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geant4/examples/extended/electromagnetic/TestEm11/src/RunAction.cc
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//
// ********************************************************************
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// * *
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// * conditions of the Geant4 Software License, included in the file *
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// * technical work of the GEANT4 collaboration. *
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//
/// \file RunAction.cc
/// \brief Implementation of the RunAction class
#include "RunAction.hh"
#include "HistoManager.hh"
#include "PhysicsList.hh"
#include "PrimaryGeneratorAction.hh"
#include "Run.hh"
#include "StepMax.hh"
#include "G4EmCalculator.hh"
#include "G4EmParameters.hh"
#include "G4Run.hh"
#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"
#include "Randomize.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RunAction::RunAction(DetectorConstruction* det, PhysicsList* phys, PrimaryGeneratorAction* kin)
: fDetector(det), fPhysics(phys), fPrimary(kin)
{
// Book predefined histograms
fHistoManager = new HistoManager();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RunAction::~RunAction()
{
delete fHistoManager;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4Run* RunAction::GenerateRun()
{
fRun = new Run(fDetector);
return fRun;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RunAction::BeginOfRunAction(const G4Run*)
{
// show Rndm status
if (isMaster) {
G4Random::showEngineStatus();
G4EmParameters::Instance()->Dump();
}
// 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);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......