#include <VectorHitBuilderAlgorithm.h>

Inheritance diagram for VectorHitBuilderAlgorithm:

Classes
struct	CurvatureAndPhi

Public Member Functions
VectorHit	buildVectorHit (const StackGeomDet *stack, Phase2TrackerCluster1DRef lower, Phase2TrackerCluster1DRef upper) const override

void	buildVectorHits (VectorHitCollection &vhAcc, VectorHitCollection &vhRej, DetId detIdStack, const StackGeomDet *stack, edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >> clusters, const Detset &DSVinner, const Detset &DSVouter, const std::vector< bool > &phase2OTClustersToSkip=std::vector< bool >()) const override

bool	checkClustersCompatibility (Local3DPoint &posinner, Local3DPoint &posouter, LocalError &errinner, LocalError &errouter) const

bool	checkClustersCompatibilityBeforeBuilding (edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >> clusters, const Detset &theLowerDetSet, const Detset &theUpperDetSet) const

CurvatureAndPhi	curvatureANDphi (Global3DPoint gPositionLower, Global3DPoint gPositionUpper, GlobalError gErrorLower, GlobalError gErrorUpper) const

void	fit (float x[2], float y[2], float sigy[2], Local3DPoint &pos, Local3DVector &dir, AlgebraicSymMatrix22 &covMatrix, double &chi2) const

void	fit2Dzx (const Local3DPoint lpCI, const Local3DPoint lpCO, const LocalError leCI, const LocalError leCO, Local3DPoint &pos, Local3DVector &dir, AlgebraicSymMatrix22 &covMatrix, double &chi2) const

void	fit2Dzy (const Local3DPoint lpCI, const Local3DPoint lpCO, const LocalError leCI, const LocalError leCO, Local3DPoint &pos, Local3DVector &dir, AlgebraicSymMatrix22 &covMatrix, double &chi2) const

void	run (edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >> clusters, VectorHitCollection &vhAcc, VectorHitCollection &vhRej, edmNew::DetSetVector< Phase2TrackerCluster1D > &clustersAcc, edmNew::DetSetVector< Phase2TrackerCluster1D > &clustersRej) const override

	VectorHitBuilderAlgorithm (const edm::ParameterSet &conf, const TrackerGeometry tkGeomProd, const TrackerTopology tkTopoProd, const ClusterParameterEstimator< Phase2TrackerCluster1D > *cpeProd)

	~VectorHitBuilderAlgorithm () override=default

Public Member Functions inherited from VectorHitBuilderAlgorithmBase
double	computeParallaxCorrection (const PixelGeomDetUnit , const Point3DBase< float, LocalTag > &, const PixelGeomDetUnit , const Point3DBase< float, LocalTag > &) const

void	printCluster (const GeomDet geomDetUnit, const Phase2TrackerCluster1D cluster) const

void	printClusters (const edmNew::DetSetVector< Phase2TrackerCluster1D > &clusters) const

	VectorHitBuilderAlgorithmBase (const edm::ParameterSet &, const TrackerGeometry , const TrackerTopology , const ClusterParameterEstimator< Phase2TrackerCluster1D > *)

virtual	~VectorHitBuilderAlgorithmBase ()

Additional Inherited Members
Public Types inherited from VectorHitBuilderAlgorithmBase
typedef Detset::const_iterator	const_iterator

typedef edmNew::DetSet< Phase2TrackerCluster1D >	Detset

typedef edmNew::DetSetVector< VectorHit >	output_t

typedef edm::Ref< edmNew::DetSetVector< Phase2TrackerCluster1D >, Phase2TrackerCluster1D >	Phase2TrackerCluster1DRef

typedef std::pair< StackGeomDet, std::vector< Phase2TrackerCluster1D > >	StackClusters

Public Attributes inherited from VectorHitBuilderAlgorithmBase
std::vector< double >	barrelCut_

const ClusterParameterEstimator< Phase2TrackerCluster1D > *	cpe_

std::vector< double >	endcapCut_

unsigned int	nMaxVHforeachStack_

const TrackerGeometry *	tkGeom_

const TrackerTopology *	tkTopo_

Detailed Description

Definition at line 17 of file VectorHitBuilderAlgorithm.h.

Constructor & Destructor Documentation

◆ VectorHitBuilderAlgorithm()

VectorHitBuilderAlgorithm::VectorHitBuilderAlgorithm	(	const edm::ParameterSet &	conf,
		const TrackerGeometry *	tkGeomProd,
		const TrackerTopology *	tkTopoProd,
		const ClusterParameterEstimator< Phase2TrackerCluster1D > *	cpeProd
	)

inline

Definition at line 19 of file VectorHitBuilderAlgorithm.h.

