#include <PixelCPEBase.h>

Inheritance diagram for PixelCPEBase:

Classes
struct	Param

Public Member Functions
unsigned int	clusterProbComputationFlag () const

bool	hasBadPixels () const

bool	hasFilledProb () const

bool	isOnEdge () const

virtual LocalError	localError (const SiPixelCluster &cl, const GeomDetUnit &det) const =0

LocalValues	localParameters (const SiPixelCluster &cl, const GeomDetUnit &det) const

LocalValues	localParameters (const SiPixelCluster &cl, const GeomDetUnit &det, const LocalTrajectoryParameters &ltp) const

LocalValues	localParameters (const SiPixelCluster &cl, const GeomDetUnit &det, float alpha, float beta) const

virtual LocalPoint	localPosition (const SiPixelCluster &cl, const GeomDetUnit &det) const

	PixelCPEBase (edm::ParameterSet const &conf, const MagneticField mag=0, const SiPixelLorentzAngle lorentzAngle=0, const SiPixelCPEGenericErrorParm genErrorParm=0, const SiPixelTemplateDBObject templateDBobject=0)

float	probabilityQ () const

float	probabilityX () const

float	probabilityXY () const

float	probabilityY () const

float	qBin () const

SiPixelRecHitQuality::QualWordType	rawQualityWord () const

void	setMagField (const MagneticField *mag) const

bool	spansTwoRocks () const

Public Member Functions inherited from ClusterParameterEstimator< T >
virtual void	clearParameters () const

virtual void	enterLocalParameters (unsigned int id, std::pair< int, int > &row_col, LocalValues pos_err_info) const

virtual void	enterLocalParameters (uint32_t id, uint16_t firstStrip, LocalValues pos_err_info) const

virtual LocalValues	localParameters (const T &, const GeomDetUnit &) const =0

virtual LocalValues	localParameters (const T &cluster, const GeomDetUnit &gd, const LocalTrajectoryParameters &) const

virtual LocalValues	localParameters (const T &cluster, const GeomDetUnit &gd, const TrajectoryStateOnSurface &tsos) const

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

virtual VLocalValues	localParametersV (const T &cluster, const GeomDetUnit &gd, const LocalTrajectoryParameters &ltp) const

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

virtual	~ClusterParameterEstimator ()

Protected Types
typedef GloballyPositioned < double >	Frame

Protected Member Functions
void	computeAnglesFromDetPosition (const SiPixelCluster &cl, const GeomDetUnit &det) const

void	computeAnglesFromTrajectory (const SiPixelCluster &cl, const GeomDetUnit &det, const LocalTrajectoryParameters &ltp) const

void	computeLorentzShifts () const

LocalVector	driftDirection (GlobalVector bfield) const

LocalVector	driftDirectionCorrect (GlobalVector bfield) const

bool	isFlipped () const

virtual float	lorentzShiftX () const

virtual float	lorentzShiftY () const

MeasurementError	measurementError (const SiPixelCluster &, const GeomDetUnit &det) const

MeasurementPoint	measurementPosition (const SiPixelCluster &, const GeomDetUnit &det) const

void	setTheDet (const GeomDetUnit &det, const SiPixelCluster &cluster) const

void	xCharge (const std::vector< SiPixelCluster::Pixel > &, const int &, const int &, float &q1, float &q2) const

virtual float	xpos (const SiPixelCluster &) const =0

void	yCharge (const std::vector< SiPixelCluster::Pixel > &, const int &, const int &, float &q1, float &q2) const

virtual float	ypos (const SiPixelCluster &) const =0

Protected Attributes
bool	alpha2Order

float	alpha_

float	beta_

unsigned int	clusterProbComputationFlag_

float	cotalpha_

float	cotbeta_

LocalVector	driftDirection_

const SiPixelCPEGenericErrorParm *	genErrorParm_

bool	hasBadPixels_

bool	hasFilledProb_

bool	isOnEdge_

LocalTrajectoryParameters	loc_traj_param_

Topology::LocalTrackPred	loc_trk_pred_

const SiPixelLorentzAngle *	lorentzAngle_

double	lorentzShiftInCmX_

double	lorentzShiftInCmY_

double	lorentzShiftX_

double	lorentzShiftY_

const MagneticField *	magfield_

int	nRecHitsTotal_

int	nRecHitsUsedEdge_

float	probabilityQ_

float	probabilityX_

float	probabilityY_

float	qBin_

bool	spansTwoROCs_

const SiPixelTemplateDBObject *	templateDBobject_

const PixelGeomDetUnit *	theDet

float	theDetR

float	theDetZ

float	theLShiftX

float	theLShiftY

float	theNumOfCol

float	theNumOfRow

GeomDetType::SubDetector	thePart

float	thePitchX

float	thePitchY

float	theSign

float	theThickness

const PixelTopology *	theTopol

int	theVerboseLevel

float	trk_lp_x

float	trk_lp_y

bool	with_track_angle

Private Types
typedef __gnu_cxx::hash_map < unsigned int, Param >	Params

Private Attributes
Params	m_Params

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

typedef std::vector< LocalValues >	VLocalValues

Detailed Description

Definition at line 53 of file PixelCPEBase.h.

Member Typedef Documentation

typedef GloballyPositioned<double> PixelCPEBase::Frame

protected

Definition at line 175 of file PixelCPEBase.h.

typedef __gnu_cxx::hash_map< unsigned int, Param> PixelCPEBase::Params

private

Definition at line 353 of file PixelCPEBase.h.

