Reconstruction/MdcPatRec/TrkFitter/include/TrkFitter/TrkCircleRep.h

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkCircleRep.h,v 1.1.1.1 2005/04/21 06:26:56 maqm Exp $
//
// Description:
//      Implementation class for TrkRep using a circle
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//      Steve Schaffner
//
//------------------------------------------------------------------------
 
#ifndef TRKCIRCLEREP_HH
#define TRKCIRCLEREP_HH
 
#include "TrkFitter/TrkCircleTraj.h"
#include "TrkFitter/TrkSimpleRep.h"
 
class TrkCircleRep : public TrkSimpleRep {
public:
  //******************************************
  // Constructors and such (see protected fcns for copy ctor)
  //******************************************
  // Can contain hits:
  TrkCircleRep( const TrkExchangePar& inPar, TrkRecoTrk* myTrack, PdtPid::PidType hypo,
                const TrkHotList* = 0 );
  // No hits:
  TrkCircleRep( const TrkExchangePar& inPar, TrkRecoTrk* myTrack, PdtPid::PidType hypo,
                int nActive, int nSvt, int nDch, double chi2, double startFoundRange,
                double endFoundRange );
  virtual ~TrkCircleRep();
  // specific clone operation for this class
  virtual TrkCircleRep* clone( TrkRecoTrk* newTrack ) const;
  virtual TrkCircleRep* cloneNewHypo( PdtPid::PidType hypo );
 
  //******************************************
  // Global quantities:
  //******************************************
  virtual TrkDifTraj&       traj();
  virtual const TrkDifTraj& traj() const;
 
  //******************************************
  // Information about track at a given position
  //******************************************
  virtual TrkExchangePar helix( double fltLen ) const;
 
  //******************************************
  // Printing
  //******************************************
  virtual void printAll( std::ostream& ostr ) const;
  virtual void print( std::ostream& ostr ) const;
 
protected:
  // copy constructor -- invoked by clone
  TrkCircleRep( const TrkCircleRep& right, TrkRecoTrk* trk, PdtPid::PidType );
  virtual TrkSimpTraj&       simpTraj();
  virtual const TrkSimpTraj& simpTraj() const;
 
private:
  TrkCircleRep& operator=( const TrkCircleRep& right ); // could be implemented
  TrkCircleTraj _traj;
};
#endif