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1 | #ifndef ALIMAGFDM_H | |
2 | #define ALIMAGFDM_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // Field with Magnetic Field map | |
10 | // Used by AliRun class | |
11 | // Author: | |
12 | //------------------------------------------------------------------------- | |
13 | ||
14 | #include "AliMagFC.h" | |
15 | // | |
16 | class AliMagFDM : public AliMagFC | |
17 | { | |
18 | //Alice Magnetic Field:Magnetic field map from IP to muon filter for Muon arm | |
19 | ||
20 | public: | |
21 | AliMagFDM(); | |
22 | AliMagFDM(const char *name, const char *title, Int_t integ, | |
23 | Float_t factor, Float_t fmax); | |
24 | virtual ~AliMagFDM(){} | |
25 | virtual void Field(Float_t *x, Float_t *b); | |
26 | virtual void ReadField(); | |
27 | virtual void SetSolenoidField(Float_t field = 2.) {fSolenoid = field;} | |
28 | virtual Float_t SolenoidField() const {return fSolenoid;} | |
29 | Int_t FZ(Double_t u, Float_t *Ar, Float_t du, Int_t ki, Int_t nu) const; | |
30 | Double_t Ba(Int_t kai, Double_t za1, Double_t za2, Double_t al1, Double_t al2, Double_t al3, Int_t ka, Int_t ma); | |
31 | Double_t Bb(Double_t z1, Double_t z2, Double_t y1, Double_t y2, Double_t x1, Double_t x2, Int_t kvr, Int_t k, Int_t l, Int_t m); | |
32 | ||
33 | ||
34 | protected: | |
35 | ||
36 | // | |
37 | Float_t fSolenoid; // Solenoid Field Strength | |
38 | Int_t fInd; // Character number of validity Map region | |
39 | ||
40 | Float_t fZmin; // Start of the cartesian part of MAP in z | |
41 | Float_t fZmax; // End of Map in z | |
42 | Float_t fYmax; // Start of the cartesian part of MAP in y | |
43 | Float_t fYmin; // End of the cartesian part of MAP in y | |
44 | Float_t fZpmx; // End of the polar part of MAP in z | |
45 | Float_t fZpmn; // Start of the polar part of MAP in z | |
46 | Float_t fRmax; // Maximal radius of the polar part of MAP | |
47 | Float_t fRmin; // Minimal radius of the polar part of MAP | |
48 | ||
49 | ||
50 | Float_t fXdel; // step in x - cartesian part of MAP | |
51 | Float_t fYdel; // step in y - cartesian part of MAP | |
52 | Float_t fZdel; // step in z - cartesian part of MAP | |
53 | ||
54 | Float_t fRdel; // step in r - polar part of MAP | |
55 | Float_t fPhid; // step in Phi - polar part of MAP | |
56 | Float_t fZpdl; // step in z - polar part of MAP | |
57 | ||
58 | Float_t fCx1; // Field constant | |
59 | Float_t fCx2; // Field constant | |
60 | Float_t fAx1; // Field constant | |
61 | Float_t fAx2; // Field constant | |
62 | ||
63 | Float_t fZc[81]; // z coordinates in cartesian part | |
64 | Float_t fY[81]; // y coordinates in cartesian part | |
65 | Float_t fBcx[81][81][44]; // Bx array for cartesian part | |
66 | Float_t fBcy[81][81][44]; // By array for cartesian part | |
67 | Float_t fBcz[81][81][44]; // Bz array for cartesian part | |
68 | ||
69 | Float_t fZp[51]; // z coordinates in polar part | |
70 | Float_t fR[10]; // r coordinates in polar part | |
71 | Float_t fPhi[33]; // Phi coordinates in polar part | |
72 | ||
73 | Float_t fBpx[51][10][33]; // Bx array for polar part | |
74 | Float_t fBpy[51][10][33]; // By array for polar part | |
75 | Float_t fBpz[51][10][33]; // Bx array for polar part | |
76 | Float_t fB[2][2][32]; // Limits of field | |
77 | ||
78 | Int_t fXl; // Number steps in x for cartesian part | |
79 | Int_t fYl; // Number steps in y for cartesian par | |
80 | Int_t fZl; // Number steps in z for cartesian part | |
81 | ||
82 | Int_t fRn; // Number steps in r for polar part | |
83 | Int_t fPhin; // Number steps in Phi for polar part | |
84 | Int_t fZpl; // Number steps in z for polar part | |
85 | ||
86 | ||
87 | ClassDef(AliMagFDM,1) //Class Magnetic field map from IP till muon filter | |
88 | }; | |
89 | ||
90 | #endif |