23 : VectorHitBuilderAlgorithmBase(conf, tkGeomProd, tkTopoProd, cpeProd){};

VectorHitBuilderAlgorithmBase::VectorHitBuilderAlgorithmBase

VectorHitBuilderAlgorithmBase(const edm::ParameterSet &, const TrackerGeometry *, const TrackerTopology *, const ClusterParameterEstimator< Phase2TrackerCluster1D > *)

Definition: VectorHitBuilderAlgorithmBase.cc:12

◆ ~VectorHitBuilderAlgorithm()

VectorHitBuilderAlgorithm::~VectorHitBuilderAlgorithm ( )

overridedefault

Member Function Documentation

◆ buildVectorHit()

VectorHit VectorHitBuilderAlgorithm::buildVectorHit	(	const StackGeomDet *	stack,
		Phase2TrackerCluster1DRef	lower,
		Phase2TrackerCluster1DRef	upper
	)		const

overridevirtual

Implements VectorHitBuilderAlgorithmBase.

Definition at line 202 of file VectorHitBuilderAlgorithm.cc.

References checkClustersCompatibility(), VectorHitBuilderAlgorithmBase::cpe_, VectorHitBuilderAlgorithm::CurvatureAndPhi::curvature, curvatureANDphi(), VectorHitBuilderAlgorithm::CurvatureAndPhi::curvatureError, fit2Dzx(), fit2Dzy(), ClusterParameterEstimator< T >::localParameters(), LogTrace, convertSQLiteXML::ok, PV3DBase< T, PVType, FrameType >::perp(), VectorHit::phase2clusterGlobalPos(), VectorHit::phase2clusterGlobalPosErr(), VectorHitBuilderAlgorithm::CurvatureAndPhi::phi, VectorHitBuilderAlgorithmBase::printCluster(), svgfig::stack, GeomDet::surface(), std::swap(), and Surface::toGlobal().

Referenced by buildVectorHits().

                                                                                            {
   LogTrace("VectorHitBuilderAlgorithm") << "Build VH with: ";
 #ifdef EDM_ML_DEBUG
   printCluster(stack->upperDet(), &*upper);
 #endif
   const PixelGeomDetUnit* geomDetLower = static_cast<const PixelGeomDetUnit*>(stack->lowerDet());
   const PixelGeomDetUnit* geomDetUpper = static_cast<const PixelGeomDetUnit*>(stack->upperDet());
 
   auto&& lparamsLower = cpe_->localParameters(*lower, *geomDetLower);  // x, y, z, e2_xx, e2_xy, e2_yy
   Global3DPoint gparamsLower = geomDetLower->surface().toGlobal(lparamsLower.first);
   LogTrace("VectorHitBuilderAlgorithm") << "\t lower global pos: " << gparamsLower;
 
   auto&& lparamsUpper = cpe_->localParameters(*upper, *geomDetUpper);
   Global3DPoint gparamsUpper = geomDetUpper->surface().toGlobal(lparamsUpper.first);
   LogTrace("VectorHitBuilderAlgorithm") << "\t upper global pos: " << gparamsUpper;
 
   //local parameters of upper cluster in lower system of reference
   Local3DPoint lparamsUpperInLower = geomDetLower->surface().toLocal(gparamsUpper);
 
   LogTrace("VectorHitBuilderAlgorithm") << "\t lower global pos: " << gparamsLower;
   LogTrace("VectorHitBuilderAlgorithm") << "\t upper global pos: " << gparamsUpper;
 
   LogTrace("VectorHitBuilderAlgorithm") << "A:\t lower local pos: " << lparamsLower.first
                                         << " with error: " << lparamsLower.second << std::endl;
   LogTrace("VectorHitBuilderAlgorithm") << "A:\t upper local pos in the lower sof " << lparamsUpperInLower
                                         << " with error: " << lparamsUpper.second << std::endl;
 
   bool ok =
       checkClustersCompatibility(lparamsLower.first, lparamsUpper.first, lparamsLower.second, lparamsUpper.second);
 
   if (ok) {
     AlgebraicSymMatrix22 covMat2Dzx;
     double chi22Dzx = 0.0;
     Local3DPoint pos2Dzx;
     Local3DVector dir2Dzx;
     fit2Dzx(lparamsLower.first,
             lparamsUpperInLower,
             lparamsLower.second,
             lparamsUpper.second,
             pos2Dzx,
             dir2Dzx,
             covMat2Dzx,
             chi22Dzx);
     LogTrace("VectorHitBuilderAlgorithm") << "\t  pos2Dzx: " << pos2Dzx;
     LogTrace("VectorHitBuilderAlgorithm") << "\t  dir2Dzx: " << dir2Dzx;
     LogTrace("VectorHitBuilderAlgorithm") << "\t  cov2Dzx: " << covMat2Dzx;
     VectorHit2D vh2Dzx = VectorHit2D(pos2Dzx, dir2Dzx, covMat2Dzx, chi22Dzx);
 
