Reconstruction/TrkReco/include/TrkReco/TBuilder0.h

Go to the documentation of this file.

//-----------------------------------------------------------------------------
// $Id: TBuilder0.h,v 1.6 2010/03/31 09:58:59 liucy Exp $
//-----------------------------------------------------------------------------
// Filename : TBuilder0.h
// Section  : Tracking
// Owner    : Yoshi Iwasaki
// Email    : yoshihito.iwasaki@kek.jp
//-----------------------------------------------------------------------------
// Description : A class to build a track.
//               See http://bsunsrv1.kek.jp/~yiwasaki/tracking/
//-----------------------------------------------------------------------------
 
#ifndef TBuilder0_FLAG_
#define TBuilder0_FLAG_
 
#ifdef TRKRECO_DEBUG_DETAIL
#  ifndef TRKRECO_DEBUG
#    define TRKRECO_DEBUG
#  endif
#endif
 
#include <string>
 
// #define HEP_SHORT_NAMES
#include "CLHEP/Alist/AList.h"
#include "TrkReco/TCosmicFitter.h"
#include "TrkReco/THelixFitter.h"
#include "TrkReco/TMSelector.h"
 
class TTrack;
class TMLink;
class TSegment;
 
/// A class to build a track.
class TBuilder0 {
 
public:
  /// Constructor.
  TBuilder0( const std::string& name );
 
  /// Constructor with salvage level.
  TBuilder0( const std::string& name, float salvageLevel );
 
  /// Constructor with parameters.
  TBuilder0( const std::string& name, float stereoZ3, float stereoZ4, float stereoChisq3,
             float stereoChisq4, float stereoMaxSigma, unsigned fittingCorrections,
             float salvageLevel );
 
  /// Destructor
  virtual ~TBuilder0();
 
public: // Selectors
  /// returns name.
  const std::string& name( void ) const;
 
  /// dumps debug information.
  void dump( const std::string& message = std::string( "" ),
             const std::string& prefix  = std::string( "" ) ) const;
 
  /// returns a track selector.
  const TMSelector& trackSelector( void ) const;
 
  /// builds a r/phi track from TMLinks or from Segments.
  TTrack* buildRphi( const AList<TMLink>& ) const;
 
  /// appends stereo hits to a track. (old version)
  TTrack* buildStereo0( TTrack& track, const AList<TMLink>& ) const;
 
  /// appends stereo hits to a track.
  virtual TTrack* buildStereo( TTrack& track, const AList<TMLink>& ) const;
 
  /// appends TMLinks in a list.
  void appendClusters( TTrack& track, const AList<TMLink>& ) const;
 
  /// salvages links in a list. Used links will be removed from a list.
  void salvage( TTrack& track, AList<TMLink>& list ) const;
 
  /// fits a track using a private fitter.
  virtual int fit( TTrackBase& ) const;
 
public: // Modifiers
  /// sets a track selector.
  virtual const TMSelector& trackSelector( const TMSelector& );
 
private: //
  void selectHits( AList<TMLink>& list ) const;
  // -50:bad consective, -20:not consective, -1:not in the same layer, 0:consective and
  // chrg<=0, 1:consective and chrg>0
  int  consectiveHits( TMLink& l, TMLink& s, int ichg ) const;
  int  check2CnHits( TMLink& l, TMLink& s, int ichg ) const;
  int  checkHits( unsigned i, unsigned j, unsigned k ) const;
  void salvageNormal( TTrack& track, AList<TMLink>& list ) const;
 
private:
  std::string _name;
  //    THelixFitter _fitter;
  TCosmicFitter _fitter;
  double        _salvageLevel;
 
protected: // for buildRphi
  TMSelector _circleSelector;
  TMSelector _trackSelector;
 
protected: // for buildStereo
  TMSelector _lineSelector;
  float      _stereoZ3;
  float      _stereoZ4;
  float      _stereoChisq3;
  float      _stereoChisq4;
  float      _stereoMaxSigma;
};
 
//-----------------------------------------------------------------------------
 
#ifdef TBuilder0_NO_INLINE
#  define inline
#else
#  undef inline
#  define TBuilder0_INLINE_DEFINE_HERE
#endif
 
#ifdef TBuilder0_INLINE_DEFINE_HERE
 
inline const TMSelector& TBuilder0::trackSelector( void ) const { return _trackSelector; }
 
inline const std::string& TBuilder0::name( void ) const { return _name; }
 
inline int TBuilder0::fit( TTrackBase& a ) const { return _fitter.fit( a ); }
 
#endif
 
#undef inline
 
#endif /* TBuilder0_FLAG_ */