source: trunk/source/processes/electromagnetic/utils/include/G4VMscModel.hh @ 1005

Last change on this file since 1005 was 1005, checked in by garnier, 15 years ago

fichier oublies
File size: 5.8 KB
Line 
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.hh,v 1.8 2009/02/24 09:56:03 vnivanch Exp $
27// GEANT4 tag $Name: geant4-09-02-ref-02 $
28//
29// -------------------------------------------------------------------
30//
31// GEANT4 Class header file
32//
33//
34// File name:     G4VMscModel
35//
36// Author:        Vladimir Ivanchenko
37//
38// Creation date: 07.03.2008
39//
40// Modifications:
41//
42//
43// Class Description:
44//
45// General interface to msc models
46
47// -------------------------------------------------------------------
48//
49
50#ifndef G4VMscModel_h
51#define G4VMscModel_h 1
52
53#include "G4VEmModel.hh"
54#include "G4MscStepLimitType.hh"
55#include "globals.hh"
56#include "G4ThreeVector.hh"
57#include "G4Track.hh"
58#include "G4SafetyHelper.hh"
59
60class G4ParticleChangeForMSC;
61
62class G4VMscModel : public G4VEmModel
63{
64
65public:
66
67  G4VMscModel(const G4String& nam);
68
69  virtual ~G4VMscModel();
70
71  // empty
72  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
73                                 const G4MaterialCutsCouple*,
74                                 const G4DynamicParticle*,
75                                 G4double tmin,
76                                 G4double tmax);
77
78  //================================================================
79  //  Set parameters of multiple scattering models
80  //================================================================
81 
82  inline void SetStepLimitType(G4MscStepLimitType);
83
84  inline void SetLateralDisplasmentFlag(G4bool val);
85
86  inline void SetRangeFactor(G4double);
87
88  inline void SetGeomFactor(G4double);
89
90  inline void SetSkin(G4double);
91
92  inline void SetSampleZ(G4bool);
93
94protected:
95
96  // initialisation of interface with geometry
97  void InitialiseSafetyHelper();
98
99  // shift point of the track PostStep
100  void ComputeDisplacement(G4ParticleChangeForMSC*, 
101                           const G4ThreeVector& displDir,
102                           G4double displacement,
103                           G4double postsafety);
104
105  // compute safety
106  inline G4double ComputeSafety(const G4ThreeVector& position, G4double limit);
107
108  // compute linear distance to a geometry boundary
109  inline G4double ComputeGeomLimit(const G4Track& position, G4double& presafety, 
110                                   G4double limit);
111
112private:
113
114  //  hide assignment operator
115  G4VMscModel & operator=(const  G4VMscModel &right);
116  G4VMscModel(const  G4VMscModel&);
117
118  G4SafetyHelper* safetyHelper;
119
120protected:
121
122  G4double facrange;
123  G4double facgeom;
124  G4double facsafety;
125  G4double skin;
126  G4double dtrl;
127  G4double lambdalimit;
128  G4double geommax;
129
130  G4MscStepLimitType steppingAlgorithm;
131
132  G4bool   samplez;
133  G4bool   latDisplasment;
134
135};
136
137//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
139
140inline void G4VMscModel::SetLateralDisplasmentFlag(G4bool val)
141{
142  latDisplasment = val;
143}
144
145//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
146
147inline void G4VMscModel::SetSkin(G4double val)
148{
149  skin = val;
150}
151
152//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153
154inline void G4VMscModel::SetRangeFactor(G4double val)
155{
156  facrange = val;
157}
158
159//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
160
161inline void G4VMscModel::SetGeomFactor(G4double val)
162{
163  facgeom = val;
164}
165
166//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
167
168inline void G4VMscModel::SetStepLimitType(G4MscStepLimitType val)
169{
170  steppingAlgorithm = val;
171}
172
173//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
174
175inline void G4VMscModel::SetSampleZ(G4bool val)
176{
177  samplez = val;
178}
179
180//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
181
182inline G4double G4VMscModel::ComputeSafety(const G4ThreeVector& position, 
183                                           G4double)
184{
185  return safetyHelper->ComputeSafety(position);
186}
187
188//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
189
190inline G4double G4VMscModel::ComputeGeomLimit(const G4Track& track, 
191                                              G4double& presafety, 
192                                              G4double limit)
193{
194  G4double res = geommax;
195  if(track.GetVolume() != safetyHelper->GetWorldVolume()) {
196    res = safetyHelper->CheckNextStep(
197          track.GetStep()->GetPreStepPoint()->GetPosition(),
198          track.GetMomentumDirection(),
199          limit, presafety);
200  }
201  return res;
202}
203
204//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
205
206#endif
207
Note: See TracBrowser for help on using the repository browser.