Mercurial > hg > orthanc-stone
annotate Framework/dev.h @ 399:885e1ebd315c
rename SliceChange as SliceContentChange
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 10 Nov 2018 09:50:30 +0100 |
| parents | d257ea56b7be |
| children | f1c769b3a5c2 |
| rev | line source |
|---|---|
| 102 | 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) 2017-2018 Osimis S.A., Belgium |
| 102 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 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 | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
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16 * |
| 102 | 17 * You should have received a copy of the GNU Affero General Public License |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #pragma once | |
| 23 | |
| 24 #include "Layers/FrameRenderer.h" | |
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25 #include "Layers/VolumeSlicerBase.h" |
| 102 | 26 #include "Layers/SliceOutlineRenderer.h" |
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27 #include "Layers/LineLayerRenderer.h" |
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28 #include "Widgets/SliceViewerWidget.h" |
| 102 | 29 #include "Toolbox/DownloadStack.h" |
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30 #include "Toolbox/GeometryToolbox.h" |
| 102 | 31 #include "Toolbox/OrthancSlicesLoader.h" |
| 32 #include "Volumes/ImageBuffer3D.h" | |
| 33 #include "Volumes/SlicedVolumeBase.h" | |
| 34 | |
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35 #include <Core/Logging.h> |
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36 #include <Core/Images/ImageProcessing.h> |
| 102 | 37 |
| 38 #include <boost/math/special_functions/round.hpp> | |
| 39 | |
| 40 | |
| 41 namespace OrthancStone | |
| 42 { | |
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43 // TODO: Handle errors while loading |
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44 class OrthancVolumeImage : |
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45 public SlicedVolumeBase, |
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46 public OrthancStone::IObserver |
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47 { |
| 102 | 48 private: |
| 49 OrthancSlicesLoader loader_; | |
| 50 std::auto_ptr<ImageBuffer3D> image_; | |
| 51 std::auto_ptr<DownloadStack> downloadStack_; | |
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52 bool computeRange_; |
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53 size_t pendingSlices_; |
| 102 | 54 |
| 55 void ScheduleSliceDownload() | |
| 56 { | |
| 57 assert(downloadStack_.get() != NULL); | |
| 58 | |
| 59 unsigned int slice; | |
| 60 if (downloadStack_->Pop(slice)) | |
| 61 { | |
| 62 loader_.ScheduleLoadSliceImage(slice, SliceImageQuality_Jpeg90); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 | |
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67 static bool IsCompatible(const Slice& a, |
| 102 | 68 const Slice& b) |
| 69 { | |
| 70 if (!GeometryToolbox::IsParallel(a.GetGeometry().GetNormal(), | |
| 71 b.GetGeometry().GetNormal())) | |
| 72 { | |
| 73 LOG(ERROR) << "Some slice in the volume image is not parallel to the others"; | |
| 74 return false; | |
| 75 } | |
| 76 | |
| 77 if (a.GetConverter().GetExpectedPixelFormat() != b.GetConverter().GetExpectedPixelFormat()) | |
| 78 { | |
| 79 LOG(ERROR) << "The pixel format changes across the slices of the volume image"; | |
| 80 return false; | |
| 81 } | |
| 82 | |
| 83 if (a.GetWidth() != b.GetWidth() || | |
| 84 a.GetHeight() != b.GetHeight()) | |
| 85 { | |
| 86 LOG(ERROR) << "The width/height of the slices change across the volume image"; | |
| 87 return false; | |
| 88 } | |
| 89 | |
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90 if (!LinearAlgebra::IsNear(a.GetPixelSpacingX(), b.GetPixelSpacingX()) || |
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91 !LinearAlgebra::IsNear(a.GetPixelSpacingY(), b.GetPixelSpacingY())) |
| 102 | 92 { |
| 93 LOG(ERROR) << "The pixel spacing of the slices change across the volume image"; | |
| 94 return false; | |
| 95 } | |
| 96 | |
| 97 return true; | |
| 98 } | |
| 99 | |
| 100 | |
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101 static double GetDistance(const Slice& a, |
| 102 | 102 const Slice& b) |
| 103 { | |
