Line data Source code
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 : // 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 : //
13 : #include "AliGeomManager.h"
14 : #include "AliCluster3D.h"
15 : #include "AliHMPIDDigit.h" //DigAdd()
16 : #include <TObjArray.h> //DigAdd()
17 : class TClonesArray; //Solve()
18 :
19 : class AliHMPIDCluster :public AliCluster3D
20 : {
21 : public:
22 : enum EClusterStatus {kFrm,kCoG,kLo1,kUnf,kMax,kNot,kEdg,kSi1,kNoLoc,kAbn,kBig,kEmp=-1}; //status flags
23 264 : AliHMPIDCluster():AliCluster3D(),
24 264 : fCh(-1),fSi(-1),fSt(kEmp),fBox(-1),fNlocMax(-1),fMaxQpad(-1),fMaxQ(-1),fQRaw(0),
25 528 : fQ(0),fErrQ(-1),fXX(0),fErrX(-1),fYY(0),fErrY(-1),fChi2(-1),fDigs(0),fParam(AliHMPIDParam::InstanceNoGeo())
26 1320 : {
27 528 : }//ctor
28 :
29 :
30 531 : AliHMPIDCluster(const AliHMPIDCluster &c):AliCluster3D(c),
31 531 : fCh(c.fCh),fSi(c.fSi),fSt(c.fSt),fBox(c.fBox),fNlocMax(c.fNlocMax),fMaxQpad(c.fMaxQpad),fMaxQ(c.fMaxQ),fQRaw(c.fQRaw),
32 531 : fQ (c.fQ ),fErrQ(c.fErrQ),
33 531 : fXX (c.fXX ),fErrX(c.fErrX),
34 3186 : fYY (c.fYY ),fErrY(c.fErrY),fChi2(c.fChi2),fDigs(0),fParam(c.fParam) {}//copy ctor
35 : virtual ~AliHMPIDCluster();//dtor {if(fDigs) delete fDigs; fDigs=0;}
36 : //framework part
37 : void Draw (Option_t *opt="" ); //overloaded TObject::Print() to draw cluster in current canvas
38 : void Print (Option_t *opt="" )const; //overloaded TObject::Print() to print cluster info
39 : 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
40 : //private part
41 0 : Int_t Box ( )const{return fBox; } //Dimension of the cluster
42 : void CoG ( ); //calculates center of gravity
43 : void CorrSin ( ); //sinoidal correction
44 304 : Int_t Ch ( )const{return fCh; } //chamber number
45 : inline void DigAdd (AliHMPIDDigit *pDig ); //add new digit ot the cluster
46 1349546 : AliHMPIDDigit* Dig (Int_t i )const{return (AliHMPIDDigit*)fDigs->At(i); } //pointer to i-th digi
47 : inline Bool_t IsInPc (); //check if is in the current PC
48 : inline void Reset ( ); //cleans the cluster
49 : void SetClusterParams(Double_t xL,Double_t yL,Int_t iCh ); //Set AliCluster3D part
50 54320 : Int_t Size ( )const{return fSi; } //returns number of pads in formed cluster
51 : Int_t Solve (TClonesArray *pCluLst,Int_t *pSigmaCut, Bool_t isUnfold); //solve cluster: MINUIT fit or CoG
52 0 : Int_t Status ( ) const{return fSt;} //Status of cluster
53 0 : Double_t QRaw ( )const{return fQRaw; } //raw cluster charge in QDC channels
54 1690 : Double_t Q ( )const{return fQ; } //given cluster charge in QDC channels
55 0 : Double_t Qe ( )const{return fErrQ; } //Error in cluster charge in QDC channels
56 1328 : Double_t X ( )const{return fXX; } //cluster x position in LRS
57 0 : Double_t Xe ( )const{return fErrX; } //cluster charge in QDC channels
58 1870 : Double_t Y ( )const{return fYY; } //cluster y position in LRS
59 0 : Double_t Ye ( )const{return fErrY; } //cluster charge in QDC channels
60 0 : Double_t Chi2 ( )const{return fChi2; } //chi2 of the fit
61 0 : void DoCorrSin(Bool_t doCorrSin ){fgDoCorrSin=doCorrSin;} // Set sinoidal correction
62 0 : void SetX (Double_t x ){fXX=x;} // Setter
63 0 : void SetY (Double_t y ){fYY=y;} // Setter
64 0 : void SetQ (Double_t q ){fQ=q;if(fQ>4095)fQ=4095;} // Setter
65 0 : void SetQRaw (Double_t qRaw ){fQRaw=qRaw;if(fQRaw>4095)fQRaw=4095;} // Setter
66 236 : void SetSize (Int_t size ){fSi=size;} // Setter
67 0 : void SetCh (Int_t chamber ){fCh=chamber;} // Setter