Constructor & Destructor Documentation

PixelCPEBase::PixelCPEBase	(	edm::ParameterSet const &	conf,
		const MagneticField *	mag = `0`,
		const SiPixelLorentzAngle *	lorentzAngle = `0`,
		const SiPixelCPEGenericErrorParm *	genErrorParm = `0`,
		const SiPixelTemplateDBObject *	templateDBobject = `0`
	)

Definition at line 44 of file PixelCPEBase.cc.

References alpha2Order, clusterProbComputationFlag_, genErrorParm_, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), lorentzAngle_, mag(), magfield_, templateDBobject_, and theVerboseLevel.

   : theDet(0), nRecHitsTotal_(0), nRecHitsUsedEdge_(0),
     probabilityX_(0.0), probabilityY_(0.0),
     probabilityQ_(0.0), qBin_(0),
     isOnEdge_(0), hasBadPixels_(0),
     spansTwoROCs_(0),
     hasFilledProb_(0), clusterProbComputationFlag_(0),
     loc_trk_pred_(0.0, 0.0, 0.0, 0.0)
 {
   //--- Lorentz angle tangent per Tesla
   //   theTanLorentzAnglePerTesla =
 
   //     conf.getParameter<double>("TanLorentzAnglePerTesla");
   lorentzAngle_ = lorentzAngle;
   /*    if(!lorentzAngle_)
     theTanLorentzAnglePerTesla =
     conf.getParameter<double>("TanLorentzAnglePerTesla");
   */
   
   //--- Algorithm's verbosity
   theVerboseLevel = 
     conf.getUntrackedParameter<int>("VerboseLevel",0);
   
   //-- Magnetic Field
   magfield_ = mag;
   
   //-- Error Parametriaztion from DB for CPE Generic
   genErrorParm_ = genErrorParm;
   
   //-- Template Calibration Object from DB
   templateDBobject_ = templateDBobject;
   
   //-- Switch on/off E.B 
   alpha2Order = conf.getParameter<bool>("Alpha2Order");
   
   //--- A flag that could be used to change the behavior of
   //--- clusterProbability() in TSiPixelRecHit (the *transient* one).  
   //--- The problem is that the transient hits are made after the CPE runs
   //--- and they don't get the access to the PSet, so we pass it via the
   //--- CPE itself...
   //
   clusterProbComputationFlag_ 
     = (unsigned int) conf.getParameter<int>("ClusterProbComputationFlag");
   
 }

Member Function Documentation

unsigned int PixelCPEBase::clusterProbComputationFlag ( ) const

inline

Definition at line 156 of file PixelCPEBase.h.

References clusterProbComputationFlag_.

Referenced by TSiPixelRecHit::TSiPixelRecHit().

     { 
       return clusterProbComputationFlag_ ; 
     }

void PixelCPEBase::computeAnglesFromDetPosition	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det
	)		const

protected

Definition at line 223 of file PixelCPEBase.cc.

References alpha_, beta_, cotalpha_, cotbeta_, edm::hlt::Exception, Topology::localPosition(), mathSSE::sqrt(), GeomDet::surface(), theDet, theTopol, Surface::toGlobal(), with_track_angle, PV3DBase< T, PVType, FrameType >::x(), SiPixelCluster::x(), PV3DBase< T, PVType, FrameType >::y(), SiPixelCluster::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by localParameters().

 {
   //--- This is a new det unit, so cache it
   theDet = dynamic_cast<const PixelGeomDetUnit*>( &det );
   if ( ! theDet ) 
     {
       throw cms::Exception("PixelCPEBase::computeAngleFromDetPosition")
     << " Wrong pointer to pixel detector !!!" << endl;
     
     }
 
   // get cluster center of gravity (of charge)
   float xcenter = cl.x();
   float ycenter = cl.y();
   
   // get the cluster position in local coordinates (cm)
 
   // ggiurgiu@jhu.edu 12/09/2010 : This function is called without track info, therefore there are no track 
   // angles to provide here. Call the default localPosition (without track info)
   LocalPoint lp = theTopol->localPosition( MeasurementPoint(xcenter, ycenter) );
 
   // get the cluster position in global coordinates (cm)
   GlobalPoint gp = theDet->surface().toGlobal( lp );
   float gp_mod = sqrt( gp.x()*gp.x() + gp.y()*gp.y() + gp.z()*gp.z() );
 
   // normalize
   float gpx = gp.x()/gp_mod;
   float gpy = gp.y()/gp_mod;
   float gpz = gp.z()/gp_mod;
 
   // make a global vector out of the global point; this vector will point from the 
   // origin of the detector to the cluster
   GlobalVector gv(gpx, gpy, gpz);
 
   // make local unit vector along local X axis
   const Local3DVector lvx(1.0, 0.0, 0.0);
 
   // get the unit X vector in global coordinates/
   GlobalVector gvx = theDet->surface().toGlobal( lvx );
 
   // make local unit vector along local Y axis
   const Local3DVector lvy(0.0, 1.0, 0.0);
 
   // get the unit Y vector in global coordinates
   GlobalVector gvy = theDet->surface().toGlobal( lvy );
    
   // make local unit vector along local Z axis
   const Local3DVector lvz(0.0, 0.0, 1.0);
 
