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25 //
26 /// \file electromagnetic/TestEm13/src/Run.cc
27 /// \brief Implementation of the Run class
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33 #include "Run.hh"
34
35 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorAction.hh"
37
38 #include "G4EmCalculator.hh"
39 #include "G4Gamma.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4UnitsTable.hh"
42
43 #include <iomanip>
44
45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46
47 Run::Run(DetectorConstruction* det) : fDetector(det) {}
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 void Run::SetPrimary(G4ParticleDefinition* particle, G4double energy)
52 {
53 fParticle = particle;
54 fEkin = energy;
55 }
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57
58 void Run::CountProcesses(G4String procName)
59 {
60 std::map<G4String, G4int>::iterator it = fProcCounter.find(procName);
61 if (it == fProcCounter.end()) {
62 fProcCounter[procName] = 1;
63 }
64 else {
65 fProcCounter[procName]++;
66 }
67 }
68
69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70
71 void Run::Merge(const G4Run* run)
72 {
73 const Run* localRun = static_cast<const Run*>(run);
74
75 // pass information about primary particle
76 fParticle = localRun->fParticle;
77 fEkin = localRun->fEkin;
78
79 // map: processes count
80 std::map<G4String, G4int>::const_iterator it;
81 for (it = localRun->fProcCounter.begin(); it != localRun->fProcCounter.end(); ++it) {
82 G4String procName = it->first;
83 G4int localCount = it->second;
84 if (fProcCounter.find(procName) == fProcCounter.end()) {
85 fProcCounter[procName] = localCount;
86 }
87 else {
88 fProcCounter[procName] += localCount;
89 }
90 }
91
92 G4Run::Merge(run);
93 }
94
95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
96
97 void Run::EndOfRun()
98 {
99 G4int prec = 5;
100 G4int dfprec = G4cout.precision(prec);
101
102 // run condition
103 //
104 G4String partName = fParticle->GetParticleName();
105 G4Material* material = fDetector->GetMaterial();
106 G4double density = material->GetDensity();
107 G4double tickness = fDetector->GetSize();
108
109 G4cout << "\n ======================== run summary ======================\n";
110 G4cout << "\n The run is: " << numberOfEvent << " " << partName << " of "
111 << G4BestUnit(fEkin, "Energy") << " through " << G4BestUnit(tickness, "Length") << " of "
112 << material->GetName() << " (density: " << G4BestUnit(density, "Volumic Mass") << ")"
113 << G4endl;
114
115 // frequency of processes
116 G4int totalCount = 0;
117 G4int survive = 0;
118 G4cout << "\n Process calls frequency --->";
119 std::map<G4String, G4int>::iterator it;
120 for (it = fProcCounter.begin(); it != fProcCounter.end(); it++) {
121 G4String procName = it->first;
122 G4int count = it->second;
123 totalCount += count;
124 G4cout << "\t" << procName << " = " << count;
125 if (procName == "Transportation") survive = count;
126 }
127 G4cout << G4endl;
128
129 if (totalCount == 0) {
130 G4cout.precision(dfprec);
131 return;
132 };
133 G4double ratio = double(survive) / totalCount;
134
135 G4cout << "\n Nb of incident particles unaltered after " << G4BestUnit(tickness, "Length")
136 << " of " << material->GetName() << " : " << survive << " over " << totalCount
137 << " incident particles."
138 << " Ratio = " << 100 * ratio << " %" << G4endl;
139
140 if (ratio == 0.) return;
141
142 // compute cross section and related quantities
143 //
144 G4double CrossSection = -std::log(ratio) / tickness;
145 G4double massicCS = CrossSection / density;
146
147 G4cout << " ---> CrossSection per volume:\t" << CrossSection * cm << " cm^-1 "
148 << "\tCrossSection per mass: " << G4BestUnit(massicCS, "Surface/Mass") << G4endl;
149
150 // check cross section from G4EmCalculator
151 //
152 G4cout << "\n Verification from G4EmCalculator: \n";
153 G4EmCalculator emCalculator;
154 G4double sumc = 0.0;
155 for (it = fProcCounter.begin(); it != fProcCounter.end(); it++) {
156 G4String procName = it->first;
157 G4double massSigma =
158 emCalculator.GetCrossSectionPerVolume(fEkin, fParticle, procName, material) / density;
159 if (fParticle == G4Gamma::Gamma())
160 massSigma =
161 emCalculator.ComputeCrossSectionPerVolume(fEkin, fParticle, procName, material) / density;
162 sumc += massSigma;
163 if (procName != "Transportation")
164 G4cout << "\t" << procName << "= " << G4BestUnit(massSigma, "Surface/Mass");
165 }
166 G4cout << "\ttotal= " << G4BestUnit(sumc, "Surface/Mass") << G4endl;
167
168 // expected ratio of transmitted particles
169 G4double Ratio = std::exp(-sumc * density * tickness);
170 G4cout << "\tExpected ratio of transmitted particles= " << 100 * Ratio << " %" << G4endl;
171
172 // remove all contents in fProcCounter
173 fProcCounter.clear();
174
175 // restore default format
176 G4cout.precision(dfprec);
177 }
178
179 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
180