| Geant4 Cross Reference |
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 *
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12 // * institutes,nor the agencies providing financial support for this *
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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 *
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23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // This example is provided by the Geant4-DNA collaboration
27 // Any report or published results obtained using the Geant4-DNA software
28 // shall cite the following Geant4-DNA collaboration publication:
29 // Med. Phys. 37 (2010) 4692-4708
30 // Delage et al. PDB4DNA: implementation of DNA geometry from the Protein Data
31 // Bank (PDB) description for Geant4-DNA Monte-Carlo
32 // simulations (submitted to Comput. Phys. Commun.)
33 // The Geant4-DNA web site is available at http://geant4-dna.org
34 //
35 //
36 /// \file SteppingAction.cc
37 /// \brief Implementation of the SteppingAction class
38
39 #include "SteppingAction.hh"
40
41 #include "DetectorConstruction.hh"
42 #include "EventAction.hh"
43
44 #include "G4EventManager.hh"
45 #include "G4LogicalVolumeStore.hh"
46 #include "G4RunManager.hh"
47 #include "G4SteppingManager.hh"
48 #include "G4SystemOfUnits.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51
52 SteppingAction::SteppingAction()
53 : G4UserSteppingAction(), RunInitObserver(), fpEventAction(0), fpDetector(0)
54 {}
55
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57
58 SteppingAction::~SteppingAction() {}
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61
62 void SteppingAction::Initialize()
63 {
64 fpEventAction = (EventAction*)G4EventManager::GetEventManager()->GetUserEventAction();
65 fpDetector = (DetectorConstruction*)G4RunManager::GetRunManager()->GetUserDetectorConstruction();
66 }
67
68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69
70 void SteppingAction::UserSteppingAction(const G4Step* theStep)
71 {
72 if (theStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName() != "Transportation") {
73 // Get position and edep of current step
74 //
75 G4double x = theStep->GetPreStepPoint()->GetPosition().x() / nanometer;
76 G4double y = theStep->GetPreStepPoint()->GetPosition().y() / nanometer;
77 G4double z = theStep->GetPreStepPoint()->GetPosition().z() / nanometer;
78 G4double edepStep = theStep->GetTotalEnergyDeposit() / eV;
79
80 G4LogicalVolume* targetVolume = G4LogicalVolumeStore::GetInstance()->GetVolume("BoundingLV");
81 G4LogicalVolume* theVolume =
82 theStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume();
83
84 if ((edepStep > 0.) && (theVolume == targetVolume)) {
85 // Add edep to this event
86 //
87 fpEventAction->AddEdepEvent(edepStep);
88 if (fpDetector->GetBarycenterList() == NULL) {
89 G4cout << "Barycenter list is null!!!" << G4endl;
90 }
91 else {
92 CheckAndProcessDNAHit(x, y, z, edepStep);
93 }
94 }
95 }
96 }
97
98 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
99
100 G4bool SteppingAction::CheckAndProcessDNAHit(G4double x, G4double y, G4double z, G4double edepStep)
101 {
102 int numStrand = 0;
103 int numNucl = 0;
104 int intResidue = -1; // 0 for Phospat, 1 for Sugar, 2 for Base
105 unsigned short int hit =
106 (fpDetector->GetPDBlib())
107 .ComputeMatchEdepDNA(fpDetector->GetBarycenterList(), fpDetector->GetMoleculeList(), x * 10.,
108 y * 10., z * 10., // x10 => angstrom<->nm
109 numStrand, numNucl, intResidue);
110
111 if (hit == 1) {
112 if ((intResidue == 0) || (intResidue == 1)) // Edep in Phosphate or Sugar
113 {
114 fpEventAction->AddEdepToNucleotide(numStrand, numNucl, edepStep);
115 return true;
116 }
117 else {
118 return false;
119 }
120 }
121 else {
122 return false;
123 }
124 }
125