RectangularEtaPhiTrackingRegion Class Reference

#include <RectangularEtaPhiTrackingRegion.h>

Inheritance diagram for RectangularEtaPhiTrackingRegion:

Public Types
typedef TkTrackingRegionsMargin< float >	Margin
Public Types inherited from TrackingRegion
typedef TransientTrackingRecHit::ConstRecHitPointer	Hit
typedef std::vector< Hit >	Hits
typedef PixelRecoRange< float >	Range

Public Member Functions
virtual HitRZCompatibility *	checkRZ (const DetLayer *layer, const Hit &outerHit, const edm::EventSetup &iSetup) const
virtual RectangularEtaPhiTrackingRegion *	clone () const
	clone region More...
const Range &	etaRange () const
	allowed eta range [eta_min, eta_max] interval More...
virtual TrackingRegion::Hits	hits (const edm::Event &ev, const edm::EventSetup &es, const ctfseeding::SeedingLayer *layer) const
	get hits from layer compatible with region constraints More...
bool	isPrecise () const
	is precise error calculation switched on More...
virtual std::string	name () const
const Margin &	phiMargin () const
virtual std::string	print () const
	RectangularEtaPhiTrackingRegion ()
	dummy constructor More...
	RectangularEtaPhiTrackingRegion (const GlobalVector &dir, const GlobalPoint &vertexPos, float ptMin, float rVertex, float zVertex, float deltaEta, float deltaPhi, float whereToUseMeasurementTracker=0., bool precise=true, const std::string &measurementTrackerName="", bool etaPhiRegion=false)
	RectangularEtaPhiTrackingRegion (const GlobalVector &dir, const GlobalPoint &vertexPos, float ptMin, float rVertex, float zVertex, Margin etaMargin, Margin phiMargin, float whereToUseMeasurementTracker=0., bool precise=true, const std::string &measurementTrackerName="", bool etaPhiRegion=false)
	RectangularEtaPhiTrackingRegion (const GlobalVector &dir, const GlobalPoint &vertexPos, Range invPtRange, float rVertex, float zVertex, Margin etaMargin, Margin phiMargin, float whereToUseMeasurementTracker=0., bool precise=true, const std::string &measurementTrackerName="", bool etaPhiRegion=false)
Public Member Functions inherited from TrackingRegionBase
virtual GlobalVector	direction () const
	the direction around which region is constructed More...
virtual Range	invPtRange () const
	inverse pt range More...
virtual GlobalPoint	origin () const
virtual float	originRBound () const
	bounds the particle vertex in the transverse plane More...
virtual float	originZBound () const
	bounds the particle vertex in the longitudinal plane More...
virtual float	ptMin () const
	minimal pt of interest More...
virtual TrackingRegionBase *	restrictedRegion (const GlobalPoint &originPos, const float &originRBound, const float &originZBound) const
	clone region with new vertex position More...
virtual void	setDirection (const GlobalVector &dir)
	TrackingRegionBase (const GlobalVector &direction, const GlobalPoint &originPos, const Range &invPtRange, const float &originRBound, const float &originZBound)
	TrackingRegionBase ()
virtual	~TrackingRegionBase ()
Public Member Functions inherited from TrackingRegion
virtual	~TrackingRegion ()

Private Member Functions
HitRZCompatibility *	checkRZOld (const DetLayer *layer, const TrackingRecHit *outerHit, const edm::EventSetup &iSetup) const
OuterEstimator *	estimator (const BarrelDetLayer *layer, const edm::EventSetup &iSetup) const
OuterEstimator *	estimator (const ForwardDetLayer *layer, const edm::EventSetup &iSetup) const
void	initEtaRange (const GlobalVector &dir, const Margin &margin)
OuterHitPhiPrediction	phiWindow (const edm::EventSetup &iSetup) const
HitRZConstraint	rzConstraint () const

Private Attributes
Range	theEtaRange
std::string	theMeasurementTrackerName
double	theMeasurementTrackerUsage
Margin	thePhiMargin
bool	thePrecise
bool	theUseEtaPhi

Detailed Description

A concrete implementation of TrackingRegion. Apart of vertex constraint from TrackingRegion in this implementation the region of interest is further constrainted in phi and eta around the direction of the region

Definition at line 21 of file RectangularEtaPhiTrackingRegion.h.

