TRD/AliTRDseed.h

   1 #ifndef ALITRDSEED_H
   2 #define ALITRDSEED_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 ////////////////////////////////////////////////////////////////////////////
  10 //                                                                        //
  11 //  The TRD track seed                                                    //
  12 //                                                                        //
  13 ////////////////////////////////////////////////////////////////////////////
  14
  15 #include "TObject.h"
  16
  17 class AliTRDcluster;
  18
  19 class AliTRDseed : public TObject {
  20
  21  public:
  22
  23   AliTRDseed();
  24   AliTRDseed(const AliTRDseed &s);
  25   ~AliTRDseed() {};
  26
  27   AliTRDseed      &operator=(const AliTRDseed &s)           { *(new(this) AliTRDseed(s));
  28                                                               return *this;          }
  29
  30
  31   static  Float_t  FitRiemanTilt(AliTRDseed *seed, Bool_t error);
  32           void     UseClusters();
  33           void     Update();
  34           void     CookLabels();
  35           void     UpdateUsed();
  36           void     Reset();
  37
  38           Bool_t   IsOK() const                             { return fN2 > 8;        }
  39           Bool_t   IsUsable(Int_t i) const                  { return fUsable[i];     }
  40
  41           Float_t  GetTilt() const                          { return fTilt;          }
  42           Float_t  GetPadLength() const                     { return fPadLength;     }
  43           Float_t  GetX0() const                            { return fX0;            }
  44           Float_t  GetX(Int_t i) const                      { return fX[i];          }
  45           Float_t  GetY(Int_t i) const                      { return fY[i];          }
  46           Float_t  GetZ(Int_t i) const                      { return fZ[i];          }
  47           Int_t    GetIndexes(Int_t i) const                { return fIndexes[i];    }
  48   AliTRDcluster   *GetClusters(Int_t i) const               { return fClusters[i];   }
  49           Float_t  GetYref(Int_t i) const                   { return fYref[i];       }
  50           Float_t  GetZref(Int_t i) const                   { return fZref[i];       }
  51           Float_t  GetYfit(Int_t i) const                   { return fYfit[i];       }
  52           Float_t  GetYfitR(Int_t i) const                  { return fYfitR[i];      }
  53           Float_t  GetZfit(Int_t i) const                   { return fZfit[i];       }
  54           Float_t  GetZfitR(Int_t i) const                  { return fZfitR[i];      }
  55           Float_t  GetSigmaY() const                        { return fSigmaY;        }
  56           Float_t  GetSigmaY2() const                       { return fSigmaY2;       }
  57           Float_t  GetMeanz() const                         { return fMeanz;         }
  58           Float_t  GetZProb() const                         { return fZProb;         }
  59           Int_t    GetLabels(Int_t i) const                 { return fLabels[i];     }
  60           Int_t    GetN2() const                            { return fN2;            }
  61           Int_t    GetNUsed() const                         { return fNUsed;         }
  62           Int_t    GetFreq() const                          { return fFreq;          }
  63           Float_t  GetC() const                             { return fC;             }
  64           Float_t  GetCC() const                            { return fCC;            }
  65           Float_t  GetChi2() const                          { return fChi2;          }
  66           Float_t  GetChi2Z() const                         { return fChi2Z;         }
  67
  68           void     SetTilt(Float_t tilt)                    { fTilt        = tilt;   }
  69           void     SetPadLength(Float_t len)                { fPadLength   = len;    }
  70           void     SetX0(Float_t x0)                        { fX0          = x0;     }
  71           void     SetX(Int_t i, Float_t x)                 { fX[i]        = x;      }
