| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4ParticleChangeForTransport class implemen <<
27 // 26 //
28 // Author: Hisaya Kurashige, 10 May 1998 << 27 // $Id: G4ParticleChangeForTransport.cc,v 1.18 2006/06/29 21:15:11 gunter Exp $
29 // ------------------------------------------- << 28 // GEANT4 tag $Name: geant4-08-01-patch-01 $
>> 29 //
>> 30 //
>> 31 // --------------------------------------------------------------
>> 32 // GEANT 4 class implementation file
>> 33 //
>> 34 //
>> 35 //
>> 36 // ------------------------------------------------------------
>> 37 // Implemented for the new scheme 10 May. 1998 H.Kurahige
>> 38 // Correct tratment of fpNextTouchable 12 May. 1998 H.Kurashige
>> 39 // Change to the next volume only if energy>0 19 Jan. 2004 V.Ivanchenko
>> 40 // --------------------------------------------------------------
30 41
31 #include "G4ParticleChangeForTransport.hh" 42 #include "G4ParticleChangeForTransport.hh"
32 #include "G4TouchableHandle.hh" 43 #include "G4TouchableHandle.hh"
33 #include "G4Track.hh" 44 #include "G4Track.hh"
34 #include "G4Step.hh" 45 #include "G4Step.hh"
35 #include "G4TrackFastVector.hh" 46 #include "G4TrackFastVector.hh"
36 #include "G4DynamicParticle.hh" 47 #include "G4DynamicParticle.hh"
37 48
38 // ------------------------------------------- << 49 G4ParticleChangeForTransport::G4ParticleChangeForTransport():G4ParticleChange()
39 G4ParticleChangeForTransport::G4ParticleChange << 50 {
>> 51 if (verboseLevel>2) {
>> 52 G4cout << "G4ParticleChangeForTransport::G4ParticleChangeForTransport() " << G4endl;
>> 53 }
>> 54 }
>> 55
>> 56 G4ParticleChangeForTransport::~G4ParticleChangeForTransport()
>> 57 {
>> 58 if (verboseLevel>2) {
>> 59 G4cout << "G4ParticleChangeForTransport::~G4ParticleChangeForTransport() " << G4endl;
>> 60 }
>> 61 }
>> 62
>> 63
>> 64 G4ParticleChangeForTransport::G4ParticleChangeForTransport(const G4ParticleChangeForTransport &right):G4ParticleChange(right)
>> 65 {
>> 66 if (verboseLevel>0) {
>> 67 G4cout << "G4ParticleChangeForTransport:: copy constructor is called " << G4endl;
>> 68 }
>> 69 theTouchableHandle = right.theTouchableHandle;
>> 70 }
>> 71
>> 72 // assignemnt operator
>> 73 G4ParticleChangeForTransport & G4ParticleChangeForTransport::operator=(const G4ParticleChangeForTransport &right)
40 { 74 {
41 // Disable flag that is enabled in G4VPartic << 75 if (verboseLevel>1) {
42 debugFlag = false; << 76 G4cout << "G4ParticleChangeForTransport:: assignment operator is called " << G4endl;
>> 77 }
>> 78 if (this != &right)
>> 79 {
>> 80 theListOfSecondaries = right.theListOfSecondaries;
>> 81 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 82 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 83 theStatusChange = right.theStatusChange;
>> 84 theTouchableHandle = right.theTouchableHandle;
>> 85 theMaterialChange = right.theMaterialChange;
>> 86 theMaterialCutsCoupleChange = right.theMaterialCutsCoupleChange;
>> 87 theSensitiveDetectorChange = right.theSensitiveDetectorChange;
>> 88 theMomentumDirectionChange = right.theMomentumDirectionChange;
>> 89 thePolarizationChange = right.thePolarizationChange;
>> 90 thePositionChange = right.thePositionChange;
>> 91 theTimeChange = right.theTimeChange;
>> 92 theEnergyChange = right.theEnergyChange;
>> 93 theTrueStepLength = right.theTrueStepLength;
>> 94 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 95 theSteppingControlFlag = right.theSteppingControlFlag;
>> 96 }
>> 97 return *this;
43 } 98 }
44 99
45 // ------------------------------------------- << 100 //----------------------------------------------------------------
>> 101 // methods for updating G4Step
>> 102 //
>> 103
46 G4Step* G4ParticleChangeForTransport::UpdateSt 104 G4Step* G4ParticleChangeForTransport::UpdateStepForAtRest(G4Step* pStep)
47 { 105 {
48 // Update the G4Step specific attributes << 106 // Nothing happens for AtRestDoIt
