#include <PixelCPEGeneric.h>

Inheritance diagram for PixelCPEGeneric:

Classes
struct	ClusterParamGeneric

Public Member Functions
	PixelCPEGeneric (edm::ParameterSet const &conf, const MagneticField , const TrackerGeometry &, const TrackerTopology &, const SiPixelLorentzAngle , const SiPixelGenErrorDBObject , const SiPixelLorentzAngle )
	The constructor. More...

	~PixelCPEGeneric () override

Public Member Functions inherited from PixelCPEBase
ReturnType	getParameters (const SiPixelCluster &cl, const GeomDetUnit &det) const override

ReturnType	getParameters (const SiPixelCluster &cl, const GeomDetUnit &det, const LocalTrajectoryParameters &ltp) const override

	PixelCPEBase (edm::ParameterSet const &conf, const MagneticField mag, const TrackerGeometry &geom, const TrackerTopology &ttopo, const SiPixelLorentzAngle lorentzAngle, const SiPixelGenErrorDBObject genErrorDBObject, const SiPixelTemplateDBObject templateDBobject, const SiPixelLorentzAngle *lorentzAngleWidth, int flag=0)

Public Member Functions inherited from PixelClusterParameterEstimator
unsigned int	clusterProbComputationFlag () const

virtual ReturnType	getParameters (const SiPixelCluster &cl, const GeomDetUnit &det, const TrajectoryStateOnSurface &tsos) const

virtual VLocalValues	localParametersV (const SiPixelCluster &cluster, const GeomDetUnit &gd) const

virtual VLocalValues	localParametersV (const SiPixelCluster &cluster, const GeomDetUnit &gd, TrajectoryStateOnSurface &tsos) const

	PixelClusterParameterEstimator ()

virtual	~PixelClusterParameterEstimator ()

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

Static Public Member Functions inherited from PixelCPEBase
static void	fillPSetDescription (edm::ParameterSetDescription &desc)

Private Member Functions
void	collect_edge_charges (ClusterParam &theClusterParam, int &Q_f_X, int &Q_l_X, int &Q_f_Y, int &Q_l_Y) const

std::unique_ptr< ClusterParam >	createClusterParam (const SiPixelCluster &cl) const override

float	err2X (bool &, int &) const

float	err2Y (bool &, int &) const

LocalError	localError (DetParam const &theDetParam, ClusterParam &theClusterParam) const override

LocalPoint	localPosition (DetParam const &theDetParam, ClusterParam &theClusterParam) const override

Private Attributes
bool	DoCosmics_

float	EdgeClusterErrorX_

float	EdgeClusterErrorY_

bool	inflate_all_errors_no_trk_angle

bool	inflate_errors

bool	IrradiationBiasCorrection_

bool	isUpgrade_

bool	NoTemplateErrorsWhenNoTrkAngles_

float	the_eff_charge_cut_highX

float	the_eff_charge_cut_highY

float	the_eff_charge_cut_lowX

float	the_eff_charge_cut_lowY

float	the_size_cutX

float	the_size_cutY

std::vector< SiPixelGenErrorStore >	thePixelGenError_

bool	TruncatePixelCharge_

bool	UseErrorsFromTemplates_

std::vector< float >	xerr_barrel_l1_

float	xerr_barrel_l1_def_

std::vector< float >	xerr_barrel_ln_

float	xerr_barrel_ln_def_

std::vector< float >	xerr_endcap_

float	xerr_endcap_def_

std::vector< float >	yerr_barrel_l1_

float	yerr_barrel_l1_def_

std::vector< float >	yerr_barrel_ln_

float	yerr_barrel_ln_def_

std::vector< float >	yerr_endcap_

float	yerr_endcap_def_

Additional Inherited Members
Public Types inherited from PixelClusterParameterEstimator
typedef std::pair< LocalPoint, LocalError >	LocalValues

using	ReturnType = std::tuple< LocalPoint, LocalError, SiPixelRecHitQuality::QualWordType >

typedef std::vector< LocalValues >	VLocalValues

Protected Types inherited from PixelCPEBase
using	DetParams = std::vector< DetParam >

typedef GloballyPositioned< double >	Frame

Protected Member Functions inherited from PixelCPEBase
void	computeAnglesFromDetPosition (DetParam const &theDetParam, ClusterParam &theClusterParam) const

void	computeAnglesFromTrajectory (DetParam const &theDetParam, ClusterParam &theClusterParam, const LocalTrajectoryParameters &ltp) const

void	computeLorentzShifts (DetParam &) const

DetParam const &	detParam (const GeomDetUnit &det) const

LocalVector	driftDirection (DetParam &theDetParam, GlobalVector bfield) const

LocalVector	driftDirection (DetParam &theDetParam, LocalVector bfield) const

void	setTheClu (DetParam const &, ClusterParam &theClusterParam) const

Protected Attributes inherited from PixelCPEBase
bool	alpha2Order

bool	DoLorentz_

const SiPixelGenErrorDBObject *	genErrorDBObject_

const TrackerGeometry &	geom_

float	lAOffset_

float	lAWidthBPix_

float	lAWidthFPix_

bool	LoadTemplatesFromDB_

const SiPixelLorentzAngle *	lorentzAngle_

const SiPixelLorentzAngle *	lorentzAngleWidth_

DetParams	m_DetParams = DetParams(1440)

const MagneticField *	magfield_

const SiPixelTemplateDBObject *	templateDBobject_

int	theFlag_

int	theVerboseLevel

const TrackerTopology &	ttopo_

bool	useLAOffsetFromConfig_

bool	useLAWidthFromConfig_

bool	useLAWidthFromDB_

Protected Attributes inherited from PixelClusterParameterEstimator
unsigned int	clusterProbComputationFlag_

Detailed Description

Definition at line 52 of file PixelCPEGeneric.h.

