::TrackExtra::isSeedHit	(	const int	lyr,
		const int	idx
	)		const

Definition at line 53 of file TrackExtra.cc.

References heavyIonCSV_trainingSettings::idx, and matchedSeedHits_.

Referenced by setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

                                                               {
    return (std::find_if(matchedSeedHits_.begin(), matchedSeedHits_.end(), [=](const auto& matchedSeedHit) {
              return ((matchedSeedHit.layer == lyr) && (matchedSeedHit.index == idx));
            }) != matchedSeedHits_.end());
  }

mcTrackID()

int mkfit::TrackExtra::mcTrackID ( ) const

inline

Definition at line 79 of file TrackExtra.h.

References mcTrackID_.

Referenced by mkfit::StdSeq::Quality::quality_process(), setmcTrackID(), and setMCTrackIDInfo().

{ return mcTrackID_; }

modifyRefTrackID()

int mkfit::TrackExtra::modifyRefTrackID	(	const int	foundHits,
		const int	minHits,
		const TrackVec &	reftracks,
		const int	trueID,
		const int	duplicate,
		int	refTrackID
	)

Definition at line 59 of file TrackExtra.cc.

References reco_skim_cfg_mod::minHits.

Referenced by setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

                                                   {
    // Modify refTrackID based on nMinHits and findability
    if (duplicate) {
      refTrackID = -10;
    } else {
      if (refTrackID >= 0) {
        if (reftracks[refTrackID].isFindable()) {
          if (foundHits < minHits)
            refTrackID = -2;
          //else                     refTrackID = refTrackID;
        } else  // ref track is not findable
        {
          if (foundHits < minHits)
            refTrackID = -3;
          else
            refTrackID = -4;
        }
      } else if (refTrackID == -1) {
        if (trueID >= 0) {
          if (reftracks[trueID].isFindable()) {
            if (foundHits < minHits)
              refTrackID = -5;
            //else                     refTrackID = refTrackID;
          } else  // sim track is not findable
          {
            if (foundHits < minHits)
              refTrackID = -6;
            else
              refTrackID = -7;
          }
        } else {
          if (foundHits < minHits)
            refTrackID = -8;
          else
            refTrackID = -9;
        }
      }
    }
    return refTrackID;
  }

nHitsMatched()

int mkfit::TrackExtra::nHitsMatched ( ) const

inline

Definition at line 80 of file TrackExtra.h.

References nHitsMatched_.

Referenced by setCMSSWTrackIDInfoByHits(), and setCMSSWTrackIDInfoByTrkParams().

{ return nHitsMatched_; }

nMatchedSeedHits()

int mkfit::TrackExtra::nMatchedSeedHits ( ) const

inline

Definition at line 94 of file TrackExtra.h.

References matchedSeedHits_.

Referenced by setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

{ return matchedSeedHits_.size(); }

seedAlgos()

const std::vector<int> mkfit::TrackExtra::seedAlgos ( ) const

inline

Definition at line 100 of file TrackExtra.h.

References seedAlgos_.

{ return seedAlgos_; }

seedID()

int mkfit::TrackExtra::seedID ( ) const

inline

Definition at line 82 of file TrackExtra.h.

References seedID_.

Referenced by setseedID().

{ return seedID_; }

setCMSSWTrackIDInfoByHits()

void mkfit::TrackExtra::setCMSSWTrackIDInfoByHits	(	const Track &	trk,
		const LayIdxIDVecMapMap &	cmsswHitIDMap,
		const TrackVec &	cmsswtracks,
		const TrackExtraVec &	cmsswextras,
		const RedTrackVec &	redcmsswtracks,
		const int	cmsswlabel
	)

Definition at line 366 of file TrackExtra.cc.

References funct::abs(), cmsswTrackID(), cmsswTrackID_, mkfit::computeHelixChi2(), dPhi_, mkfit::TrackBase::errors(), f, dqmMemoryStats::float, fracHitsMatched_, mkfit::TrackBase::getDuplicateValue(), mkfit::Track::getHitIdx(), mkfit::Track::getHitLyr(), helixChi2_, heavyIonCSV_trainingSettings::idx, isSeedHit(), label, HLT_2023v12_cff::label1, HLT_2023v12_cff::label2, modifyRefTrackID(), mkfit::TrackBase::momPhi(), mkfit::Track::nFoundHits(), nHitsMatched(), nHitsMatched_, nMatchedSeedHits(), mkfit::Config::nMinFoundHits, mkfit::Track::nTotalHits(), mkfit::TrackBase::parameters(), jetUpdater_cfi::sort, mkfit::squashPhiGeneral(), mkfit::TrackBase::x(), and mkfit::TrackBase::y().