Member Typedef Documentation

typedef TkTrackingRegionsMargin<float> RectangularEtaPhiTrackingRegion::Margin

Definition at line 24 of file RectangularEtaPhiTrackingRegion.h.

Constructor & Destructor Documentation

RectangularEtaPhiTrackingRegion::RectangularEtaPhiTrackingRegion ( )

inline

dummy constructor

Definition at line 27 of file RectangularEtaPhiTrackingRegion.h.

Referenced by clone().

{ }

RectangularEtaPhiTrackingRegion::RectangularEtaPhiTrackingRegion ( const GlobalVector &  dir, const GlobalPoint &  vertexPos, float  ptMin, float  rVertex, float  zVertex, float  deltaEta, float  deltaPhi, float  whereToUseMeasurementTracker = 0., bool  precise = true, const std::string &  measurementTrackerName = "", bool  etaPhiRegion = false  )

inline

constructor (symmetric eta and phi margins).
dir - the direction around which region is constructed
the initial direction of the momentum of the particle should be in the range
phi of dir +- deltaPhi
eta of dir +- deltaEta

vertexPos - the position of the vertex (origin) of the of the region.
It is a centre of cylinder constraind with rVertex, zVertex. The track of the particle should cross the cylinder
WARNING: in the current implementaion the vertexPos is supposed to be placed on the beam line, i.e. to be of the form (0,0,float)

ptMin - minimal pt of interest
rVertex - radius of the cylinder around beam line where the tracks of interest should point to.
zVertex - half height of the cylinder around the beam line where the tracks of interest should point to.
deltaEta - allowed deviation of the initial direction of particle in eta in respect to direction of the region
deltaPhi - allowed deviation of the initial direction of particle in phi in respect to direction of the region whereToUseMeasurementTracker: 1=everywhere, 0=outside pixles, -1=nowhere

Definition at line 54 of file RectangularEtaPhiTrackingRegion.h.

References initEtaRange().

    : TrackingRegionBase( dir, vertexPos, Range( -1/ptMin, 1/ptMin), 
              rVertex, zVertex),
    thePhiMargin( Margin( fabs(deltaPhi),fabs(deltaPhi))),
    theMeasurementTrackerUsage(whereToUseMeasurementTracker), thePrecise(precise), theMeasurementTrackerName(measurementTrackerName),
    theUseEtaPhi(etaPhiRegion)
   { initEtaRange(dir, Margin( fabs(deltaEta),fabs(deltaEta))); }

RectangularEtaPhiTrackingRegion::RectangularEtaPhiTrackingRegion ( const GlobalVector &  dir, const GlobalPoint &  vertexPos, float  ptMin, float  rVertex, float  zVertex, Margin  etaMargin, Margin  phiMargin, float  whereToUseMeasurementTracker = 0., bool  precise = true, const std::string &  measurementTrackerName = "", bool  etaPhiRegion = false  )

inline

constructor (asymmetrinc eta and phi margins).
non equal left-right eta and phi bounds around direction are possible. The ranges are defined using Margin. the meaning of other arguments is the same as in the case of symmetring bounds to direction of the region.

Definition at line 75 of file RectangularEtaPhiTrackingRegion.h.

References initEtaRange().

    : TrackingRegionBase( dir, vertexPos, Range( -1/ptMin, 1/ptMin), 
      rVertex, zVertex), thePhiMargin( phiMargin), theMeasurementTrackerUsage(whereToUseMeasurementTracker), thePrecise(precise),
      theMeasurementTrackerName(measurementTrackerName),
      theUseEtaPhi(etaPhiRegion)
    { initEtaRange(dir, etaMargin); }

RectangularEtaPhiTrackingRegion::RectangularEtaPhiTrackingRegion ( const GlobalVector &  dir, const GlobalPoint &  vertexPos, Range  invPtRange, float  rVertex, float  zVertex, Margin  etaMargin, Margin  phiMargin, float  whereToUseMeasurementTracker = 0., bool  precise = true, const std::string &  measurementTrackerName = "", bool  etaPhiRegion = false  )

inline

constructor (explicit pt range, asymmetrinc eta and phi margins).
the meaning of other arguments is the same as in the case of symmetring bounds to direction of the region.