Constructor & Destructor Documentation

◆ PixelCPEGeneric()

PixelCPEGeneric::PixelCPEGeneric	(	edm::ParameterSet const &	conf,
		const MagneticField *	mag,
		const TrackerGeometry &	geom,
		const TrackerTopology &	ttopo,
		const SiPixelLorentzAngle *	lorentzAngle,
		const SiPixelGenErrorDBObject *	genErrorDBObject,
		const SiPixelLorentzAngle *	lorentzAngleWidth = `nullptr`
	)

The constructor.

Definition at line 30 of file PixelCPEGeneric.cc.

     : PixelCPEBase(conf, mag, geom, ttopo, lorentzAngle, genErrorDBObject, nullptr, lorentzAngleWidth, 0) {
   if (theVerboseLevel > 0)
     LogDebug("PixelCPEGeneric") << " constructing a generic algorithm for ideal pixel detector.\n"
                                 << " CPEGeneric:: VerboseLevel = " << theVerboseLevel;
  
   // Externally settable cuts
   the_eff_charge_cut_lowX = conf.getParameter<double>("eff_charge_cut_lowX");
   the_eff_charge_cut_lowY = conf.getParameter<double>("eff_charge_cut_lowY");
   the_eff_charge_cut_highX = conf.getParameter<double>("eff_charge_cut_highX");
   the_eff_charge_cut_highY = conf.getParameter<double>("eff_charge_cut_highY");
   the_size_cutX = conf.getParameter<double>("size_cutX");
   the_size_cutY = conf.getParameter<double>("size_cutY");
  
   EdgeClusterErrorX_ = conf.getParameter<double>("EdgeClusterErrorX");
   EdgeClusterErrorY_ = conf.getParameter<double>("EdgeClusterErrorY");
  
   // Externally settable flags to inflate errors
   inflate_errors = conf.getParameter<bool>("inflate_errors");
   inflate_all_errors_no_trk_angle = conf.getParameter<bool>("inflate_all_errors_no_trk_angle");
  
   NoTemplateErrorsWhenNoTrkAngles_ = conf.getParameter<bool>("NoTemplateErrorsWhenNoTrkAngles");
   UseErrorsFromTemplates_ = conf.getParameter<bool>("UseErrorsFromTemplates");
   TruncatePixelCharge_ = conf.getParameter<bool>("TruncatePixelCharge");
   IrradiationBiasCorrection_ = conf.getParameter<bool>("IrradiationBiasCorrection");
   DoCosmics_ = conf.getParameter<bool>("DoCosmics");
  
   // Upgrade means phase 2
   isUpgrade_ = conf.getParameter<bool>("Upgrade");
  
   // For cosmics force the use of simple errors
   if ((DoCosmics_))
     UseErrorsFromTemplates_ = false;
  
   if (!UseErrorsFromTemplates_ && (TruncatePixelCharge_ || IrradiationBiasCorrection_ || LoadTemplatesFromDB_)) {
     throw cms::Exception("PixelCPEGeneric::PixelCPEGeneric: ")
         << "\nERROR: UseErrorsFromTemplates_ is set to False in PixelCPEGeneric_cfi.py. "
         << " In this case it does not make sense to set any of the following to True: "
         << " TruncatePixelCharge_, IrradiationBiasCorrection_, DoCosmics_, LoadTemplatesFromDB_ !!!"
         << "\n\n";
   }
  
   // Use errors from templates or from GenError
   if (UseErrorsFromTemplates_) {
     if (LoadTemplatesFromDB_) {  // From DB
       if (!SiPixelGenError::pushfile(*genErrorDBObject_, thePixelGenError_))
         throw cms::Exception("InvalidCalibrationLoaded")
             << "ERROR: GenErrors not filled correctly. Check the sqlite file. Using SiPixelTemplateDBObject version "
             << (*genErrorDBObject_).version();
       if (MYDEBUG)
         cout << "Loaded genErrorDBObject v" << (*genErrorDBObject_).version() << endl;
     } else {  // From file
       if (!SiPixelGenError::pushfile(-999, thePixelGenError_))
         throw cms::Exception("InvalidCalibrationLoaded")
             << "ERROR: GenErrors not loaded correctly from text file. Reconstruction will fail.";
     }  // if load from DB
  
   } else {
     if (MYDEBUG)
       cout << " Use simple parametrised errors " << endl;
   }  // if ( UseErrorsFromTemplates_ )
  