   // get the unit Z vector in global coordinates
   GlobalVector gvz = theDet->surface().toGlobal( lvz );
     
   // calculate the components of gv (the unit vector pointing to the cluster) 
   // in the local coordinate system given by the basis {gvx, gvy, gvz}
   // note that both gv and the basis {gvx, gvy, gvz} are given in global coordinates
   float gv_dot_gvx = gv.x()*gvx.x() + gv.y()*gvx.y() + gv.z()*gvx.z();
   float gv_dot_gvy = gv.x()*gvy.x() + gv.y()*gvy.y() + gv.z()*gvy.z();
   float gv_dot_gvz = gv.x()*gvz.x() + gv.y()*gvz.y() + gv.z()*gvz.z();
 
   // calculate angles
   alpha_ = atan2( gv_dot_gvz, gv_dot_gvx );
   beta_  = atan2( gv_dot_gvz, gv_dot_gvy );
 
   cotalpha_ = gv_dot_gvx / gv_dot_gvz;
   cotbeta_  = gv_dot_gvy / gv_dot_gvz;
 
   with_track_angle = false;
 }

void PixelCPEBase::computeAnglesFromTrajectory	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det,
		const LocalTrajectoryParameters &	ltp
	)		const

protected

Definition at line 298 of file PixelCPEBase.cc.

References alpha_, beta_, cotalpha_, cotbeta_, loc_traj_param_, loc_trk_pred_, PV3DBase< T, PVType, FrameType >::mag(), LocalTrajectoryParameters::mixedFormatVector(), LocalTrajectoryParameters::momentum(), LocalTrajectoryParameters::position(), trk_lp_x, trk_lp_y, with_track_angle, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by localParameters().

 {
   loc_traj_param_ = ltp;
 
   LocalVector localDir = ltp.momentum()/ltp.momentum().mag();
   
   // &&& Or, maybe we need to move to the local frame ???
   //  LocalVector localDir( theDet->toLocal(theState.globalDirection()));
   //thePart = theDet->type().part();
   
   float locx = localDir.x();
   float locy = localDir.y();
   float locz = localDir.z();
 
   /*
     // Danek's definition 
     alpha_ = acos(locx/sqrt(locx*locx+locz*locz));
     if ( isFlipped() )                    // &&& check for FPIX !!!
     alpha_ = PI - alpha_ ;
     beta_ = acos(locy/sqrt(locy*locy+locz*locz));
   */
 
   // &&& In the above, why not use atan2() ?
   // ggiurgiu@fnal.gov, 01/24/09 :  Use it now.
   alpha_ = atan2( locz, locx );
   beta_  = atan2( locz, locy );
 
   cotalpha_ = locx/locz;
   cotbeta_  = locy/locz;
 
   LocalPoint trk_lp = ltp.position();
   trk_lp_x = trk_lp.x();
   trk_lp_y = trk_lp.y();
   
   with_track_angle = true;
 
 
   // ggiurgiu@jhu.edu 12/09/2010 : needed to correct for bows/kinks
   AlgebraicVector5 vec_trk_parameters = ltp.mixedFormatVector();
   //loc_trk_pred = &Topology::LocalTrackPred( vec_trk_parameters );
   loc_trk_pred_ = Topology::LocalTrackPred( vec_trk_parameters );
   
 }

void PixelCPEBase::computeLorentzShifts ( ) const

protected

Definition at line 609 of file PixelCPEBase.cc.

References alpha2Order, driftDirection_, edm::hlt::Exception, GeomDet::geographicalId(), SiPixelLorentzAngle::getLorentzAngle(), MagneticField::inTesla(), LogDebug, lorentzAngle_, lorentzShiftInCmX_, lorentzShiftInCmY_, lorentzShiftX_, lorentzShiftY_, magfield_, GloballyPositioned< T >::position(), DetId::rawId(), GloballyPositioned< T >::rotation(), GeomDet::surface(), theDet, thePitchX, thePitchY, theThickness, theVerboseLevel, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by PixelCPEGeneric::localPosition().

 {
   Frame detFrame(theDet->surface().position(), theDet->surface().rotation());
   GlobalVector global_Bfield = magfield_->inTesla( theDet->surface().position() );
   LocalVector  Bfield        = detFrame.toLocal(global_Bfield);
   if(lorentzAngle_ == 0){
         throw cms::Exception("invalidPointer") << "[PixelCPEBase::computeLorentzShifts] zero pointer to lorentz angle record ";
     }
   double langle = lorentzAngle_->getLorentzAngle(theDet->geographicalId().rawId());
   double alpha2;
   if ( alpha2Order) {
     alpha2 = langle * langle;
   }
   else  {
     alpha2 = 0.0;
   }
 
   // **********************************************************************
   // Our convention is the following:
   // +x is defined by the direction of the Lorentz drift!
   // +z is defined by the direction of E field (so electrons always go into -z!)
   // +y is defined by +x and +z, and it turns out to be always opposite to the +B field.
   // **********************************************************************
       
   // Note correct signs for dir_x and dir_y!
   double dir_x = -( langle * Bfield.y() + alpha2* Bfield.z()* Bfield.x() );
   double dir_y =  ( langle * Bfield.x() - alpha2* Bfield.z()* Bfield.y() );
   double dir_z = -( 1                                       + alpha2* Bfield.z()* Bfield.z() );
 
   // &&& Why do we need to scale???
   //double scale = (1 + alpha2* Bfield.z()*Bfield.z() );
   double scale = fabs( dir_z );  // same as 1 + alpha2*Bfield.z()*Bfield.z()
   driftDirection_ = LocalVector(dir_x/scale, dir_y/scale, dir_z/scale );  // last is -1 !
 
