| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // G4ParticleChangeForTransport class implemen <<
27 // 23 //
28 // Author: Hisaya Kurashige, 10 May 1998 << 24 // $Id: G4ParticleChangeForTransport.cc,v 1.16 2004/01/20 15:29:41 vnivanch Exp $
29 // ------------------------------------------- << 25 // GEANT4 tag $Name: geant4-06-01 $
>> 26 //
>> 27 //
>> 28 // --------------------------------------------------------------
>> 29 // GEANT 4 class implementation file
>> 30 //
>> 31 //
>> 32 //
>> 33 // ------------------------------------------------------------
>> 34 // Implemented for the new scheme 10 May. 1998 H.Kurahige
>> 35 // Correct tratment of fpNextTouchable 12 May. 1998 H.Kurashige
>> 36 // Change to the next volume only if energy>0 19 Jan. 2004 V.Ivanchenko
>> 37 // --------------------------------------------------------------
30 38
31 #include "G4ParticleChangeForTransport.hh" 39 #include "G4ParticleChangeForTransport.hh"
32 #include "G4TouchableHandle.hh" 40 #include "G4TouchableHandle.hh"
33 #include "G4Track.hh" 41 #include "G4Track.hh"
34 #include "G4Step.hh" 42 #include "G4Step.hh"
35 #include "G4TrackFastVector.hh" 43 #include "G4TrackFastVector.hh"
36 #include "G4DynamicParticle.hh" 44 #include "G4DynamicParticle.hh"
37 45
38 // ------------------------------------------- << 46 G4ParticleChangeForTransport::G4ParticleChangeForTransport():G4ParticleChange()
39 G4ParticleChangeForTransport::G4ParticleChange << 47 {
>> 48 if (verboseLevel>2) {
>> 49 G4cout << "G4ParticleChangeForTransport::G4ParticleChangeForTransport() " << G4endl;
>> 50 }
>> 51 }
>> 52
>> 53 G4ParticleChangeForTransport::~G4ParticleChangeForTransport()
>> 54 {
>> 55 if (verboseLevel>2) {
>> 56 G4cout << "G4ParticleChangeForTransport::~G4ParticleChangeForTransport() " << G4endl;
>> 57 }
>> 58 }
>> 59
>> 60
>> 61 G4ParticleChangeForTransport::G4ParticleChangeForTransport(const G4ParticleChangeForTransport &right):G4ParticleChange(right)
>> 62 {
>> 63 if (verboseLevel>0) {
>> 64 G4cout << "G4ParticleChangeForTransport:: copy constructor is called " << G4endl;
>> 65 }
>> 66 theTouchableHandle = right.theTouchableHandle;
>> 67 }
>> 68
>> 69 // assignemnt operator
>> 70 G4ParticleChangeForTransport & G4ParticleChangeForTransport::operator=(const G4ParticleChangeForTransport &right)
40 { 71 {
41 // Disable flag that is enabled in G4VPartic << 72 if (verboseLevel>1) {
42 debugFlag = false; << 73 G4cout << "G4ParticleChangeForTransport:: assignment operator is called " << G4endl;
>> 74 }
>> 75 if (this != &right)
>> 76 {
>> 77 theListOfSecondaries = right.theListOfSecondaries;
>> 78 theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries;
>> 79 theNumberOfSecondaries = right.theNumberOfSecondaries;
>> 80 theStatusChange = right.theStatusChange;
>> 81 theTouchableHandle = right.theTouchableHandle;
>> 82 theMaterialChange = right.theMaterialChange;
>> 83 theMaterialCutsCoupleChange = right.theMaterialCutsCoupleChange;
>> 84 theMomentumDirectionChange = right.theMomentumDirectionChange;
>> 85 thePolarizationChange = right.thePolarizationChange;
>> 86 thePositionChange = right.thePositionChange;
>> 87 theTimeChange = right.theTimeChange;
>> 88 theEnergyChange = right.theEnergyChange;
>> 89 theTrueStepLength = right.theTrueStepLength;
>> 90 theLocalEnergyDeposit = right.theLocalEnergyDeposit;
>> 91 theSteppingControlFlag = right.theSteppingControlFlag;
>> 92 }
>> 93 return *this;
43 } 94 }
44 95
45 // ------------------------------------------- << 96 //----------------------------------------------------------------
>> 97 // methods for updating G4Step
>> 98 //
>> 99
46 G4Step* G4ParticleChangeForTransport::UpdateSt 100 G4Step* G4ParticleChangeForTransport::UpdateStepForAtRest(G4Step* pStep)
47 { 101 {
