AliGeant4/AliMagneticField.h

   1 //  $Id$
   2 // Category: geometry
   3 //
   4 // Author: I. Hrivnacova
   5 //
   6 // Class AliMagneticField
   7 // ----------------------
   8 // Uniform magnetic field.
   9 // According to:
  10 // Id: ExN02MagneticField.hh,v 1.1 1999/01/07 16:05:47 gunter Exp
  11 // GEANT4 tag Name: geant4-00-01
  12
  13 #ifndef ALI_MAGNETIC_FIELD_H
  14 #define ALI_MAGNETIC_FIELD_H
  15
  16 #include <G4UniformMagField.hh>
  17
  18 class G4FieldManager;
  19
  20 class AliMagneticField: public G4UniformMagField
  21 {
  22   public:
  23     AliMagneticField();                   //  A zero field
  24     AliMagneticField(G4ThreeVector fied); //  The value of the field
  25     AliMagneticField(const AliMagneticField& right);
  26     virtual ~AliMagneticField();
  27
  28     // operators
  29     AliMagneticField& operator=(const AliMagneticField& right);
  30
  31     // set methods
  32     void SetFieldValue(G4ThreeVector fieldVector);
  33     void SetFieldValue(G4double      fieldValue);
  34               // Set the field to (0, 0, fieldValue)
  35
  36   protected:
  37     // Find the global Field Manager
  38     G4FieldManager* GetGlobalFieldManager() const;
  39 };
  40
  41 #endif //ALI_MAGNETIC_FIELD_H