| 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.cc,v 1.7 2007/12/07 17:35:52 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $
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| 28 | //
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| 29 | // -----------------------------------------------------------------------------
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| 30 | //
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| 31 | // GEANT4 Class 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
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| 38 | //
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| 39 | // Modified:
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| 40 | // 12-02-07 skin can be changed via UI command (VI)
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| 41 | // 20.03.07 Remove local parameter skin, set facgeom=0.1(V.Ivanchenko)
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| 42 | //
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| 43 | // -----------------------------------------------------------------------------
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| 44 | //
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| 45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 46 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 47 |
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| 48 | #include "G4hMultipleScattering.hh"
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| 49 | #include "G4UrbanMscModel.hh"
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| 50 | #include "G4UrbanMscModel90.hh"
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| 51 | #include "G4MscStepLimitType.hh"
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| 52 |
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| 53 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 54 |
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| 55 | using namespace std;
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| 56 |
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| 57 | G4hMultipleScattering::G4hMultipleScattering(const G4String& processName)
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| 58 | : G4VMultipleScattering(processName)
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| 59 | {
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| 60 | dtrl = 0.05;
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| 61 | lambdalimit = 1.*mm;
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| 62 |
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| 63 | samplez = false ;
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| 64 | isInitialized = false;
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| 65 |
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| 66 | SetLateralDisplasmentFlag(true);
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| 67 | SetSkin(0.0);
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| 68 | SetRangeFactor(0.2);
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| 69 | SetGeomFactor(0.1);
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| 70 | SetStepLimitType(fMinimal);
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| 71 | }
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| 72 |
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| 73 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 74 |
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| 75 | G4hMultipleScattering::~G4hMultipleScattering()
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| 76 | {}
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| 77 |
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| 78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 79 |
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| 80 | G4bool G4hMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
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| 81 | {
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| 82 | return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
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| 83 | }
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| 84 |
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| 85 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 86 |
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| 87 | void G4hMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p)
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| 88 | {
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| 89 | // Modification of parameters between runs
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| 90 | if(isInitialized) {
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| 91 | if (p->GetParticleType() != "nucleus") {
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| 92 | mscUrban->SetStepLimitType(StepLimitType());
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| 93 | mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
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| 94 | mscUrban->SetSkin(Skin());
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| 95 | mscUrban->SetRangeFactor(RangeFactor());
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| 96 | mscUrban->SetGeomFactor(GeomFactor());
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| 97 | }
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| 98 | return;
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| 99 | }
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| 100 |
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| 101 | // initialisation of parameters
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| 102 | G4String part_name = p->GetParticleName();
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| 103 | mscUrban = new G4UrbanMscModel90(RangeFactor(),dtrl,lambdalimit,
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| 104 | GeomFactor(),Skin(),
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| 105 | samplez,StepLimitType());
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| 106 | mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
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| 107 |
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| 108 | if (p->GetParticleType() == "nucleus") {
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| 109 | mscUrban->SetStepLimitType(fMinimal);
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| 110 | SetLateralDisplasmentFlag(false);
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| 111 | SetBuildLambdaTable(false);
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| 112 | SetSkin(0.0);
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| 113 | SetRangeFactor(0.2);
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| 114 | }
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| 115 | AddEmModel(1,mscUrban);
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| 116 | isInitialized = true;
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| 117 | }
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| 118 |
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| 119 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 120 |
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| 121 | void G4hMultipleScattering::PrintInfo()
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| 122 | {
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| 123 | G4cout << " Boundary/stepping algorithm is active with RangeFactor= "
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| 124 | << RangeFactor()
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| 125 | << " Step limit type " << StepLimitType()
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| 126 | << G4endl;
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| 127 | }
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| 128 |
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| 129 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 130 |
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