48 // Update the G4Step specific attributes << 102 // Nothing happens for AtRestDoIt
>> 103 if (verboseLevel>0) {
>> 104 G4cout << "G4ParticleChangeForTransport::UpdateStepForAtRest() is called" << G4endl;
>> 105 G4cout << " Nothing happens for this method " << G4endl;
>> 106 }
>> 107 // Update the G4Step specific attributes
49 return UpdateStepInfo(pStep); 108 return UpdateStepInfo(pStep);
50 } 109 }
51 110
52 // ------------------------------------------- << 111
53 G4Step* G4ParticleChangeForTransport::UpdateSt 112 G4Step* G4ParticleChangeForTransport::UpdateStepForAlongStep(G4Step* pStep)
54 { 113 {
55 // Smooth curved tajectory representation: l 114 // Smooth curved tajectory representation: let the Step know about
56 // the auxiliary trajectory points (jacek 30 115 // the auxiliary trajectory points (jacek 30/10/2002)
57 pStep->SetPointerToVectorOfAuxiliaryPoints(f 116 pStep->SetPointerToVectorOfAuxiliaryPoints(fpVectorOfAuxiliaryPointsPointer);
58 117
59 // Most of the code assumes that transportat << 118 // copy of G4ParticleChange::UpdateStepForAlongStep
60 // so the pre- and post-step point are still << 119 // i.e. no effect for touchable
>> 120
>> 121 // A physics process always calculates the final state of the
>> 122 // particle relative to the initial state at the beginning
>> 123 // of the Step, i.e., based on information of G4Track (or
>> 124 // equivalently the PreStepPoint).
>> 125 // So, the differences (delta) between these two states have to be
>> 126 // calculated and be accumulated in PostStepPoint.
>> 127
>> 128 // Take note that the return type of GetMomentumChange is a
>> 129 // pointer to G4ThreeVector. Also it is a normalized
>> 130 // momentum vector.
>> 131
61 G4StepPoint* pPreStepPoint = pStep->GetPreS 132 G4StepPoint* pPreStepPoint = pStep->GetPreStepPoint();
62 G4StepPoint* pPostStepPoint = pStep->GetPost 133 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
>> 134 G4Track* aTrack = pStep->GetTrack();
>> 135 G4double mass = aTrack->GetDynamicParticle()->GetMass();
>> 136
>> 137 // uodate kinetic energy
>> 138 // now assume that no energy change in transportation
>> 139 // However it is not true in electric fields
>> 140 // Case for changing energy will be implemented in future
>> 141
63 142
64 // update momentum direction and energy 143 // update momentum direction and energy
65 if(isMomentumChanged) << 144 if (isMomentumChanged) {
66 { << 145 G4double energy;
67 pPostStepPoint->SetMomentumDirection(theMo << 146 energy= pPostStepPoint->GetKineticEnergy()
68 pPostStepPoint->SetKineticEnergy(theEnergy << 147 + (theEnergyChange - pPreStepPoint->GetKineticEnergy());
>> 148
>> 149 // calculate new momentum
>> 150 G4ThreeVector pMomentum = pPostStepPoint->GetMomentum()
>> 151 + ( CalcMomentum(theEnergyChange, theMomentumDirectionChange, mass)
>> 152 - pPreStepPoint->GetMomentum());
>> 153 G4double tMomentum = pMomentum.mag();
>> 154 G4ThreeVector direction(1.0,0.0,0.0);
>> 155 if( tMomentum > 0. ){
>> 156 G4double inv_Momentum= 1.0 / tMomentum;
>> 157 direction= pMomentum * inv_Momentum;
>> 158 }
>> 159 pPostStepPoint->SetMomentumDirection(direction);
>> 160 pPostStepPoint->SetKineticEnergy( energy );
69 } 161 }
70 if(isVelocityChanged) << 162
71 pPostStepPoint->SetVelocity(theVelocityCha << 163 // stop case should not occur
>> 164 //pPostStepPoint->SetMomentumDirection(G4ThreeVector(1., 0., 0.));
>> 165
72 166
73 // update polarization 167 // update polarization
74 pPostStepPoint->SetPolarization(thePolarizat << 168 pPostStepPoint->AddPolarization( thePolarizationChange
>> 169 - pPreStepPoint->GetPolarization());
75 170
76 // update position and time 171 // update position and time
77 pPostStepPoint->SetPosition(thePositionChang << 172 pPostStepPoint->AddPosition( thePositionChange
