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Removing MC position of the primary vertex (Jouri)
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDCluster.h
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d3da6dc4 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 */
69ed32de 5//
1b10372c 6// Implementation class: AliHMPIDCluster
7//
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
12//
d3da6dc4 13#include "AliHMPIDDigit.h" //DigAdd()
14#include <TObjArray.h> //DigAdd()
15class TClonesArray; //Solve()
16
17class AliHMPIDCluster :public TObject
18{
19public:
c5c19d6a 20 enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kAbn,kEmp=-1}; //status flags
e4a3eae8 21 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
d1bf51e1 22
23
e4a3eae8 24 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),
25 fQ (c.fQ ),fErrQ(c.fErrQ),
26 fX (c.fX ),fErrX(c.fErrX),
27 fY (c.fY ),fErrY(c.fErrY),fChi2(c.fChi2),fDigs(0) {}//copy ctor
d1bf51e1 28 AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {if(this == &c)return *this;TObject::operator=(c);
e4a3eae8 29 fSi=c.fSi; fSt=c.fSt; fCh=c.fCh; fBox=c.fBox;fNlocMax=c.fNlocMax;fMaxQpad=c.fMaxQpad; fMaxQ=c.fMaxQ;fQRaw=c.fQRaw;
30 fQ=c.fQ; fErrQ=c.fErrQ;
31 fX=c.fX; fErrX=c.fErrX;
32 fY=c.fY; fErrY=c.fErrY; fChi2=c.fChi2;fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
d3da6dc4 33
d1bf51e1 34 virtual ~AliHMPIDCluster( ) {if(fDigs) delete fDigs; fDigs=0;}
d3da6dc4 35//framework part
d1bf51e1 36 void Draw (Option_t *opt="" ); //overloaded TObject::Print() to draw cluster in current canvas
37 void Print (Option_t *opt="" )const; //overloaded TObject::Print() to print cluster info
1b10372c 38 static void FitFunc(Int_t &iNpars, Double_t* /*deriv*/, Double_t &chi2, Double_t *par, Int_t /* */);//fit function to be used by MINUIT
d3da6dc4 39//private part
afdc131c 40 Int_t Box ( )const{return fBox; }
d1bf51e1 41 void CoG ( ); //calculates center of gravity
42 void CorrSin ( ); //sinoidal correction
43 Int_t Ch ( )const{return fCh; } //chamber number
44 inline void DigAdd (AliHMPIDDigit *pDig ); //add new digit ot the cluster
45 AliHMPIDDigit* Dig (Int_t i )const{return (AliHMPIDDigit*)fDigs->At(i); } //pointer to i-th digi
27311693 46 inline Bool_t IsInPc (); //check if is in the current PC
d1bf51e1 47 inline void Reset ( ); //cleans the cluster
48 Int_t Size ( )const{return fSi; } //returns number of pads in formed cluster
49 Int_t Solve (TClonesArray *pCluLst,Bool_t isUnfold ); //solve cluster: MINUIT fit or CoG
27311693 50 Int_t Status ( ) const{return fSt;} //Status of cluster
e4a3eae8 51 Double_t QRaw ( )const{return fQRaw; } //raw cluster charge in QDC channels
52 Double_t Q ( )const{return fQ; } //given cluster charge in QDC channels
53 Double_t Qe ( )const{return fErrQ; } //Error in cluster charge in QDC channels
d1bf51e1 54 Double_t X ( )const{return fX; } //cluster x position in LRS
e4a3eae8 55 Double_t Xe ( )const{return fErrX; } //cluster charge in QDC channels
d1bf51e1 56 Double_t Y ( )const{return fY; } //cluster y position in LRS
27311693 57 Double_t Ye ( )const{return fErrY; } //cluster charge in QDC channels
58 Double_t Chi2 ( )const{return fChi2; } //chi2 of the fit
69ed32de 59 void DoCorrSin(Bool_t doCorrSin ){fgDoCorrSin=doCorrSin;} // Set sinoidal correction
27311693 60 void SetX (Double_t x ){fX=x;} // Setter
61 void SetY (Double_t y ){fY=y;} // Setter
d3da6dc4 62protected:
d3da6dc4 63 Int_t fCh; //chamber number
e4a3eae8 64 Int_t fSi; //size of the formed cluster from which this cluster deduced
65 Int_t fSt; //flag to mark the quality of the cluster
66 Int_t fBox; //box contaning this cluster
67 Int_t fNlocMax; //number of local maxima in formed cluster
d1bf51e1 68 Int_t fMaxQpad; //abs pad number of a pad with the highest charge
e4a3eae8 69 Double_t fMaxQ; //that max charge value
70 Double_t fQRaw; //QDC value of the raw cluster
71 Double_t fQ; //QDC value of the actual cluster
72 Double_t fErrQ; //error on Q
73 Double_t fX; //local x postion, [cm]
74 Double_t fErrX; //error on x postion, [cm]
75 Double_t fY; //local y postion, [cm]
76 Double_t fErrY; //error on y postion, [cm]
77 Double_t fChi2; //some estimator of the fit quality
d3da6dc4 78 TObjArray *fDigs; //! list of digits forming this cluster
69ed32de 79 static Bool_t fgDoCorrSin; //flag to switch on/off correction for Sinusoidal to cluster reco
e4a3eae8 80 ClassDef(AliHMPIDCluster,6) //HMPID cluster class
d3da6dc4 81};//class AliHMPIDCluster
cf7e313e 82
d3da6dc4 83//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
84void AliHMPIDCluster::DigAdd(AliHMPIDDigit *pDig)
85{
86// Adds a given digit to the list of digits belonging to this cluster, cluster is not owner of digits
87// Arguments: pDig - pointer to digit to be added
ea925242 88// Returns: none
d1bf51e1 89 if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
d3da6dc4 90 fDigs->Add(pDig);
d1bf51e1 91 fSt=kFrm;
92 fSi++;
93}
94//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
95void AliHMPIDCluster::Reset()
96{
ea925242 97 //
98 //
99 //
d1bf51e1 100 if(fDigs) delete fDigs;
101 fDigs=0;
e4a3eae8 102 fSt=kEmp;
103 fQRaw=fQ=0;
104 fX=fY=0;
105 fCh=fSi=fBox=fNlocMax=fMaxQpad=-1;
106 fMaxQ=fErrQ=fErrX=fErrY=fChi2=-1; //empty ctor
d3da6dc4 107}
108//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d1bf51e1 109Bool_t AliHMPIDCluster::IsInPc()
110{
ea925242 111 //Check if (X,Y) position is inside the PC limits
112 //Arguments:
113 // Returns: True or False
d1bf51e1 114 Int_t pc = ((AliHMPIDDigit*)fDigs->At(0))->Pc();
115
116
ea925242 117 if ( fX < AliHMPIDDigit::MinPcX(pc) || fX > AliHMPIDDigit::MaxPcX(pc) ||
118 fY < AliHMPIDDigit::MinPcY(pc) || fY > AliHMPIDDigit::MaxPcY(pc) ) return kFALSE;
d1bf51e1 119
120 return kTRUE;
121
122}
123
d3da6dc4 124#endif