                                                                   {
    // reminder: cmsswlabel >= 0 indicates we are using pure seeds and matching by cmsswlabel

    // map of cmssw labels, and hits matched to that label
    std::unordered_map<int, int> labelMatchMap;

    // loop over mkfit track hits
    for (int ihit = 0; ihit < trk.nTotalHits(); ihit++) {
      const int lyr = trk.getHitLyr(ihit);
      const int idx = trk.getHitIdx(ihit);

      if (lyr < 0 || idx < 0)
        continue;  // standard check
      if (isSeedHit(lyr, idx))
        continue;  // skip seed layers
      if (!cmsswHitIDMap.count(lyr))
        continue;  // make sure at least one cmssw track has this hit lyr!
      if (!cmsswHitIDMap.at(lyr).count(idx))
        continue;  // make sure at least one cmssw track has this hit id!
      {
        for (const auto label : cmsswHitIDMap.at(lyr).at(idx)) {
          labelMatchMap[label]++;
        }
      }
    }

    // make list of cmssw tracks that pass criteria --> could have multiple overlapping tracks!
    std::vector<int> labelMatchVec;
    for (const auto labelMatchPair : labelMatchMap) {
      const auto cmsswlabel = labelMatchPair.first;
      const auto nMatchedHits = labelMatchPair.second;

      // 50% matching criterion
      if ((2 * nMatchedHits) >= (cmsswtracks[cmsswlabel].nUniqueLayers() - cmsswextras[cmsswlabel].nMatchedSeedHits()))
        labelMatchVec.push_back(cmsswlabel);
    }

    // initialize tmpID for later use
    int cmsswTrackID = -1;

    // protect against no matches!
    if (!labelMatchVec.empty()) {
      // sort by best matched: most hits matched , then ratio of matches (i.e. which cmssw track is shorter)
      std::sort(labelMatchVec.begin(), labelMatchVec.end(), [&](const int label1, const int label2) {
        if (labelMatchMap[label1] == labelMatchMap[label2]) {
          const auto& track1 = cmsswtracks[label1];
          const auto& track2 = cmsswtracks[label2];

          const auto& extra1 = cmsswextras[label1];
          const auto& extra2 = cmsswextras[label2];

          return ((track1.nUniqueLayers() - extra1.nMatchedSeedHits()) <
                  (track2.nUniqueLayers() - extra2.nMatchedSeedHits()));
        }
        return labelMatchMap[label1] > labelMatchMap[label2];
      });

      // pick the longest track!
      cmsswTrackID = labelMatchVec.front();

      // set cmsswTrackID_ (if cmsswlabel >= 0, we are matching by label and label exists!)
      if (cmsswlabel >= 0) {
        if (cmsswTrackID == cmsswlabel) {
          cmsswTrackID_ = cmsswTrackID;
        } else {
          cmsswTrackID = cmsswlabel;  // use this for later
          cmsswTrackID_ = -1;
        }
      } else  // not matching by pure id
      {
        cmsswTrackID_ = cmsswTrackID;  // the longest track is matched
      }

      // set nHits matched to cmssw track
      nHitsMatched_ = labelMatchMap[cmsswTrackID];
    } else  // did not match a single cmssw track with 50% hits shared
    {
      // by default sets to -1
      cmsswTrackID_ = cmsswTrackID;

      // tmp variable
      int nHitsMatched = 0;

      // use truth info
      if (cmsswlabel >= 0) {
        cmsswTrackID = cmsswlabel;
        nHitsMatched = labelMatchMap[cmsswTrackID];
      } else {
        // just get the cmssw track with the most matches!
        for (const auto labelMatchPair : labelMatchMap) {
          if (labelMatchPair.second > nHitsMatched) {
            cmsswTrackID = labelMatchPair.first;
            nHitsMatched = labelMatchPair.second;
          }
        }
      }

      nHitsMatched_ = nHitsMatched;
    }

    // set chi2, dphi based on tmp cmsswTrackID
    if (cmsswTrackID >= 0) {
      // get tmps for chi2, dphi
      const SVector6& trkParams = trk.parameters();
      const SMatrixSym66& trkErrs = trk.errors();

