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 */
15 #include <TLinearFitter.h>
16 #include <TMatrixDfwd.h>
20 #include "AliTPCcalibBase.h"
21 class AliExternalComparison;
22 class AliExternalTrackParam;
23 class AliTPCPointCorrection;
26 class AliTPCcalibAlign:public AliTPCcalibBase {
28 enum HistoType {kY=0, kZ =1, kPhi=2, kTheta=3,
30 kYz=6,kZz=7,kPhiZ=8,kThetaZ=9};
31 enum FitType{ k6=0, k9=1, k12=2};
33 AliTPCcalibAlign(const Text_t *name, const Text_t *title);
34 AliTPCcalibAlign(const AliTPCcalibAlign &align);
36 virtual ~AliTPCcalibAlign();
37 void Process(AliESDEvent *event);
38 virtual void ProcessSeed(AliTPCseed *track);
39 virtual void Process(AliTPCseed */*track*/){ return ;}
40 virtual void Analyze();
41 virtual void Terminate();
42 virtual Long64_t Merge(TCollection* const list);
43 void ExportTrackPoints(AliESDEvent *event);
46 void MakeReportDy(TFile *output);
47 void MakeReportDyPhi(TFile *output);
49 void UpdatePointCorrection(AliTPCPointCorrection * correction);
51 virtual void EvalFitters(Int_t minPoints=20);
52 TH1 * GetHisto(HistoType type, Int_t s1, Int_t s2, Bool_t force=kFALSE);
53 void MakeTree(const char *fname="alignTree.root", Int_t minPoints=20);
54 TGraphErrors * MakeGraph(Int_t sec0, Int_t sec1, Int_t dsec,
55 Int_t i0, Int_t i1, FitType type);
56 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);
58 void ProcessTracklets(const AliExternalTrackParam &t1,
59 const AliExternalTrackParam &t2,
60 const AliTPCseed * seed,
63 void UpdateClusterDeltaField(const AliTPCseed * seed);
64 void UpdateAlignSector(const AliTPCseed * seed,Int_t isec);
65 Int_t GetIndex(Int_t s1,Int_t s2) const {return 72*s1+s2;}
67 inline const TMatrixD * GetTransformation(Int_t s1,Int_t s2, Int_t fitType);
69 inline TLinearFitter* GetFitter12(Int_t s1,Int_t s2);
70 inline TLinearFitter* GetFitter9(Int_t s1,Int_t s2);
71 inline TLinearFitter* GetFitter6(Int_t s1,Int_t s2);
73 Bool_t GetTransformation12(Int_t s1,Int_t s2,TMatrixD &a);
74 Bool_t GetTransformation9(Int_t s1,Int_t s2,TMatrixD &a);
75 Bool_t GetTransformation6(Int_t s1,Int_t s2,TMatrixD &a);
76 Int_t AcceptTracklet(const AliExternalTrackParam &tp1,
77 const AliExternalTrackParam &tp2) const;
78 Int_t AcceptTracklet(const Double_t *t1,
79 const Double_t *t2) const;
81 void ProcessDiff(const AliExternalTrackParam &t1,
82 const AliExternalTrackParam &t2,
83 const AliTPCseed *seed,
85 void ProcessAlign(Double_t * t1, Double_t * t2, Int_t s1,Int_t s2);
87 // Bool_t GetTransformationCovar12(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
88 // Bool_t GetTransformationCovar9(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
89 // Bool_t GetTransformationCovar6(Int_t s1,Int_t s2,TMatrixD &a, Bool_t norm=kFALSE);
90 void Add(AliTPCcalibAlign * align);
91 const Int_t *GetPoints() const {return fPoints;}
92 void Process(AliESDtrack *const track, Int_t runNo=-1){AliTPCcalibBase::Process(track,runNo);};
93 TLinearFitter* GetOrMakeFitter12(Int_t s1,Int_t s2);
94 TLinearFitter* GetOrMakeFitter9(Int_t s1,Int_t s2);
95 TLinearFitter* GetOrMakeFitter6(Int_t s1,Int_t s2);
96 void Process12(const Double_t *t1, const Double_t *t2,
97 TLinearFitter *fitter) const;
98 void Process9(const Double_t *const t1, const Double_t *const t2, TLinearFitter *fitter) const;
