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annotate OrthancStone/Resources/Graveyard/RTStructTentativeReimplementation-BGO/DicomStructureSet-BGO.cpp @ 1966:a5f0b395d4df

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Fix issues with drag-and-drop, upgraded Vue.js to 2.6.4
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 28 Oct 2022 09:02:16 +0200
parents affde38b84de
children
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1908
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1 namespace OrthancStone
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2 {
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3 static RtStructRectangleInSlab CreateRectangle(float x1, float y1,
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4 float x2, float y2)
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5 {
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6 RtStructRectangleInSlab rect;
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7 rect.xmin = std::min(x1, x2);
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8 rect.xmax = std::max(x1, x2);
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9 rect.ymin = std::min(y1, y2);
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10 rect.ymax = std::max(y1, y2);
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11 return rect;
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12 }
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13
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14 bool CompareRectanglesForProjection(const std::pair<RtStructRectangleInSlab,double>& r1,
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15 const std::pair<RtStructRectangleInSlab, double>& r2)
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16 {
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17 return r1.second < r2.second;
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18 }
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19
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20 bool CompareSlabsY(const RtStructRectanglesInSlab& r1,
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21 const RtStructRectanglesInSlab& r2)
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22 {
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23 if ((r1.size() == 0) || (r2.size() == 0))
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24 return false;
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25
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26 return r1[0].ymax < r2[0].ymax;
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27 }
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28 }
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29
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30
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31 bool DicomStructureSet::ProjectStructure(std::vector< std::vector<ScenePoint2D> >& chains,
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32 const Structure& structure,
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33 const CoordinateSystem3D& sourceSlice) const
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34 {
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35
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36 // FOR SAGITTAL AND CORONAL
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37
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38
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39 // this will contain the intersection of the polygon slab with
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40 // the cutting plane, projected on the cutting plane coord system
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41 // (that yields a rectangle) + the Z coordinate of the polygon
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42 // (this is required to group polygons with the same Z later)
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43 std::vector<std::pair<RtStructRectangleInSlab, double> > projected;
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44
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45 for (Polygons::const_iterator polygon = structure.polygons_.begin();
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46 polygon != structure.polygons_.end(); ++polygon)
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47 {
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48 double x1, y1, x2, y2;
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49
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50 if (polygon->Project(x1, y1, x2, y2, slice, GetEstimatedNormal(), GetEstimatedSliceThickness()))
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51 {
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52 double curZ = polygon->GetGeometryOrigin()[2];
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53
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54 // x1,y1 and x2,y2 are in "slice" coordinates (the cutting plane
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55 // geometry)
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56 projected.push_back(std::make_pair(CreateRectangle(
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57 static_cast<float>(x1),
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58 static_cast<float>(y1),
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59 static_cast<float>(x2),
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60 static_cast<float>(y2)),curZ));
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61 }
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62 }
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63
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64 // projected contains a set of rectangles specified by two opposite
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65 // corners (x1,y1,x2,y2)
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66 // we need to merge them
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67 // each slab yields ONE polygon!
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68
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69 // we need to sorted all the rectangles that originate from the same Z
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70 // into lanes. To make sure they are grouped together in the array, we
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71 // sort it.
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72 std::sort(projected.begin(), projected.end(), CompareRectanglesForProjection);
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73
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74 std::vector<RtStructRectanglesInSlab> rectanglesForEachSlab;
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75 rectanglesForEachSlab.reserve(projected.size());
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76
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77 double curZ = 0;
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78 for (size_t i = 0; i < projected.size(); ++i)
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79 {
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80 #if 0
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81 rectanglesForEachSlab.push_back(RtStructRectanglesInSlab());
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82 #else
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83 if (i == 0)
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84 {
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85 curZ = projected[i].second;
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86 rectanglesForEachSlab.push_back(RtStructRectanglesInSlab());
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87 }
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88 else
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89 {
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90 // this check is needed to prevent creating a new slab if
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91 // the new polygon is at the same Z coord than last one
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92 if (!LinearAlgebra::IsNear(curZ, projected[i].second))
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93 {
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94 rectanglesForEachSlab.push_back(RtStructRectanglesInSlab());
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95 curZ = projected[i].second;
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96 }
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97 }
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98 #endif
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99
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100 rectanglesForEachSlab.back().push_back(projected[i].first);
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101
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102 // as long as they have the same y, we should put them into the same lane
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103 // BUT in Sebastien's code, there is only one polygon per lane.
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104
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105 //std::cout << "rect: xmin = " << rect.xmin << " xmax = " << rect.xmax << " ymin = " << rect.ymin << " ymax = " << rect.ymax << std::endl;
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106 }
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107
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108 // now we need to sort the slabs in increasing Y order (see ConvertListOfSlabsToSegments)
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109 std::sort(rectanglesForEachSlab.begin(), rectanglesForEachSlab.end(), CompareSlabsY);
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110
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111 std::vector< std::pair<ScenePoint2D, ScenePoint2D> > segments;
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112 ConvertListOfSlabsToSegments(segments, rectanglesForEachSlab, projected.size());
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113
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114 chains.resize(segments.size());
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115 for (size_t i = 0; i < segments.size(); i++)
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116 {
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117 chains[i].resize(2);
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118 chains[i][0] = segments[i].first;
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119 chains[i][1] = segments[i].second;
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120 }
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121 #endif
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122
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123 return true;
affde38b84de moved tentative bgo reimplementation of rt-struct into graveyard
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
124 }