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geant4/examples/extended/electromagnetic/TestEm11/src/RunAction.cc
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2017-06-30 10:49:55 +02:00

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//
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//
/// \file electromagnetic/TestEm11/src/RunAction.cc
/// \brief Implementation of the RunAction class
//
// $Id: RunAction.cc 103624 2017-04-19 13:27:14Z gcosmo $
//
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#include "RunAction.hh"
#include "PhysicsList.hh"
#include "StepMax.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"
#include "Run.hh"
#include "G4Run.hh"
#include "G4EmCalculator.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"
#include "Randomize.hh"
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RunAction::RunAction(DetectorConstruction* det, PhysicsList* phys,
PrimaryGeneratorAction* kin)
:G4UserRunAction(),fDetector(det),fPhysics(phys),fPrimary(kin),fRun(0),
fHistoManager(0)
{
// Book predefined histograms
fHistoManager = new HistoManager();
}
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RunAction::~RunAction()
{
delete fHistoManager;
}
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G4Run* RunAction::GenerateRun()
{
fRun = new Run(fDetector);
return fRun;
}
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void RunAction::BeginOfRunAction(const G4Run*)
{
// shpw Rndm status
if (isMaster) G4Random::showEngineStatus();
// keep run condition
if ( fPrimary ) {
G4ParticleDefinition* particle
= fPrimary->GetParticleGun()->GetParticleDefinition();
G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
fRun->SetPrimary(particle, energy);
}
//histograms
//
G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
if ( analysisManager->IsActive() ) {
analysisManager->OpenFile();
}
if (!fPrimary) return;
//set StepMax from histos 1 and 8
//
G4double stepMax = DBL_MAX;
G4int ih = 1;
if (analysisManager->GetH1Activation(ih)) {
stepMax = analysisManager->GetH1Width(ih)
*analysisManager->GetH1Unit(ih);
}
ih = 8;
G4ParticleDefinition* particle = fPrimary->GetParticleGun()
->GetParticleDefinition();
if (particle->GetPDGCharge() != 0.) {
G4double width = analysisManager->GetH1Width(ih);
if (width == 0.) width = 1.;
G4EmCalculator emCalculator;
G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
G4int nbOfAbsor = fDetector->GetNbOfAbsor();
for (G4int i=1; i<= nbOfAbsor; i++) {
G4Material* material = fDetector->GetAbsorMaterial(i);
G4double newCsdaRange
= emCalculator.GetCSDARange(energy,particle,material);
fRun->SetCsdaRange(i, newCsdaRange);
if (analysisManager->GetH1Activation(ih))
stepMax = std::min(stepMax, width*newCsdaRange);
if (i>1) {
G4double thickness = fDetector->GetAbsorThickness(i-1);
G4double xfrontNorm = fRun->GetXfrontNorm(i-1);
G4double csdaRange = fRun->GetCsdaRange(i-1);
G4double newXfrontNorm = xfrontNorm + thickness/csdaRange;
fRun->SetXfrontNorm(i, newXfrontNorm);
}
}
}
fPhysics->GetStepMaxProcess()->SetMaxStep2(stepMax);
}
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void RunAction::EndOfRunAction(const G4Run*)
{
if (isMaster) fRun->EndOfRun();
// save histograms
G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
if ( analysisManager->IsActive() ) {
analysisManager->Write();
analysisManager->CloseFile();
}
// show Rndm status
if (isMaster) G4Random::showEngineStatus();
}
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