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104 return fabs(a.GetGeometry().ProjectAlongNormal(a.GetGeometry().GetOrigin()) - |
| 102 | 105 a.GetGeometry().ProjectAlongNormal(b.GetGeometry().GetOrigin())); |
| 106 } | |
| 107 | |
| 108 | |
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109 void OnSliceGeometryReady(const OrthancSlicesLoader& loader) |
| 102 | 110 { |
| 111 if (loader.GetSliceCount() == 0) | |
| 112 { | |
| 113 LOG(ERROR) << "Empty volume image"; | |
| 114 SlicedVolumeBase::NotifyGeometryError(); | |
| 115 return; | |
| 116 } | |
| 117 | |
| 118 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 119 { | |
| 120 if (!IsCompatible(loader.GetSlice(0), loader.GetSlice(i))) | |
| 121 { | |
| 122 SlicedVolumeBase::NotifyGeometryError(); | |
| 123 return; | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 double spacingZ; | |
| 128 | |
| 129 if (loader.GetSliceCount() > 1) | |
| 130 { | |
| 131 spacingZ = GetDistance(loader.GetSlice(0), loader.GetSlice(1)); | |
| 132 } | |
| 133 else | |
| 134 { | |
| 135 // This is a volume with one single slice: Choose a dummy | |
| 136 // z-dimension for voxels | |
| 137 spacingZ = 1; | |
| 138 } | |
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139 |
| 102 | 140 for (size_t i = 1; i < loader.GetSliceCount(); i++) |
| 141 { | |
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142 if (!LinearAlgebra::IsNear(spacingZ, GetDistance(loader.GetSlice(i - 1), loader.GetSlice(i)), |
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143 0.001 /* this is expressed in mm */)) |
| 102 | 144 { |
| 145 LOG(ERROR) << "The distance between successive slices is not constant in a volume image"; | |
| 146 SlicedVolumeBase::NotifyGeometryError(); | |
| 147 return; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 unsigned int width = loader.GetSlice(0).GetWidth(); | |
| 152 unsigned int height = loader.GetSlice(0).GetHeight(); | |
| 153 Orthanc::PixelFormat format = loader.GetSlice(0).GetConverter().GetExpectedPixelFormat(); | |
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154 LOG(INFO) << "Creating a volume image of size " << width << "x" << height |
| 102 | 155 << "x" << loader.GetSliceCount() << " in " << Orthanc::EnumerationToString(format); |
| 156 | |
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157 image_.reset(new ImageBuffer3D(format, width, height, loader.GetSliceCount(), computeRange_)); |
| 102 | 158 image_->SetAxialGeometry(loader.GetSlice(0).GetGeometry()); |
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159 image_->SetVoxelDimensions(loader.GetSlice(0).GetPixelSpacingX(), |
| 102 | 160 loader.GetSlice(0).GetPixelSpacingY(), spacingZ); |
| 161 image_->Clear(); | |
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162 |
| 102 | 163 downloadStack_.reset(new DownloadStack(loader.GetSliceCount())); |
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164 pendingSlices_ = loader.GetSliceCount(); |
| 102 | 165 |
| 166 for (unsigned int i = 0; i < 4; i++) // Limit to 4 simultaneous downloads | |
| 167 { | |
| 168 ScheduleSliceDownload(); | |
| 169 } | |
| 170 | |
| 171 // TODO Check the DicomFrameConverter are constant | |
| 172 | |
| 173 SlicedVolumeBase::NotifyGeometryReady(); | |
| 174 } | |
| 175 | |
| 252 | 176 virtual void OnSliceImageReady(const OrthancSlicesLoader& loader, |
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177 unsigned int sliceIndex, |
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178 const Slice& slice, |
| 378 | 179 const Orthanc::ImageAccessor& image, |
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180 SliceImageQuality quality) |
| 102 | 181 { |
| 182 { | |
| 183 ImageBuffer3D::SliceWriter writer(*image_, VolumeProjection_Axial, sliceIndex); | |
| 378 | 184 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), image); |
| 102 | 185 } |
| 186 | |
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187 SlicedVolumeBase::NotifySliceContentChange(sliceIndex, slice); |
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188 |
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189 if (pendingSlices_ == 1) |
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190 { |
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191 SlicedVolumeBase::NotifyVolumeReady(); |