   // Max shift (at the other side of the sensor) in cm 
   lorentzShiftInCmX_ = driftDirection_.x()/driftDirection_.z() * theThickness;  // &&& redundant
   // Express the shift in units of pitch, 
   lorentzShiftX_ = lorentzShiftInCmX_ / thePitchX ; 
    
   // Max shift (at the other side of the sensor) in cm 
   lorentzShiftInCmY_ = driftDirection_.y()/driftDirection_.z() * theThickness;  // &&& redundant
   // Express the shift in units of pitch, 
   lorentzShiftY_ = lorentzShiftInCmY_ / thePitchY;
 
 
   if ( theVerboseLevel > 9 ) {
     LogDebug("PixelCPEBase") << " The drift direction in local coordinate is " 
                  << driftDirection_    ;
     
 //     cout << "Lorentz Drift (in cm) along X = " << lorentzShiftInCmX_ << endl;
 //     cout << "Lorentz Drift (in cm) along Y = " << lorentzShiftInCmY_ << endl;
   }
 }

LocalVector PixelCPEBase::driftDirection ( GlobalVector bfield ) const

protected

Definition at line 577 of file PixelCPEBase.cc.

References alpha2Order, edm::hlt::Exception, GeomDet::geographicalId(), SiPixelLorentzAngle::getLorentzAngle(), LogDebug, lorentzAngle_, GloballyPositioned< T >::position(), DetId::rawId(), GloballyPositioned< T >::rotation(), GeomDet::surface(), theDet, and theVerboseLevel.

Referenced by lorentzShiftX(), and lorentzShiftY().

                                                         {
 
     Frame detFrame(theDet->surface().position(), theDet->surface().rotation());
     LocalVector Bfield = detFrame.toLocal(bfield);
 
     if(lorentzAngle_ == 0){
         throw cms::Exception("invalidPointer") << "[PixelCPEBase::driftDirection] zero pointer to lorentz angle record ";
     }
     double langle = lorentzAngle_->getLorentzAngle(theDet->geographicalId().rawId());
     float alpha2;
     if (alpha2Order) {
         alpha2 = langle*langle;
     } else {
         alpha2 = 0.0;
     }
     // &&& dir_x should have a "-" and dir_y a "+"
     float dir_x =  ( langle * Bfield.y() + alpha2* Bfield.z()* Bfield.x() );
     float dir_y = -( langle * Bfield.x() - alpha2* Bfield.z()* Bfield.y() );
     float dir_z = -( 1 + alpha2* Bfield.z()*Bfield.z() );
     float scale = (1 + alpha2* Bfield.z()*Bfield.z() );
     LocalVector theDriftDirection = LocalVector(dir_x/scale, dir_y/scale, dir_z/scale );
     if ( theVerboseLevel > 9 ) 
         LogDebug("PixelCPEBase") << " The drift direction in local coordinate is " 
                     << theDriftDirection    ;
     
     return theDriftDirection;
 }

LocalVector PixelCPEBase::driftDirectionCorrect ( GlobalVector bfield ) const

protected

bool PixelCPEBase::hasBadPixels ( ) const

inline

Definition at line 149 of file PixelCPEBase.h.

References hasBadPixels_.

149 { return hasBadPixels_ ; }

PixelCPEBase::hasBadPixels_

bool hasBadPixels_

Definition: PixelCPEBase.h:228

bool PixelCPEBase::hasFilledProb ( ) const

inline

Definition at line 151 of file PixelCPEBase.h.

References hasFilledProb_.

151 { return hasFilledProb_ ; }

PixelCPEBase::hasFilledProb_

bool hasFilledProb_

Definition: PixelCPEBase.h:230

bool PixelCPEBase::isFlipped ( ) const

protected

Definition at line 421 of file PixelCPEBase.cc.

References PV3DBase< T, PVType, FrameType >::perp(), GeomDet::surface(), theDet, and Surface::toGlobal().

Referenced by setTheDet().

 {
   // Check the relative position of the local +/- z in global coordinates.
   float tmp1 = theDet->surface().toGlobal(Local3DPoint(0.,0.,0.)).perp();
   float tmp2 = theDet->surface().toGlobal(Local3DPoint(0.,0.,1.)).perp();
   //cout << " 1: " << tmp1 << " 2: " << tmp2 << endl;
   if ( tmp2<tmp1 ) return true;
   else return false;    
 }

bool PixelCPEBase::isOnEdge ( ) const

inline

Definition at line 148 of file PixelCPEBase.h.

References isOnEdge_.

148 { return isOnEdge_ ; }

PixelCPEBase::isOnEdge_

bool isOnEdge_

Definition: PixelCPEBase.h:227

virtual LocalError PixelCPEBase::localError	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det
	)		const

pure virtual

Implemented in PixelCPEGeneric, and PixelCPETemplateReco.

Referenced by localParameters(), and measurementError().

LocalValues PixelCPEBase::localParameters	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det
	)		const

inline

Definition at line 65 of file PixelCPEBase.h.

