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: G4DrawVoxels.cc,v 1.4 2006/06/29 18:36:34 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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29 | // |
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30 | // |
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31 | // class G4DrawVoxels |
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32 | // |
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33 | // Implementation |
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34 | // |
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35 | // Define G4DrawVoxelsDebug for debugging information on G4cout |
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36 | // |
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37 | // History: |
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38 | // 03/08/1999 The G4VisAttributes have been made member data for |
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39 | // lifetime reasons / visualisation L.G |
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40 | // 29/07/1999 first comitted version L.G. |
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41 | // -------------------------------------------------------------------- |
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42 | |
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43 | #include "G4DrawVoxels.hh" |
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44 | #include "G4AffineTransform.hh" |
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45 | #include "G4SmartVoxelHeader.hh" |
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46 | #include "G4LogicalVolume.hh" |
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47 | #include "G4VSolid.hh" |
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48 | #include "G4VVisManager.hh" |
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49 | #include "G4Colour.hh" |
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50 | #include "G4TransportationManager.hh" |
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51 | #include "G4TouchableHistoryHandle.hh" |
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52 | |
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53 | #define voxel_width 0 |
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54 | |
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55 | // Private Constructor |
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56 | // |
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57 | G4DrawVoxels::G4DrawVoxels() |
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58 | { |
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59 | fVoxelsVisAttributes[0].SetColour(G4Colour(1.,0.,0.)); |
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60 | fVoxelsVisAttributes[1].SetColour(G4Colour(0.,1.,0.)); |
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61 | fVoxelsVisAttributes[2].SetColour(G4Colour(0.,0.,1.)); |
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62 | fBoundingBoxVisAttributes.SetColour(G4Colour(.3,0.,.2)); |
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63 | } |
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64 | |
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65 | // Destructor |
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66 | // |
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67 | G4DrawVoxels::~G4DrawVoxels() |
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68 | { |
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69 | } |
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70 | |
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71 | // Methods that allow changing colors of the drawing |
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72 | // |
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73 | void G4DrawVoxels::SetVoxelsVisAttributes(G4VisAttributes& VA_voxelX, |
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74 | G4VisAttributes& VA_voxelY, |
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75 | G4VisAttributes& VA_voxelZ) |
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76 | { |
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77 | fVoxelsVisAttributes[0]=VA_voxelX; |
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78 | fVoxelsVisAttributes[1]=VA_voxelY; |
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79 | fVoxelsVisAttributes[2]=VA_voxelZ; |
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80 | } |
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81 | |
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82 | void G4DrawVoxels::SetBoundingBoxVisAttributes(G4VisAttributes& VA_boundingbox) |
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83 | { |
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84 | fBoundingBoxVisAttributes=VA_boundingbox; |
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85 | } |
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86 | |
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87 | // *************************************************************** |
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88 | |
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89 | void |
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90 | G4DrawVoxels::ComputeVoxelPolyhedra(const G4LogicalVolume* lv, |
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91 | const G4SmartVoxelHeader* header, |
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92 | G4VoxelLimits& limit, |
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93 | G4PlacedPolyhedronList* ppl) const |
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94 | { |
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95 | // Let's draw the selected voxelisation now ! |
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96 | |
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97 | G4VSolid* solid=lv->GetSolid(); |
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98 | |
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99 | G4double dx=kInfinity,dy=kInfinity,dz=kInfinity; |
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100 | G4double xmax=0,xmin=0,ymax=0,ymin=0,zmax=0,zmin=0; |
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101 | |
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102 | if (lv->GetNoDaughters()<=0) |
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103 | { |
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104 | return; |
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105 | } |
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106 | |
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107 | // Let's get the data for the voxelisation |
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108 | |
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109 | solid->CalculateExtent(kXAxis,limit,G4AffineTransform(),xmin,xmax); |
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110 | // G4AffineTransform() is identity |
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111 | solid->CalculateExtent(kYAxis,limit,G4AffineTransform(),ymin,ymax); |
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112 | // extents according to the axis of the local frame |
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113 | solid->CalculateExtent(kZAxis,limit,G4AffineTransform(),zmin,zmax); |
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114 | dx=xmax-xmin; |
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115 | dy=ymax-ymin; |
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116 | dz=zmax-zmin; |
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117 | |
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118 | // Preparing the colored bounding polyhedronBox for the pVolume |
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119 | // |
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120 | G4PolyhedronBox bounding_polyhedronBox(dx*0.5,dy*0.5,dz*0.5); |
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121 | bounding_polyhedronBox.SetVisAttributes(&fBoundingBoxVisAttributes); |
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122 | G4ThreeVector t_centerofBoundingBox((xmin+xmax)*0.5, |
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123 | (ymin+ymax)*0.5, |
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124 | (zmin+zmax)*0.5); |
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125 | |
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126 | ppl->push_back(G4PlacedPolyhedron(bounding_polyhedronBox, |
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127 | G4Translate3D(t_centerofBoundingBox))); |
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128 | |
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129 | G4ThreeVector t_FirstCenterofVoxelPlane; |
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130 | const G4VisAttributes* voxelsVisAttributes=0; |
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131 | |
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132 | G4ThreeVector unit_translation_vector; |
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133 | G4ThreeVector current_translation_vector; |
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134 | |
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135 | switch(header->GetAxis()) |
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136 | { |
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137 | case kXAxis: |
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138 | dx=voxel_width; |
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139 | unit_translation_vector=G4ThreeVector(1,0,0); |
