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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 /// \file persistency/P01/include/ExP01MagneticField.hh 27 /// \brief Definition of the ExP01MagneticField class 28 // 29 // 30 // 31 // 32 // A class for control of the Magnetic Field of the detector. 33 // The field is assumed to be uniform. 34 // 35 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 36 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 37 38 #ifndef ExP01MagneticField_H 39 #define ExP01MagneticField_H 40 41 #include "G4UniformMagField.hh" 42 43 class G4FieldManager; 44 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 46 47 /// Magnetic field for the persistency example 48 49 class ExP01MagneticField : public G4UniformMagField 50 { 51 public: 52 ExP01MagneticField(G4ThreeVector); // The value of the field 53 ExP01MagneticField(); // A zero field 54 ~ExP01MagneticField(); 55 56 // Set the field (fieldValue,0,0) 57 void SetFieldValue(G4double fieldValue); 58 void SetFieldValue(G4ThreeVector fieldVector); 59 60 G4ThreeVector GetConstantFieldValue(); 61 62 protected: 63 // Find the global Field Manager 64 G4FieldManager* GetGlobalFieldManager(); // static 65 }; 66 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 68 69 #endif 70