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G4eMultipleScattering.cc
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25 //
26 //
27 // -----------------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 // File name: G4eMultipleScattering
32 //
33 // Author: Vladimir Ivanchenko
34 //
35 // Creation date: 10 March 2008
36 //
37 // Modifications:
38 //
39 // -----------------------------------------------------------------------------
40 //
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43 
44 #include "G4eMultipleScattering.hh"
45 #include "G4UrbanMscModel.hh"
46 #include "G4MscStepLimitType.hh"
47 #include "G4Electron.hh"
48 #include "G4Positron.hh"
49 
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 
52 using namespace std;
53 
54 G4eMultipleScattering::G4eMultipleScattering(const G4String& processName)
55  : G4VMultipleScattering(processName)
56 {
57  isInitialized = false;
58 }
59 
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 
62 G4eMultipleScattering::~G4eMultipleScattering()
63 {}
64 
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 
67 G4bool G4eMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
68 {
69  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
70 }
71 
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73 
74 void G4eMultipleScattering::InitialiseProcess(const G4ParticleDefinition*)
75 {
76  if(isInitialized) { return; }
77  if(!EmModel(0)) { SetEmModel(new G4UrbanMscModel()); }
78  AddEmModel(1, EmModel(0));
79  if(EmModel(1)) { AddEmModel(1, EmModel(1)); }
80  isInitialized = true;
81 }
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 
85 void G4eMultipleScattering::StreamProcessInfo(std::ostream& out) const
86 {
87  out << " RangeFactor= " << RangeFactor()
88  << ", stepLimType: " << StepLimitType()
89  << ", latDisp: " << LateralDisplasmentFlag();
90  if(StepLimitType() == fUseDistanceToBoundary) {
91  out << ", skin= " << Skin() << ", geomFactor= " << GeomFactor();
92  }
93  out << G4endl;
94 }
95 
96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
97 
98 void G4eMultipleScattering::ProcessDescription(std::ostream& out) const
99 {
100  out <<
101  " Multiple scattering. Simulates combined effects of elastic scattering\n"<<
102  " at the end of the step, to save computing time. May be combined with\n"<<
103  " Coulomb scattering in a 'mixed' scattering algorithm.";
104  G4VMultipleScattering::ProcessDescription(out);
105 }
106 
107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....