[819] | 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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[963] | 27 | // $Id: G4OpAbsorption.cc,v 1.9 2008/10/24 19:52:28 gum Exp $ |
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[1228] | 28 | // GEANT4 tag $Name: geant4-09-03 $ |
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[819] | 29 | // |
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| 30 | //////////////////////////////////////////////////////////////////////// |
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| 31 | // Optical Photon Absorption Class Implementation |
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| 32 | //////////////////////////////////////////////////////////////////////// |
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| 33 | // |
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| 34 | // File: G4OpAbsorption.cc |
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| 35 | // Description: Discrete Process -- 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 | // 2000-09-18 by Peter Gumplinger |
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| 41 | // > comment out warning - "No Absorption length specified" |
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| 42 | // 1997-04-09 by Peter Gumplinger |
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| 43 | // > new physics/tracking scheme |
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| 44 | // 1998-08-25 by Stefano Magni |
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| 45 | // > Change process to use G4MaterialPropertiesTables |
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| 46 | // 1998-09-03 by Peter Gumplinger |
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| 47 | // > Protect G4MaterialPropertyVector* AttenuationLengthVector |
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| 48 | // mail: gum@triumf.ca |
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| 49 | // magni@mi.infn.it |
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| 50 | // |
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| 51 | //////////////////////////////////////////////////////////////////////// |
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| 52 | |
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| 53 | #include "G4ios.hh" |
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[963] | 54 | #include "G4OpProcessSubType.hh" |
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| 55 | |
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[819] | 56 | #include "G4OpAbsorption.hh" |
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| 57 | |
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| 58 | ///////////////////////// |
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| 59 | // Class Implementation |
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| 60 | ///////////////////////// |
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| 61 | |
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| 62 | ////////////// |
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| 63 | // Operators |
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| 64 | ////////////// |
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| 65 | |
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| 66 | // G4OpAbsorption::operator=(const G4OpAbsorption &right) |
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| 67 | // { |
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| 68 | // } |
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| 69 | |
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| 70 | ///////////////// |
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| 71 | // Constructors |
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| 72 | ///////////////// |
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| 73 | |
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| 74 | G4OpAbsorption::G4OpAbsorption(const G4String& processName, G4ProcessType type) |
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| 75 | : G4VDiscreteProcess(processName, type) |
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| 76 | { |
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| 77 | if (verboseLevel>0) { |
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| 78 | G4cout << GetProcessName() << " is created " << G4endl; |
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| 79 | } |
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[963] | 80 | |
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| 81 | SetProcessSubType(fOpAbsorption); |
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[819] | 82 | } |
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| 83 | |
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| 84 | // G4OpAbsorption::G4OpAbsorption(const G4OpAbsorpton &right) |
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| 85 | // { |
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| 86 | // } |
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| 87 | |
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| 88 | //////////////// |
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| 89 | // Destructors |
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| 90 | //////////////// |
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| 91 | |
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| 92 | G4OpAbsorption::~G4OpAbsorption(){} |
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| 93 | |
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| 94 | //////////// |
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| 95 | // Methods |
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| 96 | //////////// |
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| 97 | |
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| 98 | // PostStepDoIt |
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| 99 | // ------------- |
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| 100 | // |
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| 101 | G4VParticleChange* |
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| 102 | G4OpAbsorption::PostStepDoIt(const G4Track& aTrack, const G4Step& aStep) |
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| 103 | { |
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| 104 | aParticleChange.Initialize(aTrack); |
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| 105 | |
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| 106 | aParticleChange.ProposeTrackStatus(fStopAndKill); |
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| 107 | |
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| 108 | if (verboseLevel>0) { |
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| 109 | G4cout << "\n** Photon absorbed! **" << G4endl; |
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| 110 | } |
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| 111 | return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep); |
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| 112 | } |
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| 113 | |
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| 114 | |
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| 115 | // GetMeanFreePath |
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| 116 | // --------------- |
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| 117 | // |
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| 118 | G4double G4OpAbsorption::GetMeanFreePath(const G4Track& aTrack, |
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| 119 | G4double , |
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| 120 | G4ForceCondition* ) |
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| 121 | { |
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| 122 | const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle(); |
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| 123 | const G4Material* aMaterial = aTrack.GetMaterial(); |
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| 124 | |
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| 125 | G4double thePhotonMomentum = aParticle->GetTotalMomentum(); |
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| 126 | |
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| 127 | G4MaterialPropertiesTable* aMaterialPropertyTable; |
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| 128 | G4MaterialPropertyVector* AttenuationLengthVector; |
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| 129 | |
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| 130 | G4double AttenuationLength = DBL_MAX; |
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| 131 | |
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| 132 | aMaterialPropertyTable = aMaterial->GetMaterialPropertiesTable(); |
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| 133 | |
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| 134 | if ( aMaterialPropertyTable ) { |
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| 135 | AttenuationLengthVector = aMaterialPropertyTable-> |
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| 136 | GetProperty("ABSLENGTH"); |
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| 137 | if ( AttenuationLengthVector ){ |
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| 138 | AttenuationLength = AttenuationLengthVector-> |
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| 139 | GetProperty (thePhotonMomentum); |
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| 140 | } |
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| 141 | else { |
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| 142 | // G4cout << "No Absorption length specified" << G4endl; |
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| 143 | } |
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| 144 | } |
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| 145 | else { |
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| 146 | // G4cout << "No Absorption length specified" << G4endl; |
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| 147 | } |
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| 148 | |
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| 149 | return AttenuationLength; |
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| 150 | } |
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