Definition at line 94 of file RectangularEtaPhiTrackingRegion.h.

References initEtaRange().

    : TrackingRegionBase( dir, vertexPos, invPtRange, rVertex, zVertex),
      thePhiMargin( phiMargin), theMeasurementTrackerUsage(whereToUseMeasurementTracker), thePrecise(precise),
      theMeasurementTrackerName(measurementTrackerName),
      theUseEtaPhi(etaPhiRegion)
    { initEtaRange(dir, etaMargin); }

Member Function Documentation

virtual HitRZCompatibility* RectangularEtaPhiTrackingRegion::checkRZ ( const DetLayer *  layer, const Hit &  outerHit, const edm::EventSetup &  iSetup  ) const

inlinevirtual

utility to check eta/theta hit compatibility with region constraints and outer hit constraint

Implements TrackingRegionBase.

Definition at line 126 of file RectangularEtaPhiTrackingRegion.h.

References checkRZOld().

                                         { return checkRZOld(layer,outerHit->hit(),iSetup); }

HitRZCompatibility * RectangularEtaPhiTrackingRegion::checkRZOld ( const DetLayer *  layer, const TrackingRecHit *  outerHit, const edm::EventSetup &  iSetup  ) const

private

Definition at line 49 of file RectangularEtaPhiTrackingRegion.cc.

References GeomDetEnumerators::barrel, PixelRecoLineRZ::cotLine(), TrackingRecHit::geographicalId(), edm::EventSetup::get(), TrackingRecHit::localPosition(), DetLayer::location(), max(), min, SurfaceOrientation::outer, PtMinSelector_cfg::ptMin, funct::sqr(), mathSSE::sqrt(), patCandidatesForDimuonsSequences_cff::tracker, vtxMean(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), PixelRecoPointRZ::z(), PV3DBase< T, PVType, FrameType >::z(), and PixelRecoLineRZ::zAtR().

Referenced by checkRZ().

{
  edm::ESHandle<TrackerGeometry> tracker;
  iSetup.get<TrackerDigiGeometryRecord>().get(tracker);

  bool isBarrel = (layer->location() == GeomDetEnumerators::barrel);
  GlobalPoint ohit =  tracker->idToDet(outerHit->geographicalId())->surface().toGlobal(outerHit->localPosition());
  float outerred_r = sqrt( sqr(ohit.x()-origin().x())+sqr(ohit.y()-origin().y()) );
  //PixelRecoPointRZ outer(ohit.perp(), ohit.z());
  PixelRecoPointRZ outer(outerred_r, ohit.z());
  
  float zMinOrigin = origin().z() - originZBound();
  float zMaxOrigin = origin().z() + originZBound();

  if (!thePrecise) {
    double vcotMin = (outer.z() > zMaxOrigin) ?
        (outer.z()-zMaxOrigin)/(outer.r()+originRBound())
      : (outer.z()-zMaxOrigin)/(outer.r()-originRBound());
    double vcotMax = (outer.z() > zMinOrigin) ?
        (outer.z()-zMinOrigin)/(outer.r()-originRBound())
      : (outer.z()-zMinOrigin)/(outer.r()+originRBound());
    float cotRight  = max(vcotMin,(double) sinh(theEtaRange.min()));
    float cotLeft = min(vcotMax, (double) sinh(theEtaRange.max()));
    return new HitEtaCheck( isBarrel, outer, cotLeft, cotRight);
  }
  float hitZErr = 0.;
  float hitRErr = 0.;

