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c9cbd2f2 | 1 | #ifndef ALITPCFCVOLTERROR3D_H |
2 | #define ALITPCFCVOLTERROR3D_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | //////////////////////////////////////////////////////////////////////////// | |
c9cbd2f2 | 8 | // AliTPCFCVoltError3D class // |
c9cbd2f2 | 9 | // Authors: Jim Thomas, Stefan Rossegger // |
10 | //////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "AliTPCCorrection.h" | |
13 | ||
14 | ||
15 | class AliTPCFCVoltError3D : public AliTPCCorrection { | |
16 | public: | |
17 | AliTPCFCVoltError3D(); | |
18 | virtual ~AliTPCFCVoltError3D(); | |
19 | ||
20 | // initialization and update functions | |
21 | virtual void Init(); | |
22 | virtual void Update(const TTimeStamp &timeStamp); | |
23 | ||
24 | // common setters and getters for tangled ExB effect | |
25 | virtual void SetOmegaTauT1T2(Float_t omegaTau,Float_t t1,Float_t t2) { | |
26 | fT1=t1; fT2=t2; | |
27 | const Double_t wt0=t2*omegaTau; fC0=1./(1.+wt0*wt0); | |
28 | const Double_t wt1=t1*omegaTau; fC1=wt1/(1.+wt1*wt1); | |
29 | }; | |
30 | void SetC0C1(Float_t c0,Float_t c1) {fC0=c0;fC1=c1;} // CAUTION: USE WITH CARE | |
31 | Float_t GetC0() const {return fC0;} | |
32 | Float_t GetC1() const {return fC1;} | |
33 | ||
34 | // setters and getters | |
35 | ||
36 | // Set rod shift in Voltage equivalents (40V ~ 1mm) | |
37 | // rod numbers: 0-17 (IFC), 18-35 (OFC) | |
38 | // note: strips move accordingly | |
39 | void SetRodVoltShiftA(Int_t rod, Float_t voltOffset) {fRodVoltShiftA[rod]=voltOffset; fInitLookUp=kFALSE;} | |
40 | void SetRodVoltShiftC(Int_t rod, Float_t voltOffset) {fRodVoltShiftC[rod]=voltOffset; fInitLookUp=kFALSE;} | |
41 | Float_t GetRodVoltShiftA(Int_t i) const {return fRodVoltShiftA[i];}// 0-17: IFC, 18-35; OFC | |
42 | Float_t GetRodVoltShiftC(Int_t i) const {return fRodVoltShiftC[i];}// 0-17: IFC, 18-35; OFC | |
43 | ||
44 | // Set rotated clip (just at High Voltage RODs) in Voltage equivalents (40V ~ 1mm) | |
45 | // rod number: 0 (IFC), 1 (OFC) | |
46 | void SetRotatedClipVoltA(Int_t rod, Float_t voltOffset) {fRotatedClipVoltA[rod]=voltOffset; fInitLookUp=kFALSE;} | |
47 | void SetRotatedClipVoltC(Int_t rod, Float_t voltOffset) {fRotatedClipVoltC[rod]=voltOffset; fInitLookUp=kFALSE;} | |
48 | Float_t GetRotatedClipVoltA(Int_t i) const {return fRotatedClipVoltA[i];}// (0,1):(IFC,OFC) | |
49 | Float_t GetRotatedClipVoltC(Int_t i) const {return fRotatedClipVoltC[i];}// (0,1):(IFC,OFC) | |
50 | ||
51 | // Set rod shift in Voltage equivalents (40V ~ 1mm) | |
52 | // rod numbers: 0-17 (OFC) | |
53 | // note: strips DO NOT move, only the copper rods do ... | |
25732bff | 54 | void SetCopperRodShiftA(Int_t rod, Float_t voltOffset) {fCopperRodShiftA[rod]=voltOffset; fInitLookUp=kFALSE;} |
55 | void SetCopperRodShiftC(Int_t rod, Float_t voltOffset) {fCopperRodShiftC[rod]=voltOffset; fInitLookUp=kFALSE;} | |
56 | Float_t GetCopperRodShiftA(Int_t i) const {return fCopperRodShiftA[i];}// 0-17: IFC, 18-35; OFC | |
57 | Float_t GetCopperRodShiftC(Int_t i) const {return fCopperRodShiftC[i];}// 0-17: IFC, 18-35; OFC | |
c9cbd2f2 | 58 | |
59 | ||
60 | void InitFCVoltError3D(); // Fill the lookup tables | |
61 | ||
62 | virtual void Print(const Option_t* option="") const; | |
63 | ||
64 | protected: | |
65 | virtual void GetCorrection(const Float_t x[],const Short_t roc,Float_t dx[]); | |
66 | ||
67 | private: | |
68 | ||
69 | AliTPCFCVoltError3D(const AliTPCFCVoltError3D &); // not implemented | |
70 | AliTPCFCVoltError3D &operator=(const AliTPCFCVoltError3D &); // not implemented | |
71 | ||
72 | Float_t fC0; // coefficient C0 (compare Jim Thomas's notes for definitions) | |
73 | Float_t fC1; // coefficient C1 (compare Jim Thomas's notes for definitions) | |
74 | Float_t fRodVoltShiftA[36]; // Rod (&strips) shift in Volt (40V~1mm) | |
