include/Geant4/G4MagneticField.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // G4MagneticField
0027 //
0028 // Class description:
0029 //
0030 // Magnetic Field abstract class, implements inquiry function interface.
0031
0032 // Created: J.Apostolakis, CERN - 13.01.1996
0033 // --------------------------------------------------------------------
0034 #ifndef G4MAGNETIC_FIELD_HH
0035 #define G4MAGNETIC_FIELD_HH
0036
0037 #include "G4Types.hh"
0038 #include "G4Field.hh"
0039
0040 class G4MagneticField : public G4Field
0041 {
0042   public:
0043
0044     G4MagneticField();
0045    ~G4MagneticField() override;
0046       // Constructor and destructor. No actions.
0047
0048     G4MagneticField(const G4MagneticField& r);
0049     G4MagneticField& operator= (const G4MagneticField& p);
0050       // Copy constructor & assignment operator.
0051
0052     inline G4bool DoesFieldChangeEnergy() const override { return false; }
0053       // Since a pure magnetic field does not change track energy
0054
0055     void GetFieldValue( const G4double Point[4],
0056                               G4double* Bfield ) const override = 0;
0057 };
0058
0059 #endif