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 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch) 00030 // 00031 // History: 00032 // ----------- 00033 // 05 Oct 2001 MGP Created 00034 // 21 Jan 2003 VI Cut per region 00035 // 00036 // ------------------------------------------------------------------- 00037 00038 #include "G4RangeTest.hh" 00039 #include "G4ParticleDefinition.hh" 00040 #include "G4MaterialCutsCouple.hh" 00041 #include "G4EnergyLossTables.hh" 00042 #include "G4Electron.hh" 00043 #include "G4Positron.hh" 00044 00045 G4RangeTest::~G4RangeTest() 00046 { } 00047 00048 G4bool G4RangeTest::Escape(const G4ParticleDefinition* particle, 00049 const G4MaterialCutsCouple* couple, 00050 G4double energy, 00051 G4double safety) const 00052 { 00053 G4bool value = true; 00054 size_t idx = 0; 00055 if(particle == G4Electron::Electron()) idx = 1; 00056 else if(particle == G4Positron::Positron()) idx = 2; 00057 if(idx>0) { 00058 G4double range = G4EnergyLossTables::GetRange(particle,energy,couple); 00059 G4double cut = couple->GetProductionCuts()->GetProductionCut(idx); 00060 G4double rMin = std::min(cut,safety); 00061 value = (range > rMin); 00062 } 00063 return value; 00064 }