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: G4PVPlacement.cc,v 1.16 2007/04/11 07:56:38 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | // |
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31 | // class G4PVPlacement Implementation |
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32 | // |
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33 | // ---------------------------------------------------------------------- |
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34 | |
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35 | #include "G4PVPlacement.hh" |
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36 | #include "G4AffineTransform.hh" |
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37 | #include "G4UnitsTable.hh" |
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38 | #include "G4LogicalVolume.hh" |
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39 | #include "G4VSolid.hh" |
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40 | |
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41 | // ---------------------------------------------------------------------- |
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42 | // Constructor |
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43 | // |
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44 | G4PVPlacement::G4PVPlacement( G4RotationMatrix *pRot, |
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45 | const G4ThreeVector &tlate, |
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46 | const G4String& pName, |
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47 | G4LogicalVolume *pLogical, |
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48 | G4VPhysicalVolume *pMother, |
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49 | G4bool pMany, |
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50 | G4int pCopyNo, |
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51 | G4bool pSurfChk ) |
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52 | : G4VPhysicalVolume(pRot,tlate,pName,pLogical,pMother), |
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53 | fmany(pMany), fallocatedRotM(false), fcopyNo(pCopyNo) |
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54 | { |
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55 | if (pMother) |
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56 | { |
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57 | G4LogicalVolume* motherLogical = pMother->GetLogicalVolume(); |
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58 | if (pLogical == motherLogical) |
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59 | { |
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60 | G4Exception("G4PVPlacement::G4PVPlacement()", "InvalidSetup", |
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61 | FatalException, "Cannot place a volume inside itself!"); |
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62 | } |
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63 | SetMotherLogical(motherLogical); |
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64 | motherLogical->AddDaughter(this); |
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65 | if (pSurfChk) { CheckOverlaps(); } |
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66 | } |
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67 | } |
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68 | |
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69 | // ---------------------------------------------------------------------- |
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70 | // Constructor |
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71 | // |
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72 | G4PVPlacement::G4PVPlacement( const G4Transform3D &Transform3D, |
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73 | const G4String& pName, |
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74 | G4LogicalVolume *pLogical, |
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75 | G4VPhysicalVolume *pMother, |
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76 | G4bool pMany, |
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77 | G4int pCopyNo, |
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78 | G4bool pSurfChk ) |
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79 | : G4VPhysicalVolume(NewPtrRotMatrix(Transform3D.getRotation().inverse()), |
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80 | Transform3D.getTranslation(),pName,pLogical,pMother), |
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81 | fmany(pMany), fcopyNo(pCopyNo) |
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82 | { |
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83 | fallocatedRotM = (GetRotation() != 0); |
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84 | if (pMother) |
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85 | { |
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86 | G4LogicalVolume* motherLogical = pMother->GetLogicalVolume(); |
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87 | if (pLogical == motherLogical) |
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88 | G4Exception("G4PVPlacement::G4PVPlacement()", "InvalidSetup", |
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89 | FatalException, "Cannot place a volume inside itself!"); |
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90 | SetMotherLogical(motherLogical); |
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91 | motherLogical->AddDaughter(this); |
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92 | if (pSurfChk) { CheckOverlaps(); } |
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93 | } |
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94 | } |
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95 | |
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96 | // ---------------------------------------------------------------------- |
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97 | // Constructor |
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98 | // |
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99 | // The logical volume of the mother is utilised (not the physical) |
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100 | // |
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101 | G4PVPlacement::G4PVPlacement( G4RotationMatrix *pRot, |
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102 | const G4ThreeVector &tlate, |
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103 | G4LogicalVolume *pCurrentLogical, |
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104 | const G4String& pName, |
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105 | G4LogicalVolume *pMotherLogical, |
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106 | G4bool pMany, |
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107 | G4int pCopyNo, |
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108 | G4bool pSurfChk ) |
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109 | : G4VPhysicalVolume(pRot,tlate,pName,pCurrentLogical,0), |
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110 | fmany(pMany), fallocatedRotM(false), fcopyNo(pCopyNo) |
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111 | { |
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112 | if (pCurrentLogical == pMotherLogical) |
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113 | { |
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114 | G4Exception("G4PVPlacement::G4PVPlacement()", "InvalidSetup", |
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115 | FatalException, "Cannot place a volume inside itself!"); |
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116 | } |
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117 | SetMotherLogical(pMotherLogical); |
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118 | if (pMotherLogical) { pMotherLogical->AddDaughter(this); } |
