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: $ |
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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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