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1b923461 | 1 | #ifndef ALITPCBOUNDARYVOLTERROR_H |
2 | #define ALITPCBOUNDARYVOLTERROR_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | //////////////////////////////////////////////////////////////////////////// | |
1b923461 | 8 | // AliTPCBoundaryVoltError class // |
9 | // date: 01/06/2010 // | |
10 | // Authors: Jim Thomas, Stefan Rossegger // | |
11 | //////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | #include "AliTPCCorrection.h" | |
14 | ||
15 | ||
16 | class AliTPCBoundaryVoltError : public AliTPCCorrection { | |
17 | public: | |
18 | AliTPCBoundaryVoltError(); | |
19 | virtual ~AliTPCBoundaryVoltError(); | |
20 | ||
21 | // initialization and update functions | |
22 | virtual void Init(); | |
23 | virtual void Update(const TTimeStamp &timeStamp); | |
24 | ||
25 | ||
26 | // common setters and getters for tangled ExB effect | |
27 | virtual void SetOmegaTauT1T2(Float_t omegaTau,Float_t t1,Float_t t2) { | |
28 | fT1=t1; fT2=t2; | |
29 | const Double_t wt0=t2*omegaTau; fC0=1./(1.+wt0*wt0); | |
30 | const Double_t wt1=t1*omegaTau; fC1=wt1/(1.+wt1*wt1); | |
31 | }; | |
32 | void SetC0C1(Float_t c0,Float_t c1) {fC0=c0;fC1=c1;} // CAUTION: USE WITH CARE | |
33 | Float_t GetC0() const {return fC0;} | |
34 | Float_t GetC1() const {return fC1;} | |
35 | ||
36 | // setters and getters for conical | |
37 | void SetBoundariesA(Float_t boundariesA[8]); | |
38 | void SetBoundariesC(Float_t boundariesC[6]); // CE settings from the A side | |
c9cbd2f2 | 39 | Float_t GetBoundariesA(Int_t i) const {return fBoundariesA[i]; } |
40 | Float_t GetBoundariesC(Int_t i) const {return fBoundariesC[i]; } | |
1b923461 | 41 | |
7a348589 | 42 | void SetROCDisplacement(Bool_t flag) { |
43 | if (flag!=fROCdisplacement) { fROCdisplacement = flag; fInitLookUp=kFALSE; } | |
44 | } | |
c9cbd2f2 | 45 | Bool_t GetROCDisplacement() const { return fROCdisplacement; } |
1b923461 | 46 | |
47 | void InitBoundaryVoltErrorDistortion(); | |
48 | ||
49 | virtual void Print(const Option_t* option="") const; | |
50 | ||
51 | protected: | |
52 | virtual void GetCorrection(const Float_t x[],const Short_t roc,Float_t dx[]); | |
53 | ||
54 | private: | |
55 | Float_t fC0; // coefficient C0 (compare Jim Thomas's notes for definitions) | |
56 | Float_t fC1; // coefficient C1 (compare Jim Thomas's notes for definitions) | |
57 | Float_t fBoundariesA[8]; // Boundary values on the A side (see Setter function) | |
58 | Float_t fBoundariesC[8]; // Boundary values on the C side (see Setter function) | |
59 | ||
c9cbd2f2 | 60 | Bool_t fROCdisplacement; // flag for ROC displacement (important for z distortions) |
61 | Bool_t fInitLookUp; // flag to check it the Look Up table was created | |
1b923461 | 62 | |
63 | Double_t fLookUpErOverEz[kNZ][kNR]; // Array to store electric field integral (int Er/Ez) | |
c9cbd2f2 | 64 | Double_t fLookUpDeltaEz[kNZ][kNR]; // Array to store electric field integral (int Delta Ez) |
1b923461 | 65 | |
66 | // basic numbers for the poisson relaxation //can be set individually in each class | |
67 | enum {kRows =257}; // grid size in r direction used in the poisson relaxation // ( 2**n + 1 ) eg. 65, 129, 257 etc. | |
68 | enum {kColumns=257}; // grid size in r direction used in the poisson relaxation // ( 2**m + 1 ) eg. 65, 129, 257 etc. | |
69 | enum {kIterations=100}; // Number of iterations within the poisson relaxation | |
70 | ||
f2efa2c7 | 71 | ClassDef(AliTPCBoundaryVoltError,1); |
1b923461 | 72 | }; |
73 | ||
74 | #endif |