  PixelRecoPointRZ  outerL, outerR;
  if (layer->location() == GeomDetEnumerators::barrel) {
    outerL = PixelRecoPointRZ(outer.r(), outer.z()-hitZErr);
    outerR = PixelRecoPointRZ(outer.r(), outer.z()+hitZErr);
  } else if (outer.z() > 0) {
    outerL = PixelRecoPointRZ(outer.r()+hitRErr, outer.z());
    outerR = PixelRecoPointRZ(outer.r()-hitRErr, outer.z());
  } else {
    outerL = PixelRecoPointRZ(outer.r()-hitRErr, outer.z());
    outerR = PixelRecoPointRZ(outer.r()+hitRErr, outer.z());
  }
  //CHECK
  MultipleScatteringParametrisation oSigma(layer,iSetup);
  float cotThetaOuter = sinh(theEtaRange.mean());
  float sinThetaOuter = 1/sqrt(1+sqr(cotThetaOuter)); 
  float outerZscatt = 3*oSigma(ptMin(),cotThetaOuter) / sinThetaOuter;

  PixelRecoLineRZ boundL(outerL, sinh(theEtaRange.max()));
  PixelRecoLineRZ boundR(outerR, sinh(theEtaRange.min()));
  float zMinLine = boundL.zAtR(0.)-outerZscatt;
  float zMaxLine = boundR.zAtR(0.)+outerZscatt;
  PixelRecoPointRZ vtxL(0.,max(zMinLine, zMinOrigin));
  PixelRecoPointRZ vtxR(0.,min(zMaxLine, zMaxOrigin)); 
  PixelRecoPointRZ vtxMean(0.,(vtxL.z()+vtxR.z())/2.);
  //CHECK
  MultipleScatteringParametrisation iSigma(layer,iSetup);
  float innerScatt = 3 * iSigma(ptMin(),vtxMean, outer);
  
  PixelRecoLineRZ leftLine( vtxL, outerL);
  PixelRecoLineRZ rightLine( vtxR, outerR);

  HitRZConstraint rzConstraint(leftLine, rightLine);
  float cotTheta = fabs(leftLine.cotLine()+rightLine.cotLine())/2;

//  float bendR = longitudinalBendingCorrection(outer.r(),ptMin());

  if (isBarrel) {
    float sinTheta = 1/sqrt(1+sqr(cotTheta));
    float corrZ = innerScatt/sinTheta + hitZErr;
    return new HitZCheck(rzConstraint, HitZCheck::Margin(corrZ,corrZ));
  } else {
    float cosTheta = 1/sqrt(1+sqr(1/cotTheta));
    float corrR = innerScatt/cosTheta + hitRErr;
    return new HitRCheck( rzConstraint, HitRCheck::Margin(corrR,corrR));
  }
}

virtual RectangularEtaPhiTrackingRegion* RectangularEtaPhiTrackingRegion::clone ( ) const

inlinevirtual

clone region

Implements TrackingRegionBase.

Definition at line 131 of file RectangularEtaPhiTrackingRegion.h.

References RectangularEtaPhiTrackingRegion().

                                                         { 
    return new RectangularEtaPhiTrackingRegion(*this);
  }

OuterEstimator * RectangularEtaPhiTrackingRegion::estimator ( const BarrelDetLayer *  layer, const edm::EventSetup &  iSetup  ) const

private

Definition at line 125 of file RectangularEtaPhiTrackingRegion.cc.

References BoundSurface::bounds(), PixelRecoRange< T >::empty(), reco::helper::VirtualJetProducerHelper::intersection(), PixelRecoRange< T >::intersection(), Bounds::length(), PixelRecoUtilities::longitudinalBendingCorrection(), max(), PixelRecoRange< T >::max(), PixelRecoRange< T >::mean(), PixelRecoRange< T >::min(), min, GeometricSearchDet::position(), PtMinSelector_cfg::ptMin, Cylinder::radius(), CosmicsPD_Skims::radius, HitZCheck::range(), OuterHitPhiPrediction::setTolerance(), HitZCheck::setTolerance(), BarrelDetLayer::specificSurface(), funct::sqr(), mathSSE::sqrt(), BarrelDetLayer::surface(), Bounds::thickness(), w2, and PV3DBase< T, PVType, FrameType >::z().

