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25 //
26 // Hadrontherapy advanced example for Geant4
27 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
28
29 #include "HadrontherapyDetectorSD.hh"
30 #include "HadrontherapyDetectorHit.hh"
31 #include "G4Step.hh"
32 #include "G4VTouchable.hh"
33 #include "G4TouchableHistory.hh"
34 #include "G4SDManager.hh"
35 #include "HadrontherapyMatrix.hh"
36 #include "HadrontherapyLet.hh"
37 #include "G4Track.hh"
38 #include "G4SystemOfUnits.hh"
39 #include "HadrontherapyMatrix.hh"
40
41
42 #include "G4SteppingManager.hh"
43 #include "G4TrackVector.hh"
44 #include "HadrontherapySteppingAction.hh"
45 #include "G4ios.hh"
46 #include "G4SteppingManager.hh"
47 #include "G4Track.hh"
48 #include "G4Step.hh"
49 #include "G4StepPoint.hh"
50 #include "G4TrackStatus.hh"
51 #include "G4TrackVector.hh"
52 #include "G4ParticleDefinition.hh"
53 #include "G4ParticleTypes.hh"
54 #include "G4UserEventAction.hh"
55 #include "G4TransportationManager.hh"
56 #include "G4VSensitiveDetector.hh"
57 #include "HadrontherapyRunAction.hh"
58 #include "G4SystemOfUnits.hh"
59 #include "HadrontherapyRBE.hh"
60 #include <G4AccumulableManager.hh>
61
62
63 /////////////////////////////////////////////////////////////////////////////
64 HadrontherapyDetectorSD::HadrontherapyDetectorSD(G4String name):
65 G4VSensitiveDetector(name)
66 {
67 G4String HCname;
68 collectionName.insert(HCname="HadrontherapyDetectorHitsCollection");
69 HitsCollection = NULL;
70 sensitiveDetectorName = name;
71
72 }
73
74 /////////////////////////////////////////////////////////////////////////////
75 HadrontherapyDetectorSD::~HadrontherapyDetectorSD()
76 {}
77
78 /////////////////////////////////////////////////////////////////////////////
79 void HadrontherapyDetectorSD::Initialize(G4HCofThisEvent*)
80 {
81
82 HitsCollection = new HadrontherapyDetectorHitsCollection(sensitiveDetectorName,
83 collectionName[0]);
84 }
85
86 /////////////////////////////////////////////////////////////////////////////
87 G4bool HadrontherapyDetectorSD::ProcessHits(G4Step* aStep, G4TouchableHistory* )
88 {
89
90
91 if (aStep -> GetPreStepPoint() -> GetPhysicalVolume() -> GetName() != "RODetectorZDivisionPhys") return false;
92
93
94 // Get kinetic energy
95 G4Track * theTrack = aStep -> GetTrack();
96 G4double kineticEnergy = theTrack->GetKineticEnergy();
97 G4ParticleDefinition *particleDef = theTrack -> GetDefinition();
98 //Get particle name
99 G4String particleName = particleDef -> GetParticleName();
100
101 // Get particle PDG code
102 G4int pdg = particleDef ->GetPDGEncoding();
103
104 // Get unique track_id (in an event)
105 G4int trackID = theTrack -> GetTrackID();
106
107 G4double energyDeposit = aStep -> GetTotalEnergyDeposit();
108
109 G4double DX = aStep -> GetStepLength();
110 G4int Z = particleDef-> GetAtomicNumber();
111 G4int A = particleDef-> GetAtomicMass();
112 G4StepPoint* PreStep = aStep->GetPreStepPoint();
113
114 // Read voxel indexes: i is the x index, k is the z index
115 const G4VTouchable* touchable = aStep->GetPreStepPoint()->GetTouchable();
116 G4int k = touchable->GetReplicaNumber(0);
117 G4int i = touchable->GetReplicaNumber(2);
118 G4int j = touchable->GetReplicaNumber(1);
119
120 G4TouchableHandle touchPreStep = PreStep->GetTouchableHandle();
121 G4VPhysicalVolume* volumePre = touchPreStep->GetVolume();
122 G4String namePre = volumePre->GetName();
123
124
125
126 HadrontherapyMatrix* matrix = HadrontherapyMatrix::GetInstance();
127 HadrontherapyLet* let = HadrontherapyLet::GetInstance();
128
129 G4int* hitTrack = matrix -> GetHitTrack(i,j,k);
130
131
132 // ******************** let ***************************
133 if (let)
134 {
135 if ( !(Z==0 && A==1) ) // All but not neutrons
136 {
137 if( energyDeposit>0. && DX >0. )// calculate only energy deposit
138 {