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140 | t_FirstCenterofVoxelPlane=G4ThreeVector(xmin,(ymin+ymax)*0.5, |
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141 | (zmin+zmax)*0.5); |
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142 | voxelsVisAttributes=&fVoxelsVisAttributes[0]; |
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143 | break; |
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144 | case kYAxis: |
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145 | dy=voxel_width; |
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146 | t_FirstCenterofVoxelPlane=G4ThreeVector((xmin+xmax)*0.5,ymin, |
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147 | (zmin+zmax)*0.5); |
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148 | unit_translation_vector=G4ThreeVector(0,1,0); |
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149 | voxelsVisAttributes=&fVoxelsVisAttributes[1]; |
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150 | break; |
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151 | case kZAxis: |
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152 | dz=voxel_width; |
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153 | t_FirstCenterofVoxelPlane=G4ThreeVector((xmin+xmax)*0.5, |
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154 | (ymin+ymax)*0.5,zmin); |
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155 | unit_translation_vector=G4ThreeVector(0,0,1); |
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156 | voxelsVisAttributes=&fVoxelsVisAttributes[2]; |
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157 | break; |
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158 | default: |
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159 | break; |
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160 | }; |
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161 | |
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162 | G4PolyhedronBox voxel_plane(dx*0.5,dy*0.5,dz*0.5); |
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163 | voxel_plane.SetVisAttributes(voxelsVisAttributes); |
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164 | |
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165 | G4SmartVoxelProxy* slice=header->GetSlice(0); |
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166 | G4int slice_no=0,no_slices=header->GetNoSlices(); |
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167 | G4double beginning=header->GetMinExtent(), |
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168 | step=(header->GetMaxExtent()-beginning)/no_slices; |
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169 | |
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170 | while (slice_no<no_slices) |
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171 | { |
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172 | if (slice->IsHeader()) |
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173 | { |
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174 | G4VoxelLimits newlimit(limit); |
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175 | newlimit.AddLimit(header->GetAxis(),beginning+step*slice_no, |
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176 | beginning+step*(slice->GetHeader()->GetMaxEquivalentSliceNo()+1)); |
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177 | ComputeVoxelPolyhedra(lv,slice->GetHeader(),newlimit,ppl); |
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178 | } |
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179 | current_translation_vector=unit_translation_vector; |
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180 | current_translation_vector*=step*slice_no; |
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181 | |
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182 | ppl->push_back(G4PlacedPolyhedron(voxel_plane, |
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183 | G4Translate3D(current_translation_vector |
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184 | +t_FirstCenterofVoxelPlane))); |
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185 | slice_no=(slice->IsHeader() |
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186 | ? slice->GetHeader()->GetMaxEquivalentSliceNo()+1 |
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187 | : slice->GetNode()->GetMaxEquivalentSliceNo()+1); |
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188 | if (slice_no<no_slices) { slice=header->GetSlice(slice_no); } |
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189 | } |
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190 | } |
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191 | |
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192 | // ######################################################################## |
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193 | |
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194 | G4PlacedPolyhedronList* |
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195 | G4DrawVoxels::CreatePlacedPolyhedra(const G4LogicalVolume* lv) const |
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196 | { |
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197 | G4PlacedPolyhedronList* pplist=new G4PlacedPolyhedronList; |
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198 | G4VoxelLimits limits; // Working object for recursive call. |
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199 | ComputeVoxelPolyhedra(lv,lv->GetVoxelHeader(),limits,pplist); |
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200 | return pplist; //it s up to the calling program to destroy it then! |
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201 | } |
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202 | |
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203 | void G4DrawVoxels::DrawVoxels(const G4LogicalVolume* lv) const |
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204 | { |
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205 | G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance(); |
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206 | |
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207 | if (lv->GetNoDaughters()<=0) |
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208 | { |
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209 | return; |
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210 | } |
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211 | |
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212 | // Computing the transformation according to the world volume |
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213 | // (the drawing is directly in the world volume while the axis |
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214 | // are relative to the mother volume of lv's daughter.) |
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215 | |
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216 | G4TouchableHistoryHandle aTouchable = |
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217 | G4TransportationManager::GetTransportationManager()-> |
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218 | GetNavigatorForTracking()->CreateTouchableHistoryHandle(); |
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219 | G4AffineTransform globTransform = |
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220 | aTouchable->GetHistory()->GetTopTransform().Inverse(); |
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221 | G4Transform3D transf3D(globTransform.NetRotation(), |
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222 | globTransform.NetTranslation()); |
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223 | |
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224 | G4PlacedPolyhedronList* pplist=CreatePlacedPolyhedra(lv); |
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225 | if(pVVisManager) |
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226 | { |
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227 | // Drawing the bounding and voxel polyhedra for the pVolume |
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228 | // |
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229 | for (size_t i=0;i<pplist->size();i++) |
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230 | { |
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231 | pVVisManager->Draw((*pplist)[i].GetPolyhedron(), |
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232 | (*pplist)[i].GetTransform()*transf3D); |
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233 | } |
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234 | } |
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235 | else |
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236 | { |
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237 | G4cerr << "ERROR - G4DrawVoxels::DrawVoxels()" << G4endl |
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238 | << " Pointer to visualization manager is null!" |
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239 | << G4endl; |
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240 | G4Exception("G4DrawVoxels::DrawVoxels()", |
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241 | "NotApplicable", JustWarning, |
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242 | "Pointer to visualization manager is null!"); |
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243 | } |
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244 | delete pplist; |
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245 | } |
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