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119 | if ((pSurfChk) && (pMotherLogical)) { CheckOverlaps(); } |
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120 | } |
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121 | |
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122 | |
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123 | // ---------------------------------------------------------------------- |
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124 | // Constructor |
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125 | // |
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126 | G4PVPlacement::G4PVPlacement( const G4Transform3D &Transform3D, |
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127 | G4LogicalVolume *pCurrentLogical, |
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128 | const G4String& pName, |
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129 | G4LogicalVolume *pMotherLogical, |
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130 | G4bool pMany, |
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131 | G4int pCopyNo, |
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132 | G4bool pSurfChk ) |
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133 | : G4VPhysicalVolume(0,Transform3D.getTranslation(),pName,pCurrentLogical,0), |
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134 | fmany(pMany), fcopyNo(pCopyNo) |
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135 | { |
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136 | if (pCurrentLogical == pMotherLogical) |
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137 | { |
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138 | G4Exception("G4PVPlacement::G4PVPlacement()", "InvalidSetup", |
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139 | FatalException, "Cannot place a volume inside itself!"); |
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140 | } |
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141 | SetRotation( NewPtrRotMatrix(Transform3D.getRotation().inverse()) ); |
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142 | fallocatedRotM = (GetRotation() != 0); |
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143 | SetMotherLogical(pMotherLogical); |
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144 | if (pMotherLogical) { pMotherLogical->AddDaughter(this); } |
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145 | if ((pSurfChk) && (pMotherLogical)) { CheckOverlaps(); } |
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146 | } |
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147 | |
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148 | // ---------------------------------------------------------------------- |
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149 | // Fake default constructor - sets only member data and allocates memory |
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150 | // for usage restricted to object persistency. |
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151 | // |
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152 | G4PVPlacement::G4PVPlacement( __void__& a ) |
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153 | : G4VPhysicalVolume(a) |
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154 | { |
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155 | } |
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156 | |
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157 | // ---------------------------------------------------------------------- |
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158 | // Destructor |
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159 | // |
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160 | G4PVPlacement::~G4PVPlacement() |
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161 | { |
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162 | if( fallocatedRotM ){ delete frot; } |
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163 | } |
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164 | |
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165 | // ---------------------------------------------------------------------- |
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166 | // IsMany |
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167 | // |
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168 | G4bool G4PVPlacement::IsMany() const |
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169 | { |
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170 | return fmany; |
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171 | } |
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172 | |
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173 | // ---------------------------------------------------------------------- |
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174 | // GetCopyNo |
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175 | // |
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176 | G4int G4PVPlacement::GetCopyNo() const |
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177 | { |
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178 | return fcopyNo; |
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179 | } |
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180 | |
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181 | // ---------------------------------------------------------------------- |
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182 | // SetCopyNo |
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183 | // |
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184 | void G4PVPlacement::SetCopyNo(G4int newCopyNo) |
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185 | { |
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186 | fcopyNo= newCopyNo; |
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187 | } |
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188 | |
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189 | // ---------------------------------------------------------------------- |
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190 | // IsReplicated |
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191 | // |
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192 | G4bool G4PVPlacement::IsReplicated() const |
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193 | { |
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194 | return false; |
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195 | } |
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196 | |
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197 | // ---------------------------------------------------------------------- |
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198 | // IsParameterised |
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199 | // |
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200 | G4bool G4PVPlacement::IsParameterised() const |
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201 | { |
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202 | return false; |
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203 | } |
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204 | |
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205 | // ---------------------------------------------------------------------- |
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206 | // GetParameterisation |
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207 | // |
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208 | G4VPVParameterisation* G4PVPlacement::GetParameterisation() const |
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209 | { |
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210 | return 0; |
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211 | } |
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212 | |
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213 | // ---------------------------------------------------------------------- |
