Geant4_10
G4VMscModel.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // $Id: G4VMscModel.cc 71484 2013-06-17 08:12:51Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class file
31 //
32 //
33 // File name: G4VMscModel
34 //
35 // Author: Vladimir Ivanchenko
36 //
37 // Creation date: 07.03.2008
38 //
39 // Modifications:
40 //
41 //
42 // Class Description:
43 //
44 // General interface to msc models
45 
46 // -------------------------------------------------------------------
47 //
48 
49 #include "G4VMscModel.hh"
50 #include "G4SystemOfUnits.hh"
53 #include "G4LossTableBuilder.hh"
54 
55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 
59  G4VEmModel(nam),
60  safetyHelper(0),
61  ionisation(0),
62  facrange(0.04),
63  facgeom(2.5),
64  facsafety(0.3),
65  skin(1.0),
66  dtrl(0.05),
67  lambdalimit(mm),
68  geomMin(1.e-6*CLHEP::mm),
69  geomMax(1.e50*CLHEP::mm),
70  steppingAlgorithm(fUseSafety),
71  samplez(false),
72  latDisplasment(true)
73 {
74  dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g;
75  localrange = DBL_MAX;
76  localtkin = 0.0;
78  currentPart = 0;
79 }
80 
81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82 
84 {}
85 
86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
87 
90 {
91  // recomputed for each new run
92  if(!safetyHelper) {
94  ->GetSafetyHelper();
95  safetyHelper->InitialiseHelper();
96  }
97  G4ParticleChangeForMSC* change = 0;
98  if (pParticleChange) {
99  change = static_cast<G4ParticleChangeForMSC*>(pParticleChange);
100  } else {
101  change = new G4ParticleChangeForMSC();
102  }
103  if(p) {
104 
105  // table is never built for GenericIon
106  if(p->GetParticleName() == "GenericIon") {
107  if(xSectionTable) {
109  delete xSectionTable;
110  xSectionTable = 0;
111  }
112 
113  // table is always built for low mass particles
114  } else if(p->GetPDGMass() < 4.5*GeV || ForceBuildTableFlag()) {
115 
116  idxTable = 0;
117  G4LossTableBuilder* builder = man->GetTableBuilder();
118  if(IsMaster()) {
121  emin = std::max(emin, man->MinKinEnergy());
122  emax = std::min(emax, man->MaxKinEnergy());
123  if(emin < emax) {
124  xSectionTable = builder->BuildTableForModel(xSectionTable, this, p,
125  emin, emax, true);
126  }
127  }
128  theDensityFactor = builder->GetDensityFactors();
129  theDensityIdx = builder->GetCoupleIndexes();
130  }
131  }
132  return change;
133 }
134 
135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
136 
139 {
140  return fDisplacement;
141 }
142 
143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
144 
146 {
147  return DBL_MAX;
148 }
149 
150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
151 
153 {
154  return truePathLength;
155 }
156 
157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
158 
160 {
161  return geomPathLength;
162 }
163 
164 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
165 
166 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
167  const G4MaterialCutsCouple*,
168  const G4DynamicParticle*,
170 {}
171 
172 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double LowEnergyActivationLimit() const
Definition: G4VEmModel.hh:613
G4double HighEnergyActivationLimit() const
Definition: G4VEmModel.hh:606
size_t idxTable
Definition: G4VEmModel.hh:402
G4double LowEnergyLimit() const
Definition: G4VEmModel.hh:599
G4SafetyHelper * GetSafetyHelper() const
const std::vector< G4double > * GetDensityFactors()
void InitialiseHelper()
static G4LossTableManager * Instance()
G4bool ForceBuildTableFlag() const
Definition: G4VEmModel.hh:648
G4double HighEnergyLimit() const
Definition: G4VEmModel.hh:592
G4PhysicsTable * BuildTableForModel(G4PhysicsTable *table, G4VEmModel *model, const G4ParticleDefinition *, G4double emin, G4double emax, G4bool spline)
const char * p
Definition: xmltok.h:285
G4bool IsMaster() const
Definition: G4VEmModel.hh:676
const G4String & GetParticleName() const
G4LossTableBuilder * GetTableBuilder()
const std::vector< G4int > * theDensityIdx
Definition: G4VEmModel.hh:401
virtual G4double ComputeTrueStepLength(G4double geomPathLength)
Definition: G4VMscModel.cc:159
virtual G4double ComputeTruePathLengthLimit(const G4Track &track, G4double &stepLimit)
Definition: G4VMscModel.cc:145
G4double MinKinEnergy() const
G4ParticleChangeForMSC * GetParticleChangeForMSC(const G4ParticleDefinition *p=0)
Definition: G4VMscModel.cc:89
G4ThreeVector fDisplacement
Definition: G4VMscModel.hh:185
const std::vector< G4double > * theDensityFactor
Definition: G4VEmModel.hh:400
static G4TransportationManager * GetTransportationManager()
G4double GetPDGMass() const
T max(const T t1, const T t2)
brief Return the largest of the two arguments
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double tmax)
Definition: G4VMscModel.cc:166
T min(const T t1, const T t2)
brief Return the smallest of the two arguments
G4VParticleChange * pParticleChange
Definition: G4VEmModel.hh:398
G4PhysicsTable * xSectionTable
Definition: G4VEmModel.hh:399
double G4double
Definition: G4Types.hh:76
#define DBL_MAX
Definition: templates.hh:83
G4VMscModel(const G4String &nam)
Definition: G4VMscModel.cc:58
G4double MaxKinEnergy() const
virtual G4double ComputeGeomPathLength(G4double truePathLength)
Definition: G4VMscModel.cc:152
void clearAndDestroy()
virtual ~G4VMscModel()
Definition: G4VMscModel.cc:83
const std::vector< G4int > * GetCoupleIndexes()
virtual G4ThreeVector & SampleScattering(const G4ThreeVector &, G4double safety)
Definition: G4VMscModel.cc:138