      // temps needed for chi2
      SVector2 trkParamsR;
      trkParamsR[0] = trkParams[3];
      trkParamsR[1] = trkParams[5];

      SMatrixSym22 trkErrsR;
      trkErrsR[0][0] = trkErrs[3][3];
      trkErrsR[1][1] = trkErrs[5][5];
      trkErrsR[0][1] = trkErrs[3][5];
      trkErrsR[1][0] = trkErrs[5][3];

      // set chi2 and dphi
      helixChi2_ = std::abs(computeHelixChi2(redcmsswtracks[cmsswTrackID].parameters(), trkParamsR, trkErrsR, false));
      dPhi_ = squashPhiGeneral(cmsswtracks[cmsswTrackID].swimPhiToR(trk.x(), trk.y()) - trk.momPhi());
    } else {
      helixChi2_ = -99.f;
      dPhi_ = -99.f;
    }

    // get nSeedHits
    const int nSeedHits = nMatchedSeedHits();

    // Modify cmsswTrackID based on length and findability
    cmsswTrackID_ = modifyRefTrackID(trk.nFoundHits() - nSeedHits,
                                     Config::nMinFoundHits - nSeedHits,
                                     cmsswtracks,
                                     cmsswlabel,
                                     trk.getDuplicateValue(),
                                     cmsswTrackID_);

    // other important info
    fracHitsMatched_ = (cmsswTrackID >= 0 ? (float(nHitsMatched_) / float(cmsswtracks[cmsswTrackID].nUniqueLayers() -
                                                                          cmsswextras[cmsswTrackID].nMatchedSeedHits()))
                                          : 0.f);
  }

setCMSSWTrackIDInfoByTrkParams()

void mkfit::TrackExtra::setCMSSWTrackIDInfoByTrkParams	(	const Track &	trk,
		const std::vector< HitVec > &	layerHits,
		const TrackVec &	cmsswtracks,
		const RedTrackVec &	redcmsswtracks,
		const bool	isBkFit
	)

Definition at line 252 of file TrackExtra.cc.

References funct::abs(), newFWLiteAna::bin, HLT_2023v12_cff::cands, hltPixelTracks_cff::chi2, cmsswTrackID(), cmsswTrackID_, mkfit::computeHelixChi2(), dPhi_, mkfit::TrackBase::errors(), dqmMemoryStats::float, fracHitsMatched_, mkfit::TrackBase::getDuplicateValue(), mkfit::Track::getHitIdx(), mkfit::Track::getHitLyr(), mkfit::getMatchBin(), helixChi2_, heavyIonCSV_trainingSettings::idx, isSeedHit(), label, muonTagProbeFilters_cff::matched, mkfit::Config::minCMSSWMatchChi2, mkfit::Config::minCMSSWMatchdPhi, modifyRefTrackID(), mkfit::TrackBase::momPhi(), mkfit::Track::nFoundHits(), nHitsMatched(), nHitsMatched_, nMatchedSeedHits(), mkfit::Config::nMinFoundHits, mkfit::Track::nTotalHits(), mkfit::TrackBase::parameters(), mkfit::TrackBase::pT(), jetUpdater_cfi::sort, mkfit::sortIDsByChi2(), mkfit::squashPhiGeneral(), mkfit::TrackBase::x(), and mkfit::TrackBase::y().

                                                                      {
    // get temporary reco track params
    const SVector6& trkParams = trk.parameters();
    const SMatrixSym66& trkErrs = trk.errors();

    // get bin used for cuts in dphi, chi2 based on pt
    const int bin = getMatchBin(trk.pT());

    // temps needed for chi2
    SVector2 trkParamsR;
    trkParamsR[0] = trkParams[3];
    trkParamsR[1] = trkParams[5];

    SMatrixSym22 trkErrsR;
    trkErrsR[0][0] = trkErrs[3][3];
    trkErrsR[1][1] = trkErrs[5][5];
    trkErrsR[0][1] = trkErrs[3][5];
    trkErrsR[1][0] = trkErrs[5][3];

    // cands is vector of possible cmssw tracks we could match
    idchi2PairVec cands;

