source: trunk/examples/extended/electromagnetic/TestEm15/src/RunAction.cc@ 808

Last change on this file since 808 was 807, checked in by garnier, 17 years ago

update
File size: 8.8 KB
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[807]1//
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25//
26// $Id: RunAction.cc,v 1.5 2006/06/29 16:47:13 gunter Exp $
27// GEANT4 tag $Name: $
28//
29//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
30//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31
32#include "RunAction.hh"
33
34#include "DetectorConstruction.hh"
35#include "PrimaryGeneratorAction.hh"
36#include "HistoManager.hh"
37
38#include "G4Run.hh"
39#include "G4RunManager.hh"
40#include "G4UnitsTable.hh"
41#include "G4EmCalculator.hh"
42
43#include "Randomize.hh"
44#include <iomanip>
45
46//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47
48RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* prim,
49 HistoManager* histo)
50 : detector(det), primary(prim), ProcCounter(0), histoManager(histo)
51{ }
52
53//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54
55RunAction::~RunAction()
56{ }
57
58//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60void RunAction::BeginOfRunAction(const G4Run* aRun)
61{
62 G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;
63
64 // save Rndm status
65 G4RunManager::GetRunManager()->SetRandomNumberStore(false);
66 CLHEP::HepRandom::showEngineStatus();
67
68 ProcCounter = new ProcessesCount;
69 totalCount = 0;
70
71 truePL = truePL2 = geomPL = geomPL2 = 0.;
72 lDispl = lDispl2 = psiSpa = psiSpa2 = 0.;
73 tetPrj = tetPrj2 = 0.;
74 phiCor = phiCor2 = 0.;
75
76 histoManager->book();
77}
78
79//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80
81void RunAction::CountProcesses(G4String procName)
82{
83 //does the process already encounted ?
84 size_t nbProc = ProcCounter->size();
85 size_t i = 0;
86 while ((i<nbProc)&&((*ProcCounter)[i]->GetName()!=procName)) i++;
87 if (i == nbProc) ProcCounter->push_back( new OneProcessCount(procName));
88
89 (*ProcCounter)[i]->Count();
90}
91
92//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93
94void RunAction::EndOfRunAction(const G4Run* aRun)
95{
96 G4int NbOfEvents = aRun->GetNumberOfEvent();
97 if (NbOfEvents == 0) return;
98
99 G4int prec = G4cout.precision(5);
100
101 G4Material* material = detector->GetMaterial();
102 G4double density = material->GetDensity();
103
104 G4ParticleDefinition* particle =
105 primary->GetParticleGun()->GetParticleDefinition();
106 G4String Particle = particle->GetParticleName();
107 G4double energy = primary->GetParticleGun()->GetParticleEnergy();
108 G4cout << "\n The run consists of " << NbOfEvents << " "<< Particle << " of "
109 << G4BestUnit(energy,"Energy") << " through "
110 << G4BestUnit(detector->GetBoxSize(),"Length") << " of "
111 << material->GetName() << " (density: "
112 << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
113
114 //frequency of processes
115 G4cout << "\n Process calls frequency --->";
116 for (size_t i=0; i< ProcCounter->size();i++) {
117 G4String procName = (*ProcCounter)[i]->GetName();
118 G4int count = (*ProcCounter)[i]->GetCounter();
119 G4cout << "\t" << procName << " = " << count;
120 }
121
122 if (totalCount == 0) return;
123
124 //compute path length and related quantities
125 //
126 G4double MeanTPL = truePL /totalCount;
127 G4double MeanTPL2 = truePL2/totalCount;
128 G4double rmsTPL = std::sqrt(std::fabs(MeanTPL2 - MeanTPL*MeanTPL));
129
130 G4double MeanGPL = geomPL /totalCount;
131 G4double MeanGPL2 = geomPL2/totalCount;
132 G4double rmsGPL = std::sqrt(std::fabs(MeanGPL2 - MeanGPL*MeanGPL));
133
