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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 // 27 /// \file errProp/include/ExErrorMagneticField.hh 28 /// \brief Definition of the ExErrorMagneticField class 29 // 30 31 #ifndef ExErrorMagneticField_H 32 #define ExErrorMagneticField_H 33 34 #include "G4UniformMagField.hh" 35 36 class G4FieldManager; 37 38 /// Magnetic field class 39 /// 40 /// A uniform 1 kilogauss field along the Z axis 41 /// 42 /// History: 43 /// Created: May 2007 44 /// \author P. Arce 45 //------------------------------------------------------------------------ 46 47 class ExErrorMagneticField : public G4UniformMagField 48 { 49 public: 50 ExErrorMagneticField(G4ThreeVector); // The value of the field 51 ExErrorMagneticField(); // A zero field 52 53 // Set the field (0,0,fieldValue) 54 void SetFieldValue(G4double fieldValue); 55 void SetFieldValue(G4ThreeVector fieldVector); 56 57 protected: 58 // Find the global Field Manager 59 G4FieldManager* GetGlobalFieldManager(); // static 60 }; 61 62 #endif 63