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annotate OrthancStone/Resources/Graveyard/RTStructTentativeReimplementation-BGO/DicomStructureSetSlicer2.cpp @ 2142:ff1aefb43763

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 16 Aug 2024 14:58:47 +0200
parents 16c01cc201e7
children
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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23 #ifdef BGO_ENABLE_DICOMSTRUCTURESETLOADER2
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25 #include "DicomStructureSetSlicer2.h"
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26
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27 #include "../Toolbox/GeometryToolbox.h"
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28 #include "../Volumes/IVolumeSlicer.h"
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29 #include "../Scene2D/PolylineSceneLayer.h"
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30
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31 namespace OrthancStone
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32 {
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33 DicomStructureSetSlicer2::DicomStructureSetSlicer2(boost::shared_ptr<DicomStructureSet2> structureSet)
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34 : structureSet_(structureSet)
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35 {}
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36
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37 IVolumeSlicer::IExtractedSlice* DicomStructureSetSlicer2::ExtractSlice(const CoordinateSystem3D& cuttingPlane)
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38 {
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39 // revision is always the same, hence 0
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40 return new DicomStructureSetSlice2(structureSet_, 0, cuttingPlane);
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41 }
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42
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43 DicomStructureSetSlice2::DicomStructureSetSlice2(
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44 boost::weak_ptr<DicomStructureSet2> structureSet,
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45 uint64_t revision,
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46 const CoordinateSystem3D& cuttingPlane)
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47 : structureSet_(structureSet.lock())
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48 , isValid_(false)
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49 {
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50 bool opposite = false;
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51
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52 if (structureSet_->GetStructuresCount() == 0)
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53 {
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54 isValid_ = false;
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55 }
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56 else
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57 {
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58 // some structures seen in real life have no polygons. We must be
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59 // careful
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60 bool found = false;
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61 size_t curStructure = 0;
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62 while (!found && curStructure < structureSet_->GetStructuresCount())
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63 {
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64 if (structureSet_->GetStructure(curStructure).IsValid())
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65 {
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66 found = true;
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67 const Vector normal = structureSet_->GetStructure(0).GetNormal();
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68 isValid_ = (
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69 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetNormal()) ||
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70 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetAxisX()) ||
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71 GeometryToolbox::IsParallelOrOpposite(opposite, normal, cuttingPlane.GetAxisY()));
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72 }
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73 }
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74 }
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75 }
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76
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77 ISceneLayer* DicomStructureSetSlice2::CreateSceneLayer(
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78 const ILayerStyleConfigurator* configurator,
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79 const CoordinateSystem3D& cuttingPlane)
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80 {
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81 assert(isValid_);
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82
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83 std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer);
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84 layer->SetThickness(2); // thickness of the on-screen line
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85
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86 for (size_t i = 0; i < structureSet_->GetStructuresCount(); i++)
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87 {
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88 const DicomStructure2& structure = structureSet_->GetStructure(i);
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89 if (structure.IsValid())
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90 {
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91 const Color& color = structure.GetColor();
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92
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93 std::vector< std::pair<ScenePoint2D, ScenePoint2D> > segments;
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94
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95 if (structure.Project(segments, cuttingPlane))
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96 {
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97 for (size_t j = 0; j < segments.size(); j++)
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98 {
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99 PolylineSceneLayer::Chain chain;
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100 chain.resize(2);
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101
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102 chain[0] = ScenePoint2D(segments[j].first.GetX(), segments[j].first.GetY());
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103 chain[1] = ScenePoint2D(segments[j].second.GetX(), segments[j].second.GetY());
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104
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105 layer->AddChain(chain, false /* NOT closed */, color);
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106 }
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107 }
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108 }
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109 }
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110 return layer.release();
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111 }
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112 }
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113
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114
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115 #endif
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116 // BGO_ENABLE_DICOMSTRUCTURESETLOADER2
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117
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118