     AlgebraicSymMatrix22 covMat2Dzy;
     double chi22Dzy = 0.0;
     Local3DPoint pos2Dzy;
     Local3DVector dir2Dzy;
     fit2Dzy(lparamsLower.first,
             lparamsUpperInLower,
             lparamsLower.second,
             lparamsUpper.second,
             pos2Dzy,
             dir2Dzy,
             covMat2Dzy,
             chi22Dzy);
     LogTrace("VectorHitBuilderAlgorithm") << "\t  pos2Dzy: " << pos2Dzy;
     LogTrace("VectorHitBuilderAlgorithm") << "\t  dir2Dzy: " << dir2Dzy;
     LogTrace("VectorHitBuilderAlgorithm") << "\t  cov2Dzy: " << covMat2Dzy;
     VectorHit2D vh2Dzy = VectorHit2D(pos2Dzy, dir2Dzy, covMat2Dzy, chi22Dzy);
 
     OmniClusterRef lowerOmni(lower);
     OmniClusterRef upperOmni(upper);
 
     Global3DPoint gPositionLower = VectorHit::phase2clusterGlobalPos(geomDetLower, lower);
     Global3DPoint gPositionUpper = VectorHit::phase2clusterGlobalPos(geomDetUpper, upper);
     GlobalError gErrorLower = VectorHit::phase2clusterGlobalPosErr(geomDetLower);
     GlobalError gErrorUpper = VectorHit::phase2clusterGlobalPosErr(geomDetUpper);
 
     if (gPositionLower.perp() > gPositionUpper.perp()) {
       std::swap(gPositionLower, gPositionUpper);
       std::swap(gErrorLower, gErrorUpper);
     }
 
     const CurvatureAndPhi curvatureAndPhi = curvatureANDphi(gPositionLower, gPositionUpper, gErrorLower, gErrorUpper);
     VectorHit vh = VectorHit(*stack,
                              vh2Dzx,
                              vh2Dzy,
                              lowerOmni,
                              upperOmni,
                              curvatureAndPhi.curvature,
                              curvatureAndPhi.curvatureError,
                              curvatureAndPhi.phi);
     return vh;
   }
 
   return VectorHit();
 }

◆ buildVectorHits()

void VectorHitBuilderAlgorithm::buildVectorHits	(	VectorHitCollection &	vhAcc,
		VectorHitCollection &	vhRej,
		DetId	detIdStack,
		const StackGeomDet *	stack,
		edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >>	clusters,
		const Detset &	DSVinner,
		const Detset &	DSVouter,
		const std::vector< bool > &	phase2OTClustersToSkip = `std::vector<bool>()`
	)		const

overridevirtual

Implements VectorHitBuilderAlgorithmBase.

Definition at line 79 of file VectorHitBuilderAlgorithm.cc.

References funct::abs(), VectorHitBuilderAlgorithmBase::barrelCut_, edmNew::DetSet< T >::begin(), buildVectorHit(), checkClustersCompatibilityBeforeBuilding(), bsc_activity_cfg::clusters, VectorHitBuilderAlgorithmBase::computeParallaxCorrection(), VectorHitBuilderAlgorithmBase::cpe_, PA_MinBiasSkim_cff::cut, edmNew::DetSet< T >::end(), VectorHitBuilderAlgorithmBase::endcapCut_, TrackingRecHit::isValid(), TrackerTopology::layer(), ClusterParameterEstimator< T >::localParameters(), LogDebug, LogTrace, edmNew::makeRefTo(), GeomDetEnumerators::P2OTB, GeomDetEnumerators::P2OTEC, VectorHitBuilderAlgorithmBase::printCluster(), edmNew::DetSetVector< T >::FastFiller::push_back(), svgfig::stack, VectorHitBuilderAlgorithmBase::tkTopo_, and ApeEstimator_cff::width.

Referenced by run().

                                                                                                      {
   if (checkClustersCompatibilityBeforeBuilding(clusters, theLowerDetSet, theUpperDetSet)) {
     LogDebug("VectorHitBuilderAlgorithm") << "  compatible -> continue ... " << std::endl;
   } else {
     LogTrace("VectorHitBuilderAlgorithm") << "  not compatible, going to the next cluster";
   }
 
   edmNew::DetSetVector<VectorHit>::FastFiller vh_colAcc(vhAcc, detIdStack);
   edmNew::DetSetVector<VectorHit>::FastFiller vh_colRej(vhRej, detIdStack);
 
   unsigned int layerStack = tkTopo_->layer(stack->geographicalId());
   if (stack->subDetector() == GeomDetEnumerators::SubDetector::P2OTB)
     LogDebug("VectorHitBuilderAlgorithm") << " \t is barrel.    " << std::endl;
   if (stack->subDetector() == GeomDetEnumerators::SubDetector::P2OTEC)
     LogDebug("VectorHitBuilderAlgorithm") << " \t is endcap.    " << std::endl;
   LogDebug("VectorHitBuilderAlgorithm") << " \t layer is : " << layerStack << std::endl;
 
   float cut = 0.0;
   if (stack->subDetector() == GeomDetEnumerators::SubDetector::P2OTB)
     cut = barrelCut_.at(layerStack);
   if (stack->subDetector() == GeomDetEnumerators::SubDetector::P2OTEC)
     cut = endcapCut_.at(layerStack);
   LogDebug("VectorHitBuilderAlgorithm") << " \t the cut is:" << cut << std::endl;
 
