3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
10 enum Field_t {kUndef=1, kConst=1, kConMesh=2, kDipoMap=3};
12 class AliMagF : public TNamed {
16 AliMagF(const char *name, const char *title, const Int_t integ,
17 const Float_t factor = 1., const Float_t fmax = 10.);
19 virtual void Field(Float_t *x, Float_t *b);
20 virtual Int_t Type() const {return fType;}
21 virtual Float_t Max() const {return fMax;}
22 virtual Int_t Map() const {return fMap;}
23 virtual Int_t Integ() const {return fInteg;}
24 virtual Float_t Factor() const {return fFactor;}
25 virtual void ReadField() {}
26 virtual void SetDebug(Int_t level=0) {fDebug=level;}
27 virtual Float_t SolenoidField() const {return 2.;}
29 virtual Int_t GetDebug() const {return fDebug;}
32 Int_t fMap; // Field Map identifier
33 Int_t fType; // Mag Field type
34 Int_t fInteg; // Integration method as indicated in Geant
35 Float_t fFactor; // Multiplicative factor
36 Float_t fMax; // Max Field as indicated in Geant
37 Int_t fDebug; // Debug flag
39 ClassDef(AliMagF,1) //Base class for all Alice MagField
42 //ZDC part -------------------------------------------------------------------
44 // ************************ LHC optics v6.4 *****************************
45 static const Float_t kG1=20.443;
46 static const Float_t kFDIP=-37.85;
47 static const Float_t kFCORN2=-9.6979;
49 // ZBEG Beginning of the inner triplet
50 // D1BEG Beginning of separator dipole 1
51 // D2BEG Beginning of separator dipole 2
52 // CORBEG Corrector dipole beginning (because of dimuon arm)
54 static const Float_t kCORBEG2=1972.5,kCOREND2=kCORBEG2+153., kCOR2RA2=4.5*4.5;
56 static const Float_t kZBEG=2296.5;
57 static const Float_t kZ1BEG=kZBEG+ 0., kZ1END=kZ1BEG+637.,kZ1RA2=3.5*3.5;
58 static const Float_t kZ2BEG=kZBEG+ 908.5,kZ2END=kZ2BEG+550.,kZ2RA2=3.5*3.5;
59 static const Float_t kZ3BEG=kZBEG+1558.5,kZ3END=kZ3BEG+550.,kZ3RA2=3.5*3.5;
60 static const Float_t kZ4BEG=kZBEG+2430., kZ4END=kZ4BEG+637.,kZ4RA2=3.5*3.5;
61 static const Float_t kD1BEG=5838.3 ,kD1END=kD1BEG+945.,kD1RA2=4.5*4.5;
62 static const Float_t kD2BEG=12167.8 ,kD2END=kD2BEG+945.,kD2RA2=4.5*4.5;
64 static const Float_t kXCEN1D2=-9.7 ,kYCEN1D2=0.;
65 static const Float_t kXCEN2D2=9.7 ,kYCEN2D2=0.;
67 //ZDC part -------------------------------------------------------------------