TIBLayer Class Reference

#include <TIBLayer.h>

Inheritance diagram for TIBLayer:

Public Member Functions
virtual const std::vector < const GeomDet * > &	basicComponents () const
virtual const std::vector < const GeometricSearchDet * > &	components () const
	Returns basic components, if any. More...
void	groupedCompatibleDetsV (const TrajectoryStateOnSurface &tsos, const Propagator &prop, const MeasurementEstimator &est, std::vector< DetGroup > &result) const
virtual SubDetector	subDetector () const
	The type of detector (PixelBarrel, PixelEndcap, TIB, TOB, TID, TEC, CSC, DT, RPCBarrel, RPCEndcap) More...
	TIBLayer (std::vector< const TIBRing * > &innerRings, std::vector< const TIBRing * > &outerRings)
	~TIBLayer ()
Public Member Functions inherited from BarrelDetLayer
	BarrelDetLayer ()
virtual std::pair< bool, TrajectoryStateOnSurface >	compatible (const TrajectoryStateOnSurface &ts, const Propagator &, const MeasurementEstimator &) const
bool	contains (const Local3DPoint &p) const
virtual Location	location () const
	DetLayer interface. More...
virtual const BoundCylinder &	specificSurface () const
	Extension of the interface. More...
virtual const BoundSurface &	surface () const
	GeometricSearchDet interface. More...
virtual	~BarrelDetLayer ()
Public Member Functions inherited from DetLayer
std::vector< const DetLayer * >	compatibleLayers (NavigationDirection direction) const
std::vector< const DetLayer * >	compatibleLayers (const FreeTrajectoryState &fts, PropagationDirection timeDirection) const
std::vector< const DetLayer * >	compatibleLayers (const FreeTrajectoryState &fts, PropagationDirection timeDirection, int &counter) const
	DetLayer ()
NavigableLayer *	navigableLayer () const
	Return the NavigableLayer associated with this DetLayer. More...
virtual std::vector< const DetLayer * >	nextLayers (NavigationDirection direction) const
virtual std::vector< const DetLayer * >	nextLayers (const FreeTrajectoryState &fts, PropagationDirection timeDirection) const
virtual void	setNavigableLayer (NavigableLayer *nlp)
	Set the NavigableLayer associated with this DetLayer. More...
virtual	~DetLayer ()
Public Member Functions inherited from GeometricSearchDet
virtual std::vector< DetWithState >	compatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const
	GeometricSearchDet ()
virtual std::vector< DetGroup >	groupedCompatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const
virtual const Surface::PositionType &	position () const
	Returns position of the surface. More...
virtual	~GeometricSearchDet ()
Public Member Functions inherited from GeometricSearchDetWithGroups
void	compatibleDetsV (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est, std::vector< DetWithState > &result) const
bool	hasGroups () const

Private Member Functions
bool	addClosest (const TrajectoryStateOnSurface &tsos, const Propagator &prop, const MeasurementEstimator &est, const SubLayerCrossing &crossing, std::vector< DetGroup > &result) const
SubLayerCrossings	computeCrossings (const TrajectoryStateOnSurface &startingState, PropagationDirection propDir) const
float	computeWindowSize (const GeomDet *det, const TrajectoryStateOnSurface &tsos, const MeasurementEstimator &est) const
BoundCylinder *	cylinder (const std::vector< const GeometricSearchDet * > &rings)
bool	overlap (const GlobalPoint &gpos, const GeometricSearchDet &ring, float window) const
void	searchNeighbors (const TrajectoryStateOnSurface &tsos, const Propagator &prop, const MeasurementEstimator &est, const SubLayerCrossing &crossing, float window, std::vector< DetGroup > &result, bool checkClosest) const
const std::vector< const GeometricSearchDet * > &	subLayer (int ind) const

Private Attributes
std::vector< const GeomDet * >	theBasicComps
std::vector< const GeometricSearchDet * >	theComps
GeneralBinFinderInZforGeometricSearchDet < float >	theInnerBinFinder
std::vector< const GeometricSearchDet * >	theInnerComps
ReferenceCountingPointer < BoundCylinder >	theInnerCylinder
GeneralBinFinderInZforGeometricSearchDet < float >	theOuterBinFinder
std::vector< const GeometricSearchDet * >	theOuterComps
ReferenceCountingPointer < BoundCylinder >	theOuterCylinder