    // first check for cmmsw tracks we match by chi2
    for (const auto& redcmsswtrack : redcmsswtracks) {
      const float chi2 = std::abs(computeHelixChi2(redcmsswtrack.parameters(), trkParamsR, trkErrsR, false));
      if (chi2 < Config::minCMSSWMatchChi2[bin])
        cands.push_back(std::make_pair(redcmsswtrack.label(), chi2));
    }

    // get min chi2
    float minchi2 = -1e6;
    if (!cands.empty()) {
      std::sort(cands.begin(), cands.end(), sortIDsByChi2);  // in case we just want to stop at the first dPhi match
      minchi2 = cands.front().second;
    }

    // set up defaults
    int cmsswTrackID = -1;
    int nHitsMatched = 0;
    float bestdPhi = Config::minCMSSWMatchdPhi[bin];
    float bestchi2 = minchi2;

    // loop over possible cmssw tracks
    for (auto&& cand : cands) {
      // get cmssw track
      const auto label = cand.first;
      const auto& cmsswtrack = cmsswtracks[label];

      // get diff in track mom. phi: swim phi of cmssw track to reco track R if forward built tracks
      const float diffPhi =
          squashPhiGeneral((isBkFit ? cmsswtrack.momPhi() : cmsswtrack.swimPhiToR(trk.x(), trk.y())) - trk.momPhi());

      // check for best matched track by phi
      if (std::abs(diffPhi) < std::abs(bestdPhi)) {
        const HitLayerMap& hitLayerMap = redcmsswtracks[label].hitLayerMap();
        int matched = 0;

        // loop over hits on reco track
        for (int ihit = 0; ihit < trk.nTotalHits(); ihit++) {
          const int lyr = trk.getHitLyr(ihit);
          const int idx = trk.getHitIdx(ihit);

          // skip seed layers
          if (isSeedHit(lyr, idx))
            continue;

          // skip if bad index or cmssw track does not have that layer
          if (idx < 0 || !hitLayerMap.count(lyr))
            continue;

          // loop over hits in layer for the cmssw track
          for (auto cidx : hitLayerMap.at(lyr)) {
            // since we can only pick up on hit on a layer, break loop after finding hit
            if (cidx == idx) {
              matched++;
              break;
            }
          }
        }  // end loop over hits on reco track

        // now save the matched info
        bestdPhi = diffPhi;
        nHitsMatched = matched;
        cmsswTrackID = label;
        bestchi2 = cand.second;
      }  // end check over dPhi
    }    // end loop over cands

    // set cmsswTrackID
    cmsswTrackID_ = cmsswTrackID;  // defaults to -1!
    helixChi2_ = bestchi2;
    dPhi_ = bestdPhi;

    // get seed hits
    const int nSeedHits = nMatchedSeedHits();

    // Modify cmsswTrackID based on length and findability
    cmsswTrackID_ = modifyRefTrackID(trk.nFoundHits() - nSeedHits,
                                     Config::nMinFoundHits - nSeedHits,
                                     cmsswtracks,
                                     -1,
                                     trk.getDuplicateValue(),
                                     cmsswTrackID_);

    // other important info
    nHitsMatched_ = nHitsMatched;
    fracHitsMatched_ =
        float(nHitsMatched_) / float(trk.nFoundHits() - nSeedHits);  // seed hits may already be included!
  }

setDuplicateInfo()

void mkfit::TrackExtra::setDuplicateInfo ( int  duplicateID, bool  isDuplicate  )

inline

Definition at line 85 of file TrackExtra.h.

References duplicateID(), duplicateID_, isDuplicate(), and isDuplicate_.

                                                             {
      duplicateID_ = duplicateID;
      isDuplicate_ = isDuplicate;
    }

setmcTrackID()

void mkfit::TrackExtra::setmcTrackID ( int  mcTrackID )

inline

Definition at line 96 of file TrackExtra.h.

References mcTrackID(), and mcTrackID_.

{ mcTrackID_ = mcTrackID; }

setMCTrackIDInfo()

void mkfit::TrackExtra::setMCTrackIDInfo	(	const Track &	trk,
		const std::vector< HitVec > &	layerHits,
		const MCHitInfoVec &	globalHitInfo,
		const TrackVec &	simtracks,
		const bool	isSeed,
		const bool	isPure
	)

Definition at line 106 of file TrackExtra.cc.

