| fe4da5cc |
1 | #ifndef AliMagF_H |
| 2 | #define AliMagF_H |
| 3 | |
| 4 | #include "TNamed.h" |
| 5 | #include "TVector.h" |
| 6 | |
| 7 | enum Field_t {Undef=1, Const=1, ConMesh=2}; |
| 8 | |
| 9 | class AliMagF : public TNamed { |
| 10 | |
| 11 | protected: |
| 12 | Int_t fMap; // Field Map identifier |
| 13 | Int_t fType; // Mag Field type |
| 14 | Int_t fInteg; // Integration method as indicated in Geant |
| 15 | Float_t fFactor; // Multiplicative factor |
| 16 | Float_t fMax; // Max Field as indicated in Geant |
| 17 | |
| 18 | public: |
| 19 | AliMagF(){} |
| 20 | AliMagF(const char *name, const char *title, const Int_t integ, const Int_t map, |
| 21 | const Float_t factor, const Float_t fmax); |
| 22 | virtual ~AliMagF() {} |
| 23 | virtual void Field(Float_t *x, Float_t *b); |
| 24 | virtual Int_t Type() {return fType;} |
| 25 | virtual Float_t Max() const {return fMax;} |
| 26 | virtual Int_t Map() const {return fMap;} |
| 27 | virtual Int_t Integ() const {return fInteg;} |
| 28 | virtual Float_t Factor() const {return fFactor;} |
| 29 | virtual void ReadField() {} |
| 30 | |
| 31 | ClassDef(AliMagF,1) //Base class for all Alice MagField |
| 32 | }; |
| 33 | |
| 34 | class AliMagFC : public AliMagF |
| 35 | { |
| 36 | //Alice Constant Magnetic Field |
| 37 | private: |
| 38 | |
| 39 | public: |
| 40 | AliMagFC(){} |
| 41 | AliMagFC(const char *name, const char *title, const Int_t integ, const Int_t map, |
| 42 | const Float_t factor, const Float_t fmax); |
| 43 | virtual ~AliMagFC() {} |
| 44 | virtual void Field(Float_t *x, Float_t *b); |
| 45 | virtual void ReadField() {} |
| 46 | |
| 47 | ClassDef(AliMagFC,1) //Class for all Alice Constant MagField |
| 48 | }; |
| 49 | |
| 50 | class AliMagFCM : public AliMagF |
| 51 | { |
| 52 | //Alice Magnetic Field with constan mesh |
| 53 | protected: |
| 54 | |
| 55 | Float_t fXbeg; // Start of mesh in x |
| 56 | Float_t fYbeg; // Start of mesh in y |
| 57 | Float_t fZbeg; // Start of mesh in z |
| 58 | Float_t fXdel; // Mesh step in x |
| 59 | Float_t fYdel; // Mesh step in y |
| 60 | Float_t fZdel; // Mesh step in z |
| 61 | Double_t fXdeli; // Inverse of Mesh step in x |
| 62 | Double_t fYdeli; // Inverse of Mesh step in y |
| 63 | Double_t fZdeli; // Inverse of Mesh step in z |
| 64 | Int_t fXn; // Number of mesh points in x |
| 65 | Int_t fYn; // Number of mesh points in y |
| 66 | Int_t fZn; // Number of mesh points in z |
| 67 | TVector *fB; // Field map |
| 68 | public: |
| 69 | AliMagFCM(){} |
| 70 | AliMagFCM(const char *name, const char *title, const Int_t integ, const Int_t map, |
| 71 | const Float_t factor, const Float_t fmax); |
| 72 | virtual ~AliMagFCM() {delete fB;} |
| 73 | virtual void Field(Float_t *x, Float_t *b); |
| 74 | virtual void ReadField(); |
| 75 | |
| 76 | inline Float_t Bx(const Int_t ix, const Int_t iy, const Int_t iz) { |
| 77 | return (*fB)(3*(iz*(fXn*fYn)+iy*fXn+ix)); |
| 78 | } |
| 79 | inline Float_t By(const Int_t ix, const Int_t iy, const Int_t iz) { |
| 80 | return (*fB)(3*(iz*(fXn*fYn)+iy*fXn+ix)+1); |
| 81 | } |
| 82 | inline Float_t Bz(const Int_t ix, const Int_t iy, const Int_t iz) { |
| 83 | return (*fB)(3*(iz*(fXn*fYn)+iy*fXn+ix)+2); |
| 84 | } |
| 85 | |
| 86 | ClassDef(AliMagFCM,1) //Class for all Alice MagField with Constant Mesh |
| 87 | }; |
| 88 | |
| 89 | #endif |
git://git.uio.no / u / mrichter / AliRoot.git / blame