spower/src/Run.cc

0001 //
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0024 // ********************************************************************
0025 //
0026 // This example is provided by the Geant4-DNA collaboration
0027 // Any report or published results obtained using the Geant4-DNA software
0028 // shall cite the following Geant4-DNA collaboration publications:
0029 // Med. Phys. 45 (2018) e722-e739
0030 // Phys. Med. 31 (2015) 861-874
0031 // Med. Phys. 37 (2010) 4692-4708
0032 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
0033 //
0034 // The Geant4-DNA web site is available at http://geant4-dna.org
0035 //
0036 /// \file Run.cc
0037 /// \brief Implementation of the Run class
0038
0039 #include "Run.hh"
0040
0041 #include "DetectorConstruction.hh"
0042 #include "PrimaryGeneratorAction.hh"
0043
0044 #include "G4Material.hh"
0045 #include "G4SystemOfUnits.hh"
0046 #include "G4UnitsTable.hh"
0047
0048 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0049
0050 Run::Run(const DetectorConstruction* detector)
0051   : G4Run(), fDetector(detector), fParticle(0), fEkin(0.), fSP(0.), fSP2(0.)
0052 {}
0053
0054 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0055
0056 Run::~Run() {}
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 void Run::SetPrimary(G4ParticleDefinition* particle, G4double energy)
0061 {
0062   fParticle = particle;
0063   fEkin = energy;
0064 }
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void Run::AddSP(G4double t)
0069 {
0070   fSP += t;
0071   fSP2 += t * t;
0072 }
0073
0074 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0075
0076 void Run::Merge(const G4Run* run)
0077 {
0078   const Run* localRun = static_cast<const Run*>(run);
0079
0080   // Pass information about primary particle
0081   fParticle = localRun->fParticle;
0082   fEkin = localRun->fEkin;
0083
0084   // Accumulate sums
0085   fSP += localRun->fSP;
0086   fSP2 += localRun->fSP2;
0087
0088   G4Run::Merge(run);
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0092
0093 void Run::EndOfRun()
0094 {
0095   std::ios::fmtflags mode = G4cout.flags();
0096   G4cout.setf(std::ios::fixed, std::ios::floatfield);
0097   G4int prec = G4cout.precision(2);
0098
0099   // Run conditions
0100   G4Material* material = fDetector->GetAbsorMaterial();
0101   G4double density = material->GetDensity();
0102   G4String partName = fParticle->GetParticleName();
0103
0104   G4cout << "\n ======================== run summary =====================\n";
0105   G4cout << "\n The run is " << numberOfEvent << " " << partName << " of "
0106          << G4BestUnit(fEkin, "Energy") << " through a sphere of radius "
0107          << G4BestUnit(fDetector->GetAbsorRadius(), "Length") << "of " << material->GetName()
0108          << " (density: " << G4BestUnit(density, "Volumic Mass") << ")" << G4endl;
0109
0110   if (numberOfEvent == 0) {
0111     G4cout.setf(mode, std::ios::floatfield);
0112     G4cout.precision(prec);
0113     return;
0114   }
0115
0116   // Compute stopping power
0117   fSP /= numberOfEvent;
0118   fSP2 /= numberOfEvent;
0119   G4double rms = fSP2 - fSP * fSP;
0120
0121   if (rms > 0.)
0122     rms = std::sqrt(rms);
0123   else
0124     rms = 0.;
0125
0126   G4cout << "\n total Stopping Power (keV/um)   = " << fSP / (keV / um) << " +- "
0127          << rms / (keV / um) << G4endl;
0128
0129   // Output file
0130   FILE* myFile;
0131   myFile = fopen("spower.txt", "a");
0132   fprintf(myFile, "%e %e %e \n", fEkin / eV, fSP / (keV / um), rms / (keV / um));
0133   fclose(myFile);
0134
0135   // Reset default formats
0136   G4cout.setf(mode, std::ios::floatfield);
0137   G4cout.precision(prec);
0138 }