{

  // det dimensions 
  float halfLength = layer->surface().bounds().length()/2;
  float halfThickness  = layer->surface().bounds().thickness()/2;
  float z0 = layer->position().z();
  float radius = layer->specificSurface().radius();

  // det ranges
  Range detRWindow (radius-halfThickness, radius+halfThickness);
  Range detZWindow(z0-halfLength,z0+halfLength);

  // z prediction, skip if not intersection
  HitZCheck zPrediction(rzConstraint());
  Range hitZWindow = zPrediction.range(detRWindow.min()).
                                               intersection(detZWindow);
  if (hitZWindow.empty()) return 0;

  // phi prediction
  OuterHitPhiPrediction phiPrediction = phiWindow(iSetup);

  //
  // optional corrections for tolerance (mult.scatt, error, bending)
  //
  OuterHitPhiPrediction::Range phiRange;
  if (thePrecise) {
    float cotTheta = (hitZWindow.mean()-origin().z()) / radius;
    float sinTheta = 1/sqrt(1+sqr(cotTheta));
    MultipleScatteringParametrisation msSigma(layer,iSetup);
    float scatt = 3 * msSigma(ptMin(), cotTheta);
    float bendR = longitudinalBendingCorrection(radius,ptMin(),iSetup);

    float hitErrRPhi = 0.;
    float hitErrZ = 0.;
    float corrPhi = (scatt+ hitErrRPhi)/radius;
    float corrZ = scatt/sinTheta + bendR*fabs(cotTheta) + hitErrZ;

    phiPrediction.setTolerance(OuterHitPhiPrediction::Margin(corrPhi,corrPhi));
    zPrediction.setTolerance(HitZCheck::Margin(corrZ,corrZ));

    //
    // hit ranges in det
    //
    OuterHitPhiPrediction::Range phi1 = phiPrediction(detRWindow.min());
    OuterHitPhiPrediction::Range phi2 = phiPrediction(detRWindow.max());
    phiRange = Range( min(phi1.min(),phi2.min()), max(phi1.max(),phi2.max()));
    Range w1 = zPrediction.range(detRWindow.min());
    Range w2 = zPrediction.range(detRWindow.max());
    hitZWindow = Range(
      min(w1.min(),w2.min()), max(w1.max(),w2.max())).intersection(detZWindow);
  }
  else {
    phiRange = phiPrediction(detRWindow.mean()); 
  }

  return new OuterEstimator(
                OuterDetCompatibility( layer, phiRange, detRWindow, hitZWindow),
                OuterHitCompatibility( phiPrediction, zPrediction ),
                iSetup);
}

OuterEstimator * RectangularEtaPhiTrackingRegion::estimator ( const ForwardDetLayer *  layer, const edm::EventSetup &  iSetup  ) const

private

Definition at line 188 of file RectangularEtaPhiTrackingRegion.cc.

References BoundSurface::bounds(), PixelRecoRange< T >::empty(), BoundDisk::innerRadius(), reco::helper::VirtualJetProducerHelper::intersection(), PixelRecoRange< T >::intersection(), PixelRecoUtilities::longitudinalBendingCorrection(), PixelRecoRange< T >::max(), PixelRecoRange< T >::mean(), PixelRecoRange< T >::min(), BoundDisk::outerRadius(), GeometricSearchDet::position(), PtMinSelector_cfg::ptMin, OuterHitPhiPrediction::setTolerance(), ForwardDetLayer::specificSurface(), funct::sqr(), mathSSE::sqrt(), ForwardDetLayer::surface(), Bounds::thickness(), w2, and PV3DBase< T, PVType, FrameType >::z().

{

  // det dimensions, ranges
  float halfThickness  = layer->surface().bounds().thickness()/2;
  float zLayer = layer->position().z() ;
  Range detZWindow( zLayer-halfThickness, zLayer+halfThickness);
  Range detRWindow( layer->specificSurface().innerRadius(), 
                    layer->specificSurface().outerRadius());
  
  // r prediction, skip if not intersection
  HitRCheck rPrediction(rzConstraint());
  Range hitRWindow = rPrediction.range(zLayer).intersection(detRWindow);
  if (hitRWindow.empty()) return 0;

  // phi prediction
  OuterHitPhiPrediction phiPrediction = phiWindow(iSetup);
  OuterHitPhiPrediction::Range phiRange = phiPrediction(detRWindow.max());

