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286caacf0615ab1ea1652d253dbac6f63224dae6
geant4/examples/extended/electromagnetic/TestEm18/src/RunAction.cc
T
Gabriele Cosmo 286caacf06 Import Geant4 10.0.0 source tree
2016-06-10 11:51:14 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
/// \file electromagnetic/TestEm18/src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// $Id: RunAction.cc 67268 2013-02-13 11:38:40Z ihrivnac $
//
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#include "RunAction.hh"
#include "DetectorConstruction.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"
#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"
#include "G4EmCalculator.hh"
#include "Randomize.hh"
#include <iomanip>
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* kin)
:G4UserRunAction(),fDetector(det), fPrimary(kin), fHistoManager(0)
{
fHistoManager = new HistoManager();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RunAction::~RunAction()
{
delete fHistoManager;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RunAction::BeginOfRunAction(const G4Run* run)
{
G4cout << "### Run " << run->GetRunID() << " start." << G4endl;
//initialisation
//
fEnergyDeposit = 0.;
fNbCharged = fNbNeutral = 0;
fEnergyCharged = fEnergyNeutral = 0.;
fEmin[0] = fEmin[1] = DBL_MAX;
fEmax[0] = fEmax[1] = 0.;
fNbSteps = 0;
fTrackLength = 0.;
//histograms
//
G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
if ( analysisManager->IsActive() ) {
analysisManager->OpenFile();
}
// do not save Rndm status
G4RunManager::GetRunManager()->SetRandomNumberStore(false);
CLHEP::HepRandom::showEngineStatus();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RunAction::EndOfRunAction(const G4Run* aRun)
{
G4int nbEvents = aRun->GetNumberOfEvent();
if (nbEvents == 0) return;
G4Material* material = fDetector->GetMaterial();
G4double length = fDetector->GetSize();
G4double density = material->GetDensity();
G4ParticleDefinition* particle = fPrimary->GetParticleGun()
->GetParticleDefinition();
G4String partName = particle->GetParticleName();
G4double ePrimary = fPrimary->GetParticleGun()->GetParticleEnergy();
G4int prec = G4cout.precision(3);
G4cout << "\n ======================== run summary ======================\n";
G4cout << "\n The run was " << nbEvents << " " << partName << " of "
<< G4BestUnit(ePrimary,"Energy") << " through "
<< G4BestUnit(length,"Length") << " of "
<< material->GetName() << " (density: "
<< G4BestUnit(density,"Volumic Mass") << ")";
G4cout << "\n ===========================================================\n";
G4cout << G4endl;
//save histograms
G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
if ( analysisManager->IsActive() ) {
analysisManager->Write();
analysisManager->CloseFile();
}
if (particle->GetPDGCharge() == 0.) return;
G4cout.precision(5);
//track length
//
G4double trackLPerEvent = fTrackLength/nbEvents;
G4double nbStepPerEvent = double(fNbSteps)/nbEvents;
G4double stepSize = fTrackLength/fNbSteps;
G4cout
<< "\n TrackLength= "
<< G4BestUnit(trackLPerEvent, "Length")
<< "\t nb of steps= " << nbStepPerEvent
<< " stepSize= " << G4BestUnit(stepSize, "Length")
<< G4endl;
//charged secondaries (ionization, direct pair production)
//
G4double energyPerEvent = fEnergyCharged/nbEvents;
G4double nbPerEvent = double(fNbCharged)/nbEvents;
G4double meanEkin = 0.;
if (fNbCharged) meanEkin = fEnergyCharged/fNbCharged;
G4cout
<< "\n d-rays : eLoss/primary= "
<< G4BestUnit(energyPerEvent, "Energy")
<< "\t nb of d-rays= " << nbPerEvent
<< " <Tkin>= " << G4BestUnit(meanEkin, "Energy")
<< " Tmin= " << G4BestUnit(fEmin[0], "Energy")
