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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 | #include "AliMagF.h" |
| 9 | // |
| 10 | class AliMagFDM : public AliMagF |
| 11 | { |
| 12 | //Alice Magnetic Field:Magnetic field map from IP to muon filter for Muon arm |
| 13 | |
| 14 | public: |
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15 | AliMagFDM(); |
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16 | AliMagFDM(const char *name, const char *title, const Int_t integ, |
| 17 | const Float_t factor, const Float_t fmax); |
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18 | virtual ~AliMagFDM(){} |
| 19 | virtual void Field(Float_t *x, Float_t *b); |
| 20 | virtual void ReadField(); |
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21 | virtual void SetSolenoidField(Float_t field = 2.) {fSolenoid = field;} |
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22 | virtual Float_t SolenoidField() const {return fSolenoid;} |
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23 | Int_t FZ(Double_t u, Float_t *Ar, Float_t du, Int_t ki, Int_t nu) const; |
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24 | 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); |
| 25 | 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); |
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26 | |
| 27 | |
| 28 | protected: |
| 29 | |
| 30 | // |
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31 | Float_t fSolenoid; // Solenoid Field Strength |
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32 | Int_t fInd; // Character number of validity Map region |
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33 | |
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34 | Float_t fZmin; // Start of the cartesian part of MAP in z |
| 35 | Float_t fZmax; // End of Map in z |
| 36 | Float_t fYmax; // Start of the cartesian part of MAP in y |
| 37 | Float_t fYmin; // End of the cartesian part of MAP in y |
| 38 | Float_t fZpmx; // End of the polar part of MAP in z |
| 39 | Float_t fZpmn; // Start of the polar part of MAP in z |
| 40 | Float_t fRmax; // Maximal radius of the polar part of MAP |
| 41 | Float_t fRmin; // Minimal radius of the polar part of MAP |
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42 | |
| 43 | |
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44 | Float_t fXdel; // step in x - cartesian part of MAP |
| 45 | Float_t fYdel; // step in y - cartesian part of MAP |
| 46 | Float_t fZdel; // step in z - cartesian part of MAP |
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47 | |
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48 | Float_t fRdel; // step in r - polar part of MAP |
| 49 | Float_t fPhid; // step in Phi - polar part of MAP |
| 50 | Float_t fZpdl; // step in z - polar part of MAP |
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51 | |
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52 | Float_t fCx1; // Field constant |
| 53 | Float_t fCx2; // Field constant |
| 54 | Float_t fAx1; // Field constant |
| 55 | Float_t fAx2; // Field constant |
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56 | |
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57 | Float_t fZc[81]; // z coordinates in cartesian part |
| 58 | Float_t fY[81]; // y coordinates in cartesian part |
| 59 | Float_t fBcx[81][81][44]; // Bx array for cartesian part |
| 60 | Float_t fBcy[81][81][44]; // By array for cartesian part |
| 61 | Float_t fBcz[81][81][44]; // Bz array for cartesian part |
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62 | |
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63 | Float_t fZp[51]; // z coordinates in polar part |
| 64 | Float_t fR[10]; // r coordinates in polar part |
| 65 | Float_t fPhi[33]; // Phi coordinates in polar part |
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66 | |
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67 | Float_t fBpx[51][10][33]; // Bx array for polar part |
| 68 | Float_t fBpy[51][10][33]; // By array for polar part |
| 69 | Float_t fBpz[51][10][33]; // Bx array for polar part |
| 70 | Float_t fB[2][2][32]; // Limits of field |
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71 | |
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72 | Int_t fXl; // Number steps in x for cartesian part |
| 73 | Int_t fYl; // Number steps in y for cartesian par |
| 74 | Int_t fZl; // Number steps in z for cartesian part |
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75 | |
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76 | Int_t fRn; // Number steps in r for polar part |
| 77 | Int_t fPhin; // Number steps in Phi for polar part |
| 78 | Int_t fZpl; // Number steps in z for polar part |
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79 | |
| 80 | |
| 81 | ClassDef(AliMagFDM,1) //Class Magnetic field map from IP till muon filter |
| 82 | }; |
| 83 | |
| 84 | #endif |
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