   // Rechit errors in case other, more correct, errors are not vailable
   // This are constants. Maybe there is a more efficienct way to store them.
   if (!isUpgrade_) {  // normal case
     xerr_barrel_l1_ = {0.00115, 0.00120, 0.00088};
     xerr_barrel_l1_def_ = 0.01030;
     yerr_barrel_l1_ = {0.00375, 0.00230, 0.00250, 0.00250, 0.00230, 0.00230, 0.00210, 0.00210, 0.00240};
     yerr_barrel_l1_def_ = 0.00210;
     xerr_barrel_ln_ = {0.00115, 0.00120, 0.00088};
     xerr_barrel_ln_def_ = 0.01030;
     yerr_barrel_ln_ = {0.00375, 0.00230, 0.00250, 0.00250, 0.00230, 0.00230, 0.00210, 0.00210, 0.00240};
     yerr_barrel_ln_def_ = 0.00210;
     xerr_endcap_ = {0.0020, 0.0020};
     xerr_endcap_def_ = 0.0020;
     yerr_endcap_ = {0.00210};
     yerr_endcap_def_ = 0.00075;
   } else {  // isUpgrade=true
     xerr_barrel_ln_ = {0.00025, 0.00030, 0.00035, 0.00035};
     xerr_barrel_ln_def_ = 0.00035;
     yerr_barrel_ln_ = {0.00210, 0.00115, 0.00125};
     yerr_barrel_ln_def_ = 0.00125;
     xerr_endcap_ = {0.00072, 0.00025};
     xerr_endcap_def_ = 0.00060;
     yerr_endcap_ = {0.00289, 0.00025};
     yerr_endcap_def_ = 0.00180;
  
     if (conf.getParameter<bool>("SmallPitch")) {
       xerr_barrel_l1_ = {0.00104, 0.000691, 0.00122};
       xerr_barrel_l1_def_ = 0.00321;
       yerr_barrel_l1_ = {0.00199, 0.00136, 0.0015, 0.00153, 0.00152, 0.00171, 0.00154, 0.00157, 0.00154};
       yerr_barrel_l1_def_ = 0.00164;
     } else {
       xerr_barrel_l1_ = {0.00025, 0.00030, 0.00035, 0.00035};
       xerr_barrel_l1_def_ = 0.00035;
       yerr_barrel_l1_ = {0.00210, 0.00115, 0.00125};
       yerr_barrel_l1_def_ = 0.00125;
     }
   }  // if isUpgrade
  
   if (MYDEBUG) {
     cout << "From PixelCPEGeneric::PixelCPEGeneric(...)" << endl;
     cout << "(int)UseErrorsFromTemplates_ = " << (int)UseErrorsFromTemplates_ << endl;
     cout << "TruncatePixelCharge_         = " << (int)TruncatePixelCharge_ << endl;
     cout << "IrradiationBiasCorrection_   = " << (int)IrradiationBiasCorrection_ << endl;
     cout << "(int)DoCosmics_              = " << (int)DoCosmics_ << endl;
     cout << "(int)LoadTemplatesFromDB_    = " << (int)LoadTemplatesFromDB_ << endl;
   }
 }

References gather_cfg::cout, DoCosmics_, EdgeClusterErrorX_, EdgeClusterErrorY_, Exception, PixelCPEBase::genErrorDBObject_, edm::ParameterSet::getParameter(), inflate_all_errors_no_trk_angle, inflate_errors, createfilelist::int, IrradiationBiasCorrection_, isUpgrade_, PixelCPEBase::LoadTemplatesFromDB_, LogDebug, NoTemplateErrorsWhenNoTrkAngles_, SiPixelGenError::pushfile(), the_eff_charge_cut_highX, the_eff_charge_cut_highY, the_eff_charge_cut_lowX, the_eff_charge_cut_lowY, the_size_cutX, the_size_cutY, thePixelGenError_, PixelCPEBase::theVerboseLevel, TruncatePixelCharge_, UseErrorsFromTemplates_, xerr_barrel_l1_, xerr_barrel_l1_def_, xerr_barrel_ln_, xerr_barrel_ln_def_, xerr_endcap_, xerr_endcap_def_, yerr_barrel_l1_, yerr_barrel_l1_def_, yerr_barrel_ln_, yerr_barrel_ln_def_, yerr_endcap_, and yerr_endcap_def_.

◆ ~PixelCPEGeneric()

PixelCPEGeneric::~PixelCPEGeneric ( )

inlineoverride

Definition at line 87 of file PixelCPEGeneric.h.

87 { ; }

Member Function Documentation

◆ collect_edge_charges()

void PixelCPEGeneric::collect_edge_charges	(	ClusterParam &	theClusterParamBase,
		int &	Q_f_X,
		int &	Q_l_X,
		int &	Q_f_Y,
		int &	Q_l_Y
	)		const

private

Collect the edge charges in x and y, in a single pass over the pixel vector. Calculate charge in the first and last pixel projected in x and y and the inner cluster charge, projected in x and y.

Parameters

theClusterParamBase	input, the cluster
Q_f_X	output, Q first in X
Q_l_X	output, Q last in X
Q_f_Y	output, Q first in Y
Q_l_Y	output, Q last in Y

Definition at line 400 of file PixelCPEGeneric.cc.

