1 #ifndef ALITPCCALIBALIGN_H
2 #define ALITPCCALIBALIGN_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
17 #include <TLinearFitter.h>
18 #include <TMatrixDfwd.h>
22 #include "AliTPCcalibBase.h"
23 class AliExternalTrackParam;
24 class AliTPCPointCorrection;
27 class AliTPCcalibAlign:public AliTPCcalibBase {
29 enum HistoType {kY=0, kZ =1, kPhi=2, kTheta=3,
31 kYz=6,kZz=7,kPhiZ=8,kThetaZ=9};
32 enum FitType{ k6=0, k9=1, k12=2};
34 AliTPCcalibAlign(const Text_t *name, const Text_t *title);
35 AliTPCcalibAlign(const AliTPCcalibAlign &align);
37 virtual ~AliTPCcalibAlign();
38 void Process(AliESDEvent *event);
39 virtual void ProcessSeed(AliTPCseed *track);
40 virtual void Process(AliTPCseed */*track*/){ return ;}
41 virtual void Analyze();
42 virtual void Terminate();
43 virtual Long64_t Merge(TCollection* const list);
44 void ExportTrackPoints(AliESDEvent *event);
47 void MakeReportDy(TFile *output);
48 void MakeReportDyPhi(TFile *output);
50 void UpdatePointCorrection(AliTPCPointCorrection * correction);
52 virtual void EvalFitters(Int_t minPoints=20);
53 TH1 * GetHisto(HistoType type, Int_t s1, Int_t s2, Bool_t force=kFALSE);
54 void MakeTree(const char *fname="alignTree.root", Int_t minPoints=20);
55 TGraphErrors * MakeGraph(Int_t sec0, Int_t sec1, Int_t dsec,
56 Int_t i0, Int_t i1, FitType type);
57 Int_t RefitLinear(const AliTPCseed * seed, Int_t isec, Double_t *fitParam, Int_t refSector, TMatrixD ¶m, TMatrixD&covar, Double_t xRef, Bool_t both=kFALSE);
59 void ProcessTracklets(const AliExternalTrackParam &t1,
60 const AliExternalTrackParam &t2,
61 const AliTPCseed * seed,
64 void UpdateClusterDeltaField(const AliTPCseed * seed);
65 void UpdateAlignSector(const AliTPCseed * seed,Int_t isec);
66 Int_t GetIndex(Int_t s1,Int_t s2) const {return 72*s1+s2;}
68 inline const TMatrixD * GetTransformation(Int_t s1,Int_t s2, Int_t fitType);
70 inline TLinearFitter* GetFitter12(Int_t s1,Int_t s2);
71 inline TLinearFitter* GetFitter9(Int_t s1,Int_t s2);
72 inline TLinearFitter* GetFitter6(Int_t s1,Int_t s2);
74 Bool_t GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a);
75 Bool_t GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a);
76 Bool_t GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a);
77 Int_t AcceptTracklet(const AliExternalTrackParam &tp1,
78 const AliExternalTrackParam &tp2) const;
79 Int_t AcceptTracklet(const Double_t *t1,
80 const Double_t *t2) const;
82 void ProcessDiff(const AliExternalTrackParam &t1,
83 const AliExternalTrackParam &t2,
84 const AliTPCseed *seed,
86 void ProcessAlign(Double_t * t1, Double_t * t2, Int_t s1,Int_t s2);
88 // Bool_t GetTransformationCovar12(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
89 // Bool_t GetTransformationCovar9(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
90 // Bool_t GetTransformationCovar6(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
91 void Add(AliTPCcalibAlign * align);
92 const Int_t *GetPoints() const {return fPoints;}
93 void Process(AliESDtrack *const track, Int_t runNo=-1){AliTPCcalibBase::Process(track,runNo);};
94 TLinearFitter* GetOrMakeFitter12(Int_t s1,Int_t s2);
95 TLinearFitter* GetOrMakeFitter9(Int_t s1,Int_t s2);
96 TLinearFitter* GetOrMakeFitter6(Int_t s1,Int_t s2);
97 void Process12(const Double_t *t1, const Double_t *t2,
98 TLinearFitter *fitter) const;
99 void Process9(const Double_t *const t1, const Double_t *const t2, TLinearFitter *fitter) const;
100 void Process6(const Double_t *const t1, const Double_t *const t2, TLinearFitter *fitter) const;
101 void GlobalAlign6(Int_t minPoints, Float_t sysError, Int_t niter);
103 // Cluster comparison Part
106 // For visualization and test purposes
108 Double_t Correct(Int_t type, Int_t value, Int_t s1, Int_t s2, Double_t x, Double_t y, Double_t z, Double_t phi,Double_t theta);
109 static Double_t SCorrect(Int_t type, Int_t value, Int_t s1, Int_t s2, Double_t x, Double_t y, Double_t z, Double_t phi,Double_t theta){return Instance()->Correct(type,value,s1,s2,x,y,z,phi,theta);}
110 static AliTPCcalibAlign* Instance();
111 void SetInstance(AliTPCcalibAlign* const param){fgInstance = param;}
112 static void Constrain1Pt(AliExternalTrackParam &t1, const AliExternalTrackParam &t2, Bool_t noField);
113 void SetNoField(Bool_t noField){ fNoField=noField;}
116 // Kalman fileter for sectors
118 void MakeSectorKalman();