   //only cache local parameters for upper cluster as we loop over lower clusters only once anyway
   std::vector<std::pair<LocalPoint, LocalError>> localParamsUpper;
   std::vector<const PixelGeomDetUnit*> localGDUUpper;
 
   const PixelGeomDetUnit* gduUpp = dynamic_cast<const PixelGeomDetUnit*>(stack->upperDet());
   for (auto const& clusterUpper : theUpperDetSet) {
     localGDUUpper.push_back(gduUpp);
     localParamsUpper.push_back(cpe_->localParameters(clusterUpper, *gduUpp));
   }
   int upperIterator = 0;
   const PixelGeomDetUnit* gduLow = dynamic_cast<const PixelGeomDetUnit*>(stack->lowerDet());
   for (const_iterator cil = theLowerDetSet.begin(); cil != theLowerDetSet.end(); ++cil) {
     LogDebug("VectorHitBuilderAlgorithm") << " lower clusters " << std::endl;
     Phase2TrackerCluster1DRef cluL = edmNew::makeRefTo(clusters, cil);
 #ifdef EDM_ML_DEBUG
     printCluster(stack->lowerDet(), &*cluL);
 #endif
     auto&& lparamsLow = cpe_->localParameters(*cluL, *gduLow);
     upperIterator = 0;
     for (const_iterator ciu = theUpperDetSet.begin(); ciu != theUpperDetSet.end(); ++ciu) {
       LogDebug("VectorHitBuilderAlgorithm") << "\t upper clusters " << std::endl;
       Phase2TrackerCluster1DRef cluU = edmNew::makeRefTo(clusters, ciu);
 #ifdef EDM_ML_DEBUG
       printCluster(stack->upperDet(), &*cluU);
 #endif
       //applying the parallax correction
       double pC = computeParallaxCorrection(
           gduLow, lparamsLow.first, localGDUUpper[upperIterator], localParamsUpper[upperIterator].first);
       LogDebug("VectorHitBuilderAlgorithm") << " \t parallax correction:" << pC << std::endl;
       double lpos_upp_corr = 0.0;
       double lpos_low_corr = 0.0;
       auto const localUpperX = localParamsUpper[upperIterator].first.x();
       if (localUpperX > lparamsLow.first.x()) {
         if (localUpperX > 0) {
           lpos_low_corr = lparamsLow.first.x();
           lpos_upp_corr = localParamsUpper[upperIterator].first.x() - std::abs(pC);
         } else if (localUpperX < 0) {
           lpos_low_corr = lparamsLow.first.x() + std::abs(pC);
           lpos_upp_corr = localUpperX;
         }
       } else if (localUpperX < lparamsLow.first.x()) {
         if (localUpperX > 0) {
           lpos_low_corr = lparamsLow.first.x() - std::abs(pC);
           lpos_upp_corr = localUpperX;
         } else if (localUpperX < 0) {
           lpos_low_corr = lparamsLow.first.x();
           lpos_upp_corr = localUpperX + std::abs(pC);
         }
       } else {
         if (localUpperX > 0) {
           lpos_low_corr = lparamsLow.first.x();
           lpos_upp_corr = localUpperX - std::abs(pC);
         } else if (localUpperX < 0) {
           lpos_low_corr = lparamsLow.first.x();
           lpos_upp_corr = localUpperX + std::abs(pC);
         }
       }
 
       LogDebug("VectorHitBuilderAlgorithm") << " \t local pos upper corrected (x):" << lpos_upp_corr << std::endl;
       LogDebug("VectorHitBuilderAlgorithm") << " \t local pos lower corrected (x):" << lpos_low_corr << std::endl;
 
       double width = lpos_low_corr - lpos_upp_corr;
       LogDebug("VectorHitBuilderAlgorithm") << " \t width: " << width << std::endl;
 
