HMPID/AliHMPIDCluster.h

   1 #ifndef AliHMPIDCluster_h
   2 #define AliHMPIDCluster_h
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 #include "AliHMPIDDigit.h"  //DigAdd()
   7 #include <TObjArray.h>     //DigAdd()
   8 class TClonesArray;        //Solve()
   9
  10 class AliHMPIDCluster :public TObject
  11 {
  12 public:
  13   enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kEmp=-1};      //status flags
  14   AliHMPIDCluster():TObject( ),fCh(-1),fSi(-1),fSt(kEmp),fBox(-1),fNlocMax(-1),fMaxQpad(-1),fMaxQ(-1),fQRaw(0),fQ(0),fErrQ(-1),fX(0),fErrX(-1),fY(0),fErrY(-1),fChi2(-1),fDigs(0) {} //empty ctor
  15
  16
  17   AliHMPIDCluster           (const AliHMPIDCluster &c):TObject(c),fCh(c.fCh),fSi(c.fSi),fSt(c.fSt),fBox(c.fBox),fNlocMax(c.fNlocMax),fMaxQpad(c.fMaxQpad),fMaxQ(c.fMaxQ),fQRaw(c.fQRaw),
  18                                                                   fQ (c.fQ ),fErrQ(c.fErrQ),
  19                                                                   fX (c.fX ),fErrX(c.fErrX),
  20                                                                   fY (c.fY ),fErrY(c.fErrY),fChi2(c.fChi2),fDigs(0)                  {}//copy ctor
  21   AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {if(this == &c)return *this;TObject::operator=(c);
  22                                                         fSi=c.fSi;  fSt=c.fSt; fCh=c.fCh; fBox=c.fBox;fNlocMax=c.fNlocMax;fMaxQpad=c.fMaxQpad; fMaxQ=c.fMaxQ;fQRaw=c.fQRaw;
  23                                                         fQ=c.fQ; fErrQ=c.fErrQ;
  24                                                         fX=c.fX; fErrX=c.fErrX;
  25                                                         fY=c.fY; fErrY=c.fErrY; fChi2=c.fChi2;fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
  26
  27   virtual ~AliHMPIDCluster(                                     )                                                                        {if(fDigs) delete fDigs; fDigs=0;}
  28 //framework part
  29          void           Draw   (Option_t *opt=""                                  );                       //overloaded TObject::Print() to draw cluster in current canvas
  30          void           Print  (Option_t *opt=""                                  )const;                  //overloaded TObject::Print() to print cluster info
  31   static void           FitFunc(Int_t &, Double_t *, Double_t &, Double_t *, Int_t);                       //fit function to be used by MINUIT
  32 //private part
  33          void           CoG      (                                         );                                                      //calculates center of gravity
  34          void           CorrSin  (                                         );                                                      //sinoidal correction
  35          Int_t          Ch       (                                         )const{return fCh;                                    } //chamber number
  36   inline void           DigAdd   (AliHMPIDDigit *pDig                      );                                                      //add new digit ot the cluster
  37          AliHMPIDDigit* Dig      (Int_t i                                  )const{return (AliHMPIDDigit*)fDigs->At(i);           } //pointer to i-th digi
  38   inline Bool_t         IsInPc   ();                                                                                        //check if is in the current PC
  39   inline void           Reset    (                                         );                                                      //cleans the cluster
  40          Int_t          Size     (                                         )const{return fSi;                                    } //returns number of pads in formed cluster
  41          Int_t          Solve    (TClonesArray *pCluLst,Bool_t isUnfold    );                                                      //solve cluster: MINUIT fit or CoG
  42          Int_t          Status  (                                          ) const{return fSt;}                                   //Status of cluster
  43          Double_t       QRaw     (                                         )const{return fQRaw;                                  } //raw cluster charge in QDC channels
  44          Double_t       Q        (                                         )const{return fQ;                                     } //given cluster charge in QDC channels
  45          Double_t       Qe       (                                         )const{return fErrQ;                                  } //Error in cluster charge in QDC channels
  46          Double_t       X        (                                         )const{return fX;                                     } //cluster x position in LRS
  47          Double_t       Xe       (                                         )const{return fErrX;                                  } //cluster charge in QDC channels
  48          Double_t       Y        (                                         )const{return fY;                                     } //cluster y position in LRS
  49          Double_t       Ye       (                                         )const{return fErrY;                                    } //cluster charge in QDC channels
  50          Double_t       Chi2     (                                         )const{return fChi2;                                  }
  51 protected:
  52   Int_t         fCh;          //chamber number
  53   Int_t         fSi;          //size of the formed cluster from which this cluster deduced
  54   Int_t         fSt;          //flag to mark the quality of the cluster
  55   Int_t         fBox;         //box contaning this cluster
  56   Int_t         fNlocMax;     //number of local maxima in formed cluster
  57   Int_t         fMaxQpad;     //abs pad number of a pad with the highest charge
  58   Double_t      fMaxQ;        //that max charge value
  59   Double_t      fQRaw;        //QDC value of the raw cluster
  60   Double_t      fQ;           //QDC value of the actual cluster
  61   Double_t      fErrQ;        //error on Q
  62   Double_t      fX;           //local x postion, [cm]
  63   Double_t      fErrX;        //error on x postion, [cm]
  64   Double_t      fY;           //local y postion, [cm]
  65   Double_t      fErrY;        //error on y postion, [cm]
  66   Double_t      fChi2;        //some estimator of the fit quality
  67   TObjArray    *fDigs;        //! list of digits forming this cluster
  68   ClassDef(AliHMPIDCluster,6) //HMPID cluster class
  69 };//class AliHMPIDCluster
  70
  71 typedef AliHMPIDCluster AliRICHCluster; // for backward compatibility
  72
  73 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  74 void AliHMPIDCluster::DigAdd(AliHMPIDDigit *pDig)
  75 {
  76 // Adds a given digit to the list of digits belonging to this cluster, cluster is not owner of digits
  77 // Arguments: pDig - pointer to digit to be added
  78 //   Returns: none
  79   if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
  80   fDigs->Add(pDig);
  81   fSt=kFrm;
  82   fSi++;
  83 }
  84 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  85 void AliHMPIDCluster::Reset()
  86 {
  87   if(fDigs) delete fDigs;
  88   fDigs=0;
  89   fSt=kEmp;
  90   fQRaw=fQ=0;
  91   fX=fY=0;
  92   fCh=fSi=fBox=fNlocMax=fMaxQpad=-1;
  93   fMaxQ=fErrQ=fErrX=fErrY=fChi2=-1; //empty ctor
  94 }
  95 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  96 Bool_t AliHMPIDCluster::IsInPc()
  97 {
  98   Int_t pc = ((AliHMPIDDigit*)fDigs->At(0))->Pc();
  99
 100
 101   if ( fX < AliHMPIDDigit::fMinPcX[pc] || fX > AliHMPIDDigit::fMaxPcX[pc] ||
 102        fY < AliHMPIDDigit::fMinPcY[pc] || fY > AliHMPIDDigit::fMaxPcY[pc] ) return kFALSE;
 103
 104   return kTRUE;
 105
 106 }
 107
 108 #endif