References computeAnglesFromDetPosition(), asciidump::le, localError(), localPosition(), nRecHitsTotal_, and setTheDet().

     {
       nRecHitsTotal_++ ;
       setTheDet( det, cl );
       computeAnglesFromDetPosition(cl, det);
       
       // localPosition( cl, det ) must be called before localError( cl, det ) !!!
       LocalPoint lp = localPosition( cl, det );
       LocalError le = localError( cl, det );        
       
       return std::make_pair( lp, le );
     }

LocalValues PixelCPEBase::localParameters	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det,
		const LocalTrajectoryParameters &	ltp
	)		const

inline

Definition at line 82 of file PixelCPEBase.h.

References computeAnglesFromTrajectory(), asciidump::le, localError(), localPosition(), nRecHitsTotal_, and setTheDet().

     {
       nRecHitsTotal_++ ;
       setTheDet( det, cl );
       computeAnglesFromTrajectory(cl, det, ltp);
       
       // localPosition( cl, det ) must be called before localError( cl, det ) !!!
       LocalPoint lp = localPosition( cl, det ); 
       LocalError le = localError( cl, det );        
       
       return std::make_pair( lp, le );
     } 

LocalValues PixelCPEBase::localParameters	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det,
		float	alpha,
		float	beta
	)		const

inline

Definition at line 100 of file PixelCPEBase.h.

References alpha, alpha_, beta, beta_, cotalpha_, cotbeta_, asciidump::le, localError(), localPosition(), nRecHitsTotal_, Pi, setTheDet(), and funct::tan().

     {
       nRecHitsTotal_++ ;
       alpha_ = alpha;
       beta_  = beta;
       double HalfPi = 0.5*TMath::Pi();
       cotalpha_ = tan(HalfPi - alpha_);
       cotbeta_  = tan(HalfPi - beta_ );
       setTheDet( det, cl );
       
       // localPosition( cl, det ) must be called before localError( cl, det ) !!!
       LocalPoint lp = localPosition( cl, det ); 
       LocalError le = localError( cl, det );        
       
       return std::make_pair( lp, le );
     }

LocalPoint PixelCPEBase::localPosition	(	const SiPixelCluster &	cl,
		const GeomDetUnit &	det
	)		const

virtual

Reimplemented in PixelCPEGeneric, and PixelCPETemplateReco.

Definition at line 360 of file PixelCPEBase.cc.

References setTheDet(), theLShiftX, theLShiftY, thePitchX, thePitchY, xpos(), and ypos().

Referenced by localParameters(), measurementError(), and measurementPosition().

                                                 {
   setTheDet( det, cluster );
   
   float lpx = xpos(cluster);
   float lpy = ypos(cluster);
   float lxshift = theLShiftX * thePitchX;  // shift in cm
   float lyshift = theLShiftY * thePitchY;
   LocalPoint cdfsfs(lpx-lxshift, lpy-lyshift);
   return cdfsfs;
 }

float PixelCPEBase::lorentzShiftX ( ) const

protectedvirtual

Definition at line 436 of file PixelCPEBase.cc.

References dir, PixelCPEBase::Param::drift, driftDirection(), GeomDet::geographicalId(), MagneticField::inTesla(), m_Params, magfield_, L1TEmulatorMonitor_cff::p, GloballyPositioned< T >::position(), DetId::rawId(), PixelGeomDetUnit::specificTopology(), GeomDet::surface(), theDet, thePitchX, theThickness, PixelCPEBase::Param::topology, PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by setTheDet().

 {
   LocalVector dir;
   Param & p = const_cast<PixelCPEBase*>(this)->m_Params[ theDet->geographicalId().rawId() ];
   if ( p.topology ) 
     {
       //cout << "--------------- old ----------------------" << endl;
       //cout << "p.topology = " << p.topology << endl;
       dir = p.drift;
       //cout << "same direction: dir = " << dir << endl;
     }
   else 
     {
       //cout << "--------------- new ----------------------" << endl;
       //cout << "p.topology = " << p.topology << endl;
       
       // ggiurgiu@jhu.edu 12/09/2010 : no longer need to cast
       //p.topology = (RectangularPixelTopology*)( & ( theDet->specificTopology() ) );          
       p.topology = &( theDet->specificTopology() );   
 
       p.drift = driftDirection(magfield_->inTesla(theDet->surface().position()) );
       dir = p.drift;
       //cout << "p.topology = " << p.topology << endl;
       //cout << "new direction: dir = " << dir << endl;
 
     }
   //LocalVector dir = driftDirection(magfield_->inTesla(theDet->surface().position()) );
   
   // max shift in cm 
   float xdrift = dir.x()/dir.z() * theThickness;  
   // express the shift in units of pitch, 
   // divide by 2 to get the average correction
   float lshift = xdrift / thePitchX / 2.; 
   
   //cout << "Lorentz Drift = " << lshift << endl;
   //cout << "X Drift = " << dir.x() << endl;
   //cout << "Z Drift = " << dir.z() << endl;
   
   return lshift;  
   
 
 }

float PixelCPEBase::lorentzShiftY ( ) const

protectedvirtual

Definition at line 479 of file PixelCPEBase.cc.

