//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$//*
//             LOW ENERGY MUON SPIN RELAXATION, ROTATION, RADIATION 
// 
//  ID    :LEMuSRMagneticField.hh , v 1.3
//  AUTHOR: Taofiq PARAISO
//  DATE  : 2004-09-17 10:20
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$//
//
//  &           &&&&&&&&&&                            &&&&&&&         &&&&&&&&
//  &           &                                   &&      &&       &       &&
//  &           &                   &      &       &                &       &&
//  &           &&&&&&&            &      &         &&&&&&         &&&&&&&&  
//  &           &                 &      &&                &      &      &&
//  &           &                &&     &  &     &&      &&      &        &
//  &&&&&&&&&&  &&&&&&&&&&      &  &&&&&    &&    &&&&&&&       &        &&   
//                             &
//                            &
//                           &
//                         &  
//                               Magnetic Field   
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$//

#include "G4MagneticField.hh"
#include"G4ThreeVector.hh"
#include"G4ios.hh"

class LEMuSRMagneticField : public G4MagneticField
{
public: 


  LEMuSRMagneticField(const G4ThreeVector FieldVector);
  ~LEMuSRMagneticField();
 
  void GetFieldValue(const G4double pos[4], G4double *field) const;
  
  G4bool uniform;


  G4double R;

  
private:
  G4double flength, fpotential, fradius, fzmin, fzmax;


  G4ThreeVector position;
  G4ThreeVector BField;

};