References dPhi_, dprint, dprintf, f, dqmMemoryStats::float, fracHitsMatched_, mkfit::TrackBase::getDuplicateValue(), mkfit::Track::getHitIdx(), mkfit::Track::getHitLyr(), mps_fire::i, l1ctLayer2EG_cff::id, heavyIonCSV_trainingSettings::idx, isSeedHit(), dqmiolumiharvest::j, mkfit::TrackBase::label(), mcTrackID(), mcTrackID_, modifyRefTrackID(), mkfit::TrackBase::momPhi(), mkfit::Config::mtvLikeValidation, dqmiodumpmetadata::n, mkfit::Track::nFoundHits(), nHitsMatched_, nMatchedSeedHits(), mkfit::Config::nMinFoundHits, mkfit::Track::nTotalHits(), seedID_, findQualityFiles::size, jetUpdater_cfi::sort, mkfit::squashPhiGeneral(), mkfit::TrackBase::x(), and mkfit::TrackBase::y().

Referenced by mkfit::StdSeq::Quality::quality_process().

                                                       {
    dprintf("TrackExtra::setMCTrackIDInfo for track with label %d, total hits %d, found hits %d\n",
            trk.label(),
            trk.nTotalHits(),
            trk.nFoundHits());

    std::vector<int> mcTrackIDs;         // vector of found mcTrackIDs on reco track
    int nSeedHits = nMatchedSeedHits();  // count seed hits

    // loop over all hits stored in reco track, storing valid mcTrackIDs
    for (int ihit = 0; ihit < trk.nTotalHits(); ++ihit) {
      const int lyr = trk.getHitLyr(ihit);
      const int idx = trk.getHitIdx(ihit);

      // ensure layer exists
      if (lyr < 0)
        continue;

      // skip seed layers (unless, of course, we are validating the seed tracks themselves)
      if (!Config::mtvLikeValidation && !isSeed && isSeedHit(lyr, idx))
        continue;

      // make sure it is a real hit
      if ((idx >= 0) && (static_cast<size_t>(idx) < layerHits[lyr].size())) {
        // get mchitid and then get mcTrackID
        const int mchitid = layerHits[lyr][idx].mcHitID();
        mcTrackIDs.push_back(globalHitInfo[mchitid].mcTrackID());

        dprintf("  ihit=%3d   trk.hit_idx=%4d  trk.hit_lyr=%2d   mchitid=%4d  mctrkid=%3d\n",
                ihit,
                idx,
                lyr,
                mchitid,
                globalHitInfo[mchitid].mcTrackID());
      } else {
        dprintf("  ihit=%3d   trk.hit_idx=%4d  trk.hit_lyr=%2d\n", ihit, idx, lyr);
      }
    }

    int mccount = 0;          // count up the mcTrackID with the largest count
    int mcTrackID = -1;       // initialize mcTrackID
    if (!mcTrackIDs.empty())  // protection against tracks which do not make it past the seed
    {
      // sorted list ensures that mcTrackIDs are counted properly
      std::sort(mcTrackIDs.begin(), mcTrackIDs.end());

      // don't count bad mcTrackIDs (id < 0)
      mcTrackIDs.erase(std::remove_if(mcTrackIDs.begin(), mcTrackIDs.end(), [](const int id) { return id < 0; }),
                       mcTrackIDs.end());

      int n_ids = mcTrackIDs.size();
      int i = 0;
      while (i < n_ids) {
        int j = i + 1;
        while (j < n_ids && mcTrackIDs[j] == mcTrackIDs[i])
          ++j;

        int n = j - i;
        if (mcTrackIDs[i] >= 0 && n > mccount) {
          mcTrackID = mcTrackIDs[i];
          mccount = n;
        }
        i = j;
      }

      // total found hits in hit index array, excluding seed if necessary
      const int nCandHits = ((Config::mtvLikeValidation || isSeed) ? trk.nFoundHits() : trk.nFoundHits() - nSeedHits);

      // 75% or 50% matching criterion
      if ((Config::mtvLikeValidation ? (4 * mccount > 3 * nCandHits) : (2 * mccount >= nCandHits))) {
        // require that most matched is the mcTrackID!
        if (isPure) {
          if (mcTrackID == seedID_)
            mcTrackID_ = mcTrackID;
          else
            mcTrackID_ = -1;  // somehow, this guy followed another simtrack!
        } else {
          mcTrackID_ = mcTrackID;
        }
      } else  // failed 50% matching criteria
      {
        mcTrackID_ = -1;
      }