         {
   ClusterParamGeneric& theClusterParam = static_cast<ClusterParamGeneric&>(theClusterParamBase);
  
   // Initialize return variables.
   Q_f_X = Q_l_X = 0.0;
   Q_f_Y = Q_l_Y = 0.0;
  
   // Obtain boundaries in index units
   int xmin = theClusterParam.theCluster->minPixelRow();
   int xmax = theClusterParam.theCluster->maxPixelRow();
   int ymin = theClusterParam.theCluster->minPixelCol();
   int ymax = theClusterParam.theCluster->maxPixelCol();
  
   // Iterate over the pixels.
   int isize = theClusterParam.theCluster->size();
   for (int i = 0; i != isize; ++i) {
     auto const& pixel = theClusterParam.theCluster->pixel(i);
     // ggiurgiu@fnal.gov: add pixel charge truncation
     int pix_adc = pixel.adc;
     if (UseErrorsFromTemplates_ && TruncatePixelCharge_)
       pix_adc = std::min(pix_adc, theClusterParam.pixmx);
  
     //
     // X projection
     if (pixel.x == xmin)
       Q_f_X += pix_adc;
     if (pixel.x == xmax)
       Q_l_X += pix_adc;
     //
     // Y projection
     if (pixel.y == ymin)
       Q_f_Y += pix_adc;
     if (pixel.y == ymax)
       Q_l_Y += pix_adc;
   }
  
   return;
 }

References mps_fire::i, SiPixelCluster::maxPixelCol(), SiPixelCluster::maxPixelRow(), min(), SiPixelCluster::minPixelCol(), SiPixelCluster::minPixelRow(), muonClassificationByHits_cfi::pixel, SiPixelCluster::pixel(), PixelCPEGeneric::ClusterParamGeneric::pixmx, SiPixelCluster::size(), PixelCPEBase::ClusterParam::theCluster, TruncatePixelCharge_, UseErrorsFromTemplates_, TrackerOfflineValidation_Dqm_cff::xmax, TrackerOfflineValidation_Dqm_cff::xmin, L1TOccupancyClient_cfi::ymax, and L1TOccupancyClient_cfi::ymin.

Referenced by localPosition().

◆ createClusterParam()

std::unique_ptr< PixelCPEBase::ClusterParam > PixelCPEGeneric::createClusterParam ( const SiPixelCluster & cl ) const

overrideprivatevirtual

Implements PixelCPEBase.

Definition at line 146 of file PixelCPEGeneric.cc.

                                                                                                           {
   return std::make_unique<ClusterParamGeneric>(cl);
 }

References GetRecoTauVFromDQM_MC_cff::cl.

◆ err2X()

float PixelCPEGeneric::err2X	(	bool &	,
		int &
	)		const

private

◆ err2Y()

float PixelCPEGeneric::err2Y	(	bool &	,
		int &
	)		const

private

◆ fillPSetDescription()

void PixelCPEGeneric::fillPSetDescription ( edm::ParameterSetDescription & desc )

static

Definition at line 630 of file PixelCPEGeneric.cc.

                                                                           {
   desc.add<double>("eff_charge_cut_highX", 1.0);
   desc.add<double>("eff_charge_cut_highY", 1.0);
   desc.add<double>("eff_charge_cut_lowX", 0.0);
   desc.add<double>("eff_charge_cut_lowY", 0.0);
   desc.add<double>("size_cutX", 3.0);
   desc.add<double>("size_cutY", 3.0);
   desc.add<double>("EdgeClusterErrorX", 50.0);
   desc.add<double>("EdgeClusterErrorY", 85.0);
   desc.add<bool>("inflate_errors", false);
   desc.add<bool>("inflate_all_errors_no_trk_angle", false);
   desc.add<bool>("NoTemplateErrorsWhenNoTrkAngles", false);
   desc.add<bool>("UseErrorsFromTemplates", true);
   desc.add<bool>("TruncatePixelCharge", true);
   desc.add<bool>("IrradiationBiasCorrection", false);
   desc.add<bool>("DoCosmics", false);
   desc.add<bool>("Upgrade", false);
   desc.add<bool>("SmallPitch", false);
 }

References edm::ParameterSetDescription::add().

Referenced by PixelCPEGenericESProducer::fillDescriptions().

◆ localError()

LocalError PixelCPEGeneric::localError	(	DetParam const &	theDetParam,
		ClusterParam &	theClusterParam
	)		const

overrideprivatevirtual

Implements PixelCPEBase.

Definition at line 449 of file PixelCPEGeneric.cc.

                                                                                                            {
   ClusterParamGeneric& theClusterParam = static_cast<ClusterParamGeneric&>(theClusterParamBase);
  
   const bool localPrint = false;
   // Default errors are the maximum error used for edge clusters.
   // These are determined by looking at residuals for edge clusters
   float xerr = EdgeClusterErrorX_ * micronsToCm;
   float yerr = EdgeClusterErrorY_ * micronsToCm;
  
   // Find if cluster is at the module edge.
   int maxPixelCol = theClusterParam.theCluster->maxPixelCol();
   int maxPixelRow = theClusterParam.theCluster->maxPixelRow();
   int minPixelCol = theClusterParam.theCluster->minPixelCol();
   int minPixelRow = theClusterParam.theCluster->minPixelRow();
  
   bool edgex = (theDetParam.theRecTopol->isItEdgePixelInX(minPixelRow)) ||
                (theDetParam.theRecTopol->isItEdgePixelInX(maxPixelRow));
   bool edgey = (theDetParam.theRecTopol->isItEdgePixelInY(minPixelCol)) ||
                (theDetParam.theRecTopol->isItEdgePixelInY(maxPixelCol));
  
   unsigned int sizex = theClusterParam.theCluster->sizeX();
   unsigned int sizey = theClusterParam.theCluster->sizeY();
   if (MYDEBUG) {
     if (int(sizex) != (maxPixelRow - minPixelRow + 1))
       cout << " wrong x" << endl;
     if (int(sizey) != (maxPixelCol - minPixelCol + 1))
       cout << " wrong y" << endl;
   }
  