134 G4double MeanLaD = lDispl /totalCount;
135 G4double MeanLaD2 = lDispl2/totalCount;
136 G4double rmsLaD = std::sqrt(std::fabs(MeanLaD2 - MeanLaD*MeanLaD));
137
138 G4double MeanPsi = psiSpa /(totalCount);
139 G4double MeanPsi2 = psiSpa2/(totalCount);
140 G4double rmsPsi = std::sqrt(std::fabs(MeanPsi2 - MeanPsi*MeanPsi));
141
142 G4double MeanTeta = tetPrj /(2*totalCount);
143 G4double MeanTeta2 = tetPrj2/(2*totalCount);
144 G4double rmsTeta = std::sqrt(std::fabs(MeanTeta2 - MeanTeta*MeanTeta));
145
146 G4double MeanCorrel = phiCor /(totalCount);
147 G4double MeanCorrel2 = phiCor2/(totalCount);
148 G4double rmsCorrel = std::sqrt(std::fabs(MeanCorrel2-MeanCorrel*MeanCorrel));
149
150 G4cout << "\n\n truePathLength :\t" << G4BestUnit(MeanTPL,"Length")
151 << " +- " << G4BestUnit( rmsTPL,"Length")
152 << "\n geomPathLength :\t" << G4BestUnit(MeanGPL,"Length")
153 << " +- " << G4BestUnit( rmsGPL,"Length")
154 << "\n lateralDisplac :\t" << G4BestUnit(MeanLaD,"Length")
155 << " +- " << G4BestUnit( rmsLaD,"Length")
156 << "\n Psi :\t" << MeanPsi/mrad << " mrad"
157 << " +- " << rmsPsi /mrad << " mrad"
158 << " (" << MeanPsi/deg << " deg"
159 << " +- " << rmsPsi /deg << " deg)"
160 << G4endl;
161
162 G4cout << "\n Theta_plane :\t" << rmsTeta/mrad << " mrad"
163 << " (" << rmsTeta/deg << " deg)"
164 << "\n phi correlation:\t" << MeanCorrel
165 << " +- " << rmsCorrel
166 << " (std::cos(phi_pos - phi_dir))"
167 << G4endl;
168
169
170 //cross check from G4EmCalculator
171 //
172 G4cout << "\n Verification from G4EmCalculator. \n";
173
174 G4EmCalculator emCal;
175
176 //get transport mean free path (for multiple scattering)
177 G4double MSmfp = emCal.GetMeanFreePath(energy,particle,"msc",material);
178
179 //get range from restricted dedx
180 G4double range = emCal.GetRangeFromRestricteDEDX(energy,particle,material);
181
182 //effective facRange
183 G4double efFacrange = MeanTPL/std::max(MSmfp, range);
184 if (MeanTPL/range >= 0.99) efFacrange = 1.;
185
186 G4cout << "\n transport mean free path :\t" << G4BestUnit(MSmfp,"Length")
187 << "\n range from restrict dE/dx:\t" << G4BestUnit(range,"Length")
188 << "\n ---> effective facRange :\t" << efFacrange
189 << G4endl;
190
191 G4cout << "\n compute theta0 from Highland :\t"
192 << ComputeMscHighland(MeanTPL)/mrad << " mrad"
193 << " (" << ComputeMscHighland(MeanTPL)/deg << " deg)"
194 << G4endl;
195
196 //restore default format
197 G4cout.precision(prec);
198
199 // delete and remove all contents in ProcCounter
200 while (ProcCounter->size()>0){
201 OneProcessCount* aProcCount=ProcCounter->back();
202 ProcCounter->pop_back();
203 delete aProcCount;
204 }
205 delete ProcCounter;
206
207 histoManager->save();
208
209 // show Rndm status
210 CLHEP::HepRandom::showEngineStatus();
211}
212
213//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
214
215G4double RunAction::ComputeMscHighland(G4double pathLength)
216{
217 //compute the width of the Gaussian central part of the MultipleScattering
218 //projected angular distribution.
219 //Eur. Phys. Jour. C15 (2000) page 166, formule 23.9
220
221 G4double t = pathLength/(detector->GetMaterial()->GetRadlen());
222 if (t < DBL_MIN) return 0.;
223
224 G4ParticleGun* particle = primary->GetParticleGun();
225 G4double T = particle->GetParticleEnergy();
226 G4double M = particle->GetParticleDefinition()->GetPDGMass();
227 G4double z = std::abs(particle->GetParticleDefinition()->GetPDGCharge()/eplus);
228
229 G4double bpc = T*(T+2*M)/(T+M);
230 G4double teta0 = 13.6*MeV*z*std::sqrt(t)*(1.+0.038*std::log(t))/bpc;
231 return teta0;
232}
233
234//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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