68 152 : void SetChi2 (Double_t chi2 ){fChi2=chi2;} // Setter
69 0 : void SetStatus(Int_t status ){fSt=status;} // Setter
70 : void FindClusterSize(Int_t i,Int_t *pSigmaCut); //Find the clusterSize of deconvoluted clusters
71 0 : virtual void Clear(const Option_t*) { delete [] fDigs; fDigs=0; delete [] fParam; fParam=0; }
72 :
73 : protected:
74 : Int_t fCh; //chamber number
75 : Int_t fSi; //size of the formed cluster from which this cluster deduced
76 : Int_t fSt; //flag to mark the quality of the cluster
77 : Int_t fBox; //box contaning this cluster
78 : Int_t fNlocMax; //number of local maxima in formed cluster
79 : Int_t fMaxQpad; //abs pad number of a pad with the highest charge
80 : Double_t fMaxQ; //that max charge value
81 : Double_t fQRaw; //QDC value of the raw cluster
82 : Double_t fQ; //QDC value of the actual cluster
83 : Double_t fErrQ; //error on Q
84 : Double_t fXX; //local x postion, [cm]
85 : Double_t fErrX; //error on x postion, [cm]
86 : Double_t fYY; //local y postion, [cm]
87 : Double_t fErrY; //error on y postion, [cm]
88 : Double_t fChi2; //some estimator of the fit quality
89 : TObjArray *fDigs; //! list of digits forming this cluster
90 : static Bool_t fgDoCorrSin; //flag to switch on/off correction for Sinusoidal to cluster reco
91 : AliHMPIDParam *fParam; //!Pointer to AliHMPIDParam
92 :
93 : private:
94 : /*
95 : AliHMPIDCluster &operator=(const AliHMPIDCluster &c) {if(this == &c)return *this;AliCluster3D::operator=(c);
96 : fSi=c.fSi; fSt=c.fSt; fCh=c.fCh; fBox=c.fBox;fNlocMax=c.fNlocMax;fMaxQpad=c.fMaxQpad; fMaxQ=c.fMaxQ;fQRaw=c.fQRaw;
97 : fQ=c.fQ; fErrQ=c.fErrQ;
98 : fXX=c.fXX; fErrX=c.fErrX;
99 : fYY=c.fYY; fErrY=c.fErrY; fChi2=c.fChi2;fDigs=c.fDigs ? new TObjArray(*c.fDigs):0; return *this;}
100 : */
101 : // AliHMPIDCluster(const AliHMPIDCluster& c); //dummy copy constructor
102 : AliHMPIDCluster &operator=(const AliHMPIDCluster& c); //dummy assignment operator
103 :
104 :
105 168 : ClassDef(AliHMPIDCluster,9) //HMPID cluster class
106 : };
107 :
108 : //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
109 : void AliHMPIDCluster::DigAdd(AliHMPIDDigit *pDig)
110 : {
111 : // Adds a given digit to the list of digits belonging to this cluster, cluster is not owner of digits
112 : // Arguments: pDig - pointer to digit to be added
113 : // Returns: none
114 2672 : if(!fDigs) {fSi=0;fDigs = new TObjArray;} //create list of digits in the first invocation
115 912 : fDigs->Add(pDig);
116 912 : fSt=kFrm;
117 912 : fSi++;
118 912 : }
119 : //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
120 : void AliHMPIDCluster::Reset()
121 : {
122 : //
123 : //
124 : //
125 1696 : if(fDigs) delete fDigs;
126 424 : fDigs=0;
127 424 : fSt=kEmp;
128 424 : fQRaw=fQ=0;
129 424 : fXX=fYY=0;
130 424 : fCh=fSi=fBox=fNlocMax=fMaxQpad=-1;
131 424 : fMaxQ=fErrQ=fErrX=fErrY=fChi2=-1; //empty ctor
132 424 : }
133 : //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
134 : Bool_t AliHMPIDCluster::IsInPc()
135 : {
136 : //Check if (X,Y) position is inside the PC limits
137 : //Arguments:
138 : // Returns: True or False
139 440 : Int_t pc = ((AliHMPIDDigit*)fDigs->At(0))->Pc();
140 :
141 :
142 660 : if ( fXX < AliHMPIDParam::MinPcX(pc) || fXX > AliHMPIDParam::MaxPcX(pc) ||
143 440 : fYY < AliHMPIDParam::MinPcY(pc) || fYY > AliHMPIDParam::MaxPcY(pc) ) return kFALSE;
144 :
145 220 : return kTRUE;
146 :
147 220 : }
148 :
149 : #endif
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