electronScattering/src/Run.cc

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0025 //
0026 /// \file medical/electronScattering/src/Run.cc
0027 /// \brief Implementation of the Run class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "Run.hh"
0034
0035 #include "DetectorConstruction.hh"
0036 #include "HistoManager.hh"
0037 #include "PrimaryGeneratorAction.hh"
0038
0039 #include "G4PhysicalConstants.hh"
0040 #include "G4Run.hh"
0041 #include "G4RunManager.hh"
0042 #include "G4SystemOfUnits.hh"
0043 #include "G4UnitsTable.hh"
0044 #include "Randomize.hh"
0045
0046 #include <iomanip>
0047 #include <stdexcept>  // std::out_of_range
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 Run::Run(DetectorConstruction* det) : G4Run(), fDetector(det), fParticle(0), fEnergy(0)
0052 {
0053   InitFluence();
0054 }
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0057
0058 Run::~Run() {}
0059
0060 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0061
0062 void Run::SetPrimary(G4ParticleDefinition* particle, G4double energy)
0063 {
0064   fParticle = particle;
0065   fEnergy = energy;
0066 }
0067
0068 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0069
0070 void Run::Merge(const G4Run* run)
0071 {
0072   const Run* localRun = static_cast<const Run*>(run);
0073
0074   // pass information about primary particle
0075   fParticle = localRun->fParticle;
0076   fEnergy = localRun->fEnergy;
0077
0078   // In MT all threads have the same fNbBins and fDr value
0079   fNbBins = localRun->fNbBins;
0080   fDr = localRun->fDr;
0081
0082   // Some value by value
0083
0084   for (unsigned int i = 0; i < localRun->fluence.size(); ++i) {
0085     try {
0086       fluence[i] += localRun->fluence[i];
0087     }
0088     catch (const std::out_of_range&) {
0089       fluence.push_back(localRun->fluence[i]);
0090     }
0091   }
0092
0093   for (unsigned int i = 0; i < localRun->fluence1.size(); ++i) {
0094     try {
0095       fluence1[i] += localRun->fluence1[i];
0096     }
0097     catch (const std::out_of_range&) {
0098       fluence1.push_back(localRun->fluence1[i]);
0099     }
0100   }
0101
0102   for (unsigned int i = 0; i < localRun->fluence2.size(); ++i) {
0103     try {
0104       fluence2[i] += localRun->fluence2[i];
0105     }
0106     catch (const std::out_of_range&) {
0107       fluence2.push_back(localRun->fluence2[i]);
0108     }
0109   }
0110
0111   for (unsigned int i = 0; i < localRun->fNbEntries.size(); ++i) {
0112     try {
0113       fNbEntries[i] += localRun->fNbEntries[i];
0114     }
0115     catch (const std::out_of_range&) {
0116       fNbEntries.push_back(localRun->fNbEntries[i]);
0117     }
0118   }
0119
0120   G4Run::Merge(run);
0121 }
0122
0123 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0124
0125 void Run::EndOfRun()
0126 {
0127   if (numberOfEvent == 0) return;
0128
0129   // Scatter foil
0130
0131   G4Material* material = fDetector->GetMaterialScatter();
0132   G4double length = fDetector->GetThicknessScatter();
0133   G4double density = material->GetDensity();
0134   G4String partName = fParticle->GetParticleName();
0135
0136   G4cout << "\n ======================== run summary ======================\n";
0137
0138   G4int prec = G4cout.precision(3);
0139
0140   G4cout << "\n The run was " << numberOfEvent << " " << partName << " of "
0141          << G4BestUnit(fEnergy, "Energy") << " through " << G4BestUnit(length, "Length") << " of "
0142          << material->GetName() << " (density: " << G4BestUnit(density, "Volumic Mass") << ")"
0143          << G4endl;
0144
0145   G4cout.precision(prec);
0146
0147   // normalize histograms
0148   //
0149   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0150   G4double fac = 1. / (double(numberOfEvent));
0151   analysisManager->ScaleH1(1, fac);
0152   analysisManager->ScaleH1(2, fac);
0153   analysisManager->ScaleH1(3, fac);
0154   analysisManager->ScaleH1(5, fac);
0155   analysisManager->ScaleH1(6, fac);
