00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 // 00031 00032 00033 #include "G4MSSteppingAction.hh" 00034 00035 #include "G4Step.hh" 00036 #include "G4VPhysicalVolume.hh" 00037 #include "G4LogicalVolume.hh" 00038 #include "G4Region.hh" 00039 #include "G4Material.hh" 00040 00041 G4MSSteppingAction::G4MSSteppingAction() 00042 { 00043 Initialize(false,0); 00044 } 00045 00046 G4MSSteppingAction::~G4MSSteppingAction() 00047 {;} 00048 00049 void G4MSSteppingAction::Initialize(G4bool rSens,G4Region* reg) 00050 { 00051 regionSensitive = rSens; 00052 theRegion = reg; 00053 length = 0.; 00054 x0 = 0.; 00055 lambda = 0.; 00056 } 00057 00058 void G4MSSteppingAction::UserSteppingAction(const G4Step* aStep) 00059 { 00060 G4StepPoint* preStepPoint = aStep->GetPreStepPoint(); 00061 G4Region* region = preStepPoint->GetPhysicalVolume()->GetLogicalVolume()->GetRegion(); 00062 00063 if(regionSensitive && (region!=theRegion)) return; 00064 00065 G4double stlen = aStep->GetStepLength(); 00066 G4Material* material = preStepPoint->GetMaterial(); 00067 length += stlen; 00068 x0 += stlen/(material->GetRadlen()); 00069 lambda += stlen/(material->GetNuclearInterLength()); 00070 } 00071