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aee8290b | 1 | #ifndef ALIMAGF_H |
2 | #define ALIMAGF_H | |
3da30618 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
db83d72f | 6 | // |
7 | // Interface between the TVirtualMagField and AliMagWrapCheb: wrapper to | |
8 | // the set of magnetic field data + Tosca parameterization by | |
9 | // Chebyshev polynomials | |
10 | // | |
11 | // Author: ruben.shahoyan@cern.ch | |
12 | // | |
fe4da5cc | 13 | |
db83d72f | 14 | //#include <TGeoGlobalMagField.h> |
15 | #include <TVirtualMagField.h> | |
16 | class AliMagWrapCheb; | |
0742d588 | 17 | |
db83d72f | 18 | class AliMagF : public TVirtualMagField |
19 | { | |
20 | public: | |
21 | enum BMap_t {k2kG, k5kG, k5kGUniform}; | |
22 | enum BeamType_t {kBeamTypeAA, kBeamTypepp, kNoBeamField}; | |
23 | // | |
e2afb3b6 | 24 | AliMagF(); |
db83d72f | 25 | AliMagF(const char *name, const char* title, Int_t integ, |
26 | Double_t factorSol=1., Double_t factorDip=1., | |
27 | Double_t fmax=15, BMap_t maptype = k5kG, | |
28 | const char* path="$(ALICE_ROOT)/data/maps/mfchebKGI_sym.root", | |
9251fceb | 29 | BeamType_t btype=kBeamTypepp, Double_t benergy=7000.); |
db83d72f | 30 | AliMagF(const AliMagF& src); |
31 | AliMagF& operator=(const AliMagF& src); | |
32 | virtual ~AliMagF(); | |
33 | // | |
34 | virtual void Field(const Double_t *x, Double_t *b); | |
35 | void GetTPCInt(const Double_t *xyz, Double_t *b) const; | |
36 | void GetTPCIntCyl(const Double_t *rphiz, Double_t *b) const; | |
37 | Double_t GetBz(const Double_t *xyz) const; | |
38 | // | |
39 | AliMagWrapCheb* GetMeasuredMap() const {return fMeasuredMap;} | |
40 | // | |
41 | // former AliMagF methods or their aliases | |
42 | void SetFactorSol(Float_t fc=1.) {fFactorSol = fc;} | |
43 | void SetFactorDip(Float_t fc=1.) {fFactorDip = fc;} | |
44 | Double_t GetFactorSol() const {return fFactorSol;} | |
45 | Double_t GetFactorDip() const {return fFactorSol;} | |
46 | Double_t Factor() const {return GetFactorSol();} | |
47 | Bool_t IsUniform() const {return fMapType == k5kGUniform;} | |
48 | // | |
49 | void MachineField(const Double_t *x, Double_t *b) const; | |
50 | BMap_t GetMapType() const {return fMapType;} | |
db83d72f | 51 | BeamType_t GetBeamType() const {return fBeamType;} |
52 | Double_t GetBeamEnergy() const {return fBeamEnergy;} | |
53 | Double_t Max() const {return fMax;} | |
54 | Int_t Integ() const {return fInteg;} | |
55 | Int_t PrecInteg() const {return fPrecInteg;} | |
f04e7f5f | 56 | Double_t SolenoidField() const {return fFactorSol*fSolenoid;} |
db83d72f | 57 | // |
58 | Char_t* GetDataFileName() const {return (Char_t*)fParNames.GetName();} | |
59 | Char_t* GetParamName() const {return (Char_t*)fParNames.GetTitle();} | |
60 | void SetDataFileName(const Char_t* nm) {fParNames.SetName(nm);} | |
61 | void SetParamName(const Char_t* nm) {fParNames.SetTitle(nm);} | |
62 | // | |
63 | Bool_t LoadParameterization(); | |
64 | // | |
a0201063 | 65 | protected: |
db83d72f | 66 | // not supposed to be changed during the run, set only at the initialization via constructor |
67 | void InitMachineField(BeamType_t btype, Double_t benergy); | |
68 | void SetBeamType(BeamType_t type) {fBeamType = type;} | |
69 | void SetBeamEnergy(Float_t energy) {fBeamEnergy = energy;} | |
db83d72f | 70 | // |
71 | protected: | |
72 | AliMagWrapCheb* fMeasuredMap; //! Measured part of the field map | |
73 | BMap_t fMapType; // field map type | |
74 | Double_t fSolenoid; // Solenoid field setting | |
75 | BeamType_t fBeamType; // Beam type: A-A (fBeamType=0) or p-p (fBeamType=1) | |
76 | Double_t fBeamEnergy; // Beam energy in GeV | |
db83d72f | 77 | // |
78 | Int_t fInteg; // Default integration method as indicated in Geant | |
79 | Int_t fPrecInteg; // Alternative integration method, e.g. for higher precision | |
80 | Double_t fFactorSol; // Multiplicative factor for solenoid | |
81 | Double_t fFactorDip; // Multiplicative factor for dipole | |
82 | Double_t fMax; // Max Field as indicated in Geant | |
83 | Bool_t fDipoleOFF; // Dipole ON/OFF flag | |
84 | // | |
85 | Double_t fQuadGradient; // Gradient field for inner triplet quadrupoles | |
86 | Double_t fDipoleField; // Field value for D1 and D2 dipoles | |
87 | Double_t fCCorrField; // Side C 2nd compensator field | |
88 | Double_t fACorr1Field; // Side A 1st compensator field | |
89 | Double_t fACorr2Field; // Side A 2nd compensator field | |
90 | // | |
91 | TNamed fParNames; // file and parameterization loadad | |
92 | // | |
93 | static const Double_t fgkSol2DipZ; // conventional Z of transition from L3 to Dipole field | |
db83d72f | 94 | // |
9251fceb | 95 | ClassDef(AliMagF, 2) // Class for all Alice MagField wrapper for measured data + Tosca parameterization |
fe4da5cc | 96 | }; |
7a15f6b8 | 97 | |
db83d72f | 98 | |
fe4da5cc | 99 | #endif |