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G4ParticleChangeForMSC.cc
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27 // $Id: G4ParticleChangeForMSC.cc 68795 2013-04-05 13:24:46Z gcosmo $
28 //
29 //
30 // --------------------------------------------------------------
31 // GEANT 4 class implementation file
32 //
33 //
34 //
35 // ------------------------------------------------------------
36 // Implemented for the new scheme 23 Mar. 1998 H.Kurahige
37 // Update for model variant of msc 16 Jan 2004 V.Ivanchenko
38 // --------------------------------------------------------------
39 
41 #include "G4SystemOfUnits.hh"
42 #include "G4Track.hh"
43 #include "G4Step.hh"
44 #include "G4DynamicParticle.hh"
45 #include "G4ExceptionSeverity.hh"
46 
49 {
50 #ifdef G4VERBOSE
51  if (verboseLevel>2) {
52  G4cout << "G4ParticleChangeForMSC::G4ParticleChangeForMSC() " << G4endl;
53  }
54 #endif
55 }
56 
58 {
59 #ifdef G4VERBOSE
60  if (verboseLevel>2) {
61  G4cout << "G4ParticleChangeForMSC::~G4ParticleChangeForMSC() " << G4endl;
62  }
63 #endif
64 }
65 
68  : G4VParticleChange(right)
69 {
70  if (verboseLevel>1) {
71  G4cout << "G4ParticleChangeForMSC:: copy constructor is called " << G4endl;
72  }
74  thePosition = right.thePosition;
75 }
76 
77 // assignment operator
80 {
81  if (verboseLevel>1) {
82  G4cout << "G4ParticleChangeForMSC:: assignment operator is called " << G4endl;
83  }
84  if (this != &right)
85  {
93 
95  thePosition = right.thePosition;
96  }
97  return *this;
98 }
99 
100 //----------------------------------------------------------------
101 // methods for updating G4Step
102 //
103 
105 {
106  // Update the G4Step specific attributes
109 
110  // Multiple scattering calculates the final state of the particle
111  G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
112 
113  // update momentum direction
115 
116  // update position
117  pPostStepPoint->SetPosition( thePosition );
118  return pStep;
119 }
120 
122 {
123  // Multiple scattering calculates the final state of the particle
124  G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
125 
126  // update momentum direction
128 
129  // update position
130  pPostStepPoint->SetPosition( thePosition );
131 
132  // Update the G4Step specific attributes
133  return pStep;
134 }
135 
136 
137 //----------------------------------------------------------------
138 // methods for printing messages
139 //
140 
142 {
143 // use base-class DumpInfo
145 
146  G4int oldprc = G4cout.precision(3);
147  G4cout << " Position - x (mm) : "
148  << std::setw(20) << thePosition.x()/mm
149  << G4endl;
150  G4cout << " Position - y (mm) : "
151  << std::setw(20) << thePosition.y()/mm
152  << G4endl;
153  G4cout << " Position - z (mm) : "
154  << std::setw(20) << thePosition.z()/mm
155  << G4endl;
156  G4cout << " Momentum Direct - x : "
157  << std::setw(20) << theMomentumDirection.x()
158  << G4endl;
159  G4cout << " Momentum Direct - y : "
160  << std::setw(20) << theMomentumDirection.y()
161  << G4endl;
162  G4cout << " Momentum Direct - z : "
163  << std::setw(20) << theMomentumDirection.z()
164  << G4endl;
165  G4cout.precision(oldprc);
166 }
167 
168 
170 {
171  G4bool itsOK = true;
172  G4bool exitWithError = false;
173 
174  G4double accuracy;
175 
176  // check
177 
178  // MomentumDirection should be unit vector
179  accuracy = std::fabs(theMomentumDirection.mag2()-1.0);
180  if (accuracy > accuracyForWarning) {
181  itsOK = false;
182  exitWithError = (accuracy > accuracyForException);
183 #ifdef G4VERBOSE
184  G4cout << " G4ParticleChangeForMSC::CheckIt : ";
185  G4cout << "the Momentum Change is not unit vector !!"
186  << " Difference: " << accuracy << G4endl;
187  G4cout << aTrack.GetDefinition()->GetParticleName()
188  << " E=" << aTrack.GetKineticEnergy()/MeV
189  << " pos=" << aTrack.GetPosition().x()/m
190  << ", " << aTrack.GetPosition().y()/m
191  << ", " << aTrack.GetPosition().z()/m
192  <<G4endl;
193 #endif
194  }
195 
196  // dump out information of this particle change
197 #ifdef G4VERBOSE
198  if (!itsOK) DumpInfo();
199 #endif
200 
201  // Exit with error
202  if (exitWithError) {
203  G4Exception("G4ParticleChangeForMSC::CheckIt",
204  "300",
206  "momentum direction was illegal");
207  }
208  //correction
209  if (!itsOK) {
212  }
213 
214  itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack);
215  return itsOK;
216 }
217 
218 
219 
220 
G4double GetKineticEnergy() const
G4ParticleChangeForMSC & operator=(const G4ParticleChangeForMSC &right)
void SetStepLength(G4double value)
static const G4double accuracyForWarning
G4TrackFastVector * theListOfSecondaries
static constexpr double MeV
Definition: G4SIunits.hh:214
static constexpr double mm
Definition: G4SIunits.hh:115
virtual G4bool CheckIt(const G4Track &)
#define G4endl
Definition: G4ios.hh:61
const G4String & GetParticleName() const
virtual G4Step * UpdateStepForAlongStep(G4Step *Step)
void SetMomentumDirection(const G4ThreeVector &aValue)
virtual G4bool CheckIt(const G4Track &)
double z() const
G4SteppingControl theSteppingControlFlag
G4ParticleDefinition * GetDefinition() const
virtual G4Step * UpdateStepForPostStep(G4Step *Step)
static constexpr double m
Definition: G4SIunits.hh:129
double G4double
Definition: G4Types.hh:76
bool G4bool
Definition: G4Types.hh:79
G4TrackStatus theStatusChange
virtual void DumpInfo() const
G4Track * GetTrack() const
const G4ThreeVector & GetPosition() const
double mag2() const
Definition: G4Step.hh:76
G4StepPoint * GetPostStepPoint() const
virtual void DumpInfo() const
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *description)
Definition: G4Exception.hh:65
double mag() const
static const G4double accuracyForException
int G4int
Definition: G4Types.hh:78
G4GLOB_DLL std::ostream G4cout
double x() const
void SetPosition(const G4ThreeVector &aValue)
double y() const
G4TrackStatus GetTrackStatus() const