  //
  // optional corrections for tolerance (mult.scatt, error, bending)
  //
  if (thePrecise) {
    float cotTheta = (detZWindow.mean()-origin().z())/hitRWindow.mean();
    float cosTheta = cotTheta/sqrt(1+sqr(cotTheta)); 
    MultipleScatteringParametrisation msSigma(layer,iSetup);
    float scatt = 3 * msSigma(ptMin(),cotTheta);
    float bendR = longitudinalBendingCorrection(hitRWindow.max(),ptMin(),iSetup);
    float hitErrRPhi = 0.;
    float hitErrR = 0.;
    float corrPhi = (scatt+hitErrRPhi)/detRWindow.min();
    float corrR   = scatt/fabs(cosTheta) + bendR + hitErrR;

    phiPrediction.setTolerance(OuterHitPhiPrediction::Margin(corrPhi,corrPhi));
    rPrediction.setTolerance(HitRCheck::Margin(corrR,corrR));

    //
    // hit ranges in det
    //
    Range w1,w2;
    if (zLayer > 0) {
      w1 = rPrediction.range(detZWindow.min());
      w2 = rPrediction.range(detZWindow.max());
    } else {
      w1 = rPrediction.range(detZWindow.max());
      w2 = rPrediction.range(detZWindow.min());
    }
    hitRWindow = Range(w1.min(),w2.max()).intersection(detRWindow);
  }

  return new OuterEstimator(
    OuterDetCompatibility( layer, phiRange, hitRWindow, detZWindow),
    OuterHitCompatibility( phiPrediction, rPrediction),iSetup );
}

const Range& RectangularEtaPhiTrackingRegion::etaRange ( ) const

inline

allowed eta range [eta_min, eta_max] interval

Definition at line 112 of file RectangularEtaPhiTrackingRegion.h.

References theEtaRange.

Referenced by FastTSGFromL2Muon::clean(), FastTSGFromIOHit::clean(), TrackerSeedCleaner::clean(), and GlobalTrajectoryBuilderBase::defineRegionOfInterest().

{ return theEtaRange; }

TrackingRegion::Hits RectangularEtaPhiTrackingRegion::hits ( const edm::Event &  ev, const edm::EventSetup &  es, const ctfseeding::SeedingLayer *  layer  ) const

virtual

get hits from layer compatible with region constraints

Implements TrackingRegion.

Definition at line 280 of file RectangularEtaPhiTrackingRegion.cc.

References alongMomentum, GeomDetEnumerators::barrel, Plane::build(), funct::cos(), ctfseeding::SeedingLayer::detLayer(), dir, GeomDetEnumerators::endcap, edm::EventSetup::get(), OuterEstimator::hitCompatibility(), ctfseeding::SeedingLayer::hits(), DetLayer::location(), LogDebug, LayerMeasurements::measurements(), MeasurementTrackerESProducer_cfi::MeasurementTracker, phi, PV3DBase< T, PVType, FrameType >::phi(), GeomDetEnumerators::PixelBarrel, GeomDetEnumerators::PixelEndcap, edm::ESHandle< class >::product(), query::result, makeMuonMisalignmentScenario::rot, funct::sin(), and DetLayer::subDetector().

{


  //ESTIMATOR
  TrackingRegion::Hits result;

  const DetLayer * detLayer = layer->detLayer();
  OuterEstimator * est = 0;

  bool measurementMethod = false;
  if ( theMeasurementTrackerUsage > 0.5) measurementMethod = true;
  if ( theMeasurementTrackerUsage > -0.5 &&
       !(detLayer->subDetector() == GeomDetEnumerators::PixelBarrel ||
         detLayer->subDetector() == GeomDetEnumerators::PixelEndcap) ) measurementMethod = true;

  if(measurementMethod) {
  edm::ESHandle<MagneticField> field;
  es.get<IdealMagneticFieldRecord>().get(field);
  const MagneticField * magField = field.product();

  const GlobalPoint vtx = origin();
  GlobalVector dir = direction();
  
  if (detLayer->subDetector() == GeomDetEnumerators::PixelBarrel || (!theUseEtaPhi  && detLayer->location() == GeomDetEnumerators::barrel)){
    const BarrelDetLayer& bl = dynamic_cast<const BarrelDetLayer&>(*detLayer);
    est = estimator(&bl,es);
  } else if (detLayer->subDetector() == GeomDetEnumerators::PixelEndcap || (!theUseEtaPhi  && detLayer->location() == GeomDetEnumerators::endcap)) {
    const ForwardDetLayer& fl = dynamic_cast<const ForwardDetLayer&>(*detLayer);
    est = estimator(&fl,es);
  }
  
