| 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: G4OpAbsorption.hh,v 1.9 2006/06/29 21:08:36 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-02 $
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| 29 | //
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| 30 | ////////////////////////////////////////////////////////////////////////
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| 31 | // Optical Photon Absorption Class Definition
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| 32 | ////////////////////////////////////////////////////////////////////////
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| 33 | //
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| 34 | // File: G4OpAbsorption.hh
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| 35 | // Description: Discrete Process -- Bulk absorption of Optical Photons
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| 36 | // Version: 1.0
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| 37 | // Created: 1996-05-21
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| 38 | // Author: Juliet Armstrong
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| 39 | // Updated: 2005-07-28 add G4ProcessType to constructor
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| 40 | // 1999-10-29 add method and class descriptors
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| 41 | // 1997-04-09 by Peter Gumplinger
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| 42 | // > new physics/tracking scheme
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| 43 | // 1998-08-25 by Stefano Magni
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| 44 | // > Change process to use G4MaterialPropertiesTables
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| 45 | // mail: gum@triumf.ca
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| 46 | // magni@mi.infn.it
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| 47 | //
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| 48 | ////////////////////////////////////////////////////////////////////////
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| 49 |
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| 50 | #ifndef G4OpAbsorption_h
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| 51 | #define G4OpAbsorption_h 1
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| 52 |
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| 53 | /////////////
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| 54 | // Includes
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| 55 | /////////////
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| 56 |
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| 57 | #include "globals.hh"
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| 58 | #include "templates.hh"
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| 59 | #include "Randomize.hh"
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| 60 | #include "G4Step.hh"
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| 61 | #include "G4VDiscreteProcess.hh"
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| 62 | #include "G4DynamicParticle.hh"
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| 63 | #include "G4Material.hh"
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| 64 | #include "G4OpticalPhoton.hh"
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| 65 |
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| 66 | // Class Description:
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| 67 | // Discrete Process -- Bulk absorption of Optical Photons.
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| 68 | // Class inherits publicly from G4VDiscreteProcess
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| 69 | // Class Description - End:
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| 70 |
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| 71 | /////////////////////
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| 72 | // Class Definition
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| 73 | /////////////////////
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| 74 |
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| 75 | class G4OpAbsorption : public G4VDiscreteProcess
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| 76 | {
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| 77 |
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| 78 | private:
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| 79 |
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| 80 | //////////////
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| 81 | // Operators
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| 82 | //////////////
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| 83 |
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| 84 | // G4OpAbsorption& operator=(const G4OpAbsorption &right);
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| 85 |
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| 86 | public: // Without description
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| 87 |
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| 88 | ////////////////////////////////
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| 89 | // Constructors and Destructor
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| 90 | ////////////////////////////////
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| 91 |
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| 92 | G4OpAbsorption(const G4String& processName = "OpAbsorption",
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| 93 | G4ProcessType type = fOptical);
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| 94 |
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| 95 | // G4OpAbsorption(const G4OpAbsorption &right);
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| 96 |
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| 97 | ~G4OpAbsorption();
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| 98 |
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| 99 | ////////////
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| 100 | // Methods
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| 101 | ////////////
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| 102 |
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| 103 | public: // With description
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| 104 |
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| 105 | G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
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| 106 | // Returns true -> 'is applicable' only for an optical photon.
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| 107 |
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| 108 | G4double GetMeanFreePath(const G4Track& aTrack,
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| 109 | G4double ,
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| 110 | G4ForceCondition* );
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| 111 | // Returns the absorption length for bulk absorption of optical
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| 112 | // photons in media with a specified attenuation length.
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| 113 |
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| 114 | G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
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| 115 | const G4Step& aStep);
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| 116 | // This is the method implementing bulk absorption of optical
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| 117 | // photons.
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| 118 |
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| 119 | };
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| 120 |
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| 121 | ////////////////////
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| 122 | // Inline methods
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| 123 | ////////////////////
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| 124 |
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| 125 | inline
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| 126 | G4bool G4OpAbsorption::IsApplicable(const G4ParticleDefinition& aParticleType)
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| 127 | {
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| 128 | return ( &aParticleType == G4OpticalPhoton::OpticalPhoton() );
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| 129 | }
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| 130 |
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| 131 | #endif /* G4OpAbsorption_h */
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