Additional Inherited Members
Public Types inherited from DetLayer
typedef GeomDetEnumerators::Location	Location
typedef GeomDetEnumerators::SubDetector	SubDetector
Public Types inherited from GeometricSearchDet
typedef std::pair< const GeomDet *, TrajectoryStateOnSurface >	DetWithState
typedef BoundSurface::PositionType	PositionType
typedef BoundSurface::RotationType	RotationType
typedef TrajectoryStateOnSurface	TrajectoryState
Public Types inherited from GeometricSearchDetWithGroups
typedef GeometricSearchDet::DetWithState	DetWithState
Protected Member Functions inherited from BarrelDetLayer
virtual BoundCylinder *	computeSurface ()
virtual void	initialize ()
void	setSurface (BoundCylinder *cp)
Protected Attributes inherited from GeometricSearchDet
GeomDetCompatibilityChecker	theCompatibilityChecker

Detailed Description

A concrete implementation for TIB layer built out of TIBRings

Definition at line 15 of file TIBLayer.h.

Constructor & Destructor Documentation

TIBLayer::TIBLayer	(	std::vector< const TIBRing * > &	innerRings,
		std::vector< const TIBRing * > &	outerRings
	)

Definition at line 20 of file TIBLayer.cc.

References BoundSurface::bounds(), cylinder(), i, BarrelDetLayer::initialize(), Bounds::length(), LogDebug, Cylinder::radius(), python.multivaluedict::sort(), BarrelDetLayer::specificSurface(), theBasicComps, theComps, theInnerBinFinder, theInnerComps, theInnerCylinder, theOuterBinFinder, theOuterComps, theOuterCylinder, and Bounds::thickness().

                                               : 
  theInnerComps(innerRings.begin(),innerRings.end()), 
  theOuterComps(outerRings.begin(),outerRings.end())
{
  theComps.assign(theInnerComps.begin(),theInnerComps.end());
  theComps.insert(theComps.end(),theOuterComps.begin(),theOuterComps.end());
  
  sort(theComps.begin(),theComps.end(),DetLessZ());
  sort(theInnerComps.begin(),theInnerComps.end(),DetLessZ());
  sort(theOuterComps.begin(),theOuterComps.end(),DetLessZ());
  
  for(vector<const GeometricSearchDet*>::const_iterator it=theComps.begin();
      it!=theComps.end();it++){  
    theBasicComps.insert(theBasicComps.end(),   
             (**it).basicComponents().begin(),
             (**it).basicComponents().end());
  }

  // initialize the surface
  theInnerCylinder = cylinder( theInnerComps);
  theOuterCylinder = cylinder( theOuterComps);
  initialize();
  
  LogDebug("TkDetLayers") << "==== DEBUG TIBLayer =====" ; 
  LogDebug("TkDetLayers") << "innerCyl radius, thickness, lenght: " 
              << theInnerCylinder->radius() << " , "
              << theInnerCylinder->bounds().thickness() << " , "
              << theInnerCylinder->bounds().length() ;
 
  LogDebug("TkDetLayers") << "outerCyl radius, thickness, lenght: " 
              << theOuterCylinder->radius() << " , "
              << theOuterCylinder->bounds().thickness() << " , "
              << theOuterCylinder->bounds().length() ;

  LogDebug("TkDetLayers") << "Cyl radius, thickness, lenght: " 
              << specificSurface().radius() << " , "
              << specificSurface().bounds().thickness() << " , "
              << specificSurface().bounds().length() ;

  for (vector<const GeometricSearchDet*>::const_iterator i=theInnerComps.begin();
       i != theInnerComps.end(); i++){
    LogDebug("TkDetLayers") << "inner TIBRing pos z,radius,eta,phi: " 
                << (**i).position().z() << " , " 
                << (**i).position().perp() << " , " 
                << (**i).position().eta() << " , " 
                << (**i).position().phi() ;
  }

  for (vector<const GeometricSearchDet*>::const_iterator i=theOuterComps.begin();
       i != theOuterComps.end(); i++){
    LogDebug("TkDetLayers") << "outer TIBRing pos z,radius,eta,phi: " 
                << (**i).position().z() << " , " 
                << (**i).position().perp() << " , " 
                << (**i).position().eta() << " , " 
                << (**i).position().phi() ;
  }
  


  // initialise the bin finders
  //  vector<const GeometricSearchDet*> tmpIn;
  //for (vector<const TIBRing*>::const_iterator i=theInnerRings.begin();
  //     i != theInnerRings.end(); i++) tmpIn.push_back(*i);
  theInnerBinFinder = GeneralBinFinderInZforGeometricSearchDet<float>(theInnerComps.begin(), 
                                      theInnerComps.end());
 
  theOuterBinFinder = GeneralBinFinderInZforGeometricSearchDet<float>(theOuterComps.begin(),
                                      theOuterComps.end());
}

TIBLayer::~TIBLayer

(

)

Definition at line 91 of file TIBLayer.cc.

