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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // G4ElectricField 27 // 28 // Class description: 29 // 30 // Electric field abstract class, implements inquiry function interface. 31 32 // Created: J.Apostolakis - 04.11.2003 33 // -------------------------------------------------------------------- 34 #ifndef G4ELECTRIC_FIELD_HH 35 #define G4ELECTRIC_FIELD_HH 36 37 #include "G4Types.hh" 38 #include "G4ElectroMagneticField.hh" 39 40 class G4ElectricField : public G4ElectroMagneticField 41 { 42 public: 43 44 G4ElectricField(); 45 ~G4ElectricField() override; 46 // Constructor and destructor. No actions. 47 48 G4ElectricField(const G4ElectricField& r); 49 G4ElectricField& operator = (const G4ElectricField& p); 50 // Copy constructor & assignment operator. 51 52 G4bool DoesFieldChangeEnergy() const override { return true; } 53 // Since an electric field can change track energy 54 55 void GetFieldValue( const G4double Point[4], 56 G4double* Bfield ) const override = 0; 57 }; 58 59 #endif /* G4ELECTRIC_FIELD_DEF */ 60