75 | Float_t fRodVoltShiftC[36]; // Rod (&strips) shift in Volt (40V~1mm) | |
76 | Float_t fRotatedClipVoltA[2]; // rotated clips at HV rod | |
77 | Float_t fRotatedClipVoltC[2]; // rotated clips at HV rod | |
25732bff | 78 | Float_t fCopperRodShiftA[36]; // only Rod shift |
79 | Float_t fCopperRodShiftC[36]; // only Rod shift | |
c9cbd2f2 | 80 | |
81 | Bool_t fInitLookUp; // flag to check it the Look Up table was created (SUM) | |
25732bff | 82 | Bool_t fInitLookUpBasic[6]; // ! flag if the basic lookup was created (shifted Rod (IFC,OFC) or rotated clip (IFC,OFC)) |
c9cbd2f2 | 83 | |
84 | ||
85 | TMatrixD *fLookUpErOverEz[kNPhi]; // Array to store electric field integral (int Er/Ez) | |
86 | TMatrixD *fLookUpEphiOverEz[kNPhi]; // Array to store electric field integral (int Er/Ez) | |
87 | TMatrixD *fLookUpDeltaEz[kNPhi]; // Array to store electric field integral (int Er/Ez) | |
88 | ||
89 | // basic numbers for the poisson relaxation //can be set individually in each class | |
90 | enum {kRows =257}; // grid size in r direction used in the poisson relaxation // ( 2**n + 1 ) eg. 65, 129, 257 etc. | |
91 | enum {kColumns=129}; // grid size in z direction used in the poisson relaxation // ( 2**m + 1 ) eg. 65, 129, 257 etc. | |
92 | enum {kPhiSlicesPerSector = 10 }; // number of points in phi slices | |
93 | enum {kPhiSlices = 1+kPhiSlicesPerSector*3 }; // number of points in phi for the basic lookup tables | |
94 | enum {kIterations=100}; // Number of iterations within the poisson relaxation | |
95 | ||
96 | // ugly way to store "partial" look up tables | |
97 | // needed for the faster calculation of the final distortion table | |
98 | ||
99 | // for Rod and Strip shift | |
25732bff | 100 | TMatrixD *fLookUpBasic1ErOverEz[kPhiSlices]; // ! Array to store electric field integral (int Er/Ez) |
101 | TMatrixD *fLookUpBasic1EphiOverEz[kPhiSlices]; // ! Array to store electric field integral (int Ephi/Ez) | |
102 | TMatrixD *fLookUpBasic1DeltaEz[kPhiSlices]; // ! Array to store electric field integral (int Ez) | |
c9cbd2f2 | 103 | |
25732bff | 104 | TMatrixD *fLookUpBasic2ErOverEz[kPhiSlices]; // ! Array to store electric field integral |
105 | TMatrixD *fLookUpBasic2EphiOverEz[kPhiSlices]; // ! Array to store electric field integral | |
106 | TMatrixD *fLookUpBasic2DeltaEz[kPhiSlices]; // ! Array to store electric field integral | |
c9cbd2f2 | 107 | |
108 | // for rotated clips | |
25732bff | 109 | TMatrixD *fLookUpBasic3ErOverEz[kPhiSlices]; // ! Array to store electric field integral |
110 | TMatrixD *fLookUpBasic3EphiOverEz[kPhiSlices]; // ! Array to store electric field integral | |
111 | TMatrixD *fLookUpBasic3DeltaEz[kPhiSlices]; // ! Array to store electric field integral | |
c9cbd2f2 | 112 | |
25732bff | 113 | TMatrixD *fLookUpBasic4ErOverEz[kPhiSlices]; // ! Array to store electric field integral |
114 | TMatrixD *fLookUpBasic4EphiOverEz[kPhiSlices]; // ! Array to store electric field integral | |
115 | TMatrixD *fLookUpBasic4DeltaEz[kPhiSlices]; // ! Array to store electric field integral | |
c9cbd2f2 | 116 | |
25732bff | 117 | // for (only rod) shift (copper rods) |
118 | TMatrixD *fLookUpBasic5ErOverEz[kPhiSlices]; // ! Array to store electric field integral | |
119 | TMatrixD *fLookUpBasic5EphiOverEz[kPhiSlices]; // ! Array to store electric field integral | |
120 | TMatrixD *fLookUpBasic5DeltaEz[kPhiSlices]; // ! Array to store electric field integral | |
c9cbd2f2 | 121 | |
25732bff | 122 | TMatrixD *fLookUpBasic6ErOverEz[kPhiSlices]; // ! Array to store electric field integral |
123 | TMatrixD *fLookUpBasic6EphiOverEz[kPhiSlices]; // ! Array to store electric field integral | |
124 | TMatrixD *fLookUpBasic6DeltaEz[kPhiSlices]; // ! Array to store electric field integral | |
c9cbd2f2 | 125 | |
25732bff | 126 | |
127 | ClassDef(AliTPCFCVoltError3D,2); // | |
c9cbd2f2 | 128 | }; |
129 | ||
130 | #endif |