Gabriele Cosmo
163 lines
6.2 KiB
C++
163 lines
6.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: RunAction.cc,v 1.8 2010-04-05 13:45:17 maire Exp $
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// GEANT4 tag $Name: not supported by cvs2svn $
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "RunAction.hh"
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#include "DetectorConstruction.hh"
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#include "PrimaryGeneratorAction.hh"
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#include "G4Run.hh"
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#include "G4RunManager.hh"
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#include "G4UnitsTable.hh"
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#include "G4EmCalculator.hh"
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#include "G4Gamma.hh"
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#include "Randomize.hh"
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#include <iomanip>
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* prim)
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: detector(det), primary(prim)
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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RunAction::~RunAction()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void RunAction::BeginOfRunAction(const G4Run* aRun)
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{
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G4cout << "### Run " << aRun->GetRunID() << " start." << G4endl;
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// save Rndm status
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G4RunManager::GetRunManager()->SetRandomNumberStore(false);
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CLHEP::HepRandom::showEngineStatus();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void RunAction::EndOfRunAction(const G4Run* aRun)
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{
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G4int NbOfEvents = aRun->GetNumberOfEvent();
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if (NbOfEvents == 0) return;
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G4int prec = G4cout.precision(5);
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G4Material* material = detector->GetMaterial();
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G4double density = material->GetDensity();
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G4double tickness = detector->GetSize();
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G4ParticleDefinition* particle =
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primary->GetParticleGun()->GetParticleDefinition();
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G4String Particle = particle->GetParticleName();
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G4double energy = primary->GetParticleGun()->GetParticleEnergy();
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G4cout << "\n The run consists of " << NbOfEvents << " "<< Particle << " of "
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<< G4BestUnit(energy,"Energy") << " through "
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<< G4BestUnit(tickness,"Length") << " of "
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<< material->GetName() << " (density: "
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<< G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
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//frequency of processes
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G4int totalCount = 0;
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G4int survive = 0;
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G4cout << "\n Process calls frequency --->";
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std::map<G4String,G4int>::iterator it;
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for (it = procCounter.begin(); it != procCounter.end(); it++) {
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G4String procName = it->first;
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G4int count = it->second;
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totalCount += count;
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G4cout << "\t" << procName << " = " << count;
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if (procName == "Transportation") survive = count;
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}
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G4cout << G4endl;
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if (totalCount == 0) return;
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G4double ratio = double(survive)/totalCount;
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G4cout << "\n Nb of incident particles unaltered after "
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<< G4BestUnit(tickness,"Length") << " of "
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<< material->GetName() << " : " << survive
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<< " over " << totalCount << " incident particles."
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<< " Ratio = " << 100*ratio << " %" << G4endl;
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if (ratio == 0.) return;
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//compute cross section and related quantities
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//
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G4double CrossSection = - std::log(ratio)/tickness;
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G4double massicCS = CrossSection/density;
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G4cout << " ---> CrossSection per volume:\t" << CrossSection*cm << " cm^-1 "
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<< "\tCrossSection per mass: " << G4BestUnit(massicCS, "Surface/Mass")
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<< G4endl;
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//check cross section from G4EmCalculator
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//
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G4cout << "\n Verification from G4EmCalculator: \n";
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G4EmCalculator emCalculator;
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G4double sumc = 0.0;
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for (it = procCounter.begin(); it != procCounter.end(); it++) {
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G4String procName = it->first;
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G4double massSigma =
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emCalculator.GetCrossSectionPerVolume(energy,particle,
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procName,material)/density;
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if (particle == G4Gamma::Gamma())
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massSigma =
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emCalculator.ComputeCrossSectionPerVolume(energy,particle,
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procName,material)/density;
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sumc += massSigma;
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if (procName != "Transportation")
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G4cout << "\t" << procName << "= "
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<< G4BestUnit(massSigma, "Surface/Mass");
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}
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G4cout << "\ttotal= "
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<< G4BestUnit(sumc, "Surface/Mass") << G4endl;
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//expected ratio of transmitted particles
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G4double Ratio = std::exp(-sumc*density*tickness);
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G4cout << "\tExpected ratio of transmitted particles= "
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<< 100*Ratio << " %" << G4endl;
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//restore default format
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G4cout.precision(prec);
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// remove all contents in procCounter
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procCounter.clear();
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// show Rndm status
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CLHEP::HepRandom::showEngineStatus();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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