Toffz_helix.h

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/////////////////////////////////////////////////////
// File: Toffz_helix.h                             //
//                                                 //
// A class derived from Tof_helix for associating  //
// a given CDC (fzisan) track (helix) to a TOF hit //
//                                                 //
//                     S.Behari 13th Jan. 2000     //
/////////////////////////////////////////////////////
//
#ifndef _TOFFZ_HELIX_Flag_
#define _TOFFZ_HELIX_Flag_
#include "CLHEP/Geometry/Point3D.h"
#include "GaudiKernel/Algorithm.h"
 
#include "Tof_helix.h"
 
class TofFz_helix {
 
  // Provides a candidate tof hit associated
  // to a given cdc (fzisan) track.
public:
  TofFz_helix( void );
  ~TofFz_helix( void ){};
 
  // information for hit tof candidate.
  int    Tofid;    // tof counter id
  int    Etfid;    // tof counter id for the mrpc
  double R_tof;    // radius of tof cylinder
  double Fi_tof;   // azmuthal angle of the hit on the tof cylinder.
  double W_tof;    // dist from the right corner of the cntr / width.
  double Pathl;    // path lengh from ip to tof front
  double Path_tof; // path length in tof
  double Path_etf; // path length from ip to mrpc tof front
  double Z_tof;    // z on tof counter
  double Z_etf;    // z on mrpc tof counter
 
  // information for mdc trcak.
  double Dr, Phi0, Kappa, Dz, Tanl; // helix parameters
  int    NTrk;                      // tot number of mdc tracks
  double Phi1;                      // phi on the tof cylinder
  double r_endtof;                  // hits on TOF Endcap ,sqrt(x*x+y*y)
  double r_etf;                     // hits on MRPC TOF Endcap ,sqrt(x*x+y*y)
 
  int TofFz_Get( double, int, double[] ); // get tof hit for
                                          // track id
  // Debug option ([0]:None, !0:Debug)
  void debugOpt( int deb ) { _debug = deb; }
  // Set path length cut value
  void pathlCut( double pathl_max ) { _pathl_cut = pathl_max; }
  // Set Z_tof cut values
  void ztofCut( double ztof_min, double ztof_max ) {
    _ztof_cutm = ztof_min;
    _ztof_cutx = ztof_max;
  }
 
private:
  double piby1, pi2, piby44, piby24, piby18;
  int    _debug;                 // debug if >0
  double _pathl_cut;             // path length max.
  double _ztof_cutm, _ztof_cutx; // Z_tof min/max
};
 
#endif /* _TOFFZ_HELIX_Flag_ */