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: F01FieldSetup.hh,v 1.3 2006/06/29 17:15:45 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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29 | // |
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30 | // |
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31 | // A class for control of the Magnetic Field of the detector. |
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32 | // The field is assumed to be uniform. |
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33 | // |
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34 | // $ Id: $ |
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35 | |
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36 | // Should this be a: |
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37 | // i) messenger |
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38 | // ii) user class that creates the field ? |
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39 | // iii) simply a derived class of Uniform field ? <== I have chosen this now. |
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40 | // iv) a field manager that creates/updates field (Prefered?) |
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41 | // |
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42 | |
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43 | |
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44 | #ifndef F01FieldSetup_H |
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45 | #define F01FieldSetup_H |
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46 | |
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47 | #include "G4MagneticField.hh" |
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48 | #include "G4UniformMagField.hh" |
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49 | |
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50 | class G4FieldManager; |
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51 | class G4ChordFinder; |
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52 | class G4Mag_UsualEqRhs; |
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53 | class G4MagIntegratorStepper; |
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54 | class F01FieldMessenger; |
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55 | |
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56 | class F01FieldSetup |
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57 | { |
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58 | public: |
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59 | F01FieldSetup(G4ThreeVector) ; // The value of the field |
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60 | F01FieldSetup() ; // A zero field |
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61 | |
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62 | ~F01FieldSetup() ; |
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63 | |
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64 | |
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65 | void SetStepperType( G4int i) { fStepperType = i ; } |
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66 | |
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67 | void SetStepper(); |
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68 | |
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69 | void SetMinStep(G4double s) { fMinStep = s ; } |
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70 | |
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71 | void InitialiseAll(); // Set parameters and call method below |
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72 | void CreateStepperAndChordFinder(); |
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73 | |
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74 | void SetFieldValue(G4ThreeVector fieldVector) ; |
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75 | void SetFieldValue(G4double fieldValue) ; |
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76 | G4ThreeVector GetConstantFieldValue(); |
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77 | |
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78 | protected: |
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79 | |
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80 | // Find the global Field Manager |
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81 | |
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82 | G4FieldManager* GetGlobalFieldManager() ; // static |
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83 | |
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84 | G4FieldManager* fFieldManager ; |
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85 | G4ChordFinder* fChordFinder ; |
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86 | G4Mag_UsualEqRhs* fEquation ; |
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87 | G4MagneticField* fMagneticField ; |
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88 | |
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89 | G4MagIntegratorStepper* fStepper ; |
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90 | G4int fStepperType ; |
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91 | |
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92 | G4double fMinStep ; |
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93 | |
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94 | F01FieldMessenger* fFieldMessenger; |
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95 | |
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96 | }; |
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97 | |
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98 | #endif |
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