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: G4ParticleChangeForMSC.cc,v 1.13 2006/06/29 21:15:09 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // |
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31 | // -------------------------------------------------------------- |
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32 | // GEANT 4 class implementation file |
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33 | // |
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34 | // |
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35 | // |
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36 | // ------------------------------------------------------------ |
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37 | // Implemented for the new scheme 23 Mar. 1998 H.Kurahige |
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38 | // Update for model variant of msc 16 Jan 2004 V.Ivanchenko |
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39 | // -------------------------------------------------------------- |
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40 | |
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41 | #include "G4ParticleChangeForMSC.hh" |
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42 | #include "G4Track.hh" |
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43 | #include "G4Step.hh" |
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44 | #include "G4DynamicParticle.hh" |
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45 | #include "G4ExceptionSeverity.hh" |
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46 | |
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47 | G4ParticleChangeForMSC::G4ParticleChangeForMSC():G4VParticleChange() |
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48 | { |
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49 | #ifdef G4VERBOSE |
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50 | if (verboseLevel>2) { |
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51 | G4cout << "G4ParticleChangeForMSC::G4ParticleChangeForMSC() " << G4endl; |
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52 | } |
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53 | #endif |
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54 | } |
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55 | |
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56 | G4ParticleChangeForMSC::~G4ParticleChangeForMSC() |
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57 | { |
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58 | #ifdef G4VERBOSE |
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59 | if (verboseLevel>2) { |
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60 | G4cout << "G4ParticleChangeForMSC::~G4ParticleChangeForMSC() " << G4endl; |
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61 | } |
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62 | #endif |
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63 | } |
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64 | |
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65 | G4ParticleChangeForMSC::G4ParticleChangeForMSC( |
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66 | const G4ParticleChangeForMSC &right): G4VParticleChange(right) |
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67 | { |
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68 | if (verboseLevel>1) { |
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69 | G4cout << "G4ParticleChangeForMSC:: copy constructor is called " << G4endl; |
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70 | } |
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71 | theMomentumDirection = right.theMomentumDirection; |
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72 | thePosition = right.thePosition; |
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73 | } |
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74 | |
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75 | // assignment operator |
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76 | G4ParticleChangeForMSC & G4ParticleChangeForMSC::operator=( |
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77 | const G4ParticleChangeForMSC &right) |
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78 | { |
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79 | if (verboseLevel>1) { |
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80 | G4cout << "G4ParticleChangeForMSC:: assignment operator is called " << G4endl; |
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81 | } |
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82 | if (this != &right) |
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83 | { |
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84 | theListOfSecondaries = right.theListOfSecondaries; |
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85 | theSizeOftheListOfSecondaries = right.theSizeOftheListOfSecondaries; |
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86 | theNumberOfSecondaries = right.theNumberOfSecondaries; |
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87 | theStatusChange = right.theStatusChange; |
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88 | theLocalEnergyDeposit = right.theLocalEnergyDeposit; |
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89 | theSteppingControlFlag = right.theSteppingControlFlag; |
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90 | theTrueStepLength = right.theTrueStepLength; |
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91 | |
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92 | theMomentumDirection = right.theMomentumDirection; |
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93 | thePosition = right.thePosition; |
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94 | } |
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95 | return *this; |
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96 | } |
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97 | |
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98 | //---------------------------------------------------------------- |
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99 | // methods for updating G4Step |
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100 | // |
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101 | |
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102 | G4Step* G4ParticleChangeForMSC::UpdateStepForAlongStep(G4Step* pStep) |
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103 | { |
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104 | // Update the G4Step specific attributes |
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105 | pStep->SetStepLength(theTrueStepLength); |
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106 | theStatusChange = pStep->GetTrack()->GetTrackStatus(); |
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107 | return pStep; |
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108 | } |
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109 | |
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110 | G4Step* G4ParticleChangeForMSC::UpdateStepForPostStep(G4Step* pStep) |
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111 | { |
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112 | // A physics process always calculates the final state of the particle |
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113 | G4StepPoint* pPostStepPoint = pStep->GetPostStepPoint(); |
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114 | |