  72           void     SetY(Int_t i, Float_t y)                 { fY[i]        = y;      }
  73           void     SetZ(Int_t i, Float_t z)                 { fZ[i]        = z;      }
  74           void     SetIndexes(Int_t i, Int_t idx)           { fIndexes[i]  = idx;    }
  75           void     SetClusters(Int_t i, AliTRDcluster *c)   { fClusters[i] = c;      }
  76           void     SetUsable(Int_t i, Bool_t usable)        { fUsable[i]   = usable; }
  77           void     SetYref(Int_t i, Float_t yref)           { fYref[i]     = yref;   }
  78           void     SetZref(Int_t i, Float_t zref)           { fZref[i]     = zref;   }
  79           void     SetYfit(Int_t i, Float_t yfit)           { fYfit[i]     = yfit;   }
  80           void     SetYfitR(Int_t i, Float_t yfitr)         { fYfitR[i]    = yfitr;  }
  81           void     SetZfit(Int_t i, Float_t zfit)           { fZfit[i]     = zfit;   }
  82           void     SetZfitR(Int_t i, Float_t zfitr)         { fZfitR[i]    = zfitr;  }
  83           void     SetSigmaY(Float_t sigmay)                { fSigmaY      = sigmay; }
  84           void     SetSigmaY2(Float_t sigmay)               { fSigmaY2     = sigmay; }
  85           void     SetMeanz(Float_t meanz)                  { fMeanz       = meanz;  }
  86           void     SetZProb(Float_t zprob)                  { fZProb       = zprob;  }
  87           void     SetLabels(Int_t i, Int_t label)          { fLabels[i]   = label;  }
  88           void     SetN2(Int_t n2)                          { fN2          = n2;     }
  89           void     SetNUsed(Int_t nused)                    { fNUsed       = nused;  }
  90           void     SetFreq(Int_t freq)                      { fFreq        = freq;   }
  91           void     SetC(Float_t c)                          { fC           = c;      }
  92           void     SetCC(Float_t cc)                        { fCC          = cc;     }
  93           void     SetChi2(Float_t chi2)                    { fChi2        = chi2;   }
  94           void     SetChi2Z(Float_t chi2z)                  { fChi2Z       = chi2z;  }
  95
  96  private:
  97
  98           Float_t  fTilt;               //  Tilting angle
  99           Float_t  fPadLength;          //  Pad length
 100           Float_t  fX0;                 //  X0 position
 101           Float_t  fX[25];              //! X position
 102           Float_t  fY[25];              //! Y position
 103           Float_t  fZ[25];              //! Z position
 104           Int_t    fIndexes[25];        //! Indexes
 105           AliTRDcluster *fClusters[25]; //! Clusters
 106           Bool_t   fUsable[25];         //! Indication  - usable cluster
 107           Float_t  fYref[2];            //  Reference y
 108           Float_t  fZref[2];            //  Reference z
 109           Float_t  fYfit[2];            //  Y fit position +derivation
 110           Float_t  fYfitR[2];           //  Y fit position +derivation
 111           Float_t  fZfit[2];            //  Z fit position
 112           Float_t  fZfitR[2];           //  Z fit position
 113           Float_t  fSigmaY;             //  "Robust" sigma in Y - constant fit
 114           Float_t  fSigmaY2;            //  "Robust" sigma in Y - line fit
 115           Float_t  fMeanz;              //  Mean vaue of z
 116           Float_t  fZProb;              //  Max probbable z
 117           Int_t    fLabels[2];          //  Labels
 118           Int_t    fN;                  //  Number of associated clusters
 119           Int_t    fN2;                 //  Number of not crossed
 120           Int_t    fNUsed;              //  Number of used clusters
 121           Int_t    fFreq;               //  Frequency
 122           Int_t    fNChange;            //  Change z counter
 123           Float_t  fMPads;              //  Mean number of pads per cluster
 124
 125           Float_t  fC;                  //  Curvature
 126           Float_t  fCC;                 //  Curvature with constrain
 127           Float_t  fChi2;               //  Global chi2
 128           Float_t  fChi2Z;              //  Global chi2
 129
 130   ClassDef(AliTRDseed,1)                //  Seed for a local TRD track
 131
 132 };
 133
 134 #endif