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192 pendingSlices_ = 0; |
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193 } |
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194 else if (pendingSlices_ > 1) |
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195 { |
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196 pendingSlices_ -= 1; |
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197 } |
| 102 | 198 |
| 199 ScheduleSliceDownload(); | |
| 200 } | |
| 201 | |
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202 virtual void HandleMessage(const IObservable& from, const IMessage& message) |
| 102 | 203 { |
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204 switch (message.GetType()) |
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205 { |
| 378 | 206 case MessageType_SliceLoader_GeometryReady: |
| 207 OnSliceGeometryReady(dynamic_cast<const OrthancSlicesLoader&>(from)); | |
| 208 break; | |
| 209 | |
| 210 case MessageType_SliceLoader_GeometryError: | |
| 211 LOG(ERROR) << "Unable to download a volume image"; | |
| 212 SlicedVolumeBase::NotifyGeometryError(); | |
| 213 break; | |
| 214 | |
| 215 case MessageType_SliceLoader_ImageReady: | |
| 216 { | |
| 217 const OrthancSlicesLoader::SliceImageReadyMessage& msg = | |
| 218 dynamic_cast<const OrthancSlicesLoader::SliceImageReadyMessage&>(message); | |
| 219 OnSliceImageReady(dynamic_cast<const OrthancSlicesLoader&>(from), | |
| 220 msg.GetSliceIndex(), | |
| 221 msg.GetSlice(), | |
| 222 msg.GetImage(), | |
| 223 msg.GetEffectiveQuality()); | |
| 224 break; | |
| 225 } | |
| 226 | |
| 227 case MessageType_SliceLoader_ImageError: | |
| 228 { | |
| 229 const OrthancSlicesLoader::SliceImageErrorMessage& msg = | |
| 230 dynamic_cast<const OrthancSlicesLoader::SliceImageErrorMessage&>(message); | |
| 231 LOG(ERROR) << "Cannot download slice " << msg.GetSliceIndex() << " in a volume image"; | |
| 232 ScheduleSliceDownload(); | |
| 233 break; | |
| 234 } | |
| 235 | |
| 236 default: | |
| 237 VLOG("unhandled message type" << message.GetType()); | |
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238 } |
| 102 | 239 } |
| 240 | |
| 241 public: | |
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242 OrthancVolumeImage(MessageBroker& broker, |
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243 OrthancApiClient& orthanc, |
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244 bool computeRange) : |
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245 OrthancStone::IObserver(broker), |
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246 loader_(broker, orthanc), |
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247 computeRange_(computeRange), |
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248 pendingSlices_(0) |
| 102 | 249 { |
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250 // TODO: replace with new callables loader_.RegisterObserver(*this); |
| 102 | 251 } |
| 252 | |
| 253 void ScheduleLoadSeries(const std::string& seriesId) | |
| 254 { | |
| 255 loader_.ScheduleLoadSeries(seriesId); | |
| 256 } | |
| 257 | |
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258 void ScheduleLoadInstance(const std::string& instanceId) |
| 102 | 259 { |
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260 loader_.ScheduleLoadInstance(instanceId); |
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261 } |
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262 |
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263 void ScheduleLoadFrame(const std::string& instanceId, |
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264 unsigned int frame) |
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265 { |
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266 loader_.ScheduleLoadFrame(instanceId, frame); |
| 102 | 267 } |
| 268 | |
| 269 virtual size_t GetSliceCount() const | |
| 270 { | |
| 271 return loader_.GetSliceCount(); | |
| 272 } | |
| 273 | |
| 274 virtual const Slice& GetSlice(size_t index) const | |
| 275 { | |
| 276 return loader_.GetSlice(index); | |
| 277 } | |
| 278 | |
| 279 ImageBuffer3D& GetImage() const | |
| 280 { | |
| 281 if (image_.get() == NULL) | |
| 282 { | |
| 283 // The geometry is not ready yet | |
| 284 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 285 } | |