       //old cut: indipendent from layer
       //building my tolerance : 10*sigma
       //double delta = 10.0 * sqrt(lparamsLow.second.xx() + localParamsUpper[upperIterator].second.xx());
       //LogDebug("VectorHitBuilderAlgorithm") << " \t delta: " << delta << std::endl;
       //if( (lpos_upp_corr < lpos_low_corr + delta) &&
       //    (lpos_upp_corr > lpos_low_corr - delta) ){
       //new cut: dependent on layers
       if (std::abs(width) < cut) {
         LogDebug("VectorHitBuilderAlgorithm") << " accepting VH! " << std::endl;
         VectorHit vh = buildVectorHit(stack, cluL, cluU);
         //protection: the VH can also be empty!!
         if (vh.isValid()) {
           vh_colAcc.push_back(vh);
         }
 
       } else {
         LogDebug("VectorHitBuilderAlgorithm") << " rejecting VH: " << std::endl;
         //storing vh rejected for combinatiorial studies
         VectorHit vh = buildVectorHit(stack, cluL, cluU);
         if (vh.isValid()) {
           vh_colRej.push_back(vh);
         }
       }
       upperIterator += 1;
     }
   }
 }

◆ checkClustersCompatibility()

bool VectorHitBuilderAlgorithm::checkClustersCompatibility	(	Local3DPoint &	posinner,
		Local3DPoint &	posouter,
		LocalError &	errinner,
		LocalError &	errouter
	)		const

Definition at line 70 of file VectorHitBuilderAlgorithm.cc.

Referenced by buildVectorHit().

                                                                                        {
   return true;
 }

◆ checkClustersCompatibilityBeforeBuilding()

bool VectorHitBuilderAlgorithm::checkClustersCompatibilityBeforeBuilding	(	edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >>	clusters,
		const Detset &	theLowerDetSet,
		const Detset &	theUpperDetSet
	)		const

Definition at line 49 of file VectorHitBuilderAlgorithm.cc.

References edmNew::DetSet< T >::begin(), bsc_activity_cfg::clusters, edmNew::DetSet< T >::end(), LogDebug, edmNew::makeRefTo(), and edmNew::DetSet< T >::size().

Referenced by buildVectorHits().

                                         {
   if (theLowerDetSet.size() == 1 && theUpperDetSet.size() == 1)
     return true;
 
   //order lower clusters in u
   std::vector<Phase2TrackerCluster1D> lowerClusters;
   lowerClusters.reserve(theLowerDetSet.size());
   if (theLowerDetSet.size() > 1)
     LogDebug("VectorHitBuilderAlgorithm") << " more than 1 lower cluster! " << std::endl;
   if (theUpperDetSet.size() > 1)
     LogDebug("VectorHitBuilderAlgorithm") << " more than 1 upper cluster! " << std::endl;
   for (const_iterator cil = theLowerDetSet.begin(); cil != theLowerDetSet.end(); ++cil) {
     Phase2TrackerCluster1DRef clusterLower = edmNew::makeRefTo(clusters, cil);
     lowerClusters.push_back(*clusterLower);
   }
   return true;
 }

◆ curvatureANDphi()

VectorHitBuilderAlgorithm::CurvatureAndPhi VectorHitBuilderAlgorithm::curvatureANDphi	(	Global3DPoint	gPositionLower,
		Global3DPoint	gPositionUpper,
		GlobalError	gErrorLower,
		GlobalError	gErrorUpper
	)		const

Definition at line 366 of file VectorHitBuilderAlgorithm.cc.

References PixelRecoUtilities::curvature(), GlobalErrorBase< T, ErrorWeightType >::cxx(), GlobalErrorBase< T, ErrorWeightType >::cyx(), GlobalErrorBase< T, ErrorWeightType >::cyy(), SiPixelRawToDigiRegional_cfi::deltaPhi, mps_fire::i, M_PI, PV3DBase< T, PVType, FrameType >::perp2(), phi, funct::pow(), mps_fire::result, mathSSE::sqrt(), groupFilesInBlocks::temp, PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by buildVectorHit().

                                                                                                                      {
   VectorHitBuilderAlgorithm::CurvatureAndPhi result;
 
   float curvature = -999.;
   float errorCurvature = -999.;
   float phi = -999.;
 
   float h1 = gPositionLower.x() * gPositionUpper.y() - gPositionUpper.x() * gPositionLower.y();
 
   //determine sign of curvature
   AlgebraicVector2 n1;
   n1[0] = -gPositionLower.y();
   n1[1] = gPositionLower.x();
   AlgebraicVector2 n2;
   n2[0] = gPositionUpper.x() - gPositionLower.x();
   n2[1] = gPositionUpper.y() - gPositionLower.y();
 
   double n3 = n1[0] * n2[0] + n1[1] * n2[1];
   double signCurv = -copysign(1.0, n3);
   double phi1 = atan2(gPositionUpper.y() - gPositionLower.y(), gPositionUpper.x() - gPositionLower.x());
 
   double x2Low = pow(gPositionLower.x(), 2);
   double y2Low = pow(gPositionLower.y(), 2);
   double x2Up = pow(gPositionUpper.x(), 2);
   double y2Up = pow(gPositionUpper.y(), 2);
 