References i, and theComps.

                   {
  vector<const GeometricSearchDet*>::const_iterator i;
  for (i=theComps.begin(); i!=theComps.end(); i++) {
    delete *i;
  }
} 

Member Function Documentation

bool TIBLayer::addClosest ( const TrajectoryStateOnSurface &  tsos, const Propagator &  prop, const MeasurementEstimator &  est, const SubLayerCrossing &  crossing, std::vector< DetGroup > &  result  ) const

private

Definition at line 197 of file TIBLayer.cc.

References CompatibleDetToGroupAdder::add(), SubLayerCrossing::closestDetIndex(), subLayer(), and SubLayerCrossing::subLayerIndex().

Referenced by groupedCompatibleDetsV().

{
//   edm::LogInfo(TkDetLayers) << "Entering TIBLayer::addClosest" ;

  const vector<const GeometricSearchDet*>& sub( subLayer( crossing.subLayerIndex()));
  const Det* det(sub[crossing.closestDetIndex()]);
  return CompatibleDetToGroupAdder().add( *det, tsos, prop, est, result);
}

virtual const std::vector<const GeomDet*>& TIBLayer::basicComponents ( ) const

inlinevirtual

Implements GeometricSearchDet.

Definition at line 25 of file TIBLayer.h.

References theBasicComps.

{return theBasicComps;}

virtual const std::vector<const GeometricSearchDet*>& TIBLayer::components ( ) const

inlinevirtual

Returns basic components, if any.

Returns direct components, if any

Implements GeometricSearchDet.

Definition at line 27 of file TIBLayer.h.

References theComps.

{return theComps;}

SubLayerCrossings TIBLayer::computeCrossings ( const TrajectoryStateOnSurface &  startingState, PropagationDirection  propDir  ) const

private

Definition at line 162 of file TIBLayer.cc.

References GeneralBinFinderInZforGeometricSearchDet< T >::binIndex(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), HelixBarrelCylinderCrossing::hasSolution(), GloballyPositioned< T >::position(), HelixBarrelCylinderCrossing::position(), rho, GeometricSearchDet::surface(), theInnerBinFinder, theInnerComps, theInnerCylinder, theOuterBinFinder, theOuterComps, theOuterCylinder, TrajectoryStateOnSurface::transverseCurvature(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by groupedCompatibleDetsV().

{
  GlobalPoint startPos( startingState.globalPosition());
  GlobalVector startDir( startingState.globalMomentum());
  double rho( startingState.transverseCurvature());

  HelixBarrelCylinderCrossing innerCrossing( startPos, startDir, rho,
                         propDir,*theInnerCylinder);
  if (!innerCrossing.hasSolution()) return SubLayerCrossings(); 

  GlobalPoint gInnerPoint( innerCrossing.position());
  int innerIndex = theInnerBinFinder.binIndex(gInnerPoint.z());
  const GeometricSearchDet* innerRing( theInnerComps[innerIndex]);
  float innerDist = fabs( innerRing->surface().position().z() - gInnerPoint.z());
  SubLayerCrossing innerSLC( 0, innerIndex, gInnerPoint);

  HelixBarrelCylinderCrossing outerCrossing( startPos, startDir, rho,
                         propDir,*theOuterCylinder);
  if (!outerCrossing.hasSolution()) return SubLayerCrossings();

  GlobalPoint gOuterPoint( outerCrossing.position());
  int outerIndex = theOuterBinFinder.binIndex(gOuterPoint.z());
  const GeometricSearchDet* outerRing( theOuterComps[outerIndex]);
  float outerDist = fabs( outerRing->surface().position().z() - gOuterPoint.z());
  SubLayerCrossing outerSLC( 1, outerIndex, gOuterPoint);

  if (innerDist < outerDist) {
    return SubLayerCrossings( innerSLC, outerSLC, 0);
  }
  else {
    return SubLayerCrossings( outerSLC, innerSLC, 1);
  } 
}

float TIBLayer::computeWindowSize ( const GeomDet *  det, const TrajectoryStateOnSurface &  tsos, const MeasurementEstimator &  est  ) const

private

Definition at line 265 of file TIBLayer.cc.

References BoundSurface::bounds(), TrajectoryStateOnSurface::globalMomentum(), MeasurementEstimator::maximalLocalDisplacement(), GeomDet::surface(), funct::tan(), PV3DBase< T, PVType, FrameType >::theta(), Bounds::thickness(), and PV2DBase< T, PVType, FrameType >::y().

