Reconstruction/MdcPatRec/MdcTrkRecon/include/MdcTrkRecon/MdcTrack.h

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// MdcTrack.h
//   class to hold a drift chamber track; contains a TrkRecoTrk.
 
#ifndef MDCTRACK_H
#define MDCTRACK_H
 
#include "MdcRecEvent/RecMdcHit.h"
#include "MdcRecEvent/RecMdcTrack.h"
class MdcSeg;
class MdcSegListO;
class MdcLayer;
class BesAngle;
class TrkRep;
class TrkRecoTrk;
class TrkExchangePar;
class TrkContext;
 
// Class definition
class MdcTrack {
public:
  MdcTrack( TrkRecoTrk* aTrack );
  MdcTrack( int nsupers, const TrkExchangePar& par, double chisq, TrkContext&,
            double trackT0 );
  ~MdcTrack();
  bool operator==( const MdcTrack& tk ) const;
 
  TrkRecoTrk&       track() { return *_theTrack; }
  const TrkRecoTrk& track() const { return *_theTrack; }
  void              setTrack( TrkRecoTrk* trk ) { _theTrack = trk; }
  int               hasCurled() const { return _haveCurled; }
  const MdcLayer*   firstLayer() const { return _firstLayer; }
  const MdcLayer*   lastLayer() const { return _lastLayer; }
 
  void setHasCurled( bool c = true ) { _haveCurled = c; }
  void setFirstLayer( const MdcLayer* l ) { _firstLayer = l; }
  void setLastLayer( const MdcLayer* l ) { _lastLayer = l; }
 
  // projectToR ret -1 if no intersect
  int projectToR( double radius, BesAngle& phiIntersect, int lCurl = 0 ) const;
  int projectToR( double radius, BesAngle& phiIntersect, double& arcLength,
                  int lCurl = 0 ) const;
  // yzhang for store to TDS
  void storeTrack( int trackId, RecMdcTrackCol* trackList, RecMdcHitCol* hitList, int tkStat );
  // zhangy
private:
  TrkRecoTrk*     _theTrack;
  const MdcLayer* _firstLayer; // first layer known to have good hit on track
  const MdcLayer* _lastLayer;  // you figure it out
  int             _haveCurled; // includes hits past curl point
 
  MdcTrack& operator=( const MdcTrack& );
  MdcTrack( const MdcTrack& );
};
 
#endif