source: trunk/source/processes/electromagnetic/standard/src/G4eMultipleScattering.cc @ 968

Last change on this file since 968 was 968, checked in by garnier, 15 years ago

fichier ajoutes
File size: 4.8 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: G4eMultipleScattering.cc,v 1.7 2008/10/23 17:55:20 vnivanch Exp $
27// GEANT4 tag $Name: geant4-09-02-ref-02 $
28//
29// -----------------------------------------------------------------------------
30//
31// GEANT4 Class file
32//
33// File name:     G4eMultipleScattering
34//
35// Author:        Vladimir Ivanchenko
36//
37// Creation date: 10 March 2008
38//
39// Modifications:
40//
41// -----------------------------------------------------------------------------
42//
43//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45
46#include "G4eMultipleScattering.hh"
47#include "G4UrbanMscModel2.hh"
48#include "G4MscStepLimitType.hh"
49#include "G4Electron.hh"
50#include "G4Positron.hh"
51
52//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53
54using namespace std;
55
56G4eMultipleScattering::G4eMultipleScattering(const G4String& processName)
57  : G4VMultipleScattering(processName)
58{
59  isInitialized = false; 
60  SetRangeFactor(0.04);
61}
62
63//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64
65G4eMultipleScattering::~G4eMultipleScattering()
66{}
67
68//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69
70G4bool G4eMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
71{
72  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
73  //  return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
74}
75
76//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77
78void G4eMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p)
79{
80  // Modification of parameters between runs
81  if(isInitialized) {
82    if (p->GetParticleType() != "nucleus") {
83      mscUrban->SetStepLimitType(StepLimitType());
84      mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
85      mscUrban->SetSkin(Skin());
86      mscUrban->SetRangeFactor(RangeFactor());
87      mscUrban->SetGeomFactor(GeomFactor());
88    }
89    return;
90  }
91
92  // defaults for ions, which cannot be overwritten
93  if (p->GetParticleType() == "nucleus") {
94    SetStepLimitType(fMinimal);
95    SetLateralDisplasmentFlag(false);
96    SetBuildLambdaTable(false);
97  }
98
99  // initialisation of parameters - defaults for particles other
100  // than ions can be overwritten by users
101  mscUrban = new G4UrbanMscModel2();
102  mscUrban->SetStepLimitType(StepLimitType());
103  mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
104  mscUrban->SetSkin(Skin());
105  mscUrban->SetRangeFactor(RangeFactor());
106  mscUrban->SetGeomFactor(GeomFactor());
107
108  AddEmModel(1,mscUrban);
109  isInitialized = true;
110  /*
111  G4cout << "G4eMultipleScattering::InitialiseProcess for "
112         << p->GetParticleName()
113         << " skin= " << Skin()
114         << " SA= " << steppingAlgorithm
115         << G4endl;
116  */
117}
118
119//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
120
121void G4eMultipleScattering::PrintInfo()
122{
123  G4cout << "      RangeFactor= " << RangeFactor()
124         << ", step limit type: " << StepLimitType()
125         << ", lateralDisplacement: " << LateralDisplasmentFlag()
126         << ", skin= " << Skin() 
127         << ", geomFactor= " << GeomFactor() 
128         << G4endl;
129}
130
131//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
132
Note: See TracBrowser for help on using the repository browser.