139 if (pdg !=22 && pdg !=11) // not gamma and electrons
140 {
141
142 // Get the pre-step kinetic energy
143 G4double eKinPre = aStep -> GetPreStepPoint() -> GetKineticEnergy();
144 // Get the post-step kinetic energy
145 G4double eKinPost = aStep -> GetPostStepPoint() -> GetKineticEnergy();
146 // Get the step average kinetic energy
147 G4double eKinMean = (eKinPre + eKinPost) * 0.5;
148
149 // get the material
150 const G4Material * materialStep = aStep -> GetPreStepPoint() -> GetMaterial();
151
152 // get the secondary paticles
153 G4Step fstep = *theTrack -> GetStep();
154 // store all the secondary partilce in current step
155 const std::vector<const G4Track*> * secondary = fstep.GetSecondaryInCurrentStep();
156
157 size_t SecondarySize = (*secondary).size();
158 G4double EnergySecondary = 0.;
159
160 // get secondary electrons energy deposited
161 if (SecondarySize) // calculate only secondary particles
162 {
163 for (size_t numsec = 0; numsec< SecondarySize ; numsec ++)
164 {
165 //Get the PDG code of every secondaty particles in current step
166 G4int PDGSecondary=(*secondary)[numsec]->GetDefinition()->GetPDGEncoding();
167
168 if(PDGSecondary == 11) // calculate only secondary electrons
169 {
170 // calculate the energy deposit of secondary electrons in current step
171 EnergySecondary += (*secondary)[numsec]->GetKineticEnergy();
172 }
173 }
174
175 }
176
177 // call the let filldatas function to calculate let
178 let -> FillEnergySpectrum(trackID, particleDef, eKinMean, materialStep,
179 energyDeposit,EnergySecondary,DX, i, j, k);
180 }
181 }
182 }
183 }
184
185
186 if (matrix)
187 {
188
189 // Increment Fluences & accumulate energy spectra
190 // Hit voxels are marked with track_id throught hitTrack matrix
191 //G4int* hitTrack = matrix -> GetHitTrack(i,j,k); // hitTrack MUST BE cleared at every eventAction!
192 if ( *hitTrack != trackID )
193 {
194 *hitTrack = trackID;
195 /*
196 * Fill FLUENCE data for every single nuclide
197 * Exclude e-, neutrons, gamma, ...
198 */
199 if ( Z >= 1) matrix -> Fill(trackID, particleDef, i, j, k, 0, true);
200
201 }
202
203 if(energyDeposit != 0)
204 {
205 /*
206 * This method will fill a dose matrix for every single nuclide.
207 * A method of the HadrontherapyMatrix class (StoreDoseFluenceAscii())
208 * is called automatically at the end of main (or via the macro command /analysis/writeDoseFile.
209 * It permits to store all dose/fluence data into a single plane ASCII file.
210 */
211 // if (A==1 && Z==1) // primary and sec. protons
212 if ( Z>=1 ) // exclude e-, neutrons, gamma, ...
213 matrix -> Fill(trackID, particleDef, i, j, k, energyDeposit);
214 /*
215 * Create a hit with the information of position is in the detector
216 */
217 HadrontherapyDetectorHit* detectorHit = new HadrontherapyDetectorHit();
218 detectorHit -> SetEdepAndPosition(i, j, k, energyDeposit);
219 HitsCollection -> insert(detectorHit);
220 }
221 }
222
223 auto rbe = HadrontherapyRBE::GetInstance();
224 if (rbe->IsCalculationEnabled())
225 {
226 if (!fRBEAccumulable)
227 {
228 fRBEAccumulable = dynamic_cast<HadrontherapyRBEAccumulable*>(G4AccumulableManager::Instance()->GetAccumulable("RBE"));
229 if (!fRBEAccumulable)
230 {
231 G4Exception("HadrontherapyDetectorSD::ProcessHits", "NoAccumulable", FatalException, "Accumulable RBE not found.");
232 }
233 }
234 if (A>0) //protect against gammas, e- , etc
235 {
236 fRBEAccumulable->Accumulate(kineticEnergy / A, energyDeposit, DX, Z, i, j, k);
237 }
238 }
239
240
241 return true;
242 }
243
244 /////////////////////////////////////////////////////////////////////////////
245 void HadrontherapyDetectorSD::EndOfEvent(G4HCofThisEvent* HCE)
246 {
247
248 static G4int HCID = -1;
249 if(HCID < 0)
250 {
251 HCID = GetCollectionID(0);
252 }
253
254 HCE -> AddHitsCollection(HCID,HitsCollection);
255 }
256
257