   if (h1 != 0) {
     double h2 = 2 * h1;
     double h2Inf = 1. / (2 * h1);
     double r12 = gPositionLower.perp2();
     double r22 = gPositionUpper.perp2();
     double h3 = pow(n2[0], 2) + pow(n2[1], 2);
     double h4 = -x2Low * gPositionUpper.x() + gPositionLower.x() * x2Up + gPositionLower.x() * y2Up -
                 gPositionUpper.x() * y2Low;
     double h5 =
         x2Low * gPositionUpper.y() - x2Up * gPositionLower.y() + y2Low * gPositionUpper.y() - gPositionLower.y() * y2Up;
 
     //radius of circle
     double invRho2 = (4. * h1 * h1) / (r12 * r22 * h3);
     curvature = sqrt(invRho2);
 
     //center of circle
     double xcentre = h5 / h2;
     double ycentre = h4 / h2;
 
     //to compute phi at the cluster points
     double xtg = gPositionLower.y() - ycentre;
     double ytg = -(gPositionLower.x() - xcentre);
 
     //to compute phi at the origin
     phi = atan2(ytg, xtg);
 
     AlgebraicROOTObject<4, 4>::Matrix jacobian;
 
     double denom1 = 1. / sqrt(r12 * r22 * h3);
     double denom2 = 1. / (pow(r12 * r22 * h3, 1.5));
     jacobian[0][0] = 1.0;  // dx1/dx1 dx1/dy1 dx2/dx1 dy2/dx1
     jacobian[1][1] = 1.0;  //dy1/dx1 dy1/dy1 dy2/dx1 dy2/dx1
     jacobian[2][0] =
         -2. * ((h1 * (gPositionLower.x() * r22 * h3 + (gPositionLower.x() - gPositionUpper.x()) * r12 * r22)) * denom2 -
                (gPositionUpper.y()) * denom1);  // dkappa/dx1
     jacobian[2][1] =
         -2. * ((gPositionUpper.x()) * denom1 +
                (h1 * (gPositionLower.y() * r22 * h3 + r12 * r22 * (gPositionLower.y() - gPositionUpper.y()))) *
                    denom2);  // dkappa/dy1
     jacobian[2][2] =
         -2. * ((gPositionLower.y()) * denom1 +
                (h1 * (gPositionUpper.x() * r12 * h3 - (gPositionLower.x() - gPositionUpper.x()) * r12 * r22)) *
                    denom2);  // dkappa/dx2
     jacobian[2][3] =
         -2. * ((h1 * (gPositionUpper.y() * r12 * h3 - r12 * r22 * (gPositionLower.y() - gPositionUpper.y()))) * denom2 -
                (gPositionLower.x()) * denom1);  // dkappa/dy2
     AlgebraicVector2 mVector;
     //to compute phi at the cluster points
     mVector[0] = (gPositionLower.y() - ycentre) * invRho2;   // dphi/dxcentre
     mVector[1] = -(gPositionLower.x() - xcentre) * invRho2;  // dphi/dycentre
     //to compute phi at the origin
 
     double h22Inv = 1. / pow(h2, 2);
 
     AlgebraicROOTObject<2, 4>::Matrix kMatrix;
     kMatrix[0][0] =
         2. * ((gPositionLower.x() * gPositionUpper.y()) * h2Inf - (gPositionUpper.y() * h5) * h22Inv);  // dxm/dx1
     kMatrix[0][1] = (2. * gPositionUpper.x() * h5) * h22Inv -
                     (x2Up + y2Up - 2. * gPositionLower.y() * gPositionUpper.y()) * h2Inf;  // dxm/dy1
     kMatrix[0][2] =
         2. * ((gPositionLower.y() * h5) * h22Inv - (gPositionUpper.x() * gPositionLower.y()) * h2Inf);  // dxm/dx2
     kMatrix[0][3] = (x2Low + y2Low - 2. * gPositionUpper.y() * gPositionLower.y()) * h2Inf -
                     (2. * gPositionLower.x() * h5) * h22Inv;  // dxm/dy2
     kMatrix[1][0] = (x2Up - 2. * gPositionLower.x() * gPositionUpper.x() + y2Up) * h2Inf -
                     (2. * gPositionUpper.y() * h4) * h22Inv;  // dym/dx1
     kMatrix[1][1] =
         2. * ((gPositionUpper.x() * h4) * h22Inv - (gPositionUpper.x() * gPositionLower.y()) * h2Inf);  // dym/dy1
     kMatrix[1][2] = (2. * gPositionLower.y() * h4) * h22Inv -
                     (x2Low - 2. * gPositionUpper.x() * gPositionLower.x() + y2Low) * h2Inf;  // dym/dx2
     kMatrix[1][3] =
         2. * (gPositionLower.x() * gPositionUpper.y()) * h2Inf - (gPositionLower.x() * h4) * h22Inv;  // dym/dy2
 