  EtaPhiMeasurementEstimator etaPhiEstimator ((theEtaRange.second-theEtaRange.first)/2.,
                          (thePhiMargin.left()+thePhiMargin.right())/2.);
  MeasurementEstimator & findDetAndHits = etaPhiEstimator;
  if (est){
    LogDebug("RectangularEtaPhiTrackingRegion")<<"use pixel specific estimator.";
    findDetAndHits =*est;
  }
  else{
    LogDebug("RectangularEtaPhiTrackingRegion")<<"use generic etat phi estimator.";
  }
   
  // TSOS
  float phi = dir.phi();
  Surface::RotationType rot( sin(phi), -cos(phi),           0,
                             0,                0,          -1,
                             cos(phi),  sin(phi),           0);

  Plane::PlanePointer surface = Plane::build(GlobalPoint(0.,0.,0.), rot);
  //TrajectoryStateOnSurface tsos(lpar, *surface, magField);

  FreeTrajectoryState fts( GlobalTrajectoryParameters(vtx, dir, 1, magField) );
  TrajectoryStateOnSurface tsos(fts, *surface);

  // propagator
  StraightLinePropagator prop( magField, alongMomentum);

  edm::ESHandle<MeasurementTracker> measurementTrackerESH;
  es.get<CkfComponentsRecord>().get(theMeasurementTrackerName, measurementTrackerESH); 
  const MeasurementTracker * measurementTracker = measurementTrackerESH.product(); 
  measurementTracker->update(ev);

  LayerMeasurements lm(measurementTracker);
   
  vector<TrajectoryMeasurement> meas = lm.measurements(*detLayer, tsos, prop, findDetAndHits);
  typedef vector<TrajectoryMeasurement>::const_iterator IM;
  for (IM im = meas.begin(); im != meas.end(); im++) {
    TrajectoryMeasurement::ConstRecHitPointer ptrHit = im->recHit();
    if (ptrHit->isValid())  result.push_back( ptrHit );
  }

  LogDebug("RectangularEtaPhiTrackingRegion")<<" found "<< meas.size()<<" minus one measurements on layer: "<<detLayer->subDetector();

  } else {
  //
  // temporary solution 
  //
  if (detLayer->location() == GeomDetEnumerators::barrel) {
    const BarrelDetLayer& bl = dynamic_cast<const BarrelDetLayer&>(*detLayer);
    est = estimator(&bl,es);
  } else {
    const ForwardDetLayer& fl = dynamic_cast<const ForwardDetLayer&>(*detLayer);
    est = estimator(&fl,es);
  }
  if (!est) return result;

  TrackingRegion::Hits layerHits = layer->hits(ev,es);
  for (TrackingRegion::Hits::const_iterator ih= layerHits.begin(); ih != layerHits.end(); ih++) {
    if ( est->hitCompatibility()(ih->get()) ) {
       result.push_back( *ih );
    }
  }
  }
  
  delete est;
  return result;
}

void RectangularEtaPhiTrackingRegion::initEtaRange ( const GlobalVector &  dir, const Margin &  margin  )

private

Definition at line 42 of file RectangularEtaPhiTrackingRegion.cc.

References PV3DBase< T, PVType, FrameType >::eta(), eta(), TkTrackingRegionsMargin< T >::left(), and TkTrackingRegionsMargin< T >::right().

Referenced by RectangularEtaPhiTrackingRegion().

{
  float eta = dir.eta();
  theEtaRange = Range(eta-margin.left(), eta+margin.right());
}

bool RectangularEtaPhiTrackingRegion::isPrecise ( ) const

inline

is precise error calculation switched on

Definition at line 119 of file RectangularEtaPhiTrackingRegion.h.