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115 | // update momentum direction |
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116 | pPostStepPoint->SetMomentumDirection(theMomentumDirection); |
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117 | |
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118 | // update position |
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119 | pPostStepPoint->SetPosition( thePosition ); |
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120 | |
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121 | // Update the G4Step specific attributes |
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122 | return pStep; |
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123 | } |
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124 | |
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125 | |
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126 | //---------------------------------------------------------------- |
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127 | // methods for printing messages |
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128 | // |
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129 | |
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130 | void G4ParticleChangeForMSC::DumpInfo() const |
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131 | { |
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132 | // use base-class DumpInfo |
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133 | G4VParticleChange::DumpInfo(); |
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134 | |
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135 | G4cout.precision(3); |
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136 | G4cout << " Position - x (mm) : " |
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137 | << std::setw(20) << thePosition.x()/mm |
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138 | << G4endl; |
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139 | G4cout << " Position - y (mm) : " |
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140 | << std::setw(20) << thePosition.y()/mm |
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141 | << G4endl; |
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142 | G4cout << " Position - z (mm) : " |
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143 | << std::setw(20) << thePosition.z()/mm |
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144 | << G4endl; |
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145 | G4cout << " Momentum Direct - x : " |
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146 | << std::setw(20) << theMomentumDirection.x() |
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147 | << G4endl; |
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148 | G4cout << " Momentum Direct - y : " |
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149 | << std::setw(20) << theMomentumDirection.y() |
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150 | << G4endl; |
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151 | G4cout << " Momentum Direct - z : " |
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152 | << std::setw(20) << theMomentumDirection.z() |
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153 | << G4endl; |
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154 | } |
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155 | |
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156 | |
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157 | G4bool G4ParticleChangeForMSC::CheckIt(const G4Track& aTrack) |
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158 | { |
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159 | G4bool itsOK = true; |
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160 | G4bool exitWithError = false; |
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161 | |
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162 | G4double accuracy; |
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163 | |
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164 | // check |
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165 | |
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166 | // MomentumDirection should be unit vector |
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167 | accuracy = std::abs(theMomentumDirection.mag2()-1.0); |
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168 | if (accuracy > accuracyForWarning) { |
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169 | #ifdef G4VERBOSE |
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170 | G4cout << " G4ParticleChangeForMSC::CheckIt : "; |
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171 | G4cout << "the Momentum Change is not unit vector !!" << G4endl; |
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172 | G4cout << " Difference: " << accuracy << G4endl; |
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173 | #endif |
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174 | itsOK = false; |
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175 | if (accuracy > accuracyForException) exitWithError = true; |
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176 | } |
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177 | |
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178 | // dump out information of this particle change |
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179 | #ifdef G4VERBOSE |
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180 | if (!itsOK) { |
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181 | G4cout << " G4ParticleChangeForMSC::CheckIt " <<G4endl; |
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182 | DumpInfo(); |
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183 | } |
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184 | #endif |
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185 | |
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186 | // Exit with error |
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187 | if (exitWithError) { |
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188 | G4Exception("G4ParticleChangeForMSC::CheckIt", |
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189 | "300", |
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190 | EventMustBeAborted, |
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191 | "momentum direction was illegal"); |
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192 | } |
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193 | //correction |
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194 | if (!itsOK) { |
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195 | G4double vmag = theMomentumDirection.mag(); |
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196 | theMomentumDirection = (1./vmag)*theMomentumDirection; |
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197 | } |
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198 | |
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199 | itsOK = (itsOK) && G4VParticleChange::CheckIt(aTrack); |
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200 | return itsOK; |
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201 | } |
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202 | |
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203 | |
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204 | |
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205 | |
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