Referenced by groupedCompatibleDetsV().

{
  // we assume the outer and inner rings have about same thickness...

//   edm::LogInfo(TkDetLayers) << "TIBLayer::computeWindowSize: Y axis of tangent plane is"
//        << plane.toGlobal( LocalVector(0,1,0)) ;

  MeasurementEstimator::Local2DVector localError( est.maximalLocalDisplacement(tsos, det->surface()));
  float yError = localError.y();

  float tanTheta = tan( tsos.globalMomentum().theta());
  float thickCorrection = det->surface().bounds().thickness() / (2.*fabs( tanTheta));

  // FIXME: correct this in case of wide phi window !  

  return yError + thickCorrection;
}

BoundCylinder * TIBLayer::cylinder ( const std::vector< const GeometricSearchDet * > &  rings )

private

Definition at line 102 of file TIBLayer.cc.

References BoundSurface::bounds(), Bounds::length(), GloballyPositioned< T >::position(), alignCSCRings::r, Cylinder::radius(), Bounds::thickness(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by TIBLayer().

{
  float leftPos = rings.front()->surface().position().z();
  float rightPos = rings.back()->surface().position().z();

  const BoundCylinder & frontRing = static_cast<const BoundCylinder &>(rings.front()->surface());
  const BoundCylinder & backRing  = static_cast<const BoundCylinder &>(rings.back()->surface());
  float r = frontRing.radius(); 
  const Bounds& leftBounds  = frontRing.bounds();
  const Bounds& rightBounds = backRing.bounds();

  //float r = rings.front()->specificSurface().radius();
  //const Bounds& leftBounds = rings.front()->specificSurface().bounds();
  //const Bounds& rightBounds = rings.back()->specificSurface().bounds();

  float thick = leftBounds.thickness() / 2;
  float zmin = leftPos  - leftBounds.length() / 2;
  float zmax = rightPos + rightBounds.length() / 2;
  float rmin = r-thick;
  float rmax = r+thick;
  float zpos = 0.5*(leftPos+rightPos);

  return new BoundCylinder( Surface::PositionType( 0, 0, zpos), 
                rings.front()->surface().rotation(),
                SimpleCylinderBounds( rmin, rmax,
                          zmin-zpos, zmax-zpos));
}

void TIBLayer::groupedCompatibleDetsV ( const TrajectoryStateOnSurface &  tsos, const Propagator &  prop, const MeasurementEstimator &  est, std::vector< DetGroup > &  result  ) const

virtual

Reimplemented from GeometricSearchDet.

Definition at line 133 of file TIBLayer.cc.

References addClosest(), LayerCrossingSide::barrelSide(), SubLayerCrossings::closest(), SubLayerCrossings::closestIndex(), computeCrossings(), computeWindowSize(), SubLayerCrossings::isValid(), DetGroupMerger::orderAndMergeTwoLevels(), SubLayerCrossings::other(), Propagator::propagationDirection(), searchNeighbors(), and svgfig::window().

                                                      {
  SubLayerCrossings  crossings; 
  crossings = computeCrossings( tsos, prop.propagationDirection());
  if(! crossings.isValid()) return;
  
  vector<DetGroup> closestResult;
  addClosest( tsos, prop, est, crossings.closest(), closestResult);
  // this differs from compatibleDets logic, which checks next in such cases!!!
  if (closestResult.empty())    return;
  
  
  DetGroupElement closestGel( closestResult.front().front());
  float window = computeWindowSize( closestGel.det(), closestGel.trajectoryState(), est);

  searchNeighbors( tsos, prop, est, crossings.closest(), window,
           closestResult, false);

  vector<DetGroup> nextResult;
  searchNeighbors( tsos, prop, est, crossings.other(), window,
           nextResult, true);

  int crossingSide = LayerCrossingSide().barrelSide( closestGel.trajectoryState(), prop);
  DetGroupMerger::orderAndMergeTwoLevels( closestResult, nextResult, result, 
                      crossings.closestIndex(), crossingSide);
}

bool TIBLayer::overlap ( const GlobalPoint &  gpos, const GeometricSearchDet &  ring, float  window  ) const

private

Definition at line 248 of file TIBLayer.cc.

References BoundSurface::bounds(), Bounds::length(), GeometricSearchDet::position(), GeometricSearchDet::surface(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by searchNeighbors().

