| 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 | // $Id: G4hMultipleScattering.hh,v 1.6 2008/05/09 08:23:44 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-02 $
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| 28 | //
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| 29 | // -----------------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class header file
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| 32 | //
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| 33 | // File name: G4hMultipleScattering
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| 34 | //
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| 35 | // Author: Laszlo Urban
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| 36 | //
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| 37 | // Creation date: 24.10.2006 cloned from G4MultipleScattering by VI
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| 38 | //
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| 39 | // Modifications:
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| 40 | // 20.03.07 Remove local parameter skin (V.Ivanchenko)
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| 41 | //
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| 42 | //
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| 43 | //------------------------------------------------------------------------------
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| 44 |
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| 45 | // class description
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| 46 | //
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| 47 | // The class simulates the multiple scattering for any kind
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| 48 | // of charged particle.
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| 49 | //
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| 50 | // class description - end
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| 51 |
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| 52 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 53 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 54 |
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| 55 | #ifndef G4hMultipleScattering_h
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| 56 | #define G4hMultipleScattering_h 1
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| 57 |
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| 58 | #include "G4VMultipleScattering.hh"
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| 59 |
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| 60 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 61 |
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| 62 | class G4VMscModel;
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| 63 |
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| 64 | class G4hMultipleScattering : public G4VMultipleScattering
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| 65 |
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| 66 | {
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| 67 | public: // with description
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| 68 |
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| 69 | G4hMultipleScattering(const G4String& processName="msc");
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| 70 |
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| 71 | virtual ~G4hMultipleScattering();
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| 72 |
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| 73 | // returns true for charged particles, false otherwise
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| 74 | G4bool IsApplicable (const G4ParticleDefinition& p);
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| 75 |
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| 76 | // Print few lines of informations about the process: validity range,
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| 77 | void PrintInfo();
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| 78 |
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| 79 | // geom. step length distribution should be sampled or not
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| 80 | void Setsamplez(G4bool value) { samplez = value;};
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| 81 |
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| 82 | // to reduce the energy/step dependence
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| 83 | void Setdtrl(G4double value) { dtrl = value;};
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| 84 |
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| 85 | // 'soften' step limitation above lambdalimit
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| 86 | void SetLambdalimit(G4double value) { lambdalimit = value;};
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| 87 |
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| 88 | // The function overloads the corresponding function of the base
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| 89 | // class.It limits the step near to boundaries only
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| 90 | // and invokes the method GetMscContinuousStepLimit at every step.
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| 91 | G4double AlongStepGetPhysicalInteractionLength(
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| 92 | const G4Track&,
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| 93 | G4double previousStepSize,
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| 94 | G4double currentMinimalStep,
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| 95 | G4double& currentSafety,
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| 96 | G4GPILSelection* selection);
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| 97 |
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| 98 | protected:
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| 99 |
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| 100 | // This function initialise models
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| 101 | void InitialiseProcess(const G4ParticleDefinition*);
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| 102 |
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| 103 | private: // data members
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| 104 |
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| 105 | G4VMscModel* mscUrban;
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| 106 |
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| 107 | G4double lambdalimit;
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| 108 | G4double dtrl;
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| 109 |
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| 110 | G4bool samplez;
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| 111 | G4bool isInitialized;
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| 112 | G4bool isIon;
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| 113 |
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| 114 | };
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| 115 |
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| 116 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 117 |
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| 118 | #endif
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