VertexDistance.h

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#ifndef VertexDistance_H
#define VertexDistance_H
 
#include "DataFormats/GeometryCommonDetAlgo/interface/Measurement1D.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/GeometryVector/interface/GlobalVector.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "DataFormats/GeometryCommonDetAlgo/interface/GlobalError.h"
 
class VertexState;
 
class VertexDistance {
public:
  virtual ~VertexDistance() {}
 
  Measurement1D distance(const reco::Vertex &, const reco::Vertex &) const;
 
  Measurement1D distance(const VertexState &, const VertexState &) const;
 
  Measurement1D distance(const reco::Vertex &, const VertexState &) const;
 
  Measurement1D distance(const VertexState &, const reco::Vertex &) const;
 
  virtual Measurement1D signedDistance(const reco::Vertex &primVtx,
                                       const reco::Vertex &secVtx,
                                       const GlobalVector &momentum) const = 0;
 
  virtual float compatibility(const reco::Vertex &, const reco::Vertex &) const;
 
  virtual float compatibility(const VertexState &, const VertexState &) const;
 
  virtual float compatibility(const reco::Vertex &, const VertexState &) const;
 
  virtual float compatibility(const VertexState &, const reco::Vertex &) const;
 
  virtual VertexDistance *clone() const = 0;
 
protected:
  virtual Measurement1D distance(const GlobalPoint &vtx1Position,
                                 const GlobalError &vtx1PositionError,
                                 const GlobalPoint &vtx2Position,
                                 const GlobalError &vtx2PositionError) const = 0;
 
  virtual float compatibility(const GlobalPoint &vtx1Position,
                              const GlobalError &vtx1PositionError,
                              const GlobalPoint &vtx2Position,
                              const GlobalError &vtx2PositionError) const = 0;
};
#endif  //  Tracker_VertexDistance_H