class AliMagF: public TVirtualMagField

 Default constructor

 Initialize the field with Geant integration option "integ" and max field "fmax,
 Impose scaling of parameterized L3 field by factorSol and of dipole by factorDip.
 The "be" is the energy of the beam in GeV/nucleon

 Method to calculate the field at point  xyz

  b[0]=b[1]=b[2]=0.0;

 Method to calculate the field at point  xyz

 ---- This is the ZDC part
 Compansators for Alice Muon Arm Dipole

 Method to calculate the integral_0^z of br,bt,bz

 Method to calculate the integral_0^z of bx/bz,by/bz and (bx/bz)^2+(by/bz)^2

 Method to calculate the integral_0^z of br,bt,bz
 in cylindrical coordiates ( -pi<phi<pi convention )

 Method to calculate the integral_0^z of bx/bz,by/bz and (bx/bz)^2+(by/bz)^2
 in cylindrical coordiates ( -pi<phi<pi convention )

 set the sign/scale of the current in the L3 according to fgkPolarityConvention

 set the sign*scale of the current in the Dipole according to fgkPolarityConvention

 return the sign*scale of the current in the Dipole according to fgkPolarityConventionthe

 return the sign*scale of the current in the Dipole according to fgkPolarityConventionthe

 The magnetic field map, defined externally...
 L3 current 30000 A  -> 0.5 T
 L3 current 12000 A  -> 0.2 T
 dipole current 6000 A
 The polarities must match the convention (LHC or DCS2008)
 unless the special uniform map was used for MC

 beam type in text form

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