| | 1 | #ifndef ALIMAGF_H |
| | 2 | #define ALIMAGF_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 | // Basic magnetic field class |
| | 10 | // Used in all the detectors, and also in the traking classes |
| | 11 | // Author: |
| | 12 | //---------------------------------------------------------------------- |
| | 13 | |
| | 14 | #include "TNamed.h" |
| | 15 | |
| | 16 | enum Field_t {kUndef=1, kConst=1, kConMesh=2, kDipoMap=3}; |
| | 17 | |
| | 18 | class AliMagF : public TNamed { |
| | 19 | |
| | 20 | public: |
| | 21 | AliMagF(); |
| | 22 | AliMagF(const char *name, const char *title, Int_t integ, |
| | 23 | Float_t factor = 1., Float_t fmax = 10.); |
| | 24 | virtual ~AliMagF() {} |
| | 25 | virtual void Field(Float_t *x, Float_t *b) const; |
| | 26 | virtual Int_t Type() const {return fType;} |
| | 27 | virtual Float_t Max() const {return fMax;} |
| | 28 | virtual Int_t Map() const {return fMap;} |
| | 29 | virtual Int_t Integ() const {return fInteg;} |
| | 30 | virtual Float_t Factor() const {return fFactor;} |
| | 31 | virtual void ReadField() {} |
| | 32 | virtual Float_t SolenoidField() const {return 2.;} |
| | 33 | static void SetReadField(Bool_t flag = kTRUE) {fgReadField = flag;} |
| | 34 | protected: |
| | 35 | Int_t fMap; // Field Map identifier |
| | 36 | Int_t fType; // Mag Field type |
| | 37 | Int_t fInteg; // Integration method as indicated in Geant |
| | 38 | Float_t fFactor; // Multiplicative factor |
| | 39 | Float_t fMax; // Max Field as indicated in Geant |
| | 40 | static Bool_t fgReadField; // Flag for reading the field from file (if available) |
| | 41 | ClassDef(AliMagF,3) //Base class for all Alice MagField |
| | 42 | }; |
| | 43 | |
| | 44 | #endif |
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