StRoot: Stl3Util/ftf/FtfTrack.h Source File

00001 //:>----------------------------------------------------------------------
00002 //: FILE:      FtfTrack.h
00003 //: HISTORY:
00004 //:           27jan2000  start writting changes 
00005 //:                      refHit replaced by xRefHit and yRefHit
00006 //:           27jan2000  VOLUME, ROW and AREA classes replaced by FtfContainer
00007 //:            9mar2000  trackLength moved to FtfBaseTrack
00008 //:            9mar2000  use void pointers
00009 //:>----------------------------------------------------------------------
00010 #ifndef FTFTRACK
00011 #define FTFTRACK
00012 #include "Stl3Util/ftf/FtfGeneral.h"
00013 #include "Stl3Util/ftf/FtfBaseTrack.h"
00014 #include "Stl3Util/ftf/FtfHit.h"
00015 #include "Stl3Util/ftf/FtfPara.h"
00016 
00017 int const USE_SEGMENT= 1 ;
00018 int const USE_FOLLOW = 2 ;
00019 int const GO_DOWN    =-1 ;
00020 int const GO_UP      = 1 ;
00021 
00022 class FtfTrack : public FtfBaseTrack {
00023           
00024 public:
00025    friend class FtfFinder ;
00026 
00027    void      add                   ( FtfHit   *thisHit, int way ) ;
00028    void      add                   ( FtfTrack *thisTrack ) ;
00029    int       buildTrack            ( FtfHit *firstHit, FtfContainer *volume ) ;
00030    void      dEdx                  ( ) ;
00031    void      deleteCandidate       ( ) ;
00032    void      fill                  ( ) ;
00033    void      fillPrimary           ( double &xc, double &yc, double &rc,
00034                                      double xPar, double yPar ) ;
00035    void      fillSecondary         ( double &xc, double &yc, double xPar, double yPar ) ;
00036    int       follow                ( FtfContainer *volume, int way, int rowToStop ) ;
00037    int       followHitSelection    ( FtfHit *baseHit, FtfHit *candidateHit ) ;
00038    FtfTrack* getNextTrack ( )      { return (FtfTrack *)nxatrk ; } ; 
00039    int       mergePrimary          ( FtfContainer   *trackArea ) ;
00040    void      reset                 ( ) ;
00041    FtfHit    *seekNextHit          ( FtfContainer  *volume, FtfHit *baseHit,
00042                                      int nradiusSteps, int whichFunction ) ;
00043    int     segment               ( FtfContainer *volume, int way ) ;
00044    int     segmentHitSelection ( FtfHit *baseHit, FtfHit *candidateHit ) ;
00045    void    *nxatrk  ;      
00046         
00047 #ifdef DEBUG
00048    void debugAsk                 ( ) ;
00049    void debugDeleteCandidate     ( ) ;
00050    void debugFill                ( ) ;
00051    void debugFollowCandidate     ( FtfHit *candidate_hit ) ;
00052    void debugFollowSuccess       ( double dxy, double dsz, double lchi2_xy,
00053                                    double lchi2_sz, double chi2_min,
00054                                    FtfHit *candidate_hit ) ;
00055    void debugInVolume            ( FtfHit *base_hit, FtfHit *current_hit ) ;
00056    void debugNew                 ( ) ;
00057 #endif
00058                 
00059    float   lastXyAngle ;    // Angle in the xy plane of line connecting to last hits        
00060    typedef double vfit ;
00061                 
00062    vfit    xRefHit ;
00063    vfit    yRefHit ;
00064    vfit    xLastHit ;
00065    vfit    yLastHit ;
00066 
00067    vfit    s11Xy  ;       // Fit Parameters
00068    vfit    s12Xy  ;
00069    vfit    s22Xy  ;
00070    vfit    g1Xy   ;
00071    vfit    g2Xy   ;       
00072    vfit    s11Sz  ;
00073    vfit    s12Sz  ;
00074    vfit    s22Sz  ;
00075    vfit    g1Sz   ;
00076    vfit    g2Sz   ; 
00077 
00078    vfit    ddXy, a1Xy, a2Xy ;    /*fit par in xy */
00079    vfit    ddSz, a1Sz, a2Sz ;    /*fit par in sz */
00080 //private:
00081    inline virtual   void nextHit (){ currentHit = ((FtfBaseHit *)currentHit)->nextTrackHit ; } ;
00082            
00083 } ;
00084 #endif
00085