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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 publications:
29 // Med. Phys. 45 (2018) e722-e739
30 // Phys. Med. 31 (2015) 861-874
31 // Med. Phys. 37 (2010) 4692-4708
32 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
33 //
34 // The Geant4-DNA web site is available at http://geant4-dna.org
35 //
36 /// \file Run.cc
37 /// \brief Implementation of the Run class
38
39 #include "Run.hh"
40
41 #include "PrimaryGeneratorAction.hh"
42
43 #include "G4Material.hh"
44 #include "G4SystemOfUnits.hh"
45 #include "G4UnitsTable.hh"
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48
49 Run::Run(const DetectorConstruction* detector)
50 : G4Run(),
51 fDetector(detector),
52 fParticle(0),
53 fEkin(0.),
54 fTotalCount(0),
55 fSumTrack(0.),
56 fSumTrack2(0.),
57 fEnTransfer(0.)
58 {}
59
60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61
62 Run::~Run() {}
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
66 void Run::SetPrimary(G4ParticleDefinition* particle, G4double energy)
67 {
68 fParticle = particle;
69 fEkin = energy;
70 }
71
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73
74 void Run::CountProcesses(G4String procName)
75 {
76 std::map<G4String, G4int>::iterator it = fProcCounter.find(procName);
77 if (it == fProcCounter.end()) {
78 fProcCounter[procName] = 1;
79 }
80 else {
81 fProcCounter[procName]++;
82 }
83 }
84
85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
86
87 void Run::SumTrack(G4double track)
88 {
89 fTotalCount++;
90 fSumTrack += track;
91 fSumTrack2 += track * track;
92 }
93
94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
95
96 void Run::SumeTransf(G4double energy)
97 {
98 fEnTransfer += energy;
99 }
100
101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
102
103 void Run::Merge(const G4Run* run)
104 {
105 const Run* localRun = static_cast<const Run*>(run);
106
107 // Pass information about primary particle
108 fParticle = localRun->fParticle;
109 fEkin = localRun->fEkin;
110
111 // map: processes count
112 std::map<G4String, G4int>::const_iterator it;
113 for (it = localRun->fProcCounter.begin(); it != localRun->fProcCounter.end(); ++it) {
114 G4String procName = it->first;
115 G4int localCount = it->second;
116
117 if (fProcCounter.find(procName) == fProcCounter.end()) {
118 fProcCounter[procName] = localCount;
119 }
120 else {
121 fProcCounter[procName] += localCount;
122 }
123 }
124
125 fTotalCount += localRun->fTotalCount;
126 fSumTrack += localRun->fSumTrack;
127 fSumTrack2 += localRun->fSumTrack2;
128 fEnTransfer += localRun->fEnTransfer;
129
130 G4Run::Merge(run);
131 }
132
133 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
134
135 void Run::EndOfRun()
136 {
137 std::ios::fmtflags mode = G4cout.flags();
138 G4cout.setf(std::ios::fixed, std::ios::floatfield);
139 G4int prec = G4cout.precision(2);
140
141 // Run conditions
142 G4Material* material = fDetector->GetAbsorMaterial();
143 G4double density = material->GetDensity();
144 G4String partName = fParticle->GetParticleName();
145
146 G4cout << "\n ======================== run summary =====================\n";
147 G4cout << "\n The run is " << numberOfEvent << " " << partName << " of "
148 << G4BestUnit(fEkin, "Energy") << " through a sphere of radius "
149 << G4BestUnit(fDetector->GetAbsorRadius(), "Length") << "of " << material->GetName()
150 << " (density: " << G4BestUnit(density, "Volumic Mass") << ")" << G4endl;
151
152 if (numberOfEvent == 0) {
153 G4cout.setf(mode, std::ios::floatfield);
154 G4cout.precision(prec);
155 return;
156 }
157
158 // Frequency of processes
159 G4int survive = 0;
160 G4cout << "\n Process calls frequency --->";
161 std::map<G4String, G4int>::iterator it;
162 for (it = fProcCounter.begin(); it != fProcCounter.end(); it++) {
163 G4String procName = it->first;
164 G4int count = it->second;
165 G4cout << "\t" << procName << " = " << count;
166 if (procName == "Transportation") survive = count;
167 }
168
169 if (survive > 0) {
170 G4cout << "\n\n Nb of incident particles surviving after "
171 << "a radius of " << G4BestUnit(fDetector->GetAbsorRadius(), "Length") << " of "
172 << material->GetName() << " : " << survive << G4endl;
173 }
174
175 if (fTotalCount == 0) fTotalCount = 1; // force printing anyway
176
177 // Compute mean free path and related quantities
178 G4double MeanFreePath = fSumTrack / fTotalCount;
179 G4double MeanTrack2 = fSumTrack2 / fTotalCount;
180 G4double rmsBis = std::sqrt(std::fabs(MeanTrack2 - MeanFreePath * MeanFreePath));
181 G4double CrossSection = 1. / MeanFreePath;
182 G4double massicMFP = MeanFreePath * density;
183 G4double massicCS = 1. / massicMFP;
184
185 G4cout << "\n\n MeanFreePath:\t" << G4BestUnit(MeanFreePath, "Length") << " +- "
186 << G4BestUnit(rmsBis, "Length")
187 << "\t\t\tmassic: " << G4BestUnit(massicMFP, "Mass/Surface") << "\n CrossSection:\t"
188 << CrossSection * cm << " cm^-1 "
189 << "\t\t\tmassic: " << G4BestUnit(massicCS, "Surface/Mass") << G4endl;
190
191 // Compute energy transfer coefficient
192 G4double MeanTransfer = fEnTransfer / fTotalCount;
193 G4double massTransfCoef = massicCS * MeanTransfer / fEkin;
194
195 G4cout << "\n mean energy of charged secondaries: " << G4BestUnit(MeanTransfer, "Energy")
196 << "\tmass_energy_transfer coef: " << G4BestUnit(massTransfCoef, "Surface/Mass") << G4endl;
197
198 // Output file
199 FILE* myFile;
200 myFile = fopen("mfp.txt", "a");
201 fprintf(myFile, "%e %e %e \n", fEkin / eV, MeanFreePath / nm, rmsBis / nm);
202 fclose(myFile);
203
204 // Remove all contents in fProcCounter
205 fProcCounter.clear();
206
207 // Reset default formats
208 G4cout.setf(mode, std::ios::floatfield);
209 G4cout.precision(prec);
210 }
211