119 void UpdateSectorKalman(Int_t sector, Int_t quadrant0, Int_t quadrant1, TMatrixD *const p0, TMatrixD *const c0, TMatrixD *const p1, TMatrixD *const c1);
120 void UpdateSectorKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD ¶1, TMatrixD &cov1);
121 Double_t GetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz);
122 static Double_t SGetCorrectionSector(Int_t coord, Int_t sector, Double_t lx, Double_t ly, Double_t lz);
125 // Kalman filter for full TPC
128 void UpdateKalman(Int_t sector0, Int_t sector1, TMatrixD &p0, TMatrixD &c0, TMatrixD &p1, TMatrixD &c1);
129 void UpdateKalman(TMatrixD &par0, TMatrixD &cov0, TMatrixD ¶1, TMatrixD &cov1);
132 static Int_t CheckCovariance(TMatrixD &covar);
135 void MakeResidualHistos();
136 void MakeResidualHistosTracklet();
137 THn * GetClusterDelta(Int_t index) const { return fClusterDelta[index];}
138 THnSparse * GetTrackletDelta(Int_t index) const { return fTrackletDelta[index];}
141 void FillHisto(const Double_t *t1,
144 void FillHisto(AliExternalTrackParam *tp1,
145 AliExternalTrackParam *tp2,
148 static void SetMergeEntriesCut(Double_t entriesCut){fgkMergeEntriesCut = entriesCut;}
150 THn *fClusterDelta[2]; //clusters residuals
151 THnSparse *fTrackletDelta[4]; //track residuals
153 TObjArray fDphiHistArray; // array of residual histograms phi -kPhi
154 TObjArray fDthetaHistArray; // array of residual histograms theta -kTheta
155 TObjArray fDyHistArray; // array of residual histograms y -kY
156 TObjArray fDzHistArray; // array of residual histograms z -kZ
158 TObjArray fDyPhiHistArray; // array of residual histograms y -kYPhi
159 TObjArray fDzThetaHistArray; // array of residual histograms z-z -kZTheta
161 TObjArray fDphiZHistArray; // array of residual histograms phi -kPhiz
162 TObjArray fDthetaZHistArray; // array of residual histograms theta -kThetaz
163 TObjArray fDyZHistArray; // array of residual histograms y -kYz
164 TObjArray fDzZHistArray; // array of residual histograms z -kZz
167 TObjArray fFitterArray12; // array of fitters
168 TObjArray fFitterArray9; // array of fitters
169 TObjArray fFitterArray6; // array of fitters
171 TObjArray fMatrixArray12; // array of transnformtation matrix
172 TObjArray fMatrixArray9; // array of transnformtation matrix
173 TObjArray fMatrixArray6; // array of transnformtation matrix
178 TObjArray fCombinedMatrixArray6; // array combeined transformation matrix
181 Int_t fPoints[72*72]; // number of points in the fitter
182 Bool_t fNoField; // flag - no field data
184 Double_t fXIO; // OROC-IROC boundary
185 Double_t fXmiddle; // center of the TPC sector local X
186 Double_t fXquadrant; // x quadrant
188 // Kalman filter for sector internal alignemnt
190 TObjArray fArraySectorIntParam; // array of sector alignment parameters
191 TObjArray fArraySectorIntCovar; // array of sector alignment covariances
193 // Kalman filter for global alignment
195 TMatrixD *fSectorParamA; // Kalman parameter for A side
196 TMatrixD *fSectorCovarA; // Kalman covariance for A side
197 TMatrixD *fSectorParamC; // Kalman parameter for A side
198 TMatrixD *fSectorCovarC; // Kalman covariance for A side
202 Bool_t fUseInnerOuter; // flag- use Inner Outer sector for left righ alignment
204 static AliTPCcalibAlign* fgInstance; //! Instance of this class (singleton implementation)
205 static Double_t fgkMergeEntriesCut; //maximal number of entries for merging -can be modified via setter
207 AliTPCcalibAlign& operator=(const AliTPCcalibAlign&);// not implemented
209 // IMPORTANT: If you change the data members,
210 // please do not forget to increment the ClassDef and to update the Streamer in AliTPCcalibAlign.cxx
211 ClassDef(AliTPCcalibAlign,7)
215 TLinearFitter* AliTPCcalibAlign::GetFitter12(Int_t s1,Int_t s2) {
216 return static_cast<TLinearFitter*>(fFitterArray12[GetIndex(s1,s2)]);
218 TLinearFitter* AliTPCcalibAlign::GetFitter9(Int_t s1,Int_t s2) {
219 return static_cast<TLinearFitter*>(fFitterArray9[GetIndex(s1,s2)]);
221 TLinearFitter* AliTPCcalibAlign::GetFitter6(Int_t s1,Int_t s2) {
222 return static_cast<TLinearFitter*>(fFitterArray6[GetIndex(s1,s2)]);
225 const TMatrixD * AliTPCcalibAlign::GetTransformation(Int_t s1,Int_t s2, Int_t fitType){
226 if (fitType==0) return static_cast<TMatrixD*>(fMatrixArray6[GetIndex(s1,s2)]);
227 if (fitType==1) return static_cast<TMatrixD*>(fMatrixArray9[GetIndex(s1,s2)]);
228 if (fitType==2) return static_cast<TMatrixD*>(fMatrixArray12[GetIndex(s1,s2)]);