TrajectorySeedHitCandidate Class Reference

#include <TrajectorySeedHitCandidate.h>

Public Member Functions
unsigned int	cylinderNumber () const
	The global layer number in the nested cylinder geometry. More...
const GeomDet *	geomDet () const
	The GeomDet. More...
const TrackingLayer &	getTrackingLayer () const
GlobalPoint	globalPosition () const
	The global position. More...
const GSSiTrackerRecHit2DLocalPos *	hit () const
void	init (const TrackerGeometry *theGeometry, const TrackerTopology *tTopo)
	Initialization at construction time. More...
bool	isForward () const
	Is it a forward hit ? More...
bool	isOnRequestedDet (const std::vector< std::vector< TrackingLayer > > &theLayersInSets) const
	Check if the hit is on one of the requested detector. More...
bool	isOnRequestedDet (const std::vector< std::vector< TrackingLayer > > &theLayersInSets, const TrajectorySeedHitCandidate &theSeedHitSecond) const
bool	isOnRequestedDet (const std::vector< std::vector< TrackingLayer > > &theLayersInSets, const TrajectorySeedHitCandidate &theSeedHitSecond, const TrajectorySeedHitCandidate &theSeedHitThird) const
bool	isOnTheSameLayer (const TrajectorySeedHitCandidate &other) const
	Check if two hits are on the same layer of the same subdetector. More...
double	largerError () const
unsigned int	layerNumber () const
	The Layer Number. More...
double	localError () const
LocalPoint	localPosition () const
	The local position. More...
const SiTrackerGSMatchedRecHit2D *	matchedHit () const
	The Hit itself. More...
bool	operator!= (const TrajectorySeedHitCandidate &aHit) const
unsigned int	ringNumber () const
	The Ring Number. More...
const SiTrackerGSRecHit2D *	splitHit () const
unsigned int	subDetId () const
	The subdet Id. More...
	TrajectorySeedHitCandidate ()
	Default Constructor. More...
	TrajectorySeedHitCandidate (const SiTrackerGSRecHit2D *theSplitHit, const TrajectorySeedHitCandidate &other)
	Soft Copy Constructor from private members. More...
	TrajectorySeedHitCandidate (const SiTrackerGSRecHit2D *theHit, const TrackerGeometry *theGeometry, const TrackerTopology *tTopo)
	Constructor from a GSRecHit and the Geometry. More...
	TrajectorySeedHitCandidate (const SiTrackerGSMatchedRecHit2D *theHit, const TrackerGeometry *theGeometry, const TrackerTopology *tTopo)

Private Attributes
bool	forward
TrackingLayer	seedingLayer
unsigned int	theCylinderNumber
const GeomDet *	theGeomDet
double	theLargerError
double	theLocalError
const SiTrackerGSMatchedRecHit2D *	theMatchedHit
unsigned int	theRingNumber
const SiTrackerGSRecHit2D *	theSplitHit

Detailed Description

Definition at line 21 of file TrajectorySeedHitCandidate.h.

Constructor & Destructor Documentation

TrajectorySeedHitCandidate::TrajectorySeedHitCandidate ( )

inline

Default Constructor.

Definition at line 25 of file TrajectorySeedHitCandidate.h.

                               :
    theSplitHit(0),
    theMatchedHit(0),
    theGeomDet(0),
    seedingLayer(),
    
    theRingNumber(0), 
    theCylinderNumber(0), 
    theLocalError(0.),
    theLargerError(0.),
    forward(false)
    
   {
    
   }

TrajectorySeedHitCandidate::TrajectorySeedHitCandidate ( const SiTrackerGSRecHit2D *  theSplitHit, const TrajectorySeedHitCandidate &  other  )

inline

Soft Copy Constructor from private members.

Definition at line 42 of file TrajectorySeedHitCandidate.h.

                                                   : 
    theSplitHit(theSplitHit),
    theMatchedHit(0),
    theGeomDet(other.geomDet()),
    seedingLayer(other.getTrackingLayer()),
    theRingNumber(other.ringNumber()), 
    theCylinderNumber(other.cylinderNumber()), 
    theLocalError(0.),
    theLargerError(0.),
    forward(other.isForward())
    
    {
        
    }

TrajectorySeedHitCandidate::TrajectorySeedHitCandidate	(	const SiTrackerGSRecHit2D *	theHit,
		const TrackerGeometry *	theGeometry,
		const TrackerTopology *	tTopo
	)

Constructor from a GSRecHit and the Geometry.

Definition at line 21 of file TrajectorySeedHitCandiate.cc.

References init().

                                                :
  theSplitHit(theHit),
  theMatchedHit(0),
  theRingNumber(0),
  theCylinderNumber(0),
  theLocalError(0.),
  theLargerError(0.)
     
