InstallArea/include/TrkReco/TrkReco/TBuilder0.h

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//-----------------------------------------------------------------------------
// $Id: TBuilder0.h,v 1.6 2010/03/31 09:58:59 liucy Exp $
//-----------------------------------------------------------------------------
// Filename : TBuilder0.h
// Section  : Tracking
// Owner    : Yoshi Iwasaki
// Email    : [email protected]
//-----------------------------------------------------------------------------
// 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/TMSelector.h"
#include "TrkReco/THelixFitter.h"
#include "TrkReco/TCosmicFitter.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_ */