| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
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12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 // This example is provided by the Geant4-DNA
27 // Any report or published results obtained us
28 // shall cite the following Geant4-DNA collabo
29 // Med. Phys. 37 (2010) 4692-4708
30 // The Geant4-DNA web site is available at htt
31 //
32 /// \file SplitProcess.cc
33 /// \brief Implementation of the variance redu
34
35 //....oooOO0OOooo........oooOO0OOooo........oo
36
37 #include "SplitProcess.hh"
38
39 #include "UserTrackInformation.hh"
40
41 #include "G4LogicalVolume.hh"
42 #include "G4Region.hh"
43 #include "G4RegionStore.hh"
44 #include "G4TouchableHandle.hh"
45 #include "G4Track.hh"
46 #include "G4VParticleChange.hh"
47
48 #include <vector>
49
50 //....oooOO0OOooo........oooOO0OOooo........oo
51
52 SplitProcess::SplitProcess(G4String regName, G
53 {
54 fRegion = G4RegionStore::GetInstance()->Find
55 }
56
57 //....oooOO0OOooo........oooOO0OOooo........oo
58
59 SplitProcess::~SplitProcess() {}
60
61 //....oooOO0OOooo........oooOO0OOooo........oo
62
63 G4VParticleChange* SplitProcess::PostStepDoIt(
64 {
65 G4VParticleChange* particleChange(0);
66
67 if (step.GetPreStepPoint()->GetTouchableHand
68 != fRegion)
69 {
70 particleChange = pRegProcess->PostStepDoIt
71 assert(0 != particleChange);
72 return particleChange;
73 }
74
75 if (fNSplit == 1) {
76 particleChange = pRegProcess->PostStepDoIt
77 assert(0 != particleChange);
78 return particleChange;
79 }
80
81 UserTrackInformation* parentInformation =
82 (UserTrackInformation*)(step.GetTrack()->G
83 G4int initialSplitTrackID = parentInformatio
84
85 if (initialSplitTrackID > 1) {
86 particleChange = pRegProcess->PostStepDoIt
87 assert(0 != particleChange);
88 return particleChange;
89 }
90
91 G4double weight = track.GetWeight() / fNSpli
92 G4int splitTrackID = 3;
93
94 std::vector<G4Track*> secondaries;
95 std::vector<G4int> vSplitTrack;
96
97 for (int i = 0; i < fNSplit; i++) {
98 particleChange = pRegProcess->PostStepDoIt
99 assert(0 != particleChange);
100 particleChange->SetVerboseLevel(0);
101 G4Track* newTrack = new G4Track(*(particle
102
103 secondaries.push_back(newTrack);
104 vSplitTrack.push_back(splitTrackID);
105
106 splitTrackID++;
107 }
108
109 parentInformation->SetSplitTrackID(2);
110
111 particleChange->SetNumberOfSecondaries(secon
112 particleChange->SetSecondaryWeightByProcess(
113
114 std::vector<G4Track*>::iterator iter = secon
115 G4int i = 0;
116 while (iter != secondaries.end()) {
117 G4Track* newTrack = *iter;
118 newTrack->SetWeight(weight);
119
120 UserTrackInformation* secondaryInformation
121 secondaryInformation->SetSplitTrackID(vSpl
122 newTrack->SetUserInformation(secondaryInfo
123
124 particleChange->AddSecondary(newTrack);
125
126 iter++;
127 i++;
128 }
129
130 return particleChange;
131 }
132
133 //....oooOO0OOooo........oooOO0OOooo........oo
134