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214 | // GetReplicationData |
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215 | // |
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216 | void G4PVPlacement:: |
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217 | GetReplicationData( EAxis&, G4int&, G4double&, G4double&, G4bool& ) const |
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218 | { |
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219 | // No-operations |
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220 | } |
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221 | |
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222 | // ---------------------------------------------------------------------- |
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223 | // IsRegularRepeatedStructure |
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224 | // |
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225 | // This is for specialised repeated volumes (replicas, parameterised vol.) |
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226 | // |
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227 | G4bool G4PVPlacement::IsRegularStructure() const |
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228 | { |
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229 | return false; |
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230 | } |
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231 | |
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232 | // ---------------------------------------------------------------------- |
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233 | // IsRegularRepeatedStructure |
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234 | // |
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235 | // This is for specialised repeated volumes (replicas, parameterised vol.) |
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236 | // |
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237 | G4int G4PVPlacement::GetRegularStructureId() const |
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238 | { |
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239 | return 0; |
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240 | } |
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241 | |
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242 | // ---------------------------------------------------------------------- |
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243 | // CheckOverlaps |
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244 | // |
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245 | G4bool G4PVPlacement::CheckOverlaps(G4int res, G4double tol, G4bool verbose) |
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246 | { |
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247 | if (res<=0) { return false; } |
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248 | |
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249 | G4VSolid* solid = GetLogicalVolume()->GetSolid(); |
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250 | G4LogicalVolume* motherLog = GetMotherLogical(); |
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251 | if (!motherLog) { return false; } |
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252 | |
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253 | G4VSolid* motherSolid = motherLog->GetSolid(); |
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254 | |
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255 | if (verbose) |
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256 | { |
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257 | G4cout << "Checking overlaps for volume " << GetName() << " ... "; |
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258 | } |
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259 | |
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260 | // Create the transformation from daughter to mother |
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261 | // |
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262 | G4AffineTransform Tm( GetRotation(), GetTranslation() ); |
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263 | |
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264 | for (G4int n=0; n<res; n++) |
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265 | { |
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266 | // Generate a random point on the solid's surface |
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267 | // |
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268 | G4ThreeVector point = solid->GetPointOnSurface(); |
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269 | |
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270 | // Transform the generated point to the mother's coordinate system |
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271 | // |
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272 | G4ThreeVector mp = Tm.TransformPoint(point); |
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273 | |
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274 | // Checking overlaps with the mother volume |
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275 | // |
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276 | if (motherSolid->Inside(mp)==kOutside) |
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277 | { |
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278 | G4double distin = motherSolid->DistanceToIn(mp); |
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279 | if (distin > tol) |
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280 | { |
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281 | G4cout << G4endl; |
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282 | G4cout << "WARNING - G4PVPlacement::CheckOverlaps()" << G4endl |
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283 | << " Overlap is detected for volume " |
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284 | << GetName() << G4endl |
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285 | << " with its mother volume " |
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286 | << motherLog->GetName() << G4endl |
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287 | << " at mother local point " << mp << ", " |
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288 | << "overlapping by at least: " << G4BestUnit(distin, "Length") |
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289 | << G4endl; |
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290 | G4Exception("G4PVPlacement::CheckOverlaps()", "InvalidSetup", |
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291 | JustWarning, "Overlap with mother volume !"); |
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292 | return true; |
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293 | } |
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294 | } |
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295 | |
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296 | // Checking overlaps with each 'sister' volume |
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297 | // |
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298 | for (G4int i=0; i<motherLog->GetNoDaughters(); i++) |
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299 | { |
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300 | G4VPhysicalVolume* daughter = motherLog->GetDaughter(i); |
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301 | |
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302 | if (daughter == this) { continue; } |
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303 | |
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304 | // Create the transformation for daughter volume and transform point |
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305 | // |
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306 | G4AffineTransform Td( daughter->GetRotation(), |
