Hit.h

#ifndef HIT_H
#define HIT_H
//
// Based on the FTF code written by Pablo Yepes. 
//
// P. Yepes, “A fast track pattern recognition,” 
// Nuclear Instruments & Methods in Physics Research A 
// 380(1996) pp. 582-585.
//

#include "TrackUtil.h"

namespace ftf
{
        class Track;

        class Hit
        {         
        public:
                // attributes
                int          id ;
                short        row;            // Row #     
                Track*       track;          // track to which the pnt was assigned
                Hit*         nextTrackHit;   // Next track hit             

                double       xyChi2 ;        // Chi2 in xy                 
                double       szChi2 ;        // Chi2 in sz                 
                double       x    ; 
                double       y    ;
                double       z    ;
                double       dx   ;          // error on the x coordinate  
                double       dy   ;          // error on the y coordinate  
                double       dz   ;          // error on the z coordinate  
                double       q    ;          // total charge assigned to this point 
                double       wxy  ;          // x-y weight x-y
                double       wz   ;          // z weight on z
                double       s    ;          // Track trajectory
                short        phiIndex ;        // Phi index    
                short        etaIndex ;        // Eta index      
                //
                Hit*         nextVolumeHit ;  // Next volume hit            
                Hit*         nextRowHit    ;  // Next row hit               
                double       r    ;            // radius                     
                double       phi  ;            // azimuthal angle            
                double       dphi ;            // Error in phi               
                double       eta  ;            // hit pseudorapidity         
                double       xp   ;            // x conformal coordinate 
                double       yp   ;            // y conformal coordinate 

                // methods
                void         print ( ) ;
                void         print ( int level ) ;
                void         printLinks ( ) ;
                void         printLinks ( int level ) ;
                void         setTrack ( Track* this_track ) ;
        } ;
} // end namespace ftf;
#endif