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geant4/source/run/src/G4MSSteppingAction.cc
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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 *
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//
//
// $Id: G4MSSteppingAction.cc 66892 2013-01-17 10:57:59Z gunter $
//
//
//
#include "G4MSSteppingAction.hh"
#include "G4Step.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Region.hh"
#include "G4Material.hh"
G4MSSteppingAction::G4MSSteppingAction()
{
Initialize(false,0);
}
G4MSSteppingAction::~G4MSSteppingAction()
{;}
void G4MSSteppingAction::Initialize(G4bool rSens,G4Region* reg)
{
regionSensitive = rSens;
theRegion = reg;
length = 0.;
x0 = 0.;
lambda = 0.;
}
void G4MSSteppingAction::UserSteppingAction(const G4Step* aStep)
{
G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
G4Region* region = preStepPoint->GetPhysicalVolume()->GetLogicalVolume()->GetRegion();
if(regionSensitive && (region!=theRegion)) return;
G4double stlen = aStep->GetStepLength();
G4Material* material = preStepPoint->GetMaterial();
length += stlen;
x0 += stlen/(material->GetRadlen());
lambda += stlen/(material->GetNuclearInterLength());
}