78 pPostStepPoint->AddGlobalTime(theTimeChange << 173 - pPreStepPoint->GetPosition() );
79 pPostStepPoint->AddLocalTime(theTimeChange - << 174 pPostStepPoint->AddGlobalTime( theTimeChange
80 pPostStepPoint->SetProperTime(theProperTimeC << 175 - pPreStepPoint->GetGlobalTime());
>> 176 pPostStepPoint->AddLocalTime( theTimeChange
>> 177 - pPreStepPoint->GetGlobalTime());
>> 178 pPostStepPoint->AddProperTime( theProperTimeChange
>> 179 - pPreStepPoint->GetProperTime());
81 180
82 #ifdef G4VERBOSE 181 #ifdef G4VERBOSE
83 if(debugFlag) { CheckIt(*theCurrentTrack); } << 182 if (debugFlag) CheckIt(*aTrack);
84 #endif 183 #endif
85 184
86 // Update the G4Step specific attributes << 185 // Update the G4Step specific attributes
87 pStep->SetStepLength( theTrueStepLength ); << 186 //pStep->SetStepLength( theTrueStepLength );
88 pStep->SetControlFlag(theSteppingControlFlag << 187 // pStep->AddTotalEnergyDeposit( theLocalEnergyDeposit );
89 << 188 pStep->SetControlFlag( theSteppingControlFlag );
90 return pStep; 189 return pStep;
>> 190 // return UpdateStepInfo(pStep);
91 } 191 }
92 192
93 // ------------------------------------------- <<
94 G4Step* G4ParticleChangeForTransport::UpdateSt 193 G4Step* G4ParticleChangeForTransport::UpdateStepForPostStep(G4Step* pStep)
95 { 194 {
96 // A physics process always calculates the f 195 // A physics process always calculates the final state of the particle
97 196
98 // Change volume only if some kinetic energy << 197 // Change volume if any kinetic energy remanes
99 G4StepPoint* pPostStepPoint = pStep->GetPost 198 G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint();
100 if(pPostStepPoint->GetKineticEnergy() > 0.0) << 199 if(pPostStepPoint->GetKineticEnergy() > 0.0) {
101 { << 200
102 // update next touchable 201 // update next touchable
103 // (touchable can be changed only at PostS 202 // (touchable can be changed only at PostStepDoIt)
104 pPostStepPoint->SetTouchableHandle(theTouc << 203 pPostStepPoint->SetTouchableHandle( theTouchableHandle );
105 204
106 pPostStepPoint->SetMaterial(theMaterialCha << 205 pPostStepPoint->SetMaterial( theMaterialChange );
107 pPostStepPoint->SetMaterialCutsCouple(theM << 206 pPostStepPoint->SetMaterialCutsCouple( theMaterialCutsCoupleChange );
108 pPostStepPoint->SetSensitiveDetector(theSe <<
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 } 207 }
126 // It used to call base class's method 208 // It used to call base class's method
127 // - but this would copy uninitialised dat 209 // - but this would copy uninitialised data members
128 // return G4ParticleChange::UpdateStepForPos 210 // return G4ParticleChange::UpdateStepForPostStep(pStep);
129 211
130 // Copying what the base class does would in 212 // Copying what the base class does would instead
131 // - also not useful 213 // - also not useful
132 // return G4VParticleChange::UpdateStepInfo( 214 // return G4VParticleChange::UpdateStepInfo(pStep);
133 215
134 return pStep; 216 return pStep;
135 } 217 }
136 218
137 // ------------------------------------------- << 219 //----------------------------------------------------------------
>> 220 // methods for printing messages
>> 221 //
>> 222
138 void G4ParticleChangeForTransport::DumpInfo() 223 void G4ParticleChangeForTransport::DumpInfo() const
139 { 224 {
140 // use base-class DumpInfo << 225 // use base-class DumpInfo
141 G4ParticleChange::DumpInfo(); 226 G4ParticleChange::DumpInfo();
142 G4cout << " Touchable (pointer) : " < << 227
143 << theTouchableHandle() << G4endl; << 228 G4cout.precision(3);
>> 229 G4cout << " Touchable (pointer) : "
>> 230 << std::setw(20) << theTouchableHandle()
>> 231 << G4endl;
144 } 232 }
>> 233
>> 234
>> 235
>> 236
>> 237
>> 238
>> 239
>> 240
145 241