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 ////////////////////////////////////////////////////
22 //_____________________________________________________________________________
23 class AliTPCClusterParam : public TObject {
25 static AliTPCClusterParam* Instance();
27 AliTPCClusterParam(const AliTPCClusterParam& param);
28 AliTPCClusterParam & operator=(const AliTPCClusterParam&);
29 virtual ~AliTPCClusterParam();
30 virtual void Print(Option_t* option = "") const;
31 void SetInstance(AliTPCClusterParam*param){fgInstance = param;}
35 void FitData(TTree * tree);
36 void FitResol(TTree * tree);
37 void FitRMS(TTree * tree);
38 void SetQnorm(Int_t ipad, Int_t itype, TVectorD * norm);
39 void SetQnormGauss(Int_t ipad, Int_t itype, TH1 * norm);
40 void SetQnormCorr(Int_t ipad, Int_t itype, Int_t corrType, Float_t val);
41 Double_t GetQnormCorr(Int_t ipad, Int_t itype, Int_t corrType) const;
42 void ResetQnormCorr();
44 // Charge parameterization
46 Float_t Qnorm(Int_t ipad, Int_t itype, Float_t dr, Float_t ty, Float_t tz);
47 Float_t QnormHis(Int_t ipad, Int_t itype, Float_t dr, Float_t ty, Float_t tz);
50 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);
51 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);;}
53 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);
54 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);}
56 // Error parameterization
58 Float_t GetError0(Int_t dim, Int_t type, Float_t z, Float_t angle);
59 Float_t GetError0Par(Int_t dim, Int_t type, Float_t z, Float_t angle);
60 Float_t GetError1(Int_t dim, Int_t type, Float_t z, Float_t angle);
61 Float_t GetErrorQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
62 Float_t GetErrorQPar(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
63 Float_t GetErrorQParScaled(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
65 // Shape parameterization
67 Float_t GetRMS0(Int_t dim, Int_t type, Float_t z, Float_t angle);
68 Float_t GetRMS1(Int_t dim, Int_t type, Float_t z, Float_t angle);
69 Float_t GetRMSQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
70 Float_t GetRMSSigma(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean);
71 Float_t GetShapeFactor(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean, Float_t rmsL, Float_t rmsM);
75 void Test(TTree * tree, const char *output="TestClusterParam.root");
77 // static methods equivalents - use instance of param object - useful for tree draw and TF2 visualization
78 static Float_t SGetError0(Int_t dim, Int_t type, Float_t z, Float_t angle){
79 return fgInstance->GetError0(dim,type,z,angle);
81 static Float_t SGetError0Par(Int_t dim, Int_t type, Float_t z, Float_t angle){
82 return fgInstance->GetError0Par(dim,type,z,angle);
84 static Float_t SGetError1(Int_t dim, Int_t type, Float_t z, Float_t angle){
85 return fgInstance->GetError1(dim,type,z,angle);
87 static Float_t SGetErrorQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
88 return fgInstance->GetErrorQ(dim,type,z,angle,Qmean);
90 static Float_t SGetErrorQPar(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
91 return fgInstance->GetErrorQPar(dim,type,z,angle,Qmean);
93 static Float_t SGetErrorQParScaled(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
94 return fgInstance->GetErrorQParScaled(dim,type,z,angle,Qmean);
97 static Float_t SGetRMS0(Int_t dim, Int_t type, Float_t z, Float_t angle){
98 return fgInstance->GetRMS0(dim,type,z,angle);
100 static Float_t SGetRMS1(Int_t dim, Int_t type, Float_t z, Float_t angle){
101 return fgInstance->GetRMS1(dim,type,z,angle);
103 static Float_t SGetRMSQ(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
104 return fgInstance->GetRMSQ(dim,type,z,angle,Qmean);
106 static Float_t SGetRMSSigma(Int_t dim, Int_t type, Float_t z, Float_t angle, Float_t Qmean){
107 return fgInstance->GetRMSSigma(dim,type,z,angle,Qmean);
109 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){
110 return fgInstance->GetShapeFactor(dim,type,z,angle,Qmean, rmsL, rmsM);
114 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);}
115 static Float_t SQnormHis(Int_t ipad, Int_t itype,Float_t dr, Float_t ty, Float_t tz) {return fgInstance->QnormHis(ipad, itype, dr,ty,tz);}
118 // Analytical position angular correction
120 static Double_t GaussConvolution(Double_t x0, Double_t x1, Double_t k0, Double_t k1, Double_t s0, Double_t s1);
121 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);
122 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);
123 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 effLength=0, Float_t effDiff=1);
124 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 effLength=0, Float_t effDiff=1);
132 void FitResol0(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
133 void FitResol0Par(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
134 void FitResol1(TTree * tree, Int_t dim, Float_t *param0, Float_t *error);
135 void FitResolQ(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
136 void FitResolQPar(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
137 void FitRMS0(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
138 void FitRMS1(TTree * tree, Int_t dim, Float_t *param0, Float_t *error);
139 void FitRMSQ(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
140 void FitRMSSigma(TTree * tree, Int_t dim, Int_t type, Float_t *param0, Float_t *error);
143 Float_t fRatio; //ratio of values constibution to error
144 Float_t fParamS0[2][3][4]; //error parameterization coeficients
145 Float_t fErrorS0[2][3][4]; //error parameterization coeficients
146 Float_t fParamS0Par[2][3][7]; //error parameterization coeficients
147 Float_t fErrorS0Par[2][3][7]; //error parameterization coeficients
148 Float_t fParamSQ[2][3][6]; //error parameterization coeficients
149 Float_t fErrorSQ[2][3][6]; //error parameterization coeficients
150 Float_t fParamSQPar[2][3][9]; //error parameterization coeficients
151 Float_t fErrorSQPar[2][3][9]; //error parameterization coeficients
152 Float_t fParamS1[2][4]; //error parameterization coeficients
153 Float_t fErrorS1[2][4]; //error parameterization coeficients
155 Float_t fParamRMS0[2][3][4]; //shape parameterization coeficients
156 Float_t fErrorRMS0[2][3][4]; //shape parameterization coeficients
157 Float_t fParamRMSQ[2][3][6]; //shape parameterization coeficients
158 Float_t fErrorRMSQ[2][3][6]; //shape parameterization coeficients
159 Float_t fParamRMS1[2][5]; //shape parameterization coeficients
160 Float_t fErrorRMS1[2][5]; //shape parameterization coeficients
161 Float_t fErrorRMSSys[2]; // systematic relative error of the parametererization
162 Float_t fRMSSigmaRatio[2][2]; // mean value of the varation of RMS to RMS
163 Float_t fRMSSigmaFit[2][3][2]; // mean value of the varation of RMS to RMS
165 // charge normalization parametrization
167 TObjArray *fQNorm; // q norm paramters
168 TMatrixD *fQNormCorr; // q norm correction for analytica correction
169 TObjArray *fQNormHis; // q norm correction for analytical correction
171 TVectorD *fPosQTnorm[3]; // q position normalization
172 TVectorD *fPosQMnorm[3]; // q position normalization
173 TVectorD *fQpadTnorm; // q pad normalization - Total charge
174 TVectorD *fQpadMnorm; // q pad normalization - Max charge
176 // Position corrections
178 TVectorD *fPosYcor[3]; // position correction parameterization
179 TVectorD *fPosZcor[3]; // position correction parameterization
182 static AliTPCClusterParam* fgInstance; //! Instance of this class (singleton implementation)
183 ClassDef(AliTPCClusterParam,6) // TPC Cluster parameter class