| 286 else | |
| 287 { | |
| 288 return *image_; | |
| 289 } | |
| 290 } | |
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291 |
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292 bool FitWindowingToRange(RenderStyle& style, |
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293 const DicomFrameConverter& converter) const |
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294 { |
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295 if (image_.get() == NULL) |
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296 { |
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297 return false; |
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298 } |
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299 else |
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300 { |
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301 return image_->FitWindowingToRange(style, converter); |
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302 } |
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303 } |
| 102 | 304 }; |
| 305 | |
| 306 | |
| 307 class VolumeImageGeometry | |
| 308 { | |
| 309 private: | |
| 310 unsigned int width_; | |
| 311 unsigned int height_; | |
| 312 size_t depth_; | |
| 313 double pixelSpacingX_; | |
| 314 double pixelSpacingY_; | |
| 315 double sliceThickness_; | |
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316 CoordinateSystem3D reference_; |
| 102 | 317 DicomFrameConverter converter_; |
| 318 | |
| 319 double ComputeAxialThickness(const OrthancVolumeImage& volume) const | |
| 320 { | |
| 321 double thickness; | |
| 322 | |
| 323 size_t n = volume.GetSliceCount(); | |
| 324 if (n > 1) | |
| 325 { | |
| 326 const Slice& a = volume.GetSlice(0); | |
| 327 const Slice& b = volume.GetSlice(n - 1); | |
| 328 thickness = ((reference_.ProjectAlongNormal(b.GetGeometry().GetOrigin()) - | |
| 329 reference_.ProjectAlongNormal(a.GetGeometry().GetOrigin())) / | |
| 330 (static_cast<double>(n) - 1.0)); | |
| 331 } | |
| 332 else | |
| 333 { | |
| 334 thickness = volume.GetSlice(0).GetThickness(); | |
| 335 } | |
| 336 | |
| 337 if (thickness <= 0) | |
| 338 { | |
| 339 // The slices should have been sorted with increasing Z | |
| 340 // (along the normal) by the OrthancSlicesLoader | |
| 341 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 342 } | |
| 343 else | |
| 344 { | |
| 345 return thickness; | |
| 346 } | |
| 347 } | |
| 348 | |
| 349 void SetupAxial(const OrthancVolumeImage& volume) | |
| 350 { | |
| 351 const Slice& axial = volume.GetSlice(0); | |
| 352 | |
| 353 width_ = axial.GetWidth(); | |
| 354 height_ = axial.GetHeight(); | |
| 355 depth_ = volume.GetSliceCount(); | |
| 356 | |
| 357 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 358 pixelSpacingY_ = axial.GetPixelSpacingY(); | |
| 359 sliceThickness_ = ComputeAxialThickness(volume); | |
| 360 | |
| 361 reference_ = axial.GetGeometry(); | |
| 362 } | |
| 363 | |
| 364 void SetupCoronal(const OrthancVolumeImage& volume) | |
| 365 { | |
| 366 const Slice& axial = volume.GetSlice(0); | |
| 367 double axialThickness = ComputeAxialThickness(volume); | |
| 368 | |
| 369 width_ = axial.GetWidth(); | |
| 370 height_ = volume.GetSliceCount(); | |
| 371 depth_ = axial.GetHeight(); | |
| 372 | |
| 373 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 374 pixelSpacingY_ = axialThickness; | |
| 375 sliceThickness_ = axial.GetPixelSpacingY(); | |
| 376 | |
| 377 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 378 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 379 axialThickness * axial.GetGeometry().GetNormal()); | |
| 380 | |
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381 reference_ = CoordinateSystem3D(origin, |
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382 axial.GetGeometry().GetAxisX(), |
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383 -axial.GetGeometry().GetNormal()); |
| 102 | 384 } |
| 385 | |
| 386 void SetupSagittal(const OrthancVolumeImage& volume) | |
| 387 { | |
| 388 const Slice& axial = volume.GetSlice(0); | |
| 389 double axialThickness = ComputeAxialThickness(volume); | |
| 390 | |
| 391 width_ = axial.GetHeight(); | |
| 392 height_ = volume.GetSliceCount(); | |
| 393 depth_ = axial.GetWidth(); | |
| 394 | |