AliGeant4/AliMagneticField.h

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