   // Find if cluster contains double (big) pixels.
   bool bigInX = theDetParam.theRecTopol->containsBigPixelInX(minPixelRow, maxPixelRow);
   bool bigInY = theDetParam.theRecTopol->containsBigPixelInY(minPixelCol, maxPixelCol);
  
   if (localPrint) {
     cout << " edge clus " << xerr << " " << yerr << endl;  //dk
     if (bigInX || bigInY)
       cout << " big " << bigInX << " " << bigInY << endl;
     if (edgex || edgey)
       cout << " edge " << edgex << " " << edgey << endl;
     cout << " before if " << UseErrorsFromTemplates_ << " " << theClusterParam.qBin_ << endl;
     if (theClusterParam.qBin_ == 0)
       cout << " qbin 0! " << edgex << " " << edgey << " " << bigInX << " " << bigInY << " " << sizex << " " << sizey
            << endl;
   }
  
   bool useTempErrors =
       UseErrorsFromTemplates_ && (!NoTemplateErrorsWhenNoTrkAngles_ || theClusterParam.with_track_angle);
  
   if
     LIKELY(useTempErrors) {
       //
       // Use template errors
  
       if (!edgex) {  // Only use this for non-edge clusters
         if (sizex == 1) {
           if (!bigInX) {
             xerr = theClusterParam.sx1;
           } else {
             xerr = theClusterParam.sx2;
           }
         } else {
           xerr = theClusterParam.sigmax;
         }
       }
  
       if (!edgey) {  // Only use for non-edge clusters
         if (sizey == 1) {
           if (!bigInY) {
             yerr = theClusterParam.sy1;
           } else {
             yerr = theClusterParam.sy2;
           }
         } else {
           yerr = theClusterParam.sigmay;
         }
       }
  
       if (localPrint) {
         cout << " in if " << edgex << " " << edgey << " " << sizex << " " << sizey << endl;
         cout << " errors  " << xerr << " " << yerr << " " << theClusterParam.sx1 << " " << theClusterParam.sx2 << " "
              << theClusterParam.sigmax << endl;  //dk
       }
     }
   else {  // simple errors
  
     // This are the simple errors, hardcoded in the code
     //cout << "Track angles are not known " << endl;
     //cout << "Default angle estimation which assumes track from PV (0,0,0) does not work." << endl;
  
     if (GeomDetEnumerators::isTrackerPixel(theDetParam.thePart)) {
       if (GeomDetEnumerators::isBarrel(theDetParam.thePart)) {
         DetId id = (theDetParam.theDet->geographicalId());
         int layer = ttopo_.layer(id);
         if (layer == 1) {
           if (!edgex) {
             if (sizex <= xerr_barrel_l1_.size())
               xerr = xerr_barrel_l1_[sizex - 1];
             else
               xerr = xerr_barrel_l1_def_;
           }
  
           if (!edgey) {
             if (sizey <= yerr_barrel_l1_.size())
               yerr = yerr_barrel_l1_[sizey - 1];
             else
               yerr = yerr_barrel_l1_def_;
           }
         } else {  // layer 2,3
           if (!edgex) {
             if (sizex <= xerr_barrel_ln_.size())
               xerr = xerr_barrel_ln_[sizex - 1];
             else
               xerr = xerr_barrel_ln_def_;
           }
  
           if (!edgey) {
             if (sizey <= yerr_barrel_ln_.size())
               yerr = yerr_barrel_ln_[sizey - 1];
             else
               yerr = yerr_barrel_ln_def_;
           }
         }
  
       } else {  // EndCap
  
         if (!edgex) {
           if (sizex <= xerr_endcap_.size())
             xerr = xerr_endcap_[sizex - 1];
           else
             xerr = xerr_endcap_def_;
         }
  
         if (!edgey) {
           if (sizey <= yerr_endcap_.size())
             yerr = yerr_endcap_[sizey - 1];
           else
             yerr = yerr_endcap_def_;
         }
       }  // end endcap
     }
  
     if (inflate_errors) {
       int n_bigx = 0;
       int n_bigy = 0;
  
       for (int irow = 0; irow < 7; ++irow) {
         if (theDetParam.theRecTopol->isItBigPixelInX(irow + minPixelRow))
           ++n_bigx;
       }
  
       for (int icol = 0; icol < 21; ++icol) {
         if (theDetParam.theRecTopol->isItBigPixelInY(icol + minPixelCol))
           ++n_bigy;
       }
  
       xerr = (float)(sizex + n_bigx) * theDetParam.thePitchX / std::sqrt(12.0f);
       yerr = (float)(sizey + n_bigy) * theDetParam.thePitchY / std::sqrt(12.0f);
  
     }  // if(inflate_errors)
  
   }  // end
  
 #ifdef EDM_ML_DEBUG
   if (!(xerr > 0.0))
     throw cms::Exception("PixelCPEGeneric::localError") << "\nERROR: Negative pixel error xerr = " << xerr << "\n\n";
  
   if (!(yerr > 0.0))
     throw cms::Exception("PixelCPEGeneric::localError") << "\nERROR: Negative pixel error yerr = " << yerr << "\n\n";
 #endif
  