References dir, PixelCPEBase::Param::drift, driftDirection(), GeomDet::geographicalId(), MagneticField::inTesla(), m_Params, magfield_, L1TEmulatorMonitor_cff::p, GloballyPositioned< T >::position(), DetId::rawId(), PixelGeomDetUnit::specificTopology(), GeomDet::surface(), theDet, thePitchY, theThickness, PixelCPEBase::Param::topology, PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by setTheDet().

 {
   
   LocalVector dir;
   
   Param & p = const_cast<PixelCPEBase*>(this)->m_Params[ theDet->geographicalId().rawId() ];
   if ( p.topology ) 
     {
       //cout << "--------------- old y ----------------------" << endl;
       //cout << "p.topology y = " << p.topology << endl;
       dir = p.drift;
       //cout << "same direction y: dir = " << dir << endl;
     }
   else 
     {
       //cout << "--------------- new y ----------------------" << endl;
       //cout << "p.topology y = " << p.topology << endl;
       
       //p.topology = (RectangularPixelTopology*)( & ( theDet->specificTopology() ) );    
       p.topology = &( theDet->specificTopology() );
 
       p.drift = driftDirection(magfield_->inTesla(theDet->surface().position()) );
       dir = p.drift;
       //cout << "p.topology y = " << p.topology << endl;
       //cout << "new direction y: dir = " << dir << endl;
 
     }
 
   //LocalVector dir = driftDirection(magfield_->inTesla(theDet->surface().position()) );
   
   float ydrift = dir.y()/dir.z() * theThickness;
   float lshift = ydrift / thePitchY / 2.;
   return lshift; 
   
 
 }

MeasurementError PixelCPEBase::measurementError	(	const SiPixelCluster &	cluster,
		const GeomDetUnit &	det
	)		const

protected

Definition at line 397 of file PixelCPEBase.cc.

References LocalTrajectoryParameters::dxdz(), LocalTrajectoryParameters::dydz(), asciidump::le, loc_traj_param_, localError(), localPosition(), Topology::measurementError(), theTopol, and with_track_angle.

 {
   LocalPoint lp( localPosition(cluster, det) );
   LocalError le( localError(   cluster, det) );
 
   // ggiurgiu@jhu.edu 12/09/2010 : trk angles needed for bow/kink correction
   if ( with_track_angle )
     return theTopol->measurementError( lp, le, Topology::LocalTrackAngles( loc_traj_param_.dxdz(), loc_traj_param_.dydz() ) );
   else 
     return theTopol->measurementError( lp, le );
 }

MeasurementPoint PixelCPEBase::measurementPosition	(	const SiPixelCluster &	cluster,
		const GeomDetUnit &	det
	)		const

protected

Definition at line 376 of file PixelCPEBase.cc.

References LocalTrajectoryParameters::dxdz(), LocalTrajectoryParameters::dydz(), loc_traj_param_, localPosition(), Topology::measurementPosition(), theTopol, and with_track_angle.

                                                   {
 
   LocalPoint lp = localPosition(cluster,det);
 
   // ggiurgiu@jhu.edu 12/09/2010 : trk angles needed for bow/kink correction
 
   if ( with_track_angle )
     return theTopol->measurementPosition( lp, Topology::LocalTrackAngles( loc_traj_param_.dxdz(), loc_traj_param_.dydz() ) );
   else 
     return theTopol->measurementPosition( lp );
 
 }

float PixelCPEBase::probabilityQ ( ) const

inline

Definition at line 146 of file PixelCPEBase.h.

References probabilityQ_.

146 { return probabilityQ_ ; }

PixelCPEBase::probabilityQ_

float probabilityQ_

Definition: PixelCPEBase.h:225

float PixelCPEBase::probabilityX ( ) const

inline

Definition at line 135 of file PixelCPEBase.h.

References probabilityX_.

135 { return probabilityX_ ; }

PixelCPEBase::probabilityX_

float probabilityX_

Definition: PixelCPEBase.h:223

float PixelCPEBase::probabilityXY ( ) const

inline

Definition at line 137 of file PixelCPEBase.h.

References funct::log(), probabilityX_, and probabilityY_.

Referenced by rawQualityWord().

                                      {
     if ( probabilityX_ !=0 && probabilityY_ !=0 ) 
       {
     return probabilityX_ * probabilityY_ * (1 - log(probabilityX_ * probabilityY_) ) ;
       }
     else 
       return 0;
   }

float PixelCPEBase::probabilityY ( ) const

inline

Definition at line 136 of file PixelCPEBase.h.

References probabilityY_.

136 { return probabilityY_ ; }

PixelCPEBase::probabilityY_

float probabilityY_

Definition: PixelCPEBase.h:224

float PixelCPEBase::qBin ( ) const

inline

Definition at line 147 of file PixelCPEBase.h.

References qBin_.

147 { return qBin_ ; }

PixelCPEBase::qBin_

float qBin_

Definition: PixelCPEBase.h:226

SiPixelRecHitQuality::QualWordType PixelCPEBase::rawQualityWord ( ) const

A convenience method to fill a whole SiPixelRecHitQuality word in one shot. This way, we can keep the details of what is filled within the pixel code and not expose the Transient SiPixelRecHit to it as well. The name of this function is chosen to match the one in SiPixelRecHit.

Definition at line 670 of file PixelCPEBase.cc.

