#include <TrackerValidationVariables.h>

Classes
struct	AVHitStruct

struct	AVTrackStruct

Public Member Functions
void	fillHitQuantities (const Trajectory *trajectory, std::vector< AVHitStruct > &v_avhitout)

void	fillHitQuantities (reco::Track const &track, std::vector< AVHitStruct > &v_avhitout)

void	fillTrackQuantities (const edm::Event &, const edm::EventSetup &, std::vector< AVTrackStruct > &v_avtrackout)

void	fillTrackQuantities (const edm::Event &event, const edm::EventSetup &eventSetup, std::function< bool(const reco::Track &)> trackFilter, std::vector< AVTrackStruct > &v_avtrackout)

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

	~TrackerValidationVariables ()

Private Attributes
edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	magneticFieldToken_

edm::EDGetTokenT< std::vector < reco::Track > >	tracksToken_

edm::EDGetTokenT< std::vector < Trajectory > >	trajCollectionToken_

Detailed Description

Definition at line 22 of file TrackerValidationVariables.h.

Constructor & Destructor Documentation

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

Definition at line 44 of file TrackerValidationVariables.cc.

References edm::ParameterSet::getParameter(), HLT_FULL_cff::InputTag, dumpMFGeometry_cfg::MagneticField, AlCaHLTBitMon_QueryRunRegistry::string, tracksToken_, and trajCollectionToken_.

     : magneticFieldToken_{iC.esConsumes<MagneticField, IdealMagneticFieldRecord>()} {
   trajCollectionToken_ =
       iC.consumes<std::vector<Trajectory>>(edm::InputTag(config.getParameter<std::string>("trajectoryInput")));
   tracksToken_ = iC.consumes<reco::TrackCollection>(config.getParameter<edm::InputTag>("Tracks"));
 }

TrackerValidationVariables::~TrackerValidationVariables ( )

Definition at line 51 of file TrackerValidationVariables.cc.

51 {}

Member Function Documentation

void TrackerValidationVariables::fillHitQuantities	(	const Trajectory *	trajectory,
		std::vector< AVHitStruct > &	v_avhitout
	)

Definition at line 182 of file TrackerValidationVariables.cc.

Referenced by fillTrackQuantities().

                                                                                                                    {
   TrajectoryStateCombiner tsoscomb;
 
   const std::vector<TrajectoryMeasurement>& tmColl = trajectory->measurements();
   for (std::vector<TrajectoryMeasurement>::const_iterator itTraj = tmColl.begin(); itTraj != tmColl.end(); ++itTraj) {
     if (!itTraj->updatedState().isValid())
       continue;
 
     TrajectoryStateOnSurface tsos = tsoscomb(itTraj->forwardPredictedState(), itTraj->backwardPredictedState());
     if (!tsos.isValid())
       continue;
     TransientTrackingRecHit::ConstRecHitPointer hit = itTraj->recHit();
 
     if (!hit->isValid() || hit->geographicalId().det() != DetId::Tracker)
       continue;
 
     AVHitStruct hitStruct;
     const DetId& hit_detId = hit->geographicalId();
     unsigned int IntRawDetID = (hit_detId.rawId());
     unsigned int IntSubDetID = (hit_detId.subdetId());
 
     if (IntSubDetID == 0)
       continue;
 
     if (IntSubDetID == PixelSubdetector::PixelBarrel || IntSubDetID == PixelSubdetector::PixelEndcap) {
       const SiPixelRecHit* prechit = dynamic_cast<const SiPixelRecHit*>(
           hit.get());  //to be used to get the associated cluster and the cluster probability
       if (prechit->isOnEdge())
         hitStruct.isOnEdgePixel = true;
       if (prechit->hasBadPixels())
         hitStruct.isOtherBadPixel = true;
     }
 
     //first calculate residuals in cartesian coordinates in the local module coordinate system
 
     LocalPoint lPHit = hit->localPosition();
     LocalPoint lPTrk = tsos.localPosition();
     LocalVector lVTrk = tsos.localDirection();
 
     hitStruct.localAlpha = atan2(lVTrk.x(), lVTrk.z());  // wrt. normal tg(alpha)=x/z
     hitStruct.localBeta = atan2(lVTrk.y(), lVTrk.z());   // wrt. normal tg(beta)= y/z
 
