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geant4/examples/extended/runAndEvent/RE07/src/Run.cc
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2024-06-28 13:08:51 +02:00

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//
// ********************************************************************
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// * *
// * The Geant4 software is copyright of the Copyright Holders of *
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// * any work based on the software) you agree to acknowledge its *
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//
/// \file src/Run.cc
/// \brief Implementation of the Run class
//
//
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#include "Run.hh"
#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"
#include "G4Electron.hh"
#include "G4Gamma.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4Positron.hh"
#include "G4SystemOfUnits.hh"
#include "G4Track.hh"
#include "G4UnitsTable.hh"
#include <iomanip>
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Run::Run(DetectorConstruction* det)
: G4Run(),
fDetector(det),
fParticle(nullptr),
fEkin(0.),
fChargedStep(0),
fNeutralStep(0),
fN_gamma(0),
fN_elec(0),
fN_pos(0)
{
// initialize cumulative quantities
//
for (G4int k = 0; k < kMaxAbsor; k++) {
fSumEAbs[k] = fSum2EAbs[k] = fSumLAbs[k] = fSum2LAbs[k] = 0.;
fEnergyDeposit[k].clear();
}
}
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Run::~Run() {}
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void Run::SetPrimary(G4ParticleDefinition* particle, G4double energy)
{
fParticle = particle;
fEkin = energy;
}
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void Run::FillPerEvent(G4int kAbs, G4double EAbs, G4double LAbs)
{
// accumulate statistic with restriction
//
fEnergyDeposit[kAbs].push_back(EAbs);
fSumEAbs[kAbs] += EAbs;
fSum2EAbs[kAbs] += EAbs * EAbs;
fSumLAbs[kAbs] += LAbs;
fSum2LAbs[kAbs] += LAbs * LAbs;
}
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void Run::AddChargedStep()
{
fChargedStep += 1.0;
}
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void Run::AddNeutralStep()
{
fNeutralStep += 1.0;
}
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void Run::AddSecondaryTrack(const G4Track* track)
{
const G4ParticleDefinition* d = track->GetDefinition();
if (d == G4Gamma::Gamma()) {
++fN_gamma;
}
else if (d == G4Electron::Electron()) {
++fN_elec;
}
else if (d == G4Positron::Positron()) {
++fN_pos;
}
}
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void Run::Merge(const G4Run* run)
{
const Run* localRun = static_cast<const Run*>(run);
// pass information about primary particle
fParticle = localRun->fParticle;
fEkin = localRun->fEkin;
// accumulate sums
//
for (G4int k = 0; k < kMaxAbsor; k++) {
fSumEAbs[k] += localRun->fSumEAbs[k];
fSum2EAbs[k] += localRun->fSum2EAbs[k];
fSumLAbs[k] += localRun->fSumLAbs[k];
fSum2LAbs[k] += localRun->fSum2LAbs[k];
}
fChargedStep += localRun->fChargedStep;
fNeutralStep += localRun->fNeutralStep;
fN_gamma += localRun->fN_gamma;
fN_elec += localRun->fN_elec;
fN_pos += localRun->fN_pos;
G4Run::Merge(run);
}
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void Run::EndOfRun()
{
G4int nEvt = numberOfEvent;
G4double norm = G4double(nEvt);
if (norm > 0) norm = 1. / norm;
G4double qnorm = std::sqrt(norm);
fChargedStep *= norm;
fNeutralStep *= norm;
// compute and print statistic
//
G4double beamEnergy = fEkin;
G4double sqbeam = std::sqrt(beamEnergy / GeV);
G4double MeanEAbs, MeanEAbs2, rmsEAbs, resolution, rmsres;
G4double MeanLAbs, MeanLAbs2, rmsLAbs;
std::ios::fmtflags mode = G4cout.flags();
G4int prec = G4cout.precision(2);
G4cout << "\n------------------------------------------------------------\n";
G4cout << std::setw(14) << "material" << std::setw(17) << "Edep RMS" << std::setw(33)
<< "sqrt(E0(GeV))*rmsE/Emean" << std::setw(23) << "total tracklen \n \n";
for (G4int k = 1; k <= fDetector->GetNbOfAbsor(); k++) {
MeanEAbs = fSumEAbs[k] * norm;
MeanEAbs2 = fSum2EAbs[k] * norm;
rmsEAbs = std::sqrt(std::abs(MeanEAbs2 - MeanEAbs * MeanEAbs));
resolution = 100. * sqbeam * rmsEAbs / MeanEAbs;
rmsres = resolution * qnorm;
// Save mean and RMS
fSumEAbs[k] = MeanEAbs;
fSum2EAbs[k] = rmsEAbs;
MeanLAbs = fSumLAbs[k] * norm;
MeanLAbs2 = fSum2LAbs[k] * norm;
rmsLAbs = std::sqrt(std::abs(MeanLAbs2 - MeanLAbs * MeanLAbs));
// print
//
G4cout << std::setw(14) << fDetector->GetAbsorMaterial(k)->GetName() << ": "
<< std::setprecision(5) << std::setw(6) << G4BestUnit(MeanEAbs, "Energy") << " : "
<< std::setprecision(4) << std::setw(5) << G4BestUnit(rmsEAbs, "Energy") << std::setw(10)
<< resolution << " +- " << std::setw(5) << rmsres << " %" << std::setprecision(3)
<< std::setw(10) << G4BestUnit(MeanLAbs, "Length") << " +- " << std::setw(4)
<< G4BestUnit(rmsLAbs, "Length") << G4endl;
}
G4cout << "\n------------------------------------------------------------\n";
G4cout << " Beam particle " << fParticle->GetParticleName()
<< " E = " << G4BestUnit(beamEnergy, "Energy") << G4endl;
G4cout << " Mean number of gamma " << (G4double)fN_gamma * norm << G4endl;
G4cout << " Mean number of e- " << (G4double)fN_elec * norm << G4endl;
G4cout << " Mean number of e+ " << (G4double)fN_pos * norm << G4endl;
G4cout << std::setprecision(6) << " Mean number of charged steps " << fChargedStep << G4endl;
G4cout << " Mean number of neutral steps " << fNeutralStep << G4endl;
G4cout << "------------------------------------------------------------\n" << G4endl;
G4cout.setf(mode, std::ios::floatfield);
G4cout.precision(prec);
}
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