0156
0157   ComputeFluenceError();
0158   PrintFluence(numberOfEvent);
0159 }
0160
0161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0162
0163 void Run::InitFluence()
0164 {
0165   // create Fluence histo in any case
0166
0167   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0168   G4int ih = 4;
0169   analysisManager->SetH1(ih, 120, 0 * mm, 240 * mm, "mm");
0170
0171   // construct vectors for fluence distribution
0172
0173   fNbBins = analysisManager->GetH1Nbins(ih);
0174   fDr = analysisManager->GetH1Width(ih);
0175   fluence.resize(fNbBins, 0.);
0176   fluence1.resize(fNbBins, 0.);
0177   fluence2.resize(fNbBins, 0.);
0178   fNbEntries.resize(fNbBins, 0);
0179 }
0180
0181 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0182
0183 void Run::SumFluence(G4double r, G4double fl)
0184 {
0185   G4int ibin = (int)(r / fDr);
0186   if (ibin >= fNbBins) return;
0187   fNbEntries[ibin]++;
0188   fluence[ibin] += fl;
0189   fluence2[ibin] += fl * fl;
0190 }
0191
0192 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0193
0194 void Run::ComputeFluenceError()
0195 {
0196   // compute rms
0197
0198   G4double ds, variance, rms;
0199   G4double rmean = -0.5 * fDr;
0200
0201   for (G4int bin = 0; bin < fNbBins; bin++) {
0202     rmean += fDr;
0203     ds = twopi * rmean * fDr;
0204     fluence[bin] /= ds;
0205     fluence2[bin] /= (ds * ds);
0206     variance = 0.;
0207     if (fNbEntries[bin] > 0)
0208       variance = fluence2[bin] - (fluence[bin] * fluence[bin]) / fNbEntries[bin];
0209     rms = 0.;
0210     if (variance > 0.) rms = std::sqrt(variance);
0211     fluence2[bin] = rms;
0212   }
0213
0214   // normalize to first bins, compute error and fill histo
0215
0216   G4double rnorm(4 * mm), radius(0.), fnorm(0.), fnorm2(0.);
0217   G4int inorm = -1;
0218   do {
0219     inorm++;
0220     radius += fDr;
0221     fnorm += fluence[inorm];
0222     fnorm2 += fluence2[inorm];
0223   } while (radius < rnorm);
0224   fnorm /= (inorm + 1);
0225   fnorm2 /= (inorm + 1);
0226
0227   G4double ratio, error;
0228   G4double scale = 1. / fnorm;
0229   G4double err0 = fnorm2 / fnorm, err1 = 0.;
0230
0231   rmean = -0.5 * fDr;
0232
0233   for (G4int bin = 0; bin < fNbBins; bin++) {
0234     ratio = fluence[bin] * scale;
0235     error = 0.;
0236     if (ratio > 0.) {
0237       err1 = fluence2[bin] / fluence[bin];
0238       error = ratio * std::sqrt(err1 * err1 + err0 * err0);
0239     }
0240     fluence1[bin] = ratio;
0241     fluence2[bin] = error;
0242     rmean += fDr;
0243     G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0244     analysisManager->FillH1(4, rmean, ratio);
0245   }
0246 }
0247
0248 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0249
0250 #include <fstream>
0251
0252 void Run::PrintFluence(G4int TotEvents)
0253 {
0254   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0255   G4String name = analysisManager->GetFileName();
0256   G4String fileName = name + ".ascii";
0257   std::ofstream File(fileName, std::ios::out);
0258
0259   std::ios::fmtflags mode = File.flags();
0260   File.setf(std::ios::scientific, std::ios::floatfield);
0261   G4int prec = File.precision(3);
0262
0263   File << "  Fluence density distribution \n "
0264        << "\n  ibin \t radius (mm) \t Nb \t fluence\t norma fl\t rms/nfl (%) \n"
0265        << G4endl;
0266
0267   G4double rmean = -0.5 * fDr;
0268   for (G4int bin = 0; bin < fNbBins; bin++) {
0269     rmean += fDr;
0270     G4double error = 0.;
0271     if (fluence1[bin] > 0.) error = 100 * fluence2[bin] / fluence1[bin];
0272     File << "  " << bin << "\t " << rmean / mm << "\t " << fNbEntries[bin] << "\t "
0273          << fluence[bin] / double(TotEvents) << "\t " << fluence1[bin] << "\t " << error << G4endl;
0274   }
0275
0276   // restaure default formats
0277   File.setf(mode, std::ios::floatfield);
0278   File.precision(prec);
0279 }
0280
0281 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......