References thePrecise.

{ return thePrecise; }

virtual std::string RectangularEtaPhiTrackingRegion::name ( void  ) const

inlinevirtual

Reimplemented from TrackingRegion.

Definition at line 135 of file RectangularEtaPhiTrackingRegion.h.

{ return "RectangularEtaPhiTrackingRegion"; }

const Margin& RectangularEtaPhiTrackingRegion::phiMargin ( ) const

inline

defined phi range around phi0, margin is [phi_left,phi_right]. region is defined in a range: [phi0-phi_left, phi0+phi_right]

Definition at line 116 of file RectangularEtaPhiTrackingRegion.h.

References thePhiMargin.

Referenced by FastTSGFromL2Muon::clean(), FastTSGFromIOHit::clean(), TrackerSeedCleaner::clean(), and GlobalTrajectoryBuilderBase::defineRegionOfInterest().

{ return thePhiMargin; }

OuterHitPhiPrediction RectangularEtaPhiTrackingRegion::phiWindow ( const edm::EventSetup &  iSetup ) const

private

Definition at line 246 of file RectangularEtaPhiTrackingRegion.cc.

References PixelRecoUtilities::curvature(), max(), and min.

{
  float phi0 = direction().phi();
  return OuterHitPhiPrediction( 
      OuterHitPhiPrediction::Range( phi0-thePhiMargin.left(),
                                    phi0+thePhiMargin.left()),
      OuterHitPhiPrediction::Range( curvature(invPtRange().min(),iSetup), 
                                    curvature(invPtRange().max(),iSetup)),
      originRBound());
}

std::string RectangularEtaPhiTrackingRegion::print ( void  ) const

virtual

Reimplemented from TrackingRegionBase.

Definition at line 382 of file RectangularEtaPhiTrackingRegion.cc.

References TrackingRegionBase::print().

                                                       {
  std::ostringstream str;
  str << TrackingRegionBase::print() 
      <<" eta: "<<theEtaRange<<" phi:"<<thePhiMargin
      << "precise: "<<thePrecise;
  return str.str();
}

HitRZConstraint RectangularEtaPhiTrackingRegion::rzConstraint ( ) const

private

Definition at line 259 of file RectangularEtaPhiTrackingRegion.cc.

References PixelRecoPointRZ::z().

{
  HitRZConstraint::LineOrigin pLeft,pRight;
  float zMin = origin().z() - originZBound();
  float zMax = origin().z() + originZBound();
  float rMin = -originRBound();
  float rMax =  originRBound();
  if(theEtaRange.max() > 0) {
    pRight = HitRZConstraint::LineOrigin(rMin,zMax);
  } else { 
    pRight = HitRZConstraint::LineOrigin(rMax,zMax);
  } 
  if (theEtaRange.min() > 0.) {
    pLeft = HitRZConstraint::LineOrigin(rMax, zMin);
  } else {
    pLeft = HitRZConstraint::LineOrigin(rMin, zMin);
  } 
  return HitRZConstraint(pLeft, sinh(theEtaRange.min()),
                              pRight, sinh(theEtaRange.max()) );
}

Member Data Documentation

Range RectangularEtaPhiTrackingRegion::theEtaRange

private

Definition at line 154 of file RectangularEtaPhiTrackingRegion.h.

Referenced by etaRange().

std::string RectangularEtaPhiTrackingRegion::theMeasurementTrackerName

private

Definition at line 158 of file RectangularEtaPhiTrackingRegion.h.

double RectangularEtaPhiTrackingRegion::theMeasurementTrackerUsage

private

Definition at line 156 of file RectangularEtaPhiTrackingRegion.h.

Margin RectangularEtaPhiTrackingRegion::thePhiMargin

private

Definition at line 155 of file RectangularEtaPhiTrackingRegion.h.

Referenced by phiMargin().

bool RectangularEtaPhiTrackingRegion::thePrecise

private

Definition at line 157 of file RectangularEtaPhiTrackingRegion.h.

Referenced by isPrecise().

bool RectangularEtaPhiTrackingRegion::theUseEtaPhi

private

Definition at line 159 of file RectangularEtaPhiTrackingRegion.h.