[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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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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| 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: G4VTransitionRadiation.hh,v 1.3 2006/06/29 19:55:53 gunter Exp $ |
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[1337] | 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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[819] | 29 | // |
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| 30 | // G4VTransitionRadiation -- header file |
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| 31 | // |
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| 32 | // Generic process of transition radiation |
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| 33 | // |
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| 34 | // History: |
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| 35 | // 29.02.04, V.Ivanchenko created |
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| 36 | // 28.07.05, P.Gumplinger add G4ProcessType to constructor |
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| 37 | |
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| 38 | #ifndef G4VTransitionRadiation_h |
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| 39 | #define G4VTransitionRadiation_h |
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| 40 | |
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| 41 | |
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| 42 | #include "G4VDiscreteProcess.hh" |
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| 43 | #include "G4Track.hh" |
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| 44 | #include "G4ForceCondition.hh" |
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| 45 | #include "globals.hh" |
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| 46 | #include <vector> |
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| 47 | |
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| 48 | class G4Material; |
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| 49 | class G4Region; |
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| 50 | class G4VTRModel; |
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| 51 | class G4particleDefinition; |
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| 52 | |
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| 53 | class G4VTransitionRadiation : public G4VDiscreteProcess |
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| 54 | { |
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| 55 | public: |
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| 56 | |
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| 57 | // Constructors |
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| 58 | G4VTransitionRadiation( const G4String& processName = "TR", |
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| 59 | G4ProcessType type = fElectromagnetic); |
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| 60 | |
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| 61 | |
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| 62 | // Destructor |
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| 63 | virtual ~G4VTransitionRadiation() ; |
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| 64 | |
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| 65 | virtual G4bool IsApplicable(const G4ParticleDefinition& aParticleType); |
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| 66 | |
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| 67 | virtual G4double GetMeanFreePath(const G4Track& track, G4double, |
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| 68 | G4ForceCondition* condition); |
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| 69 | |
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| 70 | virtual G4VParticleChange* PostStepDoIt(const G4Track& track, |
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| 71 | const G4Step& step); |
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| 72 | |
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| 73 | virtual void PrintInfoDefinition(); |
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| 74 | // Print out of the class parameters |
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| 75 | |
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| 76 | void SetRegion(const G4Region* reg); |
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| 77 | |
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| 78 | void SetModel(G4VTRModel* m); |
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| 79 | |
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| 80 | // private : |
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| 81 | |
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| 82 | void Clear(); |
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| 83 | |
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| 84 | // hide assignment operator |
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| 85 | G4VTransitionRadiation & operator=(const G4VTransitionRadiation &right); |
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| 86 | G4VTransitionRadiation(const G4VTransitionRadiation&); |
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| 87 | |
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| 88 | std::vector<const G4Material*> materials; |
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| 89 | std::vector<G4double> steps; |
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| 90 | std::vector<G4ThreeVector> normals; |
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| 91 | |
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| 92 | G4ThreeVector startingPosition; |
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| 93 | G4ThreeVector startingDirection; |
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| 94 | const G4Region* region; |
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| 95 | G4VTRModel* model; |
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| 96 | |
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| 97 | G4int nSteps; |
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| 98 | |
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| 99 | G4double gammaMin; |
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| 100 | G4double cosDThetaMax; |
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| 101 | |
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| 102 | }; |
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| 103 | |
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| 104 | inline G4double G4VTransitionRadiation::GetMeanFreePath( |
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| 105 | const G4Track& track, G4double, |
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| 106 | G4ForceCondition* condition) |
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| 107 | { |
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| 108 | if(nSteps > 0) { |
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| 109 | *condition = StronglyForced; |
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| 110 | } else { |
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| 111 | *condition = NotForced; |
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| 112 | if(track.GetKineticEnergy()/track.GetDefinition()->GetPDGMass() + 1.0 > gammaMin && |
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| 113 | track.GetVolume()->GetLogicalVolume()->GetRegion() == region) { |
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| 114 | *condition = StronglyForced; |
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| 115 | } |
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| 116 | } |
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| 117 | return DBL_MAX; // so TR doesn't limit mean free path |
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| 118 | } |
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| 119 | |
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| 120 | |
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| 121 | #endif // G4VTransitionRadiation_h |
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