   //if(localPrint) {
   //cout<<" errors  "<<xerr<<" "<<yerr<<endl;  //dk
   //if(theClusterParam.qBin_ == 0) cout<<" qbin 0 "<<xerr<<" "<<yerr<<endl;
   //}
  
   auto xerr_sq = xerr * xerr;
   auto yerr_sq = yerr * yerr;
  
   return LocalError(xerr_sq, 0, yerr_sq);
 }

References RectangularPixelTopology::containsBigPixelInX(), RectangularPixelTopology::containsBigPixelInY(), gather_cfg::cout, EdgeClusterErrorX_, EdgeClusterErrorY_, Exception, f, dqmMemoryStats::float, GeomDet::geographicalId(), inflate_errors, GeomDetEnumerators::isBarrel(), RectangularPixelTopology::isItBigPixelInX(), RectangularPixelTopology::isItBigPixelInY(), RectangularPixelTopology::isItEdgePixelInX(), RectangularPixelTopology::isItEdgePixelInY(), GeomDetEnumerators::isTrackerPixel(), TrackerTopology::layer(), LIKELY, SiPixelCluster::maxPixelCol(), SiPixelCluster::maxPixelRow(), SiPixelCluster::minPixelCol(), SiPixelCluster::minPixelRow(), NoTemplateErrorsWhenNoTrkAngles_, PixelCPEBase::ClusterParam::qBin_, PixelCPEGeneric::ClusterParamGeneric::sigmax, PixelCPEGeneric::ClusterParamGeneric::sigmay, SiPixelCluster::sizeX(), SiPixelCluster::sizeY(), mathSSE::sqrt(), PixelCPEGeneric::ClusterParamGeneric::sx1, PixelCPEGeneric::ClusterParamGeneric::sx2, PixelCPEGeneric::ClusterParamGeneric::sy1, PixelCPEGeneric::ClusterParamGeneric::sy2, PixelCPEBase::ClusterParam::theCluster, PixelCPEBase::DetParam::theDet, PixelCPEBase::DetParam::thePart, PixelCPEBase::DetParam::thePitchX, PixelCPEBase::DetParam::thePitchY, PixelCPEBase::DetParam::theRecTopol, PixelCPEBase::ttopo_, UseErrorsFromTemplates_, PixelCPEBase::ClusterParam::with_track_angle, xerr_barrel_l1_, xerr_barrel_l1_def_, xerr_barrel_ln_, xerr_barrel_ln_def_, xerr_endcap_, xerr_endcap_def_, yerr_barrel_l1_, yerr_barrel_l1_def_, yerr_barrel_ln_, yerr_barrel_ln_def_, yerr_endcap_, and yerr_endcap_def_.

◆ localPosition()

LocalPoint PixelCPEGeneric::localPosition	(	DetParam const &	theDetParam,
		ClusterParam &	theClusterParamBase
	)		const

overrideprivatevirtual

Hit position in the local frame (in cm). Unlike other CPE's, this one converts everything from the measurement frame (in channel numbers) into the local frame (in centimeters).

< Q of the first pixel in X

< Q of the last pixel in X

< Q of the first pixel in Y

< Q of the last pixel in Y

Implements PixelCPEBase.

Definition at line 155 of file PixelCPEGeneric.cc.

                                                                                                               {
   ClusterParamGeneric& theClusterParam = static_cast<ClusterParamGeneric&>(theClusterParamBase);
  
   //cout<<" in PixelCPEGeneric:localPosition - "<<endl; //dk
  
   float chargeWidthX = (theDetParam.lorentzShiftInCmX * theDetParam.widthLAFractionX);
   float chargeWidthY = (theDetParam.lorentzShiftInCmY * theDetParam.widthLAFractionY);
   float shiftX = 0.5f * theDetParam.lorentzShiftInCmX;
   float shiftY = 0.5f * theDetParam.lorentzShiftInCmY;
  
   //cout<<" main la width "<<chargeWidthX<<" "<<chargeWidthY<<endl;
  
   if (UseErrorsFromTemplates_) {
     float qclus = theClusterParam.theCluster->charge();
     float locBz = theDetParam.bz;
     float locBx = theDetParam.bx;
     //cout << "PixelCPEGeneric::localPosition(...) : locBz = " << locBz << endl;
  
     theClusterParam.pixmx = -999;     // max pixel charge for truncation of 2-D cluster
     theClusterParam.sigmay = -999.9;  // CPE Generic y-error for multi-pixel cluster
     theClusterParam.deltay = -999.9;  // CPE Generic y-bias for multi-pixel cluster
     theClusterParam.sigmax = -999.9;  // CPE Generic x-error for multi-pixel cluster
     theClusterParam.deltax = -999.9;  // CPE Generic x-bias for multi-pixel cluster
     theClusterParam.sy1 = -999.9;     // CPE Generic y-error for single single-pixel
     theClusterParam.dy1 = -999.9;     // CPE Generic y-bias for single single-pixel cluster
     theClusterParam.sy2 = -999.9;     // CPE Generic y-error for single double-pixel cluster
     theClusterParam.dy2 = -999.9;     // CPE Generic y-bias for single double-pixel cluster
     theClusterParam.sx1 = -999.9;     // CPE Generic x-error for single single-pixel cluster
     theClusterParam.dx1 = -999.9;     // CPE Generic x-bias for single single-pixel cluster
     theClusterParam.sx2 = -999.9;     // CPE Generic x-error for single double-pixel cluster
     theClusterParam.dx2 = -999.9;     // CPE Generic x-bias for single double-pixel cluster
  
