/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/RecoTracker/TkDetLayers/interface/TOBLayer.h

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#ifndef TkDetLayers_TOBLayer_h
#define TkDetLayers_TOBLayer_h


#include "TrackingTools/DetLayers/interface/RodBarrelLayer.h"
#include "RecoTracker/TkDetLayers/interface/TOBRod.h"
#include "Utilities/BinningTools/interface/PeriodicBinFinderInPhi.h"
#include "RecoTracker/TkDetLayers/interface/SubLayerCrossings.h"

class TOBLayer : public RodBarrelLayer, public GeometricSearchDetWithGroups{
 public:
  typedef PeriodicBinFinderInPhi<double>   BinFinderType;


  TOBLayer(std::vector<const TOBRod*>& innerRods,
           std::vector<const TOBRod*>& outerRods);
  ~TOBLayer();
  
  // GeometricSearchDet interface
  
  virtual const std::vector<const GeomDet*>& basicComponents() const {return theBasicComps;}

  virtual const std::vector<const GeometricSearchDet*>& components() const {return theComps;}

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


  // DetLayer interface
  virtual SubDetector subDetector() const {return GeomDetEnumerators::TOB;}
 

 private:
  // private methods for the implementation of groupedCompatibleDets()

  SubLayerCrossings computeCrossings( const TrajectoryStateOnSurface& tsos,
                                      PropagationDirection propDir) const;
  
  bool addClosest( const TrajectoryStateOnSurface& tsos,
                   const Propagator& prop,
                   const MeasurementEstimator& est,
                   const SubLayerCrossing& crossing,
                   std::vector<DetGroup>& result) const;

  float computeWindowSize( const GeomDet* det, 
                           const TrajectoryStateOnSurface& tsos, 
                           const MeasurementEstimator& est) const;
  
  double calculatePhiWindow( double Xmax, const GeomDet& det,
                             const TrajectoryStateOnSurface& state) const;

  bool overlap( const GlobalPoint& gpos, const GeometricSearchDet& rod, float phiWin) 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 {
    return (ind==0 ? theInnerComps : theOuterComps);}
  
  BoundCylinder* cylinder( const std::vector<const GeometricSearchDet*>& rods) const ;


 private:
  std::vector<const GeometricSearchDet*> theComps;
  std::vector<const GeometricSearchDet*> theInnerComps;
  std::vector<const GeometricSearchDet*> theOuterComps;
  std::vector<const GeomDet*> theBasicComps;
  
  BinFinderType    theInnerBinFinder;
  BinFinderType    theOuterBinFinder;

  ReferenceCountingPointer<BoundCylinder>  theInnerCylinder;
  ReferenceCountingPointer<BoundCylinder>  theOuterCylinder;
    
};


#endif