RecHitLessByDet Class Reference

#include <RecHitLessByDet.h>

Public Member Functions
bool	operator() (const RecHitPointer &aHit, const RecHitPointer &bHit) const
	RecHitLessByDet (const PropagationDirection &dir)
	~RecHitLessByDet ()

Private Types
typedef TransientTrackingRecHit::ConstRecHitPointer	RecHitPointer

Private Attributes
PropagationDirection	theDirection

Detailed Description

A comparison operator for RecHits. Returns true if the hits are in the order in which they would be seen by an outgoing (or an incoming) track. Only meaningful for RecHits from the same trajectory. Ported from ORCA

Date:

2007/07/18 22:16:06

Revision:

1.7

Author

todorov, cerati

Definition at line 18 of file RecHitLessByDet.h.

Member Typedef Documentation

typedef TransientTrackingRecHit::ConstRecHitPointer RecHitLessByDet::RecHitPointer

private

Definition at line 20 of file RecHitLessByDet.h.

Constructor & Destructor Documentation

RecHitLessByDet::RecHitLessByDet ( const PropagationDirection &  dir )

inline

Definition at line 23 of file RecHitLessByDet.h.

                                                   :
    theDirection(dir) {}

RecHitLessByDet::~RecHitLessByDet ( )

inline

Definition at line 26 of file RecHitLessByDet.h.

{}

Member Function Documentation

bool RecHitLessByDet::operator() ( const RecHitPointer &  aHit, const RecHitPointer &  bHit  ) const

inline

Definition at line 28 of file RecHitLessByDet.h.

References alongMomentum, mag(), and theDirection.

                                                                             {

    return (theDirection == alongMomentum ? 
        (aHit->surface()->toGlobal(aHit->localPosition()).mag() < 
         bHit->surface()->toGlobal(bHit->localPosition()).mag() ) :
        (aHit->surface()->toGlobal(aHit->localPosition()).mag() >
         bHit->surface()->toGlobal(bHit->localPosition()).mag()) );
  }

Member Data Documentation

PropagationDirection RecHitLessByDet::theDirection

private

Definition at line 39 of file RecHitLessByDet.h.

Referenced by operator()().