     SiPixelGenError gtempl(thePixelGenError_);
     int gtemplID_ = theDetParam.detTemplateId;
  
     //int gtemplID0 = genErrorDBObject_->getGenErrorID(theDetParam.theDet->geographicalId().rawId());
     //if(gtemplID0!=gtemplID_) cout<<" different id "<< gtemplID_<<" "<<gtemplID0<<endl;
  
     theClusterParam.qBin_ = gtempl.qbin(gtemplID_,
                                         theClusterParam.cotalpha,
                                         theClusterParam.cotbeta,
                                         locBz,
                                         locBx,
                                         qclus,
                                         IrradiationBiasCorrection_,
                                         theClusterParam.pixmx,
                                         theClusterParam.sigmay,
                                         theClusterParam.deltay,
                                         theClusterParam.sigmax,
                                         theClusterParam.deltax,
                                         theClusterParam.sy1,
                                         theClusterParam.dy1,
                                         theClusterParam.sy2,
                                         theClusterParam.dy2,
                                         theClusterParam.sx1,
                                         theClusterParam.dx1,
                                         theClusterParam.sx2,
                                         theClusterParam.dx2);
  
     // now use the charge widths stored in the new generic template headers (change to the
     // incorrect sign convention of the base class)
     bool useLAWidthFromGenError = false;
     if (useLAWidthFromGenError) {
       chargeWidthX = (-micronsToCm * gtempl.lorxwidth());
       chargeWidthY = (-micronsToCm * gtempl.lorywidth());
       if (MYDEBUG)
         cout << " redefine la width (gen-error) " << chargeWidthX << " " << chargeWidthY << endl;
     }
     if (MYDEBUG)
       cout << " GenError: " << gtemplID_ << endl;
  
     // These numbers come in microns from the qbin(...) call. Transform them to cm.
     theClusterParam.deltax = theClusterParam.deltax * micronsToCm;
     theClusterParam.dx1 = theClusterParam.dx1 * micronsToCm;
     theClusterParam.dx2 = theClusterParam.dx2 * micronsToCm;
  
     theClusterParam.deltay = theClusterParam.deltay * micronsToCm;
     theClusterParam.dy1 = theClusterParam.dy1 * micronsToCm;
     theClusterParam.dy2 = theClusterParam.dy2 * micronsToCm;
  
     theClusterParam.sigmax = theClusterParam.sigmax * micronsToCm;
     theClusterParam.sx1 = theClusterParam.sx1 * micronsToCm;
     theClusterParam.sx2 = theClusterParam.sx2 * micronsToCm;
  
     theClusterParam.sigmay = theClusterParam.sigmay * micronsToCm;
     theClusterParam.sy1 = theClusterParam.sy1 * micronsToCm;
     theClusterParam.sy2 = theClusterParam.sy2 * micronsToCm;
  
   }  // if ( UseErrorsFromTemplates_ )
   else {
     theClusterParam.qBin_ = 0;
   }
  
   int Q_f_X;  
   int Q_l_X;  
   int Q_f_Y;  
   int Q_l_Y;  
   collect_edge_charges(theClusterParam, Q_f_X, Q_l_X, Q_f_Y, Q_l_Y);
  
   //--- Find the inner widths along X and Y in one shot.  We
   //--- compute the upper right corner of the inner pixels
   //--- (== lower left corner of upper right pixel) and
   //--- the lower left corner of the inner pixels
   //--- (== upper right corner of lower left pixel), and then
   //--- subtract these two points in the formula.
  
   //--- Upper Right corner of Lower Left pixel -- in measurement frame
   MeasurementPoint meas_URcorn_LLpix(theClusterParam.theCluster->minPixelRow() + 1.0,
                                      theClusterParam.theCluster->minPixelCol() + 1.0);
  
   //--- Lower Left corner of Upper Right pixel -- in measurement frame
   MeasurementPoint meas_LLcorn_URpix(theClusterParam.theCluster->maxPixelRow(),
                                      theClusterParam.theCluster->maxPixelCol());
  
   //--- These two now converted into the local
   LocalPoint local_URcorn_LLpix;
   LocalPoint local_LLcorn_URpix;
  
   // PixelCPEGeneric can be used with or without track angles
   // If PixelCPEGeneric is called with track angles, use them to correct for bows/kinks:
   if (theClusterParam.with_track_angle) {
     local_URcorn_LLpix = theDetParam.theTopol->localPosition(meas_URcorn_LLpix, theClusterParam.loc_trk_pred);
     local_LLcorn_URpix = theDetParam.theTopol->localPosition(meas_LLcorn_URpix, theClusterParam.loc_trk_pred);
   } else {
     local_URcorn_LLpix = theDetParam.theTopol->localPosition(meas_URcorn_LLpix);
     local_LLcorn_URpix = theDetParam.theTopol->localPosition(meas_LLcorn_URpix);
   }
  