References hasBadPixels_, hasFilledProb_, isOnEdge_, probabilityQ_, probabilityXY(), qBin_, SiPixelRecHitQuality::Packing::setHasBadPixels(), SiPixelRecHitQuality::Packing::setHasFilledProb(), SiPixelRecHitQuality::Packing::setIsOnEdge(), SiPixelRecHitQuality::Packing::setProbabilityQ(), SiPixelRecHitQuality::Packing::setProbabilityXY(), SiPixelRecHitQuality::Packing::setQBin(), SiPixelRecHitQuality::Packing::setSpansTwoROCs(), spansTwoROCs_, and SiPixelRecHitQuality::thePacking.

Referenced by cms::SiPixelRecHitConverter::run(), and TSiPixelRecHit::TSiPixelRecHit().

 {
   SiPixelRecHitQuality::QualWordType qualWord(0);
   
   SiPixelRecHitQuality::thePacking.setProbabilityXY ( probabilityXY() ,
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setProbabilityQ  ( probabilityQ_ , 
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setQBin          ( (int)qBin_, 
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setIsOnEdge      ( isOnEdge_,
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setHasBadPixels  ( hasBadPixels_,
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setSpansTwoROCs  ( spansTwoROCs_,
                                                       qualWord );
   
   SiPixelRecHitQuality::thePacking.setHasFilledProb ( hasFilledProb_,
                                                       qualWord );
   
   return qualWord;
 }

void PixelCPEBase::setMagField ( const MagneticField * mag ) const

inline

Definition at line 123 of file PixelCPEBase.h.

References mag(), and magfield_.

123 { magfield_ = mag; }

mag

T mag() const

The vector magnitude. Equivalent to sqrt(vec.mag2())

Definition: newBasic3DVector.h:92

PixelCPEBase::magfield_

const MagneticField * magfield_

Definition: PixelCPEBase.h:257

void PixelCPEBase::setTheDet	(	const GeomDetUnit &	det,
		const SiPixelCluster &	cluster
	)		const

protected

Definition at line 95 of file PixelCPEBase.cc.

References BoundSurface::bounds(), PixelTopology::containsBigPixelInX(), PixelTopology::containsBigPixelInY(), edm::hlt::Exception, hasBadPixels_, i, isFlipped(), PixelTopology::isItEdgePixelInX(), PixelTopology::isItEdgePixelInY(), isOnEdge_, LogDebug, lorentzShiftX(), lorentzShiftY(), SiPixelCluster::maxPixelCol(), SiPixelCluster::maxPixelRow(), SiPixelCluster::minPixelCol(), SiPixelCluster::minPixelRow(), PixelTopology::ncolumns(), PixelTopology::nrows(), PV3DBase< T, PVType, FrameType >::perp(), PixelTopology::pitch(), SiPixelCluster::pixelADC(), GeomDetEnumerators::PixelBarrel, GeomDetEnumerators::PixelEndcap, GloballyPositioned< T >::position(), spansTwoROCs_, PixelGeomDetUnit::specificTopology(), GeomDetType::subDetector(), GeomDet::surface(), theDet, theDetR, theDetZ, theLShiftX, theLShiftY, theNumOfCol, theNumOfRow, thePart, thePitchX, thePitchY, theSign, theThickness, theTopol, theVerboseLevel, Bounds::thickness(), PixelGeomDetUnit::type(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by PixelCPETemplateReco::localError(), PixelCPEGeneric::localError(), localParameters(), PixelCPETemplateReco::localPosition(), PixelCPEGeneric::localPosition(), and localPosition().

 {
   if ( theDet == &det )
     return;       // we have already seen this det unit
   
   //--- This is a new det unit, so cache it
   theDet = dynamic_cast<const PixelGeomDetUnit*>( &det );
 
   if ( !theDet ) 
     {
       throw cms::Exception(" PixelCPEBase::setTheDet : ")
             << " Wrong pointer to PixelGeomDetUnit object !!!";
     }
 
   //--- theDet->type() returns a GeomDetType, which implements subDetector()
   thePart = theDet->type().subDetector();
   switch ( thePart ) 
     {
     case GeomDetEnumerators::PixelBarrel:
       // A barrel!  A barrel!
       break;
     case GeomDetEnumerators::PixelEndcap:
       // A forward!  A forward!
       break;
     default:
       throw cms::Exception("PixelCPEBase::setTheDet :")
         << "PixelCPEBase: A non-pixel detector type in here?" ;
     }
 
   //--- The location in of this DetUnit in a cyllindrical coord system (R,Z)
   //--- The call goes via BoundSurface, returned by theDet->surface(), but
   //--- position() is implemented in GloballyPositioned<> template
   //--- ( BoundSurface : Surface : GloballyPositioned<float> )
   theDetR = theDet->surface().position().perp();
   theDetZ = theDet->surface().position().z();
   //--- Define parameters for chargewidth calculation
 
   //--- bounds() is implemented in BoundSurface itself.
   theThickness = theDet->surface().bounds().thickness();
 
   //--- Cache the topology.
   // ggiurgiu@jhu.edu 12/09/2010 : no longer need to dynamyc cast to RectangularPixelTopology
   //theTopol
   //= dynamic_cast<const RectangularPixelTopology*>( & (theDet->specificTopology()) );
 
   theTopol = &(theDet->specificTopology());
 
