| 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: G4UniformMagField.hh,v 1.9 2006/06/29 18:23:27 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: HEAD $ |
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| 29 | // |
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| 30 | // |
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| 31 | // class G4UniformMagField |
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| 32 | // |
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| 33 | // Class description: |
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| 34 | // |
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| 35 | // Class for creation of Uniform Magnetic Field. |
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| 36 | |
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| 37 | // History: |
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| 38 | // - 30.01.97 V.Grichine, Created. |
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| 39 | // - 01.08.97 J.Apostolakis, cleanup, new 3-vector constructor, |
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| 40 | // and removal of helix-stepper (to separate file). |
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| 41 | // - 05.11.97 G.Cosmo, added copy constructor and assignment operator. |
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| 42 | |
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| 43 | #ifndef G4UNIFORMMAGFIELD_HH |
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| 44 | #define G4UNIFORMMAGFIELD_HH |
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| 45 | |
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| 46 | #include "G4Types.hh" |
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| 47 | #include "G4ThreeVector.hh" |
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| 48 | #include "G4MagneticField.hh" |
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| 49 | |
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| 50 | class G4UniformMagField : public G4MagneticField |
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| 51 | { |
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| 52 | public: // with description |
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| 53 | |
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| 54 | G4UniformMagField(const G4ThreeVector& FieldVector ); |
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| 55 | // A field with value equal to FieldVector. |
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| 56 | |
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| 57 | G4UniformMagField(G4double vField, |
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| 58 | G4double vTheta, |
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| 59 | G4double vPhi ) ; |
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| 60 | |
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| 61 | virtual ~G4UniformMagField() ; |
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| 62 | |
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| 63 | G4UniformMagField(const G4UniformMagField &p); |
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| 64 | G4UniformMagField& operator = (const G4UniformMagField &p); |
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| 65 | // Copy constructor and assignment operator. |
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| 66 | |
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| 67 | virtual void GetFieldValue(const G4double yTrack[4], |
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| 68 | G4double *MagField) const ; |
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| 69 | |
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| 70 | void SetFieldValue(const G4ThreeVector& newFieldValue); |
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| 71 | |
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| 72 | G4ThreeVector GetConstantFieldValue() const; |
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| 73 | // Return the field value |
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| 74 | |
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| 75 | private: |
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| 76 | |
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| 77 | G4double fFieldComponents[3] ; |
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| 78 | }; |
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| 79 | |
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| 80 | #endif |
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