     AlgebraicVector4 nMatrix = mVector * kMatrix;
     jacobian[3][0] = nMatrix[0];  // dphi/(dx1,dy1,dx2,dy2)
     jacobian[3][1] = nMatrix[1];  // dphi/(dx1,dy1,dx2,dy2)
     jacobian[3][2] = nMatrix[2];  // dphi/(dx1,dy1,dx2,dy2)
     jacobian[3][3] = nMatrix[3];  // dphi/(dx1,dy1,dx2,dy2)
 
     //assign correct sign to the curvature errors
     if ((signCurv < 0 && curvature > 0) || (signCurv > 0 && curvature < 0)) {
       curvature = -curvature;
       for (int i = 0; i < 4; i++) {
         jacobian[2][i] = -jacobian[2][i];
       }
     }
 
     // bring phi in the same quadrant as phi1
     if (deltaPhi(phi, phi1) > M_PI / 2.) {
       phi = phi + M_PI;
       if (phi > M_PI)
         phi = phi - 2. * M_PI;
     }
 
     //computing the curvature error
     AlgebraicVector4 curvatureJacobian;
     for (int i = 0; i < 4; i++) {
       curvatureJacobian[i] = jacobian[2][i];
     }
 
     AlgebraicROOTObject<4, 4>::Matrix gErrors;
 
     gErrors[0][0] = gErrorLower.cxx();
     gErrors[0][1] = gErrorLower.cyx();
     gErrors[1][0] = gErrorLower.cyx();
     gErrors[1][1] = gErrorLower.cyy();
     gErrors[2][2] = gErrorUpper.cxx();
     gErrors[2][3] = gErrorUpper.cyx();
     gErrors[3][2] = gErrorUpper.cyx();
     gErrors[3][3] = gErrorUpper.cyy();
 
     AlgebraicVector4 temp = curvatureJacobian;
     temp = temp * gErrors;
     errorCurvature = temp[0] * curvatureJacobian[0] + temp[1] * curvatureJacobian[1] + temp[2] * curvatureJacobian[2] +
                      temp[3] * curvatureJacobian[3];
   }
 
   result.curvature = curvature;
   result.curvatureError = errorCurvature;
   result.phi = phi;
   return result;
 }

◆ fit()

void VectorHitBuilderAlgorithm::fit	(	float	x[2],
		float	y[2],
		float	sigy[2],
		Local3DPoint &	pos,
		Local3DVector &	dir,
		AlgebraicSymMatrix22 &	covMatrix,
		double &	chi2
	)		const

Definition at line 335 of file VectorHitBuilderAlgorithm.cc.

References hltPixelTracks_cff::chi2, DeadROC_duringRun::dir, PVValHelper::dy, dqmiolumiharvest::j, linearFit(), slope, mathSSE::sqrt(), x, and y.

Referenced by fit2Dzx(), fit2Dzy(), and trackingPlots.Iteration::modules().

                                                         {
   float slope = 0.;
   float intercept = 0.;
   float covss = 0.;
   float covii = 0.;
   float covsi = 0.;
 
   linearFit(x, y, 2, sigy2, slope, intercept, covss, covii, covsi);
 
   covMatrix[0][0] = covss;  // this is var(dy/dz)
   covMatrix[1][1] = covii;  // this is var(y)
   covMatrix[1][0] = covsi;  // this is cov(dy/dz,y)
 
   for (unsigned int j = 0; j < 2; j++) {
     const double ypred = intercept + slope * x[j];
     const double dy = (y[j] - ypred) / sqrt(sigy2[j]);
     chi2 += dy * dy;
   }
 
   pos = Local3DPoint(intercept, 0., 0.);
   //difference in z is the difference of the lowermost and the uppermost cluster z pos
   float slopeZ = x[1] - x[0];
   dir = LocalVector(slope, 0., slopeZ);
 }

◆ fit2Dzx()

void VectorHitBuilderAlgorithm::fit2Dzx	(	const Local3DPoint	lpCI,
		const Local3DPoint	lpCO,
		const LocalError	leCI,
		const LocalError	leCO,
		Local3DPoint &	pos,
		Local3DVector &	dir,
		AlgebraicSymMatrix22 &	covMatrix,
		double &	chi2
	)		const

Definition at line 297 of file VectorHitBuilderAlgorithm.cc.

References hltPixelTracks_cff::chi2, DeadROC_duringRun::dir, fit(), mathSSE::sqrt(), x, PV3DBase< T, PVType, FrameType >::x(), LocalError::xx(), y, and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildVectorHit().