      // recount matched hits for pure sim tracks if reco track is unmatched
      if (isPure && mcTrackID == -1) {
        mccount = 0;
        for (auto id : mcTrackIDs) {
          if (id == seedID_)
            mccount++;
        }
      }

      // store matched hit info
      nHitsMatched_ = mccount;
      fracHitsMatched_ = float(nHitsMatched_) / float(nCandHits);

      // compute dPhi
      dPhi_ =
          (mcTrackID >= 0 ? squashPhiGeneral(simtracks[mcTrackID].swimPhiToR(trk.x(), trk.y()) - trk.momPhi()) : -99.f);
    } else {
      mcTrackID_ = mcTrackID;  // defaults from -1!
      nHitsMatched_ = -99;
      fracHitsMatched_ = -99.f;
      dPhi_ = -99.f;
    }

    // Modify mcTrackID based on length of track (excluding seed tracks, of course) and findability
    if (!isSeed) {
      mcTrackID_ = modifyRefTrackID(trk.nFoundHits() - nSeedHits,
                                    Config::nMinFoundHits - nSeedHits,
                                    simtracks,
                                    (isPure ? seedID_ : -1),
                                    trk.getDuplicateValue(),
                                    mcTrackID_);
    }

    dprint("Track " << trk.label() << " best mc track " << mcTrackID_ << " count " << mccount << "/"
                    << trk.nFoundHits());
  }

setseedID()

void mkfit::TrackExtra::setseedID ( int  seedID )

inline

Definition at line 97 of file TrackExtra.h.

References seedID(), and seedID_.

{ seedID_ = seedID; }

Friends And Related Function Documentation

Track

friend class Track

friend

Definition at line 103 of file TrackExtra.h.

Member Data Documentation

cmsswTrackID_

int mkfit::TrackExtra::cmsswTrackID_

private

Definition at line 111 of file TrackExtra.h.

Referenced by cmsswTrackID(), setCMSSWTrackIDInfoByHits(), and setCMSSWTrackIDInfoByTrkParams().

dPhi_

float mkfit::TrackExtra::dPhi_

private

Definition at line 113 of file TrackExtra.h.

Referenced by dPhi(), setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

duplicateID_

int mkfit::TrackExtra::duplicateID_

private

Definition at line 109 of file TrackExtra.h.

Referenced by duplicateID(), and setDuplicateInfo().

fracHitsMatched_

float mkfit::TrackExtra::fracHitsMatched_

private

Definition at line 107 of file TrackExtra.h.

Referenced by fracHitsMatched(), setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

helixChi2_

float mkfit::TrackExtra::helixChi2_

private

Definition at line 112 of file TrackExtra.h.

Referenced by helixChi2(), setCMSSWTrackIDInfoByHits(), and setCMSSWTrackIDInfoByTrkParams().

isDuplicate_

bool mkfit::TrackExtra::isDuplicate_

private

Definition at line 110 of file TrackExtra.h.

Referenced by isDuplicate(), and setDuplicateInfo().

matchedSeedHits_

HoTVec mkfit::TrackExtra::matchedSeedHits_

private

Definition at line 114 of file TrackExtra.h.

Referenced by findMatchingSeedHits(), isSeedHit(), and nMatchedSeedHits().

mcTrackID_

int mkfit::TrackExtra::mcTrackID_

private

Definition at line 105 of file TrackExtra.h.

Referenced by mcTrackID(), setmcTrackID(), and setMCTrackIDInfo().

nHitsMatched_

int mkfit::TrackExtra::nHitsMatched_

private

Definition at line 106 of file TrackExtra.h.

Referenced by nHitsMatched(), setCMSSWTrackIDInfoByHits(), setCMSSWTrackIDInfoByTrkParams(), and setMCTrackIDInfo().

seedAlgos_

std::vector<int> mkfit::TrackExtra::seedAlgos_

private

Definition at line 115 of file TrackExtra.h.

Referenced by addAlgo(), and seedAlgos().

seedID_

int mkfit::TrackExtra::seedID_

private

Definition at line 108 of file TrackExtra.h.

Referenced by seedID(), setMCTrackIDInfo(), and setseedID().