     LocalError errHit = hit->localPositionError();
     // no need to add  APE to hitError anymore
     // AlgebraicROOTObject<2>::SymMatrix mat = asSMatrix<2>(hit->parametersError());
     // LocalError errHit = LocalError( mat(0,0),mat(0,1),mat(1,1) );
     LocalError errTrk = tsos.localError().positionError();
 
     //check for negative error values: track error can have negative value, if matrix inversion fails (very rare case)
     //hit error should always give positive values
     if (errHit.xx() < 0. || errHit.yy() < 0. || errTrk.xx() < 0. || errTrk.yy() < 0.) {
       edm::LogError("TrackerValidationVariables")
           << "@SUB=TrackerValidationVariables::fillHitQuantities"
           << "One of the squared error methods gives negative result"
           << "\n\terrHit.xx()\terrHit.yy()\terrTrk.xx()\terrTrk.yy()"
           << "\n\t" << errHit.xx() << "\t" << errHit.yy() << "\t" << errTrk.xx() << "\t" << errTrk.yy();
       continue;
     }
 
     align::LocalVector res = lPTrk - lPHit;
 
     float resXErr = std::sqrt(errHit.xx() + errTrk.xx());
     float resYErr = std::sqrt(errHit.yy() + errTrk.yy());
 
     hitStruct.resX = res.x();
     hitStruct.resY = res.y();
     hitStruct.resErrX = resXErr;
     hitStruct.resErrY = resYErr;
 
     // hitStruct.localX = lPhit.x();
     // hitStruct.localY = lPhit.y();
     // EM: use predictions for local coordinates
     hitStruct.localX = lPTrk.x();
     hitStruct.localY = lPTrk.y();
 
     // now calculate residuals taking global orientation of modules and radial topology in TID/TEC into account
     float resXprime(999.F), resYprime(999.F);
     float resXatTrkY(999.F);
     float resXprimeErr(999.F), resYprimeErr(999.F);
 
     if (hit->detUnit()) {  // is it a single physical module?
       const GeomDetUnit& detUnit = *(hit->detUnit());
       float uOrientation(-999.F), vOrientation(-999.F);
       float resXTopol(999.F), resYTopol(999.F);
       float resXatTrkYTopol(999.F);
 
       const Surface& surface = hit->detUnit()->surface();
       const BoundPlane& boundplane = hit->detUnit()->surface();
       const Bounds& bound = boundplane.bounds();
 
       float length = 0;
       float width = 0;
 
       LocalPoint lPModule(0., 0., 0.), lUDirection(1., 0., 0.), lVDirection(0., 1., 0.);
       GlobalPoint gPModule = surface.toGlobal(lPModule), gUDirection = surface.toGlobal(lUDirection),
                   gVDirection = surface.toGlobal(lVDirection);
 
       if (IntSubDetID == PixelSubdetector::PixelBarrel || IntSubDetID == StripSubdetector::TIB ||
           IntSubDetID == StripSubdetector::TOB) {
         uOrientation = deltaPhi(gUDirection.barePhi(), gPModule.barePhi()) >= 0. ? +1.F : -1.F;
         vOrientation = gVDirection.z() - gPModule.z() >= 0 ? +1.F : -1.F;
         resXTopol = res.x();
         resXatTrkYTopol = res.x();
         resYTopol = res.y();
         resXprimeErr = resXErr;
         resYprimeErr = resYErr;
 
         const RectangularPlaneBounds* rectangularBound = dynamic_cast<const RectangularPlaneBounds*>(&bound);
         if (rectangularBound != nullptr) {
           hitStruct.inside = rectangularBound->inside(lPTrk);
           length = rectangularBound->length();
           width = rectangularBound->width();
           hitStruct.localXnorm = 2 * hitStruct.localX / width;
           hitStruct.localYnorm = 2 * hitStruct.localY / length;
         } else {
           throw cms::Exception("Geometry Error") << "[TrackerValidationVariables] Cannot cast bounds to "
                                                     "RectangularPlaneBounds as expected for TPB, TIB and TOB";
         }
 
