| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4MagneticField.hh,v 1.14 2006/06/29 18:23:14 gunter Exp $
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| 28 | // GEANT4 tag $Name: $
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| 29 | //
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| 30 | //
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| 31 | // class G4MagneticField
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // Magnetic Field abstract class, implements inquiry function interface.
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| 36 |
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| 37 | // History:
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| 38 | // - Created. JA, January 13th, 1996.
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| 39 | // --------------------------------------------------------------------
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| 40 |
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| 41 | #ifndef G4MAGNETIC_FIELD_DEF
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| 42 | #define G4MAGNETIC_FIELD_DEF
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| 43 |
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| 44 | #include "G4Types.hh"
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| 45 | #include "G4ElectroMagneticField.hh"
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| 46 |
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| 47 | class G4MagneticField : public G4ElectroMagneticField
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| 48 | {
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| 49 | public: // with description
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| 50 |
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| 51 | G4MagneticField();
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| 52 | virtual ~G4MagneticField();
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| 53 | // Constructor and destructor. No actions.
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| 54 |
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| 55 | G4MagneticField(const G4MagneticField &r);
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| 56 | G4MagneticField& operator = (const G4MagneticField &p);
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| 57 | // Copy constructor & assignment operator.
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| 58 |
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| 59 | G4bool DoesFieldChangeEnergy() const { return false; }
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| 60 | // Since a pure magnetic field does not change track energy
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| 61 |
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| 62 | virtual void GetFieldValue( const G4double Point[4],
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| 63 | G4double *Bfield ) const = 0;
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| 64 | };
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| 65 |
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| 66 | #endif /* G4MAGNETIC_FIELD_DEF */
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