Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Volumes/VolumeSceneLayerSource.cpp @ 1766:ae18b5cfbd3e
VolumeImageGeometry::DetectProjection() reports if normal is opposite
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 11 May 2021 11:31:34 +0200 |
parents | 29c85a2c6df0 |
children | 3889ae96d2e9 |
rev | line source |
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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 "VolumeSceneLayerSource.h" | |
24 | |
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25 #include "../Scene2D/NullLayer.h" |
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26 #include "../Viewport/IViewport.h" |
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27 #include "../StoneException.h" |
1558 | 28 #include "../Scene2DViewport/ViewportController.h" |
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29 |
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30 #include <OrthancException.h> |
815 | 31 |
32 namespace OrthancStone | |
33 { | |
34 static bool IsSameCuttingPlane(const CoordinateSystem3D& a, | |
35 const CoordinateSystem3D& b) | |
36 { | |
37 // TODO - What if the normal is reversed? | |
38 double distance; | |
39 return (CoordinateSystem3D::ComputeDistance(distance, a, b) && | |
40 LinearAlgebra::IsCloseToZero(distance)); | |
41 } | |
42 | |
43 void VolumeSceneLayerSource::ClearLayer() | |
44 { | |
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45 { |
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46 std::unique_ptr<IViewport::ILock> lock(GetViewportLock()); |
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47 if (lock.get()) |
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48 { |
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49 ViewportController& controller = lock->GetController(); |
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50 Scene2D& scene = controller.GetScene(); |
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51 scene.DeleteLayer(layerDepth_); |
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52 } |
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53 } |
815 | 54 lastPlane_.reset(NULL); |
55 } | |
56 | |
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57 IViewport::ILock* VolumeSceneLayerSource::GetViewportLock() |
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58 { |
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59 boost::shared_ptr<IViewport> viewport = viewport_.lock(); |
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60 if (viewport) |
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61 return viewport->Lock(); |
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62 else |
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63 return NULL; |
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64 } |
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65 |
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66 IViewport::ILock* VolumeSceneLayerSource::GetViewportLock() const |
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67 { |
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68 boost::shared_ptr<IViewport> viewport = viewport_.lock(); |
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69 if (viewport) |
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70 return viewport->Lock(); |
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71 else |
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72 return NULL; |
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73 } |
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74 |
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75 |
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76 VolumeSceneLayerSource::VolumeSceneLayerSource(boost::weak_ptr<IViewport> viewport, |
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77 int layerDepth, |
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78 const boost::shared_ptr<IVolumeSlicer>& slicer) : |
1571 | 79 viewport_(viewport), |
80 layerDepth_(layerDepth), | |
81 slicer_(slicer), | |
82 lastRevision_(0), | |
83 lastConfiguratorRevision_(0) | |
815 | 84 { |
85 if (slicer == NULL) | |
86 { | |
87 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
88 } | |
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89 |
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90 { |
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91 std::unique_ptr<IViewport::ILock> lock(GetViewportLock()); |
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92 ViewportController& controller = lock->GetController(); |
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93 Scene2D& scene = controller.GetScene(); |
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94 ORTHANC_ASSERT(!scene.HasLayer(layerDepth_)); |
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95 |
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96 // we need to book the scene layer depth by adding a dummy layer |
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97 std::unique_ptr<NullLayer> nullLayer(new NullLayer); |
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98 scene.SetLayer(layerDepth_,nullLayer.release()); |
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99 } |
815 | 100 } |
101 | |
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102 VolumeSceneLayerSource::~VolumeSceneLayerSource() |
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103 { |
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104 ClearLayer(); |
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105 } |
815 | 106 |
107 void VolumeSceneLayerSource::RemoveConfigurator() | |
108 { | |
109 configurator_.reset(); | |
110 lastPlane_.reset(); | |
111 } | |
112 | |
113 | |
114 void VolumeSceneLayerSource::SetConfigurator(ILayerStyleConfigurator* configurator) // Takes ownership | |
115 { | |
116 if (configurator == NULL) | |
117 { | |
118 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
119 } | |
120 | |
121 configurator_.reset(configurator); | |
122 | |
123 // Invalidate the layer | |
124 lastPlane_.reset(NULL); | |
125 } | |
126 | |
127 | |
128 ILayerStyleConfigurator& VolumeSceneLayerSource::GetConfigurator() const | |
129 { | |
130 if (configurator_.get() == NULL) | |
131 { | |
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132 LOG(ERROR) << "VolumeSceneLayerSource::GetConfigurator(): (configurator_.get() == NULL)"; |
815 | 133 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
134 } | |
135 | |
136 return *configurator_; | |
137 } | |
138 | |
139 | |
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140 void VolumeSceneLayerSource::Update(const CoordinateSystem3D& plane) |
815 | 141 { |
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142 std::unique_ptr<IViewport::ILock> lock(GetViewportLock()); |
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143 if(lock) |
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145 ViewportController& controller = lock->GetController(); |
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146 Scene2D& scene = controller.GetScene(); |
815 | 147 |
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148 assert(slicer_.get() != NULL); |
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149 std::unique_ptr<IVolumeSlicer::IExtractedSlice> slice(slicer_->ExtractSlice(plane)); |
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150 |
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151 if (slice.get() == NULL) |
815 | 152 { |
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153 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
815 | 154 } |
155 | |
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156 if (!slice->IsValid()) |
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157 { |
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158 // The slicer cannot handle this cutting plane: Clear the layer |
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159 ClearLayer(); |
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160 } |
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161 else if (lastPlane_.get() != NULL && |
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162 IsSameCuttingPlane(*lastPlane_, plane) && |
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163 lastRevision_ == slice->GetRevision()) |
815 | 164 { |
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165 // The content of the slice has not changed: Don't update the |
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166 // layer content, but possibly update its style |
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167 |
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168 if (configurator_.get() != NULL && |
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169 configurator_->GetRevision() != lastConfiguratorRevision_ && |
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170 scene.HasLayer(layerDepth_)) |
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171 { |
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172 configurator_->ApplyStyle(scene.GetLayer(layerDepth_)); |
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173 } |
815 | 174 } |
175 else | |
176 { | |
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177 LOG(TRACE) << "VolumeSceneLayerSource::Update -- Content has changed: An update is needed"; |
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178 // Content has changed: An update is needed |
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179 lastPlane_.reset(new CoordinateSystem3D(plane)); |
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180 lastRevision_ = slice->GetRevision(); |
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181 |
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182 std::unique_ptr<ISceneLayer> layer(slice->CreateSceneLayer(configurator_.get(), plane)); |
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183 if (layer.get() == NULL) |
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185 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() == NULL)"; |
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186 ClearLayer(); |
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188 else |
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189 { |
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190 LOG(TRACE) << "VolumeSceneLayerSource::Update -- (layer.get() != NULL)"; |
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191 if (configurator_.get() != NULL) |
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192 { |
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193 lastConfiguratorRevision_ = configurator_->GetRevision(); |
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194 configurator_->ApplyStyle(*layer); |
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195 } |
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197 scene.SetLayer(layerDepth_, layer.release()); |
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198 } |
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200 } | |
201 } | |
202 } |