       } else if (IntSubDetID == PixelSubdetector::PixelEndcap) {
         uOrientation = gUDirection.perp() - gPModule.perp() >= 0 ? +1.F : -1.F;
         vOrientation = deltaPhi(gVDirection.barePhi(), gPModule.barePhi()) >= 0. ? +1.F : -1.F;
         resXTopol = res.x();
         resXatTrkYTopol = res.x();
         resYTopol = res.y();
         resXprimeErr = resXErr;
         resYprimeErr = resYErr;
 
         const RectangularPlaneBounds* rectangularBound = dynamic_cast<const RectangularPlaneBounds*>(&bound);
         if (rectangularBound != nullptr) {
           hitStruct.inside = rectangularBound->inside(lPTrk);
           length = rectangularBound->length();
           width = rectangularBound->width();
           hitStruct.localXnorm = 2 * hitStruct.localX / width;
           hitStruct.localYnorm = 2 * hitStruct.localY / length;
         } else {
           throw cms::Exception("Geometry Error")
               << "[TrackerValidationVariables] Cannot cast bounds to RectangularPlaneBounds as expected for TPE";
         }
 
       } else if (IntSubDetID == StripSubdetector::TID || IntSubDetID == StripSubdetector::TEC) {
         uOrientation = deltaPhi(gUDirection.barePhi(), gPModule.barePhi()) >= 0. ? +1.F : -1.F;
         vOrientation = gVDirection.perp() - gPModule.perp() >= 0. ? +1.F : -1.F;
 
         if (!dynamic_cast<const RadialStripTopology*>(&detUnit.type().topology()))
           continue;
         const RadialStripTopology& topol = dynamic_cast<const RadialStripTopology&>(detUnit.type().topology());
 
         MeasurementPoint measHitPos = topol.measurementPosition(lPHit);
         MeasurementPoint measTrkPos = topol.measurementPosition(lPTrk);
 
         MeasurementError measHitErr = topol.measurementError(lPHit, errHit);
         MeasurementError measTrkErr = topol.measurementError(lPTrk, errTrk);
 
         if (measHitErr.uu() < 0. || measHitErr.vv() < 0. || measTrkErr.uu() < 0. || measTrkErr.vv() < 0.) {
           edm::LogError("TrackerValidationVariables")
               << "@SUB=TrackerValidationVariables::fillHitQuantities"
               << "One of the squared error methods gives negative result"
               << "\n\tmeasHitErr.uu()\tmeasHitErr.vv()\tmeasTrkErr.uu()\tmeasTrkErr.vv()"
               << "\n\t" << measHitErr.uu() << "\t" << measHitErr.vv() << "\t" << measTrkErr.uu() << "\t"
               << measTrkErr.vv();
           continue;
         }
 
         float localStripLengthHit = topol.localStripLength(lPHit);
         float localStripLengthTrk = topol.localStripLength(lPTrk);
         float phiHit = topol.stripAngle(measHitPos.x());
         float phiTrk = topol.stripAngle(measTrkPos.x());
         float r_0 = topol.originToIntersection();
 
         resXTopol = (phiTrk - phiHit) * r_0;
         //      resXTopol = (tan(phiTrk)-tan(phiHit))*r_0;
 
         LocalPoint LocalHitPosCor = topol.localPosition(MeasurementPoint(measHitPos.x(), measTrkPos.y()));
         resXatTrkYTopol = lPTrk.x() - LocalHitPosCor.x();
 
         //resYTopol = measTrkPos.y()*localStripLengthTrk - measHitPos.y()*localStripLengthHit;
         float cosPhiHit(cos(phiHit)), cosPhiTrk(cos(phiTrk)), sinPhiHit(sin(phiHit)), sinPhiTrk(sin(phiTrk));
         float l_0 = r_0 - topol.detHeight() / 2;
         resYTopol = measTrkPos.y() * localStripLengthTrk - measHitPos.y() * localStripLengthHit +
                     l_0 * (1 / cosPhiTrk - 1 / cosPhiHit);
 
