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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 | //////////////////////////////////////////////////////////////////////////// | |
8 | // // | |
9 | // AliTPCBoundaryVoltError class // | |
10 | // date: 01/06/2010 // | |
11 | // Authors: Jim Thomas, Stefan Rossegger // | |
12 | //////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include "AliTPCCorrection.h" | |
15 | ||
16 | ||
17 | class AliTPCBoundaryVoltError : public AliTPCCorrection { | |
18 | public: | |
19 | AliTPCBoundaryVoltError(); | |
20 | virtual ~AliTPCBoundaryVoltError(); | |
21 | ||
22 | // initialization and update functions | |
23 | virtual void Init(); | |
24 | virtual void Update(const TTimeStamp &timeStamp); | |
25 | ||
26 | ||
27 | // common setters and getters for tangled ExB effect | |
28 | virtual void SetOmegaTauT1T2(Float_t omegaTau,Float_t t1,Float_t t2) { | |
29 | fT1=t1; fT2=t2; | |
30 | const Double_t wt0=t2*omegaTau; fC0=1./(1.+wt0*wt0); | |
31 | const Double_t wt1=t1*omegaTau; fC1=wt1/(1.+wt1*wt1); | |
32 | }; | |
33 | void SetC0C1(Float_t c0,Float_t c1) {fC0=c0;fC1=c1;} // CAUTION: USE WITH CARE | |
34 | Float_t GetC0() const {return fC0;} | |
35 | Float_t GetC1() const {return fC1;} | |
36 | ||
37 | // setters and getters for conical | |
38 | void SetBoundariesA(Float_t boundariesA[8]); | |
39 | void SetBoundariesC(Float_t boundariesC[6]); // CE settings from the A side | |
40 | ||
41 | Float_t GetBoundariesA(Int_t i) const {return fBoundariesA[i];} | |
42 | Float_t GetBoundariesC(Int_t i) const {return fBoundariesC[i];} | |
43 | ||
44 | void InitBoundaryVoltErrorDistortion(); | |
45 | ||
46 | virtual void Print(const Option_t* option="") const; | |
47 | ||
48 | protected: | |
49 | virtual void GetCorrection(const Float_t x[],const Short_t roc,Float_t dx[]); | |
50 | ||
51 | private: | |
52 | Float_t fC0; // coefficient C0 (compare Jim Thomas's notes for definitions) | |
53 | Float_t fC1; // coefficient C1 (compare Jim Thomas's notes for definitions) | |
54 | Float_t fBoundariesA[8]; // Boundary values on the A side (see Setter function) | |
55 | Float_t fBoundariesC[8]; // Boundary values on the C side (see Setter function) | |
56 | ||
57 | Bool_t fInitLookUp; // flag to check it the Look Up table was created | |
58 | ||
59 | Double_t fLookUpErOverEz[kNZ][kNR]; // Array to store electric field integral (int Er/Ez) | |
60 | ||
61 | // basic numbers for the poisson relaxation //can be set individually in each class | |
62 | enum {kRows =257}; // grid size in r direction used in the poisson relaxation // ( 2**n + 1 ) eg. 65, 129, 257 etc. | |
63 | enum {kColumns=257}; // grid size in r direction used in the poisson relaxation // ( 2**m + 1 ) eg. 65, 129, 257 etc. | |
64 | enum {kIterations=100}; // Number of iterations within the poisson relaxation | |
65 | ||
66 | ClassDef(AliTPCBoundaryVoltError,0); | |
67 | }; | |
68 | ||
69 | #endif |