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: G4VoxelNavigation.icc,v 1.4 2006/06/29 18:36:30 gunter 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 G4VoxelNavigation Inline implementation |
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32 | // |
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33 | // -------------------------------------------------------------------- |
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34 | |
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35 | // ******************************************************************** |
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36 | // VoxelLocate |
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37 | // ******************************************************************** |
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38 | // |
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39 | inline |
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40 | G4SmartVoxelNode* |
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41 | G4VoxelNavigation::VoxelLocate( G4SmartVoxelHeader* pHead, |
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42 | const G4ThreeVector& localPoint ) |
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43 | { |
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44 | G4SmartVoxelHeader *targetVoxelHeader=pHead; |
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45 | G4SmartVoxelNode *targetVoxelNode=0; |
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46 | G4SmartVoxelProxy *sampleProxy; |
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47 | EAxis targetHeaderAxis; |
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48 | G4double targetHeaderMin, targetHeaderNodeWidth; |
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49 | G4int targetHeaderNoSlices, targetNodeNo; |
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50 | |
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51 | fVoxelDepth = 0; |
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52 | |
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53 | while ( !targetVoxelNode ) |
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54 | { |
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55 | targetHeaderAxis = targetVoxelHeader->GetAxis(); |
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56 | targetHeaderNoSlices = targetVoxelHeader->GetNoSlices(); |
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57 | targetHeaderMin = targetVoxelHeader->GetMinExtent(); |
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58 | targetHeaderNodeWidth = (targetVoxelHeader->GetMaxExtent()-targetHeaderMin) |
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59 | / targetHeaderNoSlices; |
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60 | targetNodeNo = G4int( (localPoint(targetHeaderAxis)-targetHeaderMin) |
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61 | / targetHeaderNodeWidth); |
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62 | // Rounding protection |
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63 | // |
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64 | if ( targetNodeNo<0 ) |
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65 | { |
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66 | targetNodeNo = 0; |
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67 | } |
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68 | else if ( targetNodeNo>=targetHeaderNoSlices ) |
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69 | { |
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70 | targetNodeNo = targetHeaderNoSlices-1; |
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71 | } |
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72 | // Stack info for stepping |
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73 | // |
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74 | fVoxelAxisStack[fVoxelDepth] = targetHeaderAxis; |
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75 | fVoxelNoSlicesStack[fVoxelDepth] = targetHeaderNoSlices; |
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76 | fVoxelSliceWidthStack[fVoxelDepth] = targetHeaderNodeWidth; |
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77 | fVoxelNodeNoStack[fVoxelDepth] = targetNodeNo; |
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78 | fVoxelHeaderStack[fVoxelDepth] = targetVoxelHeader; |
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79 | sampleProxy = targetVoxelHeader->GetSlice(targetNodeNo); |
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80 | |
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81 | if ( sampleProxy->IsNode() ) |
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82 | { |
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83 | targetVoxelNode = sampleProxy->GetNode(); |
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84 | } |
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85 | else |
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86 | { |
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87 | targetVoxelHeader = sampleProxy->GetHeader(); |
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88 | fVoxelDepth++; |
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89 | } |
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90 | } |
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91 | fVoxelNode = targetVoxelNode; |
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92 | return targetVoxelNode; |
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93 | } |
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94 | |
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95 | // ******************************************************************** |
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96 | // LevelLocate |
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97 | // ******************************************************************** |
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98 | // |
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99 | inline |
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100 | G4bool |
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101 | G4VoxelNavigation::LevelLocate( G4NavigationHistory& history, |
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102 | const G4VPhysicalVolume* blockedVol, |
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103 | const G4int, |
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104 | const G4ThreeVector& globalPoint, |
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105 | const G4ThreeVector* globalDirection, |
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106 | const G4bool pLocatedOnEdge, |
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107 | G4ThreeVector& localPoint ) |
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108 | { |
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109 | G4SmartVoxelHeader *targetVoxelHeader; |
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110 | G4SmartVoxelNode *targetVoxelNode; |
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111 | G4VPhysicalVolume *targetPhysical, *samplePhysical; |
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112 | G4LogicalVolume *targetLogical; |
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113 | G4VSolid *sampleSolid; |
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114 | G4ThreeVector samplePoint; |
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115 | G4int targetNoDaughters; |
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116 | |
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117 | targetPhysical = history.GetTopVolume(); |
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118 | targetLogical = targetPhysical->GetLogicalVolume(); |
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119 | targetVoxelHeader = targetLogical->GetVoxelHeader(); |
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120 | |
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121 | // Find the voxel containing the point |
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122 | // |
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123 | targetVoxelNode = VoxelLocate(targetVoxelHeader,localPoint); |
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124 | |
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125 | targetNoDaughters=targetVoxelNode->GetNoContained(); |
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126 | if ( targetNoDaughters==0 ) return false; |
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127 | |
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128 | // |
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129 | // Search daughters in volume |
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130 | // |
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131 | |
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132 | for ( register int sampleNo=targetNoDaughters-1; sampleNo>=0; sampleNo-- ) |
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133 | { |
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134 | samplePhysical = targetLogical-> |
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135 | GetDaughter(targetVoxelNode->GetVolume(sampleNo)); |
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136 | if ( samplePhysical!=blockedVol ) |
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137 | { |
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138 | // Setup history |
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139 | // |
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140 | history.NewLevel(samplePhysical, kNormal, samplePhysical->GetCopyNo()); |
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141 | sampleSolid = samplePhysical->GetLogicalVolume()->GetSolid(); |
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142 | samplePoint = history.GetTopTransform().TransformPoint(globalPoint); |
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143 | |
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144 | if( G4AuxiliaryNavServices::CheckPointOnSurface(sampleSolid, |
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145 | samplePoint, |
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146 | globalDirection, |
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147 | history.GetTopTransform(), |
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148 | pLocatedOnEdge) ) |
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149 | { |
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150 | // Enter this daughter |
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151 | // |
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152 | localPoint = samplePoint; |
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153 | return true; |
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154 | } |
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155 | else |
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156 | { |
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157 | history.BackLevel(); |
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158 | } |
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159 | } |
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160 | } |
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161 | return false; |
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162 | } |
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163 | |
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164 | // ******************************************************************** |
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165 | // GetVerboseLevel |
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166 | // ******************************************************************** |
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167 | // |
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168 | inline |
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169 | G4int G4VoxelNavigation::GetVerboseLevel() const |
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170 | { |
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171 | return fVerbose; |
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172 | } |
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173 | |
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174 | // ******************************************************************** |
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175 | // SetVerboseLevel |
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176 | // ******************************************************************** |
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177 | // |
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178 | inline |
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179 | void G4VoxelNavigation::SetVerboseLevel(G4int level) |
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180 | { |
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181 | fVerbose = level; |
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182 | } |
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183 | |
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184 | // ******************************************************************** |
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185 | // CheckMode |
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186 | // ******************************************************************** |
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187 | // |
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188 | inline |
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189 | void G4VoxelNavigation::CheckMode(G4bool mode) |
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190 | { |
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191 | fCheck = mode; |
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192 | } |
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