Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Volumes/DicomVolumeImageReslicer.cpp @ 1792:373d7f7e796e
ICompositor::ComputeTextBoundingBox()
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 17 May 2021 16:59:03 +0200 |
| parents | 748bfa7df18b |
| children | 3889ae96d2e9 |
| rev | line source |
|---|---|
| 815 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
| 815 | 6 * |
| 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 Lesser General Public License |
| 815 | 9 * as published by the Free Software Foundation, either version 3 of |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 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 * Lesser 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 Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 815 | 20 **/ |
| 21 | |
| 22 | |
| 23 #include "DicomVolumeImageReslicer.h" | |
| 24 | |
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25 #include <OrthancException.h> |
| 815 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 class DicomVolumeImageReslicer::Slice : public IVolumeSlicer::IExtractedSlice | |
| 30 { | |
| 31 private: | |
| 32 DicomVolumeImageReslicer& that_; | |
| 33 CoordinateSystem3D cuttingPlane_; | |
| 34 | |
| 35 public: | |
| 36 Slice(DicomVolumeImageReslicer& that, | |
| 37 const CoordinateSystem3D& cuttingPlane) : | |
| 38 that_(that), | |
| 39 cuttingPlane_(cuttingPlane) | |
| 40 { | |
| 41 } | |
| 42 | |
| 1571 | 43 virtual bool IsValid() ORTHANC_OVERRIDE |
| 815 | 44 { |
| 45 return true; | |
| 46 } | |
| 47 | |
| 1571 | 48 virtual uint64_t GetRevision() ORTHANC_OVERRIDE |
| 815 | 49 { |
| 50 return that_.volume_->GetRevision(); | |
| 51 } | |
| 52 | |
| 53 virtual ISceneLayer* CreateSceneLayer(const ILayerStyleConfigurator* configurator, | |
| 1571 | 54 const CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE |
| 815 | 55 { |
| 56 VolumeReslicer& reslicer = that_.reslicer_; | |
| 57 | |
| 58 if (configurator == NULL) | |
| 59 { | |
| 60 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError, | |
| 61 "Must provide a layer style configurator"); | |
| 62 } | |
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63 |
| 815 | 64 reslicer.SetOutputFormat(that_.volume_->GetPixelData().GetFormat()); |
| 65 reslicer.Apply(that_.volume_->GetPixelData(), | |
| 66 that_.volume_->GetGeometry(), | |
| 67 cuttingPlane); | |
| 68 | |
| 69 if (reslicer.IsSuccess()) | |
| 70 { | |
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71 std::unique_ptr<TextureBaseSceneLayer> texture |
| 815 | 72 (configurator->CreateTextureFromDicom(reslicer.GetOutputSlice(), |
| 73 that_.volume_->GetDicomParameters())); | |
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74 if (texture.get() == NULL) |
| 815 | 75 { |
| 76 return NULL; | |
| 77 } | |
| 78 | |
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79 const double s = reslicer.GetPixelSpacing(); |
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80 |
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81 const double x1 = reslicer.GetOutputExtent().GetX1(); |
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82 const double y1 = reslicer.GetOutputExtent().GetY1(); |
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83 const Vector p1 = cuttingPlane.MapSliceToWorldCoordinates(x1, y1); |
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84 |
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85 // The "0.5" shift is to move from the corner of voxel to the center of the voxel |
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86 |
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87 texture->SetCuttingPlaneTransform( |
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88 cuttingPlane, p1 + 0.5 * s * cuttingPlane.GetAxisX() + 0.5 * s * cuttingPlane.GetAxisY(), |
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89 s * cuttingPlane.GetAxisX(), |
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90 s * cuttingPlane.GetAxisY()); |
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91 |
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92 return texture.release(); |
| 815 | 93 } |
| 94 else | |
| 95 { | |
| 96 return NULL; | |
| 97 } | |
| 98 } | |
| 99 }; | |
| 100 | |
| 101 | |
| 102 DicomVolumeImageReslicer::DicomVolumeImageReslicer(const boost::shared_ptr<DicomVolumeImage>& volume) : | |
| 103 volume_(volume) | |
| 104 { | |
| 105 if (volume.get() == NULL) | |
| 106 { | |
| 107 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 | |
| 112 IVolumeSlicer::IExtractedSlice* DicomVolumeImageReslicer::ExtractSlice(const CoordinateSystem3D& cuttingPlane) | |
| 113 { | |
| 114 if (volume_->HasGeometry()) | |
| 115 { | |
| 116 return new Slice(*this, cuttingPlane); | |
| 117 } | |
| 118 else | |
| 119 { | |
| 120 return new IVolumeSlicer::InvalidSlice; | |
| 121 } | |
| 122 } | |
| 123 } |