>> 107 if (verboseLevel>0) {
>> 108 G4cout << "G4ParticleChangeForTransport::UpdateStepForAtRest() is called" << G4endl;
>> 109 G4cout << " Nothing happens for this method " << G4endl;
>> 110 }
>> 111 // Update the G4Step specific attributes
49 return UpdateStepInfo(pStep); 112 return UpdateStepInfo(pStep);
50 } 113 }
51 114
52 // ------------------------------------------- << 115
53 G4Step* G4ParticleChangeForTransport::UpdateSt 116 G4Step* G4ParticleChangeForTransport::UpdateStepForAlongStep(G4Step* pStep)
54 { 117 {
55 // Smooth curved tajectory representation: l 118 // Smooth curved tajectory representation: let the Step know about
56 // the auxiliary trajectory points (jacek 30 119 // the auxiliary trajectory points (jacek 30/10/2002)
57 pStep->SetPointerToVectorOfAuxiliaryPoints(f 120 pStep->SetPointerToVectorOfAuxiliaryPoints(fpVectorOfAuxiliaryPointsPointer);
58 121
59 // Most of the code assumes that transportat << 122 // copy of G4ParticleChange::UpdateStepForAlongStep
60 // so the pre- and post-step point are still << 123 // i.e. no effect for touchable
>> 124
>> 125 // A physics process always calculates the final state of the
>> 126 // particle relative to the initial state at the beginning
>> 127 // of the Step, i.e., based on information of G4Track (or
>> 128 // equivalently the PreStepPoint).
>> 129 // So, the differences (delta) between these two states have to be
>> 130 // calculated and be accumulated in PostStepPoint.
>> 131
>> 132 // Take note that the return type of GetMomentumChange is a
>> 133 // pointer to G4ThreeVector. Also it is a normalized
>> 134 // momentum vector.
>> 135
61 G4StepPoint* pPreStepPoint = pStep->GetPreS 136 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
62 G4StepPoint* pPostStepPoint = pStep->GetPost 137 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 138 G4Track* aTrack = pStep->GetTrack();
>> 139 G4double mass = aTrack->GetDynamicParticle()->GetMass();
>> 140
>> 141 // uodate kinetic energy
>> 142 // now assume that no energy change in transportation
>> 143 // However it is not true in electric fields
>> 144 // Case for changing energy will be implemented in future
>> 145
63 146
64 // update momentum direction and energy 147 // update momentum direction and energy
65 if(isMomentumChanged) << 148 if (isMomentumChanged) {
66 { << 149 G4double energy;
67 pPostStepPoint->SetMomentumDirection(theMo << 150 energy= pPostStepPoint->GetKineticEnergy()
68 pPostStepPoint->SetKineticEnergy(theEnergy << 151 + (theEnergyChange - pPreStepPoint->GetKineticEnergy());
>> 152
>> 153 // calculate new momentum
>> 154 G4ThreeVector pMomentum = pPostStepPoint->GetMomentum()
>> 155 + ( CalcMomentum(theEnergyChange, theMomentumDirectionChange, mass)
>> 156 - pPreStepPoint->GetMomentum());
>> 157 G4double tMomentum = pMomentum.mag();
>> 158 G4ThreeVector direction(1.0,0.0,0.0);
>> 159 if( tMomentum > 0. ){
>> 160 G4double inv_Momentum= 1.0 / tMomentum;
>> 161 direction= pMomentum * inv_Momentum;
>> 162 }
>> 163 pPostStepPoint->SetMomentumDirection(direction);
>> 164 pPostStepPoint->SetKineticEnergy( energy );
69 } 165 }
70 if(isVelocityChanged) << 166
71 pPostStepPoint->SetVelocity(theVelocityCha << 167 // stop case should not occur
>> 168 //pPostStepPoint->SetMomentumDirection(G4ThreeVector(1., 0., 0.));
>> 169
72 170
73 // update polarization 171 // update polarization
74 pPostStepPoint->SetPolarization(thePolarizat << 172 pPostStepPoint->AddPolarization( thePolarizationChange
>> 173 - pPreStepPoint->GetPolarization());
75 174
76 // update position and time 175 // update position and time
77 pPostStepPoint->SetPosition(thePositionChang << 176 pPostStepPoint->AddPosition( thePositionChange
78 pPostStepPoint->AddGlobalTime(theTimeChange << 177 - pPreStepPoint->GetPosition() );
79 pPostStepPoint->AddLocalTime(theTimeChange - << 178 pPostStepPoint->AddGlobalTime( theTimeChange