         resXprimeErr = std::sqrt(measHitErr.uu() + measTrkErr.uu()) * topol.angularWidth() * r_0;
         //resYprimeErr = std::sqrt(measHitErr.vv()*localStripLengthHit*localStripLengthHit + measTrkErr.vv()*localStripLengthTrk*localStripLengthTrk);
         float helpSummand = l_0 * l_0 * topol.angularWidth() * topol.angularWidth() *
                             (sinPhiHit * sinPhiHit / pow(cosPhiHit, 4) * measHitErr.uu() +
                              sinPhiTrk * sinPhiTrk / pow(cosPhiTrk, 4) * measTrkErr.uu());
         resYprimeErr = std::sqrt(measHitErr.vv() * localStripLengthHit * localStripLengthHit +
                                  measTrkErr.vv() * localStripLengthTrk * localStripLengthTrk + helpSummand);
 
         const TrapezoidalPlaneBounds* trapezoidalBound = dynamic_cast<const TrapezoidalPlaneBounds*>(&bound);
         if (trapezoidalBound != nullptr) {
           hitStruct.inside = trapezoidalBound->inside(lPTrk);
           length = trapezoidalBound->length();
           width = trapezoidalBound->width();
           //float widthAtHalfLength = trapezoidalBound->widthAtHalfLength();
 
           //    int yAxisOrientation=trapezoidalBound->yAxisOrientation();
           // for trapezoidal shape modules, scale with as function of local y coordinate
           //    float widthAtlocalY=width-(1-yAxisOrientation*2*lPTrk.y()/length)*(width-widthAtHalfLength);
           //    hitStruct.localXnorm = 2*hitStruct.localX/widthAtlocalY;
           hitStruct.localXnorm = 2 * hitStruct.localX / width;
           hitStruct.localYnorm = 2 * hitStruct.localY / length;
         } else {
           throw cms::Exception("Geometry Error") << "[TrackerValidationVariables] Cannot cast bounds to "
                                                     "TrapezoidalPlaneBounds as expected for TID and TEC";
         }
 
       } else {
         edm::LogWarning("TrackerValidationVariables") << "@SUB=TrackerValidationVariables::fillHitQuantities"
                                                       << "No valid tracker subdetector " << IntSubDetID;
         continue;
       }
 
       resXprime = resXTopol * uOrientation;
       resXatTrkY = resXatTrkYTopol;
       resYprime = resYTopol * vOrientation;
 
     } else {  // not a detUnit, so must be a virtual 2D-Module
       // FIXME: at present only for det units residuals are calculated and filled in the hitStruct
       // But in principle this method should also be useable for the gluedDets (2D modules in TIB, TID, TOB, TEC)
       // In this case, only orientation should be taken into account for primeResiduals, but not the radial topology
       // At present, default values (999.F) are given out
     }
 
     hitStruct.resXprime = resXprime;
     hitStruct.resXatTrkY = resXatTrkY;
     hitStruct.resYprime = resYprime;
     hitStruct.resXprimeErr = resXprimeErr;
     hitStruct.resYprimeErr = resYprimeErr;
 
     hitStruct.rawDetId = IntRawDetID;
     hitStruct.phi = tsos.globalDirection().phi();
     hitStruct.eta = tsos.globalDirection().eta();
 
     v_avhitout.push_back(hitStruct);
   }
 }

void TrackerValidationVariables::fillHitQuantities	(	reco::Track const &	track,
		std::vector< AVHitStruct > &	v_avhitout
	)

Definition at line 53 of file TrackerValidationVariables.cc.

                                                                                                              {
   auto const& trajParams = track.extra()->trajParams();
   auto const& residuals = track.extra()->residuals();
 
   assert(trajParams.size() == track.recHitsSize());
   auto hb = track.recHitsBegin();
   for (unsigned int h = 0; h < track.recHitsSize(); h++) {
     auto hit = *(hb + h);
     if (!hit->isValid())
       continue;
 
     AVHitStruct hitStruct;
     const DetId& hit_detId = hit->geographicalId();
     auto IntRawDetID = hit_detId.rawId();
     auto IntSubDetID = hit_detId.subdetId();
 
     if (IntSubDetID == 0)
       continue;
 
     if (IntSubDetID == PixelSubdetector::PixelBarrel || IntSubDetID == PixelSubdetector::PixelEndcap) {
       const SiPixelRecHit* prechit = dynamic_cast<const SiPixelRecHit*>(
           hit);  //to be used to get the associated cluster and the cluster probability
       if (prechit->isOnEdge())
         hitStruct.isOnEdgePixel = true;
       if (prechit->hasBadPixels())
         hitStruct.isOtherBadPixel = true;
     }
 