   //---- The geometrical description of one module/plaquette
   theNumOfRow = theTopol->nrows();      // rows in x
   theNumOfCol = theTopol->ncolumns();   // cols in y
   std::pair<float,float> pitchxy = theTopol->pitch();
   thePitchX = pitchxy.first;            // pitch along x
   thePitchY = pitchxy.second;           // pitch along y
 
   //--- Find the offset
   // ggiurgiu@jhu.edu 12/09/2010 : this piece is deprecated
   //MeasurementPoint offset = 
   //theTopol->measurementPosition( LocalPoint(0.0, 0.0), 
   //               Topology::LocalTrackAngles( LocalTrajectoryParameters::dxdz(), 
   //                               LocalTrajectoryParameters::dydz() ) );  
   //
   //theOffsetX = offset.x();
   //theOffsetY = offset.y();
 
   //--- Find if the E field is flipped: i.e. whether it points
   //--- from the beam, or towards the beam.  (The voltages are
   //--- applied backwards on every other module in barrel and
   //--- blade in forward.)
   theSign = isFlipped() ? -1 : 1;
 
   //--- The Lorentz shift.
   theLShiftX = lorentzShiftX();
 
   theLShiftY = lorentzShiftY();
 
   // testing 
   if(thePart == GeomDetEnumerators::PixelBarrel) {
     //cout<<" lorentz shift "<<theLShiftX<<" "<<theLShiftY<<endl;
     theLShiftY=0.;
   }
 
     //--- Geometric Quality Information
     int minInX,minInY,maxInX,maxInY=0;
     minInX = cluster.minPixelRow();
     minInY = cluster.minPixelCol();
     maxInX = cluster.maxPixelRow();
     maxInY = cluster.maxPixelCol();
 
     if(theTopol->isItEdgePixelInX(minInX) || theTopol->isItEdgePixelInX(maxInX) ||
          theTopol->isItEdgePixelInY(minInY) || theTopol->isItEdgePixelInY(maxInY) )  {
         isOnEdge_ = true;
     }
     else isOnEdge_ = false;
 
     // Bad Pixels have their charge set to 0 in the clusterizer
     hasBadPixels_ = false;
     for(unsigned int i=0; i<cluster.pixelADC().size(); ++i) {
         if(cluster.pixelADC()[i] == 0) hasBadPixels_ = true;
     }
 
     if(theTopol->containsBigPixelInX(minInX,maxInX) ||
          theTopol->containsBigPixelInY(minInY,maxInY) )  {
         spansTwoROCs_ = true;
     }
     else spansTwoROCs_ = false;
     
 
     if (theVerboseLevel > 1) 
     {
       LogDebug("PixelCPEBase") << "***** PIXEL LAYOUT *****" 
                    << " thePart = " << thePart
                    << " theThickness = " << theThickness
                    << " thePitchX  = " << thePitchX 
                    << " thePitchY  = " << thePitchY 
     // << " theOffsetX = " << theOffsetX 
     // << " theOffsetY = " << theOffsetY 
                    << " theLShiftX  = " << theLShiftX;
     }
     
 }

bool PixelCPEBase::spansTwoRocks ( ) const

inline

Definition at line 150 of file PixelCPEBase.h.

References spansTwoROCs_.

150 { return spansTwoROCs_ ; }

PixelCPEBase::spansTwoROCs_

bool spansTwoROCs_

Definition: PixelCPEBase.h:229

void PixelCPEBase::xCharge	(	const std::vector< SiPixelCluster::Pixel > &	pixelsVec,
		const int &	imin,
		const int &	imax,
		float &	q1,
		float &	q2
	)		const

protected

Definition at line 521 of file PixelCPEBase.cc.

References ecalMGPA::adc(), i, and ExpressReco_HICollisions_FallBack::x.

                                            {
   //calculate charge in the first and last pixel in y
   // and the total cluster charge
   q1 = 0.0; 
   q2 = 0.0;
   float qm = 0.0;
   int isize = pixelsVec.size();
   for (int i=0;  i<isize; ++i) {
     if ( (pixelsVec[i].x) == imin )
       q1 += pixelsVec[i].adc;
     else if ( (pixelsVec[i].x) == imax) 
       q2 += float(pixelsVec[i].adc);
     else 
       qm += float(pixelsVec[i].adc);
   }
   return;
 } 

virtual float PixelCPEBase::xpos ( const SiPixelCluster & ) const

protectedpure virtual

Implemented in PixelCPEGeneric, and PixelCPETemplateReco.

Referenced by localPosition().

void PixelCPEBase::yCharge	(	const std::vector< SiPixelCluster::Pixel > &	pixelsVec,
		const int &	imin,
		const int &	imax,
		float &	q1,
		float &	q2
	)		const

protected

Definition at line 545 of file PixelCPEBase.cc.

References ecalMGPA::adc(), i, and ExpressReco_HICollisions_FallBack::y.

                                            {
   
   //calculate charge in the first and last pixel in y
   // and the inner cluster charge
   q1 = 0;
   q2 = 0;
   float qm=0;
   int isize = pixelsVec.size();
   for (int i=0;  i<isize; ++i) {
     if ( (pixelsVec[i].y) == imin) 
       q1 += pixelsVec[i].adc;
     else if ( (pixelsVec[i].y) == imax) 
       q2 += pixelsVec[i].adc;
     //else if (pixelsVec[i].y < ymax && pixelsVec[i].y > ymin ) 
     else  
       qm += float(pixelsVec[i].adc);
   }
   return;
 } 