{
  float halfLength = det.surface().bounds().length()/2.;

//   edm::LogInfo(TkDetLayers) << " TIBLayer: checking ring with z " << det.position().z();

  if ( fabs( crossPoint.z()-det.position().z()) < (halfLength + window)) {
//     edm::LogInfo(TkDetLayers) << "    PASSED" ;
    return true;
  } else {
//     edm::LogInfo(TkDetLayers) << "    FAILED " ;
    return false;
  }
}

void TIBLayer::searchNeighbors ( const TrajectoryStateOnSurface &  tsos, const Propagator &  prop, const MeasurementEstimator &  est, const SubLayerCrossing &  crossing, float  window, std::vector< DetGroup > &  result, bool  checkClosest  ) const

private

Definition at line 210 of file TIBLayer.cc.

References Clusterizer1DCommons::add(), SubLayerCrossing::closestDetIndex(), overlap(), SubLayerCrossing::position(), subLayer(), SubLayerCrossing::subLayerIndex(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by groupedCompatibleDetsV().

{
  GlobalPoint gCrossingPos = crossing.position();

  const vector<const GeometricSearchDet*>& sLayer( subLayer( crossing.subLayerIndex()));
 
  int closestIndex = crossing.closestDetIndex();
  int negStartIndex = closestIndex-1;
  int posStartIndex = closestIndex+1;

  if (checkClosest) { // must decide if the closest is on the neg or pos side
    if (gCrossingPos.z() < sLayer[closestIndex]->surface().position().z()) {
      posStartIndex = closestIndex;
    }
    else {
      negStartIndex = closestIndex;
    }
  }

  typedef CompatibleDetToGroupAdder Adder;
  for (int idet=negStartIndex; idet >= 0; idet--) {
    const GeometricSearchDet* neighborRing = sLayer[idet];
    if (!overlap( gCrossingPos, *neighborRing, window)) break;
    if (!Adder::add( *neighborRing, tsos, prop, est, result)) break;
  }
  for (int idet=posStartIndex; idet < static_cast<int>(sLayer.size()); idet++) {
    const GeometricSearchDet* neighborRing = sLayer[idet];
    if (!overlap( gCrossingPos, *neighborRing, window)) break;
    if (!Adder::add( *neighborRing, tsos, prop, est, result)) break;
  }
}

virtual SubDetector TIBLayer::subDetector ( ) const

inlinevirtual

The type of detector (PixelBarrel, PixelEndcap, TIB, TOB, TID, TEC, CSC, DT, RPCBarrel, RPCEndcap)

Implements DetLayer.

Definition at line 35 of file TIBLayer.h.

References GeomDetEnumerators::TIB.

{return GeomDetEnumerators::TIB;}

const std::vector<const GeometricSearchDet*>& TIBLayer::subLayer ( int  ind ) const

inlineprivate

Definition at line 64 of file TIBLayer.h.

References theInnerComps, and theOuterComps.

Referenced by addClosest(), and searchNeighbors().

                                                                       {
    return (ind==0 ? theInnerComps : theOuterComps);
  }

Member Data Documentation

std::vector<const GeomDet*> TIBLayer::theBasicComps

private

Definition at line 73 of file TIBLayer.h.

Referenced by basicComponents(), and TIBLayer().

std::vector<const GeometricSearchDet*> TIBLayer::theComps

private

Definition at line 70 of file TIBLayer.h.

Referenced by components(), TIBLayer(), and ~TIBLayer().

GeneralBinFinderInZforGeometricSearchDet<float> TIBLayer::theInnerBinFinder

private

Definition at line 78 of file TIBLayer.h.

Referenced by computeCrossings(), and TIBLayer().

std::vector<const GeometricSearchDet*> TIBLayer::theInnerComps

private

Definition at line 71 of file TIBLayer.h.

Referenced by computeCrossings(), subLayer(), and TIBLayer().

ReferenceCountingPointer<BoundCylinder> TIBLayer::theInnerCylinder

private

Definition at line 75 of file TIBLayer.h.

Referenced by computeCrossings(), and TIBLayer().

GeneralBinFinderInZforGeometricSearchDet<float> TIBLayer::theOuterBinFinder

private

Definition at line 79 of file TIBLayer.h.

Referenced by computeCrossings(), and TIBLayer().

std::vector<const GeometricSearchDet*> TIBLayer::theOuterComps

private

Definition at line 72 of file TIBLayer.h.

Referenced by computeCrossings(), subLayer(), and TIBLayer().

ReferenceCountingPointer<BoundCylinder> TIBLayer::theOuterCylinder

private

Definition at line 76 of file TIBLayer.h.

Referenced by computeCrossings(), and TIBLayer().