     auto lPTrk = trajParams[h].position();  // update state
     auto lVTrk = trajParams[h].direction();
 
     auto gtrkdirup = hit->surface()->toGlobal(lVTrk);
 
     hitStruct.rawDetId = IntRawDetID;
     hitStruct.phi = gtrkdirup.phi();  // direction, not position
     hitStruct.eta = gtrkdirup.eta();  // same
 
     hitStruct.localAlpha = std::atan2(lVTrk.x(), lVTrk.z());  // wrt. normal tg(alpha)=x/z
     hitStruct.localBeta = std::atan2(lVTrk.y(), lVTrk.z());   // wrt. normal tg(beta)= y/z
 
     hitStruct.resX = residuals.residualX(h);
     hitStruct.resY = residuals.residualY(h);
     hitStruct.resErrX = hitStruct.resX / residuals.pullX(h);  // for backward compatibility....
     hitStruct.resErrY = hitStruct.resY / residuals.pullY(h);
 
     // hitStruct.localX = lPhit.x();
     // hitStruct.localY = lPhit.y();
     // EM: use predictions for local coordinates
     hitStruct.localX = lPTrk.x();
     hitStruct.localY = lPTrk.y();
 
     // now calculate residuals taking global orientation of modules and radial topology in TID/TEC into account
     float resXprime(999.F), resYprime(999.F);
     float resXatTrkY(999.F);
     float resXprimeErr(999.F), resYprimeErr(999.F);
 
     if (hit->detUnit()) {  // is it a single physical module?
       float uOrientation(-999.F), vOrientation(-999.F);
       float resXTopol(999.F), resYTopol(999.F);
       float resXatTrkYTopol(999.F);
 
       const Surface& surface = hit->detUnit()->surface();
       const BoundPlane& boundplane = hit->detUnit()->surface();
       const Bounds& bound = boundplane.bounds();
 
       float length = 0;
       float width = 0;
 
       LocalPoint lPModule(0., 0., 0.), lUDirection(1., 0., 0.), lVDirection(0., 1., 0.);
       GlobalPoint gPModule = surface.toGlobal(lPModule), gUDirection = surface.toGlobal(lUDirection),
                   gVDirection = surface.toGlobal(lVDirection);
 
       if (IntSubDetID == PixelSubdetector::PixelBarrel || IntSubDetID == PixelSubdetector::PixelEndcap ||
           IntSubDetID == StripSubdetector::TIB || IntSubDetID == StripSubdetector::TOB) {
         if (IntSubDetID == PixelSubdetector::PixelEndcap) {
           uOrientation = gUDirection.perp() - gPModule.perp() >= 0 ? +1.F : -1.F;
           vOrientation = deltaPhi(gVDirection.barePhi(), gPModule.barePhi()) >= 0. ? +1.F : -1.F;
         } else {
           uOrientation = deltaPhi(gUDirection.barePhi(), gPModule.barePhi()) >= 0. ? +1.F : -1.F;
           vOrientation = gVDirection.z() - gPModule.z() >= 0 ? +1.F : -1.F;
         }
 
         resXTopol = hitStruct.resX;
         resXatTrkYTopol = hitStruct.resX;
         resYTopol = hitStruct.resY;
         resXprimeErr = hitStruct.resErrX;
         resYprimeErr = hitStruct.resErrY;
 
         const RectangularPlaneBounds* rectangularBound = dynamic_cast<const RectangularPlaneBounds*>(&bound);
         if (rectangularBound != nullptr) {
           hitStruct.inside = rectangularBound->inside(lPTrk);
           length = rectangularBound->length();
           width = rectangularBound->width();
           hitStruct.localXnorm = 2 * hitStruct.localX / width;
           hitStruct.localYnorm = 2 * hitStruct.localY / length;
         } else {
           throw cms::Exception("Geometry Error")
               << "[TrackerValidationVariables] Cannot cast bounds to RectangularPlaneBounds as expected for TPE";
         }
 
       } else if (IntSubDetID == StripSubdetector::TID || IntSubDetID == StripSubdetector::TEC) {
         // not possible to compute precisely as with Trajectory
       } else {
         edm::LogWarning("TrackerValidationVariables") << "@SUB=TrackerValidationVariables::fillHitQuantities"
                                                       << "No valid tracker subdetector " << IntSubDetID;
         continue;
       }
 
       resXprime = resXTopol * uOrientation;
       resXatTrkY = resXatTrkYTopol;
       resYprime = resYTopol * vOrientation;
 
