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 */
6 // Implementation class: AliHMPIDCluster
8 // class to reconstruct clester in HMPID
9 // it is forseen to Solve (split) the raw cluster in
10 // several clusters (# local maxima in the raw cluster -> deconvolution
11 // according to a Mathieson profile of the charge
13 #include "AliGeomManager.h"
14 #include "AliCluster3D.h"
15 #include "AliHMPIDDigit.h" //DigAdd()
16 #include <TObjArray.h> //DigAdd()
17 class TClonesArray; //Solve()
19 class AliHMPIDCluster :public AliCluster3D
22 enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kAbn,kEmp=-1}; //status flags
23 AliHMPIDCluster():AliCluster3D(),
24 fCh(-1),fSi(-1),fSt(kEmp),fBox(-1),fNlocMax(-1),fMaxQpad(-1),fMaxQ(-1),fQRaw(0),fQ(0),fErrQ(-1),fXX(0),fErrX(-1),fYY(0),fErrY(-1),fChi2(-1),fDigs(0) {} //empty ctor
27 AliHMPIDCluster(const AliHMPIDCluster &c):AliCluster3D(c),
28 fCh(c.fCh),fSi(c.fSi),fSt(c.fSt),fBox(c.fBox),fNlocMax(c.fNlocMax),fMaxQpad(c.fMaxQpad),fMaxQ(c.fMaxQ),fQRaw(c.fQRaw),
29 fQ (c.fQ ),fErrQ(c.fErrQ),
30 fXX (c.fXX ),fErrX(c.fErrX),
31 fYY (c.fYY ),fErrY(c.fErrY),fChi2(c.fChi2),fDigs(0) {}//copy ctor
32 virtual ~AliHMPIDCluster();//dtor {if(fDigs) delete fDigs; fDigs=0;}
34 void Draw (Option_t *opt="" ); //overloaded TObject::Print() to draw cluster in current canvas
35 void Print (Option_t *opt="" )const; //overloaded TObject::Print() to print cluster info
36 static void FitFunc(Int_t &iNpars, Double_t* /*deriv*/, Double_t &chi2, Double_t *par, Int_t iflag);//fit function to be used by MINUIT
38 Int_t Box ( )const{return fBox; } //Dimension of the cluster
39 void CoG ( ); //calculates center of gravity
40 void CorrSin ( ); //sinoidal correction
41 Int_t Ch ( )const{return fCh; } //chamber number
42 inline void DigAdd (AliHMPIDDigit *pDig ); //add new digit ot the cluster
43 AliHMPIDDigit* Dig (Int_t i )const{return (AliHMPIDDigit*)fDigs->At(i); } //pointer to i-th digi
44 inline Bool_t IsInPc (); //check if is in the current PC
45 inline void Reset ( ); //cleans the cluster
46 void SetClusterParams(Double_t xL,Double_t yL,Int_t iCh ); //Set AliCluster3D part
47 Int_t Size ( )const{return fSi; } //returns number of pads in formed cluster
48 Int_t Solve (TClonesArray *pCluLst,Bool_t isUnfold ); //solve cluster: MINUIT fit or CoG
49 Int_t Status ( ) const{return fSt;} //Status of cluster
50 Double_t QRaw ( )const{return fQRaw; } //raw cluster charge in QDC channels
51 Double_t Q ( )const{return fQ; } //given cluster charge in QDC channels
52 Double_t Qe ( )const{return fErrQ; } //Error in cluster charge in QDC channels
53 Double_t X ( )const{return fXX; } //cluster x position in LRS
54 Double_t Xe ( )const{return fErrX; } //cluster charge in QDC channels
55 Double_t Y ( )const{return fYY; } //cluster y position in LRS
56 Double_t Ye ( )const{return fErrY; } //cluster charge in QDC channels
57 Double_t Chi2 ( )const{return fChi2; } //chi2 of the fit
58 void DoCorrSin(Bool_t doCorrSin ){fgDoCorrSin=doCorrSin;} // Set sinoidal correction
59 void SetX (Double_t x ){fXX=x;} // Setter
60 void SetY (Double_t y ){fYY=y;} // Setter
64 AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {if(this == &c)return *this;AliCluster3D::operator=(c);
65 fSi=c.fSi; fSt=c.fSt; fCh=c.fCh; fBox=c.fBox;fNlocMax=c.fNlocMax;fMaxQpad=c.fMaxQpad; fMaxQ=c.fMaxQ;fQRaw=c.fQRaw;
66 fQ=c.fQ; fErrQ=c.fErrQ;
67 fXX=c.fXX; fErrX=c.fErrX;
68 fYY=c.fYY; fErrY=c.fErrY; fChi2=c.fChi2;fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
71 Int_t fCh; //chamber number
72 Int_t fSi; //size of the formed cluster from which this cluster deduced
73 Int_t fSt; //flag to mark the quality of the cluster
74 Int_t fBox; //box contaning this cluster
75 Int_t fNlocMax; //number of local maxima in formed cluster
76 Int_t fMaxQpad; //abs pad number of a pad with the highest charge
77 Double_t fMaxQ; //that max charge value
78 Double_t fQRaw; //QDC value of the raw cluster
79 Double_t fQ; //QDC value of the actual cluster
80 Double_t fErrQ; //error on Q
81 Double_t fXX; //local x postion, [cm]
82 Double_t fErrX; //error on x postion, [cm]
83 Double_t fYY; //local y postion, [cm]
84 Double_t fErrY; //error on y postion, [cm]
85 Double_t fChi2; //some estimator of the fit quality
86 TObjArray *fDigs; //! list of digits forming this cluster
87 static Bool_t fgDoCorrSin; //flag to switch on/off correction for Sinusoidal to cluster reco
88 ClassDef(AliHMPIDCluster,8) //HMPID cluster class
91 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
92 void AliHMPIDCluster::DigAdd(AliHMPIDDigit *pDig)
94 // Adds a given digit to the list of digits belonging to this cluster, cluster is not owner of digits
95 // Arguments: pDig - pointer to digit to be added
97 if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
102 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
103 void AliHMPIDCluster::Reset()
108 if(fDigs) delete fDigs;
113 fCh=fSi=fBox=fNlocMax=fMaxQpad=-1;
114 fMaxQ=fErrQ=fErrX=fErrY=fChi2=-1; //empty ctor
116 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
117 Bool_t AliHMPIDCluster::IsInPc()
119 //Check if (X,Y) position is inside the PC limits
121 // Returns: True or False
122 Int_t pc = ((AliHMPIDDigit*)fDigs->At(0))->Pc();
125 if ( fXX < AliHMPIDParam::MinPcX(pc) || fXX > AliHMPIDParam::MaxPcX(pc) ||
126 fYY < AliHMPIDParam::MinPcY(pc) || fYY > AliHMPIDParam::MaxPcY(pc) ) return kFALSE;