                                                             {
   float x[2] = {lpCI.z(), lpCO.z()};
   float y[2] = {lpCI.x(), lpCO.x()};
   float sqCI = sqrt(leCI.xx());
   float sqCO = sqrt(leCO.xx());
   float sigy2[2] = {sqCI * sqCI, sqCO * sqCO};
 
   fit(x, y, sigy2, pos, dir, covMatrix, chi2);
 
   return;
 }

◆ fit2Dzy()

void VectorHitBuilderAlgorithm::fit2Dzy	(	const Local3DPoint	lpCI,
		const Local3DPoint	lpCO,
		const LocalError	leCI,
		const LocalError	leCO,
		Local3DPoint &	pos,
		Local3DVector &	dir,
		AlgebraicSymMatrix22 &	covMatrix,
		double &	chi2
	)		const

Definition at line 316 of file VectorHitBuilderAlgorithm.cc.

References hltPixelTracks_cff::chi2, DeadROC_duringRun::dir, fit(), mathSSE::sqrt(), x, y, PV3DBase< T, PVType, FrameType >::y(), LocalError::yy(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildVectorHit().

                                                             {
   float x[2] = {lpCI.z(), lpCO.z()};
   float y[2] = {lpCI.y(), lpCO.y()};
   float sqCI = sqrt(leCI.yy());
   float sqCO = sqrt(leCO.yy());
   float sigy2[2] = {sqCI * sqCI, sqCO * sqCO};
 
   fit(x, y, sigy2, pos, dir, covMatrix, chi2);
 
   return;
 }

◆ run()

void VectorHitBuilderAlgorithm::run	(	edm::Handle< edmNew::DetSetVector< Phase2TrackerCluster1D >>	clusters,
		VectorHitCollection &	vhAcc,
		VectorHitCollection &	vhRej,
		edmNew::DetSetVector< Phase2TrackerCluster1D > &	clustersAcc,
		edmNew::DetSetVector< Phase2TrackerCluster1D > &	clustersRej
	)		const

overridevirtual

Implements VectorHitBuilderAlgorithmBase.

Definition at line 8 of file VectorHitBuilderAlgorithm.cc.

References buildVectorHits(), bsc_activity_cfg::clusters, TrackerGeometry::idToDet(), TrackerTopology::isLower(), LogDebug, TrackerTopology::partnerDetId(), DetId::rawId(), TrackerTopology::stack(), VectorHitBuilderAlgorithmBase::tkGeom_, and VectorHitBuilderAlgorithmBase::tkTopo_.

Referenced by VectorHitBuilderEDProducer::run().

                                                                                                    {
   LogDebug("VectorHitBuilderAlgorithm") << "Run VectorHitBuilderAlgorithm ... \n";
   const auto* clustersPhase2Collection = clusters.product();
 
   //loop over the DetSetVector
   LogDebug("VectorHitBuilderAlgorithm") << "with #clusters : " << clustersPhase2Collection->size() << std::endl;
   for (auto dSViter : *clustersPhase2Collection) {
     unsigned int rawDetId1(dSViter.detId());
     DetId detId1(rawDetId1);
     DetId lowerDetId, upperDetId;
     if (tkTopo_->isLower(detId1)) {
       lowerDetId = detId1;
       upperDetId = tkTopo_->partnerDetId(detId1);
     } else
       continue;
 
     DetId detIdStack = tkTopo_->stack(detId1);
 
     //debug
     LogDebug("VectorHitBuilderAlgorithm") << "  DetId stack : " << detIdStack.rawId() << std::endl;
     LogDebug("VectorHitBuilderAlgorithm") << "  DetId lower set of clusters  : " << lowerDetId.rawId();
     LogDebug("VectorHitBuilderAlgorithm") << "  DetId upper set of clusters  : " << upperDetId.rawId() << std::endl;
 
     const GeomDet* gd;
     const StackGeomDet* stackDet;
     const auto& it_detLower = dSViter;
     const auto& it_detUpper = clustersPhase2Collection->find(upperDetId);
 
     if (it_detUpper != clustersPhase2Collection->end()) {
       gd = tkGeom_->idToDet(detIdStack);
       stackDet = dynamic_cast<const StackGeomDet*>(gd);
       buildVectorHits(vhAcc, vhRej, detIdStack, stackDet, clusters, it_detLower, *it_detUpper);
     }
   }
   LogDebug("VectorHitBuilderAlgorithm") << "End run VectorHitBuilderAlgorithm ... \n";
 }

Classes

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ VectorHitBuilderAlgorithm()

◆ ~VectorHitBuilderAlgorithm()

Member Function Documentation

◆ buildVectorHit()

◆ buildVectorHits()

◆ checkClustersCompatibility()

◆ checkClustersCompatibilityBeforeBuilding()

◆ curvatureANDphi()

◆ fit()

◆ fit2Dzx()

◆ fit2Dzy()

◆ run()