1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4RangeTest.cc,v 1.9 2009/06/10 13:32:36 mantero Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch) |
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31 | // |
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32 | // History: |
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33 | // ----------- |
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34 | // 05 Oct 2001 MGP Created |
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35 | // 21 Jan 2003 VI Cut per region |
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36 | // |
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37 | // ------------------------------------------------------------------- |
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38 | |
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39 | #include "G4RangeTest.hh" |
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40 | #include "G4ParticleDefinition.hh" |
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41 | #include "G4MaterialCutsCouple.hh" |
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42 | #include "G4EnergyLossTables.hh" |
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43 | #include "G4Electron.hh" |
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44 | #include "G4Positron.hh" |
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45 | |
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46 | G4RangeTest::~G4RangeTest() |
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47 | { } |
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48 | |
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49 | G4bool G4RangeTest::Escape(const G4ParticleDefinition* particle, |
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50 | const G4MaterialCutsCouple* couple, |
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51 | G4double energy, |
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52 | G4double safety) const |
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53 | { |
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54 | G4bool value = true; |
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55 | size_t idx = 0; |
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56 | if(particle == G4Electron::Electron()) idx = 1; |
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57 | else if(particle == G4Positron::Positron()) idx = 2; |
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58 | if(idx>0) { |
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59 | G4double range = G4EnergyLossTables::GetRange(particle,energy,couple); |
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60 | G4double cut = couple->GetProductionCuts()->GetProductionCut(idx); |
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61 | G4double rMin = std::min(cut,safety); |
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62 | value = (range > rMin); |
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63 | } |
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64 | return value; |
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65 | } |
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