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G4UniformMagField.hh
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27 // $Id: G4UniformMagField.hh 69786 2013-05-15 09:38:51Z gcosmo $
28 //
29 //
30 // class G4UniformMagField
31 //
32 // Class description:
33 //
34 // Class for creation of Uniform Magnetic Field.
35 
36 // History:
37 // - 30.01.97 V.Grichine, Created.
38 // - 01.08.97 J.Apostolakis, cleanup, new 3-vector constructor,
39 // and removal of helix-stepper (to separate file).
40 // - 05.11.97 G.Cosmo, added copy constructor and assignment operator.
41 
42 #ifndef G4UNIFORMMAGFIELD_HH
43 #define G4UNIFORMMAGFIELD_HH
44 
45 #include "G4Types.hh"
46 #include "G4ThreeVector.hh"
47 #include "G4MagneticField.hh"
48 
50 {
51  public: // with description
52 
53  G4UniformMagField(const G4ThreeVector& FieldVector );
54  // A field with value equal to FieldVector.
55 
57  G4double vTheta,
58  G4double vPhi ) ;
59 
60  virtual ~G4UniformMagField() ;
61 
64  // Copy constructor and assignment operator.
65 
66  virtual void GetFieldValue(const G4double yTrack[4],
67  G4double *MagField) const ;
68 
69  void SetFieldValue(const G4ThreeVector& newFieldValue);
70 
72  // Return the field value
73 
74  private:
75 
76  G4double fFieldComponents[3] ;
77 };
78 
79 #endif