     } else {  // not a detUnit, so must be a virtual 2D-Module
       // FIXME: at present only for det units residuals are calculated and filled in the hitStruct
       // But in principle this method should also be useable for the gluedDets (2D modules in TIB, TID, TOB, TEC)
       // In this case, only orientation should be taken into account for primeResiduals, but not the radial topology
       // At present, default values (999.F) are given out
     }
 
     hitStruct.resXprime = resXprime;
     hitStruct.resXatTrkY = resXatTrkY;
     hitStruct.resYprime = resYprime;
     hitStruct.resXprimeErr = resXprimeErr;
     hitStruct.resYprimeErr = resYprimeErr;
 
     v_avhitout.push_back(hitStruct);
   }
 }

void TrackerValidationVariables::fillTrackQuantities	(	const edm::Event &	event,
		const edm::EventSetup &	eventSetup,
		std::vector< AVTrackStruct > &	v_avtrackout
	)

Definition at line 421 of file TrackerValidationVariables.cc.

Referenced by MonitorTrackResidualsBase< pixel_or_strip >::analyze(), and TrackerOfflineValidation::analyze().

                                                                                              {
   fillTrackQuantities(
       event, eventSetup, [](const reco::Track&) -> bool { return true; }, v_avtrackout);
 }

void TrackerValidationVariables::fillTrackQuantities	(	const edm::Event &	event,
		const edm::EventSetup &	eventSetup,
		std::function< bool(const reco::Track &)>	trackFilter,
		std::vector< AVTrackStruct > &	v_avtrackout
	)

Definition at line 428 of file TrackerValidationVariables.cc.

                                                                                              {
   const MagneticField& magneticField = eventSetup.getData(magneticFieldToken_);
 
   edm::Handle<reco::TrackCollection> tracksH;
   event.getByToken(tracksToken_, tracksH);
   if (!tracksH.isValid())
     return;
   auto const& tracks = *tracksH;
   auto ntrk = tracks.size();
   LogDebug("TrackerValidationVariables") << "Track collection size " << ntrk;
 
   edm::Handle<std::vector<Trajectory>> trajsH;
   event.getByToken(trajCollectionToken_, trajsH);
   bool yesTraj = trajsH.isValid();
   std::vector<Trajectory> const* trajs = nullptr;
   if (yesTraj)
     trajs = &(*trajsH);
   if (yesTraj)
     assert(trajs->size() == tracks.size());
 
   Trajectory const* trajectory = nullptr;
   for (unsigned int i = 0; i < ntrk; ++i) {
     auto const& track = tracks[i];
     if (yesTraj)
       trajectory = &(*trajs)[i];
 
     if (!trackFilter(track))
       continue;
 
     AVTrackStruct trackStruct;
 
     trackStruct.p = track.p();
     trackStruct.pt = track.pt();
     trackStruct.ptError = track.ptError();
     trackStruct.px = track.px();
     trackStruct.py = track.py();
     trackStruct.pz = track.pz();
     trackStruct.eta = track.eta();
     trackStruct.phi = track.phi();
     trackStruct.chi2 = track.chi2();
     trackStruct.chi2Prob = TMath::Prob(track.chi2(), track.ndof());
     trackStruct.normchi2 = track.normalizedChi2();
     GlobalPoint gPoint(track.vx(), track.vy(), track.vz());
     double theLocalMagFieldInInverseGeV = magneticField.inInverseGeV(gPoint).z();
     trackStruct.kappa = -track.charge() * theLocalMagFieldInInverseGeV / track.pt();
     trackStruct.charge = track.charge();
     trackStruct.d0 = track.d0();
     trackStruct.dz = track.dz();
     trackStruct.numberOfValidHits = track.numberOfValidHits();
     trackStruct.numberOfLostHits = track.numberOfLostHits();
     if (trajectory)
       fillHitQuantities(trajectory, trackStruct.hits);
     else
       fillHitQuantities(track, trackStruct.hits);
 
     v_avtrackout.push_back(trackStruct);
   }
 }