{ 
  init(theGeometry,tTopo);
}

TrajectorySeedHitCandidate::TrajectorySeedHitCandidate	(	const SiTrackerGSMatchedRecHit2D *	theHit,
		const TrackerGeometry *	theGeometry,
		const TrackerTopology *	tTopo
	)

Definition at line 7 of file TrajectorySeedHitCandiate.cc.

References init().

                                               :
  theSplitHit(0),
  theMatchedHit(theHit),
  theRingNumber(0),
  theCylinderNumber(0),
  theLocalError(0.),
  theLargerError(0.)
     
{ 
  init(theGeometry, tTopo);
}

Member Function Documentation

unsigned int TrajectorySeedHitCandidate::cylinderNumber ( ) const

inline

The global layer number in the nested cylinder geometry.

Definition at line 98 of file TrajectorySeedHitCandidate.h.

References theCylinderNumber.

Referenced by FastPixelHitMatcher::isASeed().

{ return theCylinderNumber; }

const GeomDet* TrajectorySeedHitCandidate::geomDet ( ) const

inline

The GeomDet.

Definition at line 104 of file TrajectorySeedHitCandidate.h.

References theGeomDet.

Referenced by operator!=().

{ return theGeomDet; }

const TrackingLayer& TrajectorySeedHitCandidate::getTrackingLayer ( ) const

inline

Definition at line 83 of file TrajectorySeedHitCandidate.h.

References seedingLayer.

Referenced by TrajectorySeedProducer::isHitOnLayer(), isOnRequestedDet(), and TrajectorySeedProducer::produce().

  {
    return seedingLayer;
  }

GlobalPoint TrajectorySeedHitCandidate::globalPosition ( ) const

inline

The global position.

Definition at line 107 of file TrajectorySeedHitCandidate.h.

References hit(), localPosition(), GeomDet::surface(), theGeomDet, and Surface::toGlobal().

Referenced by FastPixelHitMatcher::isASeed(), and TrajectorySeedProducer::pass2HitsCuts().

                                            { 
    return theGeomDet->surface().toGlobal(hit()->localPosition());
  }

const GSSiTrackerRecHit2DLocalPos* TrajectorySeedHitCandidate::hit ( ) const

inline

Definition at line 79 of file TrajectorySeedHitCandidate.h.

References theMatchedHit, and theSplitHit.

Referenced by globalPosition(), init(), largerError(), localError(), localPosition(), operator!=(), and FastTSGFromPropagation::trackerSeeds().

                                                        { 
    return theSplitHit ? (GSSiTrackerRecHit2DLocalPos*)theSplitHit : 
      (GSSiTrackerRecHit2DLocalPos*)theMatchedHit; }

void TrajectorySeedHitCandidate::init	(	const TrackerGeometry *	theGeometry,
		const TrackerTopology *	tTopo
	)

Initialization at construction time.

Definition at line 36 of file TrajectorySeedHitCandiate.cc.

References TrackingLayer::createFromDetId(), forward, TrackingRecHit::geographicalId(), TrackingLayer::getLayerNumber(), hit(), TrackerGeometry::idToDet(), PixelSubdetector::PixelBarrel, PixelSubdetector::PixelEndcap, TrackerInteractionGeometry::PXB, TrackerInteractionGeometry::PXD, seedingLayer, DetId::subdetId(), subDetId(), StripSubdetector::TEC, TrackerInteractionGeometry::TEC, TrackerTopology::tecRing(), theCylinderNumber, theGeomDet, theRingNumber, StripSubdetector::TIB, TrackerInteractionGeometry::TIB, StripSubdetector::TID, TrackerInteractionGeometry::TID, TrackerTopology::tidRing(), StripSubdetector::TOB, and TrackerInteractionGeometry::TOB.

Referenced by TrajectorySeedHitCandidate().

                                                                                                 { 

  const DetId& theDetId = hit()->geographicalId();
  int subDetId = theDetId.subdetId();
  theGeomDet = theGeometry->idToDet(theDetId);
  seedingLayer=TrackingLayer::createFromDetId(theDetId,*tTopo);
  if ( subDetId == StripSubdetector::TIB) { 
     
    theCylinderNumber = TrackerInteractionGeometry::TIB+seedingLayer.getLayerNumber();
    forward = false;
  } else if (subDetId==  StripSubdetector::TOB ) { 
     
    theCylinderNumber = TrackerInteractionGeometry::TOB+seedingLayer.getLayerNumber();
    forward = false;
  } else if ( subDetId ==  StripSubdetector::TID) { 
    
    theCylinderNumber = TrackerInteractionGeometry::TID+seedingLayer.getLayerNumber();
    theRingNumber = tTopo->tidRing(theDetId);
    forward = true;
  } else if ( subDetId ==  StripSubdetector::TEC ) { 
     
