/data/refman/pasoursint/CMSSW_6_1_2_SLHC2/src/DataFormats/TrackingRecHit/interface/RecHit1D.h

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#ifndef TrackingRecHit_RecHit1D_H
#define TrackingRecHit_RecHit1D_H

#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
#include "DataFormats/GeometrySurface/interface/LocalError.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"


class RecHit1D : public TrackingRecHit {
 public:

  RecHit1D(DetId id) : TrackingRecHit(id) {}
  RecHit1D(TrackingRecHit::id_type id=0) : TrackingRecHit(id) {}

  virtual ~RecHit1D() {}


  virtual AlgebraicVector parameters() const;


  virtual AlgebraicSymMatrix parametersError() const;


  virtual AlgebraicMatrix projectionMatrix() const {
    if ( !isInitialized) initialize();
    return theProjectionMatrix;
  }


  virtual int dimension() const {
    return 1;
  }


  virtual LocalPoint localPosition() const = 0;


  virtual LocalError localPositionError() const = 0;


 private:

  static bool isInitialized;

  static AlgebraicMatrix theProjectionMatrix;

  void initialize() const;

};
#endif