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307 | daughter->GetTranslation() ); |
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308 | G4ThreeVector md = Td.Inverse().TransformPoint(mp); |
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309 | |
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310 | G4VSolid* daughterSolid = daughter->GetLogicalVolume()->GetSolid(); |
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311 | if (daughterSolid->Inside(md)==kInside) |
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312 | { |
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313 | G4double distout = daughterSolid->DistanceToOut(md); |
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314 | if (distout > tol) |
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315 | { |
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316 | G4cout << G4endl; |
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317 | G4cout << "WARNING - G4PVPlacement::CheckOverlaps()" << G4endl |
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318 | << " Overlap is detected for volume " |
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319 | << GetName() << G4endl |
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320 | << " with " << daughter->GetName() << " volume's" |
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321 | << G4endl |
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322 | << " local point " << md << ", " |
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323 | << "overlapping by at least: " << G4BestUnit(distout,"Length") |
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324 | << G4endl; |
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325 | G4Exception("G4PVPlacement::CheckOverlaps()", "InvalidSetup", |
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326 | JustWarning, "Overlap with volume already placed !"); |
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327 | return true; |
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328 | } |
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329 | } |
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330 | |
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331 | // Now checking that 'sister' volume is not totally included and |
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332 | // overlapping. Do it only once, for the first point generated |
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333 | // |
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334 | if (n==0) |
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335 | { |
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336 | // Generate a single point on the surface of the 'sister' volume |
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337 | // and verify that the point is NOT inside the current volume |
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338 | |
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339 | G4ThreeVector dPoint = daughterSolid->GetPointOnSurface(); |
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340 | |
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341 | // Transform the generated point to the mother's coordinate system |
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342 | // and finally to current volume's coordinate system |
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343 | // |
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344 | G4ThreeVector mp2 = Td.TransformPoint(dPoint); |
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345 | G4ThreeVector ms = Tm.Inverse().TransformPoint(mp2); |
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346 | |
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347 | if (solid->Inside(ms)==kInside) |
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348 | { |
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349 | G4cout << G4endl; |
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350 | G4cout << "WARNING - G4PVPlacement::CheckOverlaps()" << G4endl |
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351 | << " Overlap is detected for volume " |
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352 | << GetName() << G4endl |
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353 | << " apparently fully encapsulating volume " |
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354 | << daughter->GetName() << G4endl |
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355 | << " at the same level !" << G4endl; |
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356 | G4Exception("G4PVPlacement::CheckOverlaps()", "InvalidSetup", |
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357 | JustWarning, "Overlap with volume already placed !"); |
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358 | return true; |
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359 | } |
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360 | } |
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361 | } |
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362 | } |
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363 | |
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364 | if (verbose) |
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365 | { |
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366 | G4cout << "OK! " << G4endl; |
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367 | } |
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368 | |
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369 | return false; |
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370 | } |
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371 | |
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372 | // ---------------------------------------------------------------------- |
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373 | // NewPtrRotMatrix |
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374 | // |
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375 | // Auxiliary function for 2nd & 4th constructors (those with G4Transform3D) |
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376 | // Creates a new rotation matrix on the heap (using "new") and copies its |
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377 | // argument into it. |
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378 | // |
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379 | // NOTE: Ownership of the returned pointer is left to the caller ! |
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380 | // No entity is currently responsible to delete this memory. |
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381 | // |
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382 | G4RotationMatrix* |
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383 | G4PVPlacement::NewPtrRotMatrix(const G4RotationMatrix &RotMat) |
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384 | { |
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385 | G4RotationMatrix *pRotMatrix; |
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386 | if ( RotMat.isIdentity() ) |
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387 | { |
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388 | pRotMatrix = 0; |
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389 | } |
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390 | else |
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391 | { |
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392 | pRotMatrix = new G4RotationMatrix(RotMat); |
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393 | } |
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394 | // fallocatedRotM= ! (RotMat.isIdentity()); |
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395 | |
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396 | return pRotMatrix; |
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397 | } |
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