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: G4UserSpecialCuts.cc,v 1.17 2007/06/01 07:53:27 ahoward Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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29 | // |
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30 | // -------------------------------------------------------------- |
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31 | // History |
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32 | // |
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33 | // 15-04-98 first implementation, mma |
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34 | // 07-04-03 migrade to cut per region (V.Ivanchenko) |
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35 | // 18-09-03 substitute manager for the loss tables (V.Ivanchenko) |
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36 | // 23-01-04 add protection for charged geantino in range cut (H.Kurashige) |
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37 | // 09-09-04 tracking cut applied only if Rmin or Emin > DBL_MIN |
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38 | // -------------------------------------------------------------- |
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39 | |
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40 | #include "G4UserSpecialCuts.hh" |
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41 | |
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42 | #include "G4Step.hh" |
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43 | #include "G4UserLimits.hh" |
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44 | #include "G4VParticleChange.hh" |
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45 | #include "G4LossTableManager.hh" |
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46 | |
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47 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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48 | |
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49 | G4UserSpecialCuts::G4UserSpecialCuts(const G4String& aName) |
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50 | : G4VProcess(aName) |
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51 | { |
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52 | if (verboseLevel>0) |
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53 | { |
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54 | G4cout << GetProcessName() << " is created "<< G4endl; |
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55 | } |
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56 | theLossTableManager = G4LossTableManager::Instance(); |
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57 | } |
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58 | |
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59 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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60 | |
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61 | G4UserSpecialCuts::~G4UserSpecialCuts() |
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62 | { |
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63 | } |
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64 | |
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65 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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66 | |
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67 | G4UserSpecialCuts::G4UserSpecialCuts(G4UserSpecialCuts& right) |
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68 | : G4VProcess(right) |
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69 | { |
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70 | } |
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71 | |
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72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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73 | |
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74 | G4double G4UserSpecialCuts:: |
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75 | PostStepGetPhysicalInteractionLength( const G4Track& aTrack, |
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76 | G4double, // previousStepSize |
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77 | G4ForceCondition* condition ) |
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78 | { |
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79 | // condition is set to "Not Forced" |
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80 | *condition = NotForced; |
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81 | |
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82 | G4double ProposedStep = DBL_MAX; |
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83 | G4UserLimits* pUserLimits = |
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84 | aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits(); |
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85 | if (pUserLimits) |
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86 | { |
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87 | // max track length |
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88 | // |
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89 | ProposedStep = (pUserLimits->GetUserMaxTrackLength(aTrack) |
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90 | - aTrack.GetTrackLength()); |
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91 | if (ProposedStep < 0.) return 0.; |
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92 | |
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93 | // max time limit |
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94 | // |
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95 | G4double beta = (aTrack.GetDynamicParticle()->GetTotalMomentum()) |
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96 | /(aTrack.GetTotalEnergy()); |
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97 | G4double dTime = (pUserLimits->GetUserMaxTime(aTrack) |
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98 | - aTrack.GetGlobalTime()); |
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99 | G4double temp = beta*c_light*dTime; |
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100 | if (temp < 0.) return 0.; |
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101 | if (ProposedStep > temp) ProposedStep = temp; |
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102 | |
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103 | // min remaining range |
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104 | // (only for charged particle except for chargedGeantino) |
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105 | // |
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106 | G4ParticleDefinition* Particle = aTrack.GetDefinition(); |
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107 | if ( (Particle->GetPDGCharge() != 0.) |
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108 | && (Particle->GetParticleType() != "geantino")) |
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109 | { |
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110 | G4double Ekine = aTrack.GetKineticEnergy(); |
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111 | const G4MaterialCutsCouple* couple = aTrack.GetMaterialCutsCouple(); |
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112 | G4double RangeNow = theLossTableManager->GetRange(Particle,Ekine,couple); |
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113 | G4double Rmin = pUserLimits->GetUserMinRange(aTrack); |
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114 | if (Rmin > DBL_MIN) { |
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115 | temp = RangeNow - Rmin; |
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116 | if (temp < 0.) return 0.; |
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117 | if (ProposedStep > temp) ProposedStep = temp; |
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118 | } |
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119 | |
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120 | // min kinetic energy (only for charged particle) |
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121 | // |
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122 | G4double Emin = pUserLimits->GetUserMinEkine(aTrack); |
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123 | if (Emin > DBL_MIN) { |
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124 | Rmin = theLossTableManager->GetRange(Particle,Emin,couple); |
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125 | temp = RangeNow - Rmin; |
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126 | if (temp < 0.) return 0.; |
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127 | if (ProposedStep > temp) ProposedStep = temp; |
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128 | } |
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129 | } |
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130 | } |
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131 | return ProposedStep; |
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132 | } |
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133 | |
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134 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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135 | |
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136 | G4VParticleChange* |
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137 | G4UserSpecialCuts::PostStepDoIt( const G4Track& aTrack, |
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138 | const G4Step& ) |
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139 | // |
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140 | // Kill the current particle, if requested by G4UserLimits |
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141 | // |
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142 | { |
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143 | aParticleChange.Initialize(aTrack); |
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144 | aParticleChange.ProposeEnergy(0.) ; |
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145 | aParticleChange.ProposeLocalEnergyDeposit(aTrack.GetKineticEnergy()) ; |
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146 | aParticleChange.ProposeTrackStatus(fStopAndKill); |
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147 | return &aParticleChange; |
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148 | } |
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149 | |
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150 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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