1 #ifndef ALITPCCLUSTERPARAM_H
2 #define ALITPCCLUSTERPARAM_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 /* $Id: AliTPCClusterParam.h,v */
8 ////////////////////////////////////////////////////
10 // TPC cluster error and shape parameterization //
12 ////////////////////////////////////////////////////
20 //_____________________________________________________________________________
21 class AliTPCClusterParam : public TObject {
23 static AliTPCClusterParam* Instance();
25 AliTPCClusterParam(const AliTPCClusterParam& param);
26 AliTPCClusterParam & operator=(const AliTPCClusterParam&);
27 virtual ~AliTPCClusterParam();
28 virtual void Print(Option_t* option = "") const;
29 void SetInstance(AliTPCClusterParam*param){fgInstance = param;}
33 void FitData(TTree * tree);
34 void FitResol(TTree * tree);
35 void FitRMS(TTree * tree);
36 void SetQnorm(Int_t ipad, Int_t itype, TVectorD * norm);
38 // Charge parameterization
40 Float_t Qnorm(Int_t ipad, Int_t itype, Float_t dr, Float_t ty, Float_t tz);
42 Float_t QnormPos(Int_t ipad, Bool_t isMax, Float_t pad, Float_t time, Float_t z, Float_t sy2, Float_t sz2, Float_t qm, Float_t qt);
43 static Float_t SQnormPos(Int_t ipad, Bool_t isMax, Float_t pad, Float_t time, Float_t z, Float_t sy2, Float_t sz2, Float_t qm, Float_t qt){ return fgInstance->QnormPos(ipad,isMax,pad,time,z,sy2,sz2,qm,qt);;}
45 Float_t PosCorrection(Int_t type, Int_t ipad, Float_t pad, Float_t time, Float_t z, Float_t sy2, Float_t sz2, Float_t qm);
46 static Float_t SPosCorrection(Int_t type, Int_t ipad, Float_t pad, Float_t time, Float_t z, Float_t sy2, Float_t sz2, Float_t qm){ return fgInstance->PosCorrection(type,ipad,pad,time,z,sy2,sz2,qm);}
48 // Error parameterization
50 Float_t GetError0(Int_t dim, Int_t type, Float_t z, Float_t angle);
51 Float_t GetError0Par(Int_t dim, Int_t type, Float_t z, Float_t angle);
52 Float_t GetError1(Int_t dim, Int_t type, Float_t z, Float_t angle);
53 Float_t GetErrorQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
54 Float_t GetErrorQPar(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
55 Float_t GetErrorQParScaled(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
57 // Shape parameterization
59 Float_t GetRMS0(Int_t dim, Int_t type, Float_t z, Float_t angle);
60 Float_t GetRMS1(Int_t dim, Int_t type, Float_t z, Float_t angle);
61 Float_t GetRMSQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
62 Float_t GetRMSSigma(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
63 Float_t GetShapeFactor(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean, Float_t rmsL, Float_t rmsM);
67 void Test(TTree * tree, const char *output="TestClusterParam.root");
69 // static methods equivalents - use instance of param object - useful for tree draw and TF2 visualization
70 static Float_t SGetError0(Int_t dim, Int_t type, Float_t z, Float_t angle){
71 return fgInstance->GetError0(dim,type,z,angle);
73 static Float_t SGetError0Par(Int_t dim, Int_t type, Float_t z, Float_t angle){
74 return fgInstance->GetError0Par(dim,type,z,angle);
76 static Float_t SGetError1(Int_t dim, Int_t type, Float_t z, Float_t angle){
77 return fgInstance->GetError1(dim,type,z,angle);
79 static Float_t SGetErrorQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
80 return fgInstance->GetErrorQ(dim,type,z,angle,Qmean);
82 static Float_t SGetErrorQPar(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
83 return fgInstance->GetErrorQPar(dim,type,z,angle,Qmean);
85 static Float_t SGetErrorQParScaled(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
86 return fgInstance->GetErrorQParScaled(dim,type,z,angle,Qmean);
89 static Float_t SGetRMS0(Int_t dim, Int_t type, Float_t z, Float_t angle){
90 return fgInstance->GetRMS0(dim,type,z,angle);
92 static Float_t SGetRMS1(Int_t dim, Int_t type, Float_t z, Float_t angle){
93 return fgInstance->GetRMS1(dim,type,z,angle);
95 static Float_t SGetRMSQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
96 return fgInstance->GetRMSQ(dim,type,z,angle,Qmean);
