TRD/AliTRDtracklet.h

   1 #ifndef ALITRDTRACKLET_H
   2 #define ALITRDTRACKLET_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 /* $Id$ */
   8
   9 #include <TObject.h>
  10
  11 ////////////////////////////////////////////////////////////////////////////
  12 //                                                                        //
  13 //  A TRD tracklet                                                        //
  14 //                                                                        //
  15 ////////////////////////////////////////////////////////////////////////////
  16
  17 class AliTRDtracklet : public TObject {
  18
  19  public:
  20
  21   AliTRDtracklet();
  22   virtual          ~AliTRDtracklet();
  23
  24            void     Set(Float_t x, Float_t y, Float_t z, Float_t alpha, Float_t error2)
  25                                                            { fX = x; fY = y; fZ = z;
  26                                                              fAlpha = alpha; fSigma2 = error2; }
  27            void     SetP0(Float_t p0)                      { fP0             = p0;     }
  28            void     SetP1(Float_t p1)                      { fP1             = p1;     }
  29            void     SetN(Int_t n)                          { fNFound         = n;      }
  30            void     SetNCross(Int_t nc)                    { fNCross         = nc;     }
  31            void     SetPlane(Int_t plane)                  { fPlane          = plane;  }
  32            void     SetSigma2(Float_t sigma2)              { fExpectedSigma2 = sigma2; }
  33            void     SetChi2(Float_t chi2)                  { fChi2           = chi2;   }
  34            void     SetTilt(Float_t tilt)                  { fTilt           = tilt;   }
  35            void     SetMaxPos(Short_t pos, Short_t pos4, Short_t pos5)
  36                                                            { fMaxPos         = pos;
  37                                                              fMaxPos4        = pos4;
  38                                                              fMaxPos5        = pos5;   }
  39
  40            Float_t  GetX() const                           { return fX;                }
  41            Float_t  GetY() const                           { return fY;                }
  42            Float_t  GetZ() const                           { return fZ;                }
  43            Float_t  GetAlpha() const                       { return fAlpha;            }
  44            Float_t  GetTrackletSigma2() const              { return fSigma2;           }
  45            Float_t  GetP0() const                          { return fP0;               }
  46            Float_t  GetP1() const                          { return fP1;               }
  47            Int_t    GetN() const                           { return fNFound;           }
  48            Int_t    GetNCross() const                      { return fNCross;           }
  49            Int_t    GetPlane() const                       { return fPlane;            }
  50            Float_t  GetClusterSigma2() const               { return fExpectedSigma2;   }
  51            Float_t  GetChi2() const                        { return fChi2;             }
  52            Float_t  GetTilt() const                        { return fTilt;             }
  53
  54  protected:
  55
  56            Float_t  fY;                  //  Y position
  57            Float_t  fZ;                  //  Z position
  58            Float_t  fX;                  //  X position
  59            Float_t  fAlpha;              //  Rotation angle
  60            Float_t  fSigma2;             //  Expected error of tracklet position
  61            Float_t  fP0;                 //  Offset in y
  62            Float_t  fP1;                 //  Offset in tangent
  63            Int_t    fNFound;             //  Number of found clusters
  64            Int_t    fNCross;             //  Number of crosses
  65            Int_t    fPlane;              //  Plane number
  66            Float_t  fExpectedSigma2;     //  Expected sigma of residual distribution of clusters
  67            Float_t  fChi2;               //  Chi2 of the tracklet
  68            Float_t  fTilt;               //  Tilt factor
  69            Short_t  fMaxPos;             //  Time bin with max charge
  70            Short_t  fMaxPos4;            //  Time bin with max charge
  71            Short_t  fMaxPos5;            //  Time bin with max charge
  72
  73   ClassDef(AliTRDtracklet,2)             //  The TRD tracklet in one ROC
  74
  75 };
  76
  77 #endif