Mercurial > hg > orthanc-stone
annotate Framework/Volumes/DicomStructureSetSlicer2.cpp @ 1022:1e80a925323a
ReadDicomLayerGeometry
author | Alain Mazy <alain@mazy.be> |
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date | Thu, 03 Oct 2019 14:37:52 +0200 |
parents | 38b6bb0bdd72 |
children | 29f5f2031310 |
rev | line source |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 #include "DicomStructureSetSlicer2.h" |
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22 |
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23 #include "../Toolbox/GeometryToolbox.h" |
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24 #include "../Volumes/IVolumeSlicer.h" |
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25 #include "../Scene2D/PolylineSceneLayer.h" |
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26 |
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27 namespace OrthancStone |
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28 { |
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29 DicomStructureSetSlicer2::DicomStructureSetSlicer2(boost::shared_ptr<DicomStructureSet2> structureSet) |
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30 : structureSet_(structureSet) |
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31 {} |
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32 |
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33 IVolumeSlicer::IExtractedSlice* DicomStructureSetSlicer2::ExtractSlice(const CoordinateSystem3D& cuttingPlane) |
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34 { |
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35 // revision is always the same, hence 0 |
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36 return new DicomStructureSetSlice2(structureSet_, 0, cuttingPlane); |
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37 } |
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38 |
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39 DicomStructureSetSlice2::DicomStructureSetSlice2( |
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40 boost::weak_ptr<DicomStructureSet2> structureSet, |
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41 uint64_t revision, |
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42 const CoordinateSystem3D& cuttingPlane) |
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43 : structureSet_(structureSet.lock()) |
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44 , isValid_(false) |
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45 { |
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46 bool opposite = false; |
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47 |
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48 if (structureSet_->GetStructuresCount() == 0) |
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49 { |
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50 isValid_ = false; |
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51 } |
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52 else |
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53 { |
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54 // some structures seen in real life have no polygons. We must be |
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55 // careful |
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56 bool found = false; |
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57 size_t curStructure = 0; |
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58 while (!found && curStructure < structureSet_->GetStructuresCount()) |
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59 { |
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60 if (structureSet_->GetStructure(curStructure).IsValid()) |
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61 { |
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62 found = true; |
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63 const Vector normal = structureSet_->GetStructure(0).GetNormal(); |
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64 isValid_ = ( |
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65 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetNormal()) || |
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66 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetAxisX()) || |
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67 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetAxisY())); |
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68 } |
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69 } |
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70 } |
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71 } |
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72 |
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73 ISceneLayer* DicomStructureSetSlice2::CreateSceneLayer( |
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74 const ILayerStyleConfigurator* configurator, |
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75 const CoordinateSystem3D& cuttingPlane) |
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76 { |
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77 assert(isValid_); |
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78 |
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79 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer); |
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80 layer->SetThickness(2); // thickness of the on-screen line |
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81 |
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82 for (size_t i = 0; i < structureSet_->GetStructuresCount(); i++) |
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83 { |
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84 const DicomStructure2& structure = structureSet_->GetStructure(i); |
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85 if (structure.IsValid()) |
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86 { |
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87 const Color& color = structure.GetColor(); |
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88 |
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89 std::vector< std::pair<Point2D, Point2D> > segments; |
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90 |
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91 if (structure.Project(segments, cuttingPlane)) |
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92 { |
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93 for (size_t j = 0; j < segments.size(); j++) |
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94 { |
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95 PolylineSceneLayer::Chain chain; |
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96 chain.resize(2); |
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97 |
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98 chain[0] = ScenePoint2D(segments[j].first.x, segments[j].first.y); |
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99 chain[1] = ScenePoint2D(segments[j].second.x, segments[j].second.y); |
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100 |
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101 layer->AddChain(chain, false /* NOT closed */, color); |
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102 } |
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103 } |
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104 } |
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105 } |
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106 return layer.release(); |
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107 } |
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108 } |
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109 |