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 | // $Id: StepMax.cc,v 1.2 2006/06/29 16:39:16 gunter Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | /////////////////////////////////////////////////////////////////////////// |
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30 | |
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31 | #include "StepMax.hh" |
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32 | // #include "StepMaxMessenger.hh" |
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33 | // #include "Histo.hh" |
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34 | #include "G4VPhysicalVolume.hh" |
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35 | |
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36 | /////////////////////////////////////////////////////////////////////////// |
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37 | |
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38 | StepMax::StepMax(const G4String& processName) |
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39 | : G4VDiscreteProcess(processName), |
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40 | MaxChargedStep(DBL_MAX), |
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41 | thDensity(0.1*gram/cm3), |
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42 | first(true) |
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43 | { |
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44 | // pMess = new StepMaxMessenger(this); |
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45 | // histo = Histo::GetPointer(); |
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46 | } |
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47 | |
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48 | ////////////////////////////////////////////////////////////////////////////// |
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49 | |
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50 | StepMax::~StepMax() |
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51 | { |
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52 | // delete pMess; |
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53 | } |
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54 | |
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55 | //////////////////////////////////////////////////////////////////////////// |
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56 | |
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57 | G4bool StepMax::IsApplicable(const G4ParticleDefinition& particle) |
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58 | { |
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59 | return ( particle.GetPDGCharge() != 0. ); |
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60 | } |
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61 | |
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62 | ///////////////////////////////////////////////////////////////////////////// |
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63 | |
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64 | void StepMax::SetMaxStep(G4double step) {MaxChargedStep = step;} |
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65 | |
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66 | ///////////////////////////////////////////////////////////////////////////// |
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67 | |
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68 | G4double StepMax::PostStepGetPhysicalInteractionLength( |
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69 | const G4Track& aTrack, |
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70 | G4double, |
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71 | G4ForceCondition* condition ) |
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72 | { |
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73 | // condition is set to "Not Forced" |
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74 | *condition = NotForced; |
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75 | ProposedStep = DBL_MAX; |
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76 | |
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77 | if(first) |
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78 | { |
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79 | // checkVolume = histo->CheckVolume(); |
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80 | // gasVolume = histo->GasVolume(); |
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81 | first = false; |
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82 | } |
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83 | |
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84 | G4VPhysicalVolume* pv = aTrack.GetVolume(); |
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85 | |
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86 | if( pv == gasVolume || pv == checkVolume ) ProposedStep = 0.0; |
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87 | |
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88 | else if( (aTrack.GetMaterial())->GetDensity() > thDensity && |
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89 | aTrack.GetPosition().z() < 0.0 ) ProposedStep = MaxChargedStep; |
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90 | |
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91 | return ProposedStep; |
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92 | } |
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93 | |
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94 | //////////////////////////////////////////////////////////////////////////////////// |
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95 | |
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96 | G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&) |
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97 | { |
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98 | aParticleChange.Initialize(aTrack); |
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99 | |
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100 | if ( ProposedStep == 0.0 ) |
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101 | { |
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102 | aParticleChange.ProposeTrackStatus(fStopAndKill); |
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103 | /* |
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104 | if(1 < (Histo::GetPointer())->GetVerbose()) |
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105 | { |
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106 | G4cout << "StepMax: " << aTrack.GetDefinition()->GetParticleName() |
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107 | << " with energy = " << aTrack.GetKineticEnergy()/MeV |
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108 | << " MeV is killed in Check volume at " << aTrack.GetPosition() |
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109 | << G4endl; |
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110 | } |
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111 | */ |
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112 | } |
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113 | return &aParticleChange; |
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114 | } |
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115 | |
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116 | //////////////////////////////////////////////////////////////////////////////////////// |
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