<< " Tmax= " << G4BestUnit(fEmax[0], "Energy")
<< G4endl;
//neutral secondaries (bremsstrahlung, pixe)
//
energyPerEvent = fEnergyNeutral/nbEvents;
nbPerEvent = double(fNbNeutral)/nbEvents;
meanEkin = 0.;
if (fNbNeutral) meanEkin = fEnergyNeutral/fNbNeutral;
G4cout
<< "\n gamma : eLoss/primary= "
<< G4BestUnit(energyPerEvent, "Energy")
<< "\t nb of gammas= " << nbPerEvent
<< " <Tkin>= " << G4BestUnit(meanEkin, "Energy")
<< " Tmin= " << G4BestUnit(fEmin[1], "Energy")
<< " Tmax= " << G4BestUnit(fEmax[1], "Energy")
<< G4endl;
G4EmCalculator emCal;
//local energy deposit
//
energyPerEvent = fEnergyDeposit/nbEvents;
//
G4double r0 = emCal.GetRangeFromRestricteDEDX(ePrimary,particle,material);
G4double r1 = r0 - trackLPerEvent;
G4double etry = ePrimary - energyPerEvent;
G4double efinal = 0.;
if (r1 > 0.) efinal = GetEnergyFromRestrictedRange(r1,particle,material,etry);
G4double dEtable = ePrimary - efinal;
G4double ratio = 0.;
if (dEtable > 0.) ratio = energyPerEvent/dEtable;
G4cout
<< "\n deposit : eLoss/primary= "
<< G4BestUnit(energyPerEvent, "Energy")
<< "\t <dEcut > table= "
<< G4BestUnit(dEtable, "Energy")
<< " ---> simul/reference= " << ratio
<< G4endl;
//total energy transferred
//
G4double energyTotal = fEnergyDeposit + fEnergyCharged + fEnergyNeutral;
energyPerEvent = energyTotal/nbEvents;
//
r0 = emCal.GetCSDARange(ePrimary,particle,material);
r1 = r0 - trackLPerEvent;
etry = ePrimary - energyPerEvent;
efinal = 0.;
if (r1 > 0.) efinal = GetEnergyFromCSDARange(r1,particle,material,etry);
dEtable = ePrimary - efinal;
ratio = 0.;
if (dEtable > 0.) ratio = energyPerEvent/dEtable;
G4cout
<< "\n total : eLoss/primary= "
<< G4BestUnit(energyPerEvent, "Energy")
<< "\t <dEfull> table= "
<< G4BestUnit(dEtable, "Energy")
<< " ---> simul/reference= " << ratio
<< G4endl;
G4cout.precision(prec);
// show Rndm status
CLHEP::HepRandom::showEngineStatus();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double RunAction::GetEnergyFromRestrictedRange(G4double range,
G4ParticleDefinition* particle, G4Material* material, G4double Etry)
{
G4EmCalculator emCal;
G4double Energy = Etry, dE = 0., dEdx;
G4double r, dr;
G4double err = 1., errmax = 0.00001;
G4int iter = 0 , itermax = 10;
while (err > errmax && iter < itermax) {
iter++;
Energy -= dE;
r = emCal.GetRangeFromRestricteDEDX(Energy,particle,material);
dr = r - range;
dEdx = emCal.GetDEDX(Energy,particle,material);
dE = dEdx*dr;
err = std::abs(dE)/Energy;
}
if (iter == itermax) {
G4cout
<< "\n ---> warning: RunAction::GetEnergyFromRestRange() did not converge"
<< " Etry = " << G4BestUnit(Etry,"Energy")
<< " Energy = " << G4BestUnit(Energy,"Energy")
<< " err = " << err
<< " iter = " << iter << G4endl;
}
return Energy;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double RunAction::GetEnergyFromCSDARange(G4double range,
G4ParticleDefinition* particle, G4Material* material, G4double Etry)
{
G4EmCalculator emCal;
G4double Energy = Etry, dE = 0., dEdx;
G4double r, dr;
G4double err = 1., errmax = 0.00001;
G4int iter = 0 , itermax = 10;
while (err > errmax && iter < itermax) {
iter++;
Energy -= dE;
r = emCal.GetCSDARange(Energy,particle,material);
dr = r - range;
dEdx = emCal.ComputeTotalDEDX(Energy,particle,material);
dE = dEdx*dr;
err = std::abs(dE)/Energy;
}
if (iter == itermax) {
G4cout
<< "\n ---> warning: RunAction::GetEnergyFromCSDARange() did not converge"
<< " Etry = " << G4BestUnit(Etry,"Energy")
<< " Energy = " << G4BestUnit(Energy,"Energy")
<< " err = " << err
<< " iter = " << iter << G4endl;
}
return Energy;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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