99 void Process6(const Double_t *const t1, const Double_t *const t2, TLinearFitter *fitter) const;
100 void ProcessTree(TTree * tree, AliExternalComparison *comp=0);
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 THnSparse * 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,
149 THnSparse *fClusterDelta[2]; //clusters residuals
150 THnSparse *fTrackletDelta[4]; //track residuals
152 TObjArray fDphiHistArray; // array of residual histograms phi -kPhi
153 TObjArray fDthetaHistArray; // array of residual histograms theta -kTheta
154 TObjArray fDyHistArray; // array of residual histograms y -kY
155 TObjArray fDzHistArray; // array of residual histograms z -kZ
157 TObjArray fDyPhiHistArray; // array of residual histograms y -kYPhi
158 TObjArray fDzThetaHistArray; // array of residual histograms z-z -kZTheta
160 TObjArray fDphiZHistArray; // array of residual histograms phi -kPhiz
161 TObjArray fDthetaZHistArray; // array of residual histograms theta -kThetaz
162 TObjArray fDyZHistArray; // array of residual histograms y -kYz
163 TObjArray fDzZHistArray; // array of residual histograms z -kZz
166 TObjArray fFitterArray12; // array of fitters
167 TObjArray fFitterArray9; // array of fitters
168 TObjArray fFitterArray6; // array of fitters
170 TObjArray fMatrixArray12; // array of transnformtation matrix
171 TObjArray fMatrixArray9; // array of transnformtation matrix
172 TObjArray fMatrixArray6; // array of transnformtation matrix
177 TObjArray fCombinedMatrixArray6; // array combeined transformation matrix
180 Int_t fPoints[72*72]; // number of points in the fitter
181 Bool_t fNoField; // flag - no field data
183 Double_t fXIO; // OROC-IROC boundary
184 Double_t fXmiddle; // center of the TPC sector local X
185 Double_t fXquadrant; // x quadrant
187 // Kalman filter for sector internal alignemnt
189 TObjArray fArraySectorIntParam; // array of sector alignment parameters
190 TObjArray fArraySectorIntCovar; // array of sector alignment covariances
192 // Kalman filter for global alignment
194 TMatrixD *fSectorParamA; // Kalman parameter for A side
195 TMatrixD *fSectorCovarA; // Kalman covariance for A side
196 TMatrixD *fSectorParamC; // Kalman parameter for A side
197 TMatrixD *fSectorCovarC; // Kalman covariance for A side
201 Bool_t fUseInnerOuter; // flag- use Inner Outer sector for left righ alignment
203 static AliTPCcalibAlign* fgInstance; //! Instance of this class (singleton implementation)
205 AliTPCcalibAlign& operator=(const AliTPCcalibAlign&);// not implemented
207 ClassDef(AliTPCcalibAlign,6)
211 TLinearFitter* AliTPCcalibAlign::GetFitter12(Int_t s1,Int_t s2) {
212 return static_cast<TLinearFitter*>(fFitterArray12[GetIndex(s1,s2)]);
214 TLinearFitter* AliTPCcalibAlign::GetFitter9(Int_t s1,Int_t s2) {
215 return static_cast<TLinearFitter*>(fFitterArray9[GetIndex(s1,s2)]);
217 TLinearFitter* AliTPCcalibAlign::GetFitter6(Int_t s1,Int_t s2) {
218 return static_cast<TLinearFitter*>(fFitterArray6[GetIndex(s1,s2)]);
221 const TMatrixD * AliTPCcalibAlign::GetTransformation(Int_t s1,Int_t s2, Int_t fitType){
222 if (fitType==0) return static_cast<TMatrixD*>(fMatrixArray6[GetIndex(s1,s2)]);
223 if (fitType==1) return static_cast<TMatrixD*>(fMatrixArray9[GetIndex(s1,s2)]);
224 if (fitType==2) return static_cast<TMatrixD*>(fMatrixArray12[GetIndex(s1,s2)]);