80 pPostStepPoint->SetProperTime(theProperTimeC << 179 - pPreStepPoint->GetGlobalTime());
>> 180 pPostStepPoint->AddLocalTime( theTimeChange
>> 181 - pPreStepPoint->GetGlobalTime());
>> 182 pPostStepPoint->AddProperTime( theProperTimeChange
>> 183 - pPreStepPoint->GetProperTime());
81 184
82 #ifdef G4VERBOSE 185 #ifdef G4VERBOSE
83 if(debugFlag) { CheckIt(*theCurrentTrack); } << 186 if (debugFlag) CheckIt(*aTrack);
84 #endif 187 #endif
85 188
86 // Update the G4Step specific attributes << 189 // Update the G4Step specific attributes
87 pStep->SetStepLength( theTrueStepLength ); << 190 //pStep->SetStepLength( theTrueStepLength );
88 pStep->SetControlFlag(theSteppingControlFlag << 191 // pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
89 << 192 pStep->SetControlFlag( theSteppingControlFlag );
90 return pStep; 193 return pStep;
>> 194 // return UpdateStepInfo(pStep);
91 } 195 }
92 196
93 // ------------------------------------------- <<
94 G4Step* G4ParticleChangeForTransport::UpdateSt 197 G4Step* G4ParticleChangeForTransport::UpdateStepForPostStep(G4Step* pStep)
95 { 198 {
96 // A physics process always calculates the f 199 // A physics process always calculates the final state of the particle
97 200
98 // Change volume only if some kinetic energy << 201 // Change volume if any kinetic energy remanes
99 G4StepPoint* pPostStepPoint = pStep->GetPost 202 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
100 if(pPostStepPoint->GetKineticEnergy() > 0.0) << 203 if(pPostStepPoint->GetKineticEnergy() > 0.0) {
101 { << 204
102 // update next touchable 205 // update next touchable
103 // (touchable can be changed only at PostS 206 // (touchable can be changed only at PostStepDoIt)
104 pPostStepPoint->SetTouchableHandle(theTouc << 207 pPostStepPoint->SetTouchableHandle( theTouchableHandle );
105 208
106 pPostStepPoint->SetMaterial(theMaterialCha << 209 pPostStepPoint->SetMaterial( theMaterialChange );
107 pPostStepPoint->SetMaterialCutsCouple(theM << 210 pPostStepPoint->SetMaterialCutsCouple( theMaterialCutsCoupleChange );
108 pPostStepPoint->SetSensitiveDetector(theSe << 211 pPostStepPoint->SetSensitiveDetector( theSensitiveDetectorChange );
109 } <<
110 if(this->GetFirstStepInVolume()) <<
111 { <<
112 pStep->SetFirstStepFlag(); <<
113 } <<
114 else <<
115 { <<
116 pStep->ClearFirstStepFlag(); <<
117 } <<
118 if(this->GetLastStepInVolume()) <<
119 { <<
120 pStep->SetLastStepFlag(); <<
121 } <<
122 else <<
123 { <<
124 pStep->ClearLastStepFlag(); <<
125 } 212 }
126 // It used to call base class's method 213 // It used to call base class's method
127 // - but this would copy uninitialised dat 214 // - but this would copy uninitialised data members
128 // return G4ParticleChange::UpdateStepForPos 215 // return G4ParticleChange::UpdateStepForPostStep(pStep);
129 216
130 // Copying what the base class does would in 217 // Copying what the base class does would instead
131 // - also not useful 218 // - also not useful
132 // return G4VParticleChange::UpdateStepInfo( 219 // return G4VParticleChange::UpdateStepInfo(pStep);
133 220
134 return pStep; 221 return pStep;
135 } 222 }
136 223
137 // ------------------------------------------- << 224 //----------------------------------------------------------------
>> 225 // methods for printing messages
>> 226 //
>> 227
138 void G4ParticleChangeForTransport::DumpInfo() 228 void G4ParticleChangeForTransport::DumpInfo() const
139 { 229 {
140 // use base-class DumpInfo << 230 // use base-class DumpInfo
141 G4ParticleChange::DumpInfo(); 231 G4ParticleChange::DumpInfo();
142 G4cout << " Touchable (pointer) : " < << 232
143 << theTouchableHandle() << G4endl; << 233 G4cout.precision(3);
>> 234 G4cout << " Touchable (pointer) : "
>> 235 << std::setw(20) << theTouchableHandle()
>> 236 << G4endl;
144 } 237 }
>> 238
>> 239
>> 240
>> 241
>> 242
>> 243
>> 244
>> 245
145 246