98 static Float_t SGetRMSSigma(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
99 return fgInstance->GetRMSSigma(dim,type,z,angle,Qmean);
101 static Float_t SGetShapeFactor(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean, Float_t rmsL, Float_t rmsM){
102 return fgInstance->GetShapeFactor(dim,type,z,angle,Qmean, rmsL, rmsM);
106 static Float_t SQnorm(Int_t ipad, Int_t itype,Float_t dr, Float_t ty, Float_t tz) {return fgInstance->Qnorm(ipad, itype, dr,ty,tz);}
109 // Analytical position angular correction
111 static Double_t GaussConvolution(Double_t x0, Double_t x1, Double_t k0, Double_t k1, Double_t s0, Double_t s1);
112 static Double_t GaussConvolutionTail(Double_t x0, Double_t x1, Double_t k0, Double_t k1, Double_t s0, Double_t s1, Double_t tau);
113 static Double_t GaussConvolutionGamma4(Double_t x0, Double_t x1, Double_t k0, Double_t k1, Double_t s0, Double_t s1, Double_t tau);
114 static Double_t QmaxCorrection(Int_t sector, Int_t row, Float_t cpad, Float_t ctime, Float_t ky, Float_t kz, Float_t rmsy0, Float_t rmsz0, Float_t tau);
115 static Double_t QtotCorrection(Int_t sector, Int_t row, Float_t cpad, Float_t ctime, Float_t ky, Float_t kz, Float_t rmsy0, Float_t rmsz0, Float_t qtot, Float_t thr,Float_t tau);
123 void FitResol0(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
124 void FitResol0Par(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
125 void FitResol1(TTree * tree, Int_t dim, Float_t *param0, Float_t *error);
126 void FitResolQ(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
127 void FitResolQPar(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
128 void FitRMS0(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
129 void FitRMS1(TTree * tree, Int_t dim, Float_t *param0, Float_t *error);
130 void FitRMSQ(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
131 void FitRMSSigma(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
134 Float_t fRatio; //ratio of values constibution to error
135 Float_t fParamS0[2][3][4]; //error parameterization coeficients
136 Float_t fErrorS0[2][3][4]; //error parameterization coeficients
137 Float_t fParamS0Par[2][3][7]; //error parameterization coeficients
138 Float_t fErrorS0Par[2][3][7]; //error parameterization coeficients
139 Float_t fParamSQ[2][3][6]; //error parameterization coeficients
140 Float_t fErrorSQ[2][3][6]; //error parameterization coeficients
141 Float_t fParamSQPar[2][3][9]; //error parameterization coeficients
142 Float_t fErrorSQPar[2][3][9]; //error parameterization coeficients
143 Float_t fParamS1[2][4]; //error parameterization coeficients
144 Float_t fErrorS1[2][4]; //error parameterization coeficients
146 Float_t fParamRMS0[2][3][4]; //shape parameterization coeficients
147 Float_t fErrorRMS0[2][3][4]; //shape parameterization coeficients
148 Float_t fParamRMSQ[2][3][6]; //shape parameterization coeficients
149 Float_t fErrorRMSQ[2][3][6]; //shape parameterization coeficients
150 Float_t fParamRMS1[2][5]; //shape parameterization coeficients
151 Float_t fErrorRMS1[2][5]; //shape parameterization coeficients
152 Float_t fErrorRMSSys[2]; // systematic relative error of the parametererization
153 Float_t fRMSSigmaRatio[2][2]; // mean value of the varation of RMS to RMS
154 Float_t fRMSSigmaFit[2][3][2]; // mean value of the varation of RMS to RMS
156 // charge normalization parametrization
158 TObjArray *fQNorm; // q norm paramters
160 TVectorD *fPosQTnorm[3]; // q position normalization
161 TVectorD *fPosQMnorm[3]; // q position normalization
162 TVectorD *fQpadTnorm; // q pad normalization - Total charge
163 TVectorD *fQpadMnorm; // q pad normalization - Max charge
165 // Position corrections
167 TVectorD *fPosYcor[3]; // position correction parameterization
168 TVectorD *fPosZcor[3]; // position correction parameterization
171 static AliTPCClusterParam* fgInstance; //! Instance of this class (singleton implementation)
172 ClassDef(AliTPCClusterParam,3) // TPC Cluster parameter class