 #ifdef EDM_ML_DEBUG
   if (theVerboseLevel > 20) {
     cout << "\n\t >>> theClusterParam.theCluster->x = " << theClusterParam.theCluster->x()
          << "\n\t >>> theClusterParam.theCluster->y = " << theClusterParam.theCluster->y()
          << "\n\t >>> cluster: minRow = " << theClusterParam.theCluster->minPixelRow()
          << "  minCol = " << theClusterParam.theCluster->minPixelCol()
          << "\n\t >>> cluster: maxRow = " << theClusterParam.theCluster->maxPixelRow()
          << "  maxCol = " << theClusterParam.theCluster->maxPixelCol()
          << "\n\t >>> meas: inner lower left  = " << meas_URcorn_LLpix.x() << "," << meas_URcorn_LLpix.y()
          << "\n\t >>> meas: inner upper right = " << meas_LLcorn_URpix.x() << "," << meas_LLcorn_URpix.y() << endl;
   }
 #endif
  
   //--- &&& Note that the cuts below should not be hardcoded (like in Orca and
   //--- &&& CPEFromDetPosition/PixelCPEInitial), but rather be
   //--- &&& externally settable (but tracked) parameters.
  
   //--- Position, including the half lorentz shift
  
 #ifdef EDM_ML_DEBUG
   if (theVerboseLevel > 20)
     cout << "\t >>> Generic:: processing X" << endl;
 #endif
  
   float xPos = SiPixelUtils::generic_position_formula(
       theClusterParam.theCluster->sizeX(),
       Q_f_X,
       Q_l_X,
       local_URcorn_LLpix.x(),
       local_LLcorn_URpix.x(),
       chargeWidthX,  // lorentz shift in cm
       theDetParam.theThickness,
       theClusterParam.cotalpha,
       theDetParam.thePitchX,
       theDetParam.theRecTopol->isItBigPixelInX(theClusterParam.theCluster->minPixelRow()),
       theDetParam.theRecTopol->isItBigPixelInX(theClusterParam.theCluster->maxPixelRow()),
       the_eff_charge_cut_lowX,
       the_eff_charge_cut_highX,
       the_size_cutX);  // cut for eff charge width &&&
  
   // apply the lorentz offset correction
   xPos = xPos + shiftX;
  
 #ifdef EDM_ML_DEBUG
   if (theVerboseLevel > 20)
     cout << "\t >>> Generic:: processing Y" << endl;
 #endif
  
   float yPos = SiPixelUtils::generic_position_formula(
       theClusterParam.theCluster->sizeY(),
       Q_f_Y,
       Q_l_Y,
       local_URcorn_LLpix.y(),
       local_LLcorn_URpix.y(),
       chargeWidthY,  // lorentz shift in cm
       theDetParam.theThickness,
       theClusterParam.cotbeta,
       theDetParam.thePitchY,
       theDetParam.theRecTopol->isItBigPixelInY(theClusterParam.theCluster->minPixelCol()),
       theDetParam.theRecTopol->isItBigPixelInY(theClusterParam.theCluster->maxPixelCol()),
       the_eff_charge_cut_lowY,
       the_eff_charge_cut_highY,
       the_size_cutY);  // cut for eff charge width &&&
  
   // apply the lorentz offset correction
   yPos = yPos + shiftY;
  
   // Apply irradiation corrections
   if (IrradiationBiasCorrection_) {
     if (theClusterParam.theCluster->sizeX() == 1) {  // size=1
       // ggiurgiu@jhu.edu, 02/03/09 : for size = 1, the Lorentz shift is already accounted by the irradiation correction
       //float tmp1 =  (0.5 * theDetParam.lorentzShiftInCmX);
       //cout << "Apply correction correction_dx1 = " << theClusterParam.dx1 << " to xPos = " << xPos;
       xPos = xPos - (0.5f * theDetParam.lorentzShiftInCmX);
       // Find if pixel is double (big).
       bool bigInX = theDetParam.theRecTopol->isItBigPixelInX(theClusterParam.theCluster->maxPixelRow());
       if (!bigInX)
         xPos -= theClusterParam.dx1;
       else
         xPos -= theClusterParam.dx2;
       //cout<<" to "<<xPos<<" "<<(tmp1+theClusterParam.dx1)<<endl;
     } else {  // size>1
       //cout << "Apply correction correction_deltax = " << theClusterParam.deltax << " to xPos = " << xPos;
       xPos -= theClusterParam.deltax;
       //cout<<" to "<<xPos<<endl;
     }
  
     if (theClusterParam.theCluster->sizeY() == 1) {
       // ggiurgiu@jhu.edu, 02/03/09 : for size = 1, the Lorentz shift is already accounted by the irradiation correction
       yPos = yPos - (0.5f * theDetParam.lorentzShiftInCmY);
  
       // Find if pixel is double (big).
       bool bigInY = theDetParam.theRecTopol->isItBigPixelInY(theClusterParam.theCluster->maxPixelCol());
       if (!bigInY)
         yPos -= theClusterParam.dy1;
       else
         yPos -= theClusterParam.dy2;
  
     } else {
       //cout << "Apply correction correction_deltay = " << theClusterParam.deltay << " to yPos = " << yPos << endl;
       yPos -= theClusterParam.deltay;
     }
  
   }  // if ( IrradiationBiasCorrection_ )
  
   //cout<<" in PixelCPEGeneric:localPosition - pos = "<<xPos<<" "<<yPos<<endl; //dk
  
   //--- Now put the two together
   LocalPoint pos_in_local(xPos, yPos);
   return pos_in_local;
 }