    theCylinderNumber = TrackerInteractionGeometry::TEC+seedingLayer.getLayerNumber();
    theRingNumber = tTopo->tecRing(theDetId);
    forward = true;
  } else if ( subDetId ==  PixelSubdetector::PixelBarrel ) { 
     
    theCylinderNumber = TrackerInteractionGeometry::PXB+seedingLayer.getLayerNumber();
    forward = false;
  } else if ( subDetId ==  PixelSubdetector::PixelEndcap ) { 
     
    theCylinderNumber = TrackerInteractionGeometry::PXD+seedingLayer.getLayerNumber();
    forward = true;
  }
}

bool TrajectorySeedHitCandidate::isForward ( ) const

inline

Is it a forward hit ?

Definition at line 101 of file TrajectorySeedHitCandidate.h.

References forward.

Referenced by TrajectorySeedProducer::pass2HitsCuts().

{ return forward; }

bool TrajectorySeedHitCandidate::isOnRequestedDet

(

const std::vector< std::vector< TrackingLayer > > &

theLayersInSets

)

const

Check if the hit is on one of the requested detector.

request check with 1, 2 and 3 seeds

Definition at line 72 of file TrajectorySeedHitCandiate.cc.

References i, and seedingLayer.

                                                                                                             { 
  
  for(unsigned int i=0; i<theLayersInSets.size(); ++i) {
    if(theLayersInSets[i][0]==seedingLayer) return true;
  }

  return false;
}

bool TrajectorySeedHitCandidate::isOnRequestedDet	(	const std::vector< std::vector< TrackingLayer > > &	theLayersInSets,
		const TrajectorySeedHitCandidate &	theSeedHitSecond
	)		const

Definition at line 82 of file TrajectorySeedHitCandiate.cc.

References getTrackingLayer(), i, and seedingLayer.

                                                                                                                                                                  { 

  for(unsigned int i=0; i<theLayersInSets.size(); ++i){
    if( theLayersInSets[i][0]==seedingLayer && 
        theLayersInSets[i][1]==theSeedHitSecond.getTrackingLayer()
        ) 
        return true;
  }
  return false;
}

bool TrajectorySeedHitCandidate::isOnRequestedDet	(	const std::vector< std::vector< TrackingLayer > > &	theLayersInSets,
		const TrajectorySeedHitCandidate &	theSeedHitSecond,
		const TrajectorySeedHitCandidate &	theSeedHitThird
	)		const

Definition at line 94 of file TrajectorySeedHitCandiate.cc.

References getTrackingLayer(), i, and seedingLayer.

                                                                                                                                                                                                                     { 

  for(unsigned int i=0; i<theLayersInSets.size(); ++i){
    if( theLayersInSets[i][0]==seedingLayer && 
        theLayersInSets[i][1]==theSeedHitSecond.getTrackingLayer() &&
        theLayersInSets[i][2]==theSeedHitThird.getTrackingLayer()  
      ) return true;
  }
  return false;
}

bool TrajectorySeedHitCandidate::isOnTheSameLayer ( const TrajectorySeedHitCandidate &  other ) const

inline

Check if two hits are on the same layer of the same subdetector.

Definition at line 123 of file TrajectorySeedHitCandidate.h.

References seedingLayer.

Referenced by FastPixelHitMatcher::isASeed(), TrackCandidateProducer::produce(), and TrajectorySeedProducer::produce().

                                                                              {
    
    return seedingLayer==other.seedingLayer;
  }

double TrajectorySeedHitCandidate::largerError ( ) const

inline

Definition at line 146 of file TrajectorySeedHitCandidate.h.

References delta, hit(), BaseTrackerRecHit::localPositionError(), mathSSE::sqrt(), theLargerError, LocalError::xx(), LocalError::xy(), create_public_lumi_plots::xy, and LocalError::yy().

Referenced by TrajectorySeedProducer::pass2HitsCuts().

  {

    // Check if it has been already computed
    if ( theLargerError != 0. ) return theLargerError;

    // Otherwise, compute it!
    double xx = hit()->localPositionError().xx();
    double yy = hit()->localPositionError().yy();
    double xy = hit()->localPositionError().xy();
    double delta = std::sqrt((xx-yy)*(xx-yy)+4.*xy*xy);
    theLargerError = 0.5 * (xx+yy+delta);
    return theLargerError;

  }

unsigned int TrajectorySeedHitCandidate::layerNumber ( ) const

inline

The Layer Number.

Definition at line 92 of file TrajectorySeedHitCandidate.h.

References TrackingLayer::getLayerNumber(), and seedingLayer.

Referenced by TrackCandidateProducer::produce(), and FastElectronSeedGenerator::run().

{ return seedingLayer.getLayerNumber(); }

double TrajectorySeedHitCandidate::localError ( ) const

inline

Definition at line 129 of file TrajectorySeedHitCandidate.h.

References delta, hit(), BaseTrackerRecHit::localPositionError(), mathSSE::sqrt(), theLocalError, LocalError::xx(), LocalError::xy(), create_public_lumi_plots::xy, and LocalError::yy().

Referenced by TrackCandidateProducer::produce().

  { 

    // Check if it has been already computed
    if ( theLocalError != 0. ) return theLocalError;

    // Otherwise, compute it!
    double xx = hit()->localPositionError().xx();
    double yy = hit()->localPositionError().yy();
    double xy = hit()->localPositionError().xy();
    double delta = std::sqrt((xx-yy)*(xx-yy)+4.*xy*xy);
    theLocalError = 0.5 * (xx+yy-delta);
    return theLocalError;

  }

LocalPoint TrajectorySeedHitCandidate::localPosition ( ) const

inline

The local position.

Definition at line 112 of file TrajectorySeedHitCandidate.h.

References hit(), and BaseTrackerRecHit::localPosition().

Referenced by globalPosition().

{ return hit()->localPosition(); }  

const SiTrackerGSMatchedRecHit2D* TrajectorySeedHitCandidate::matchedHit ( ) const

inline

The Hit itself.

Definition at line 76 of file TrajectorySeedHitCandidate.h.

References theMatchedHit.

{ return theMatchedHit; }

bool TrajectorySeedHitCandidate::operator!= ( const TrajectorySeedHitCandidate &  aHit ) const

inline

Definition at line 162 of file TrajectorySeedHitCandidate.h.

References geomDet(), hit(), BaseTrackerRecHit::localPosition(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                       {
    return 
      aHit.geomDet() != this->geomDet() ||
      aHit.hit()->localPosition().x() != this->hit()->localPosition().x() ||
      aHit.hit()->localPosition().y() != this->hit()->localPosition().y() ||
      aHit.hit()->localPosition().z() != this->hit()->localPosition().z();
  }

unsigned int TrajectorySeedHitCandidate::ringNumber ( ) const

inline

The Ring Number.

Definition at line 95 of file TrajectorySeedHitCandidate.h.

References theRingNumber.

Referenced by FastElectronSeedGenerator::run().

{ return theRingNumber; }

const SiTrackerGSRecHit2D* TrajectorySeedHitCandidate::splitHit ( ) const

inline

Definition at line 77 of file TrajectorySeedHitCandidate.h.

References theSplitHit.

{ return theSplitHit; }

unsigned int TrajectorySeedHitCandidate::subDetId ( ) const

inline

The subdet Id.

Definition at line 89 of file TrajectorySeedHitCandidate.h.

References TrackingLayer::getSubDetNumber(), and seedingLayer.

Referenced by init(), FastPixelHitMatcher::isASeed(), TrackCandidateProducer::produce(), and FastElectronSeedGenerator::run().

{ return seedingLayer.getSubDetNumber(); }

Member Data Documentation

bool TrajectorySeedHitCandidate::forward

private

Definition at line 180 of file TrajectorySeedHitCandidate.h.

Referenced by init(), and isForward().

TrackingLayer TrajectorySeedHitCandidate::seedingLayer

private

Definition at line 175 of file TrajectorySeedHitCandidate.h.

Referenced by getTrackingLayer(), init(), isOnRequestedDet(), isOnTheSameLayer(), layerNumber(), and subDetId().

unsigned int TrajectorySeedHitCandidate::theCylinderNumber

private

Definition at line 177 of file TrajectorySeedHitCandidate.h.

Referenced by cylinderNumber(), and init().

const GeomDet* TrajectorySeedHitCandidate::theGeomDet

private

Definition at line 174 of file TrajectorySeedHitCandidate.h.

Referenced by geomDet(), globalPosition(), and init().

double TrajectorySeedHitCandidate::theLargerError

mutableprivate

Definition at line 179 of file TrajectorySeedHitCandidate.h.

Referenced by largerError().

double TrajectorySeedHitCandidate::theLocalError

mutableprivate

Definition at line 178 of file TrajectorySeedHitCandidate.h.

Referenced by localError().

const SiTrackerGSMatchedRecHit2D* TrajectorySeedHitCandidate::theMatchedHit

private

Definition at line 173 of file TrajectorySeedHitCandidate.h.

Referenced by hit(), and matchedHit().

unsigned int TrajectorySeedHitCandidate::theRingNumber

private

Definition at line 176 of file TrajectorySeedHitCandidate.h.

Referenced by init(), and ringNumber().

const SiTrackerGSRecHit2D* TrajectorySeedHitCandidate::theSplitHit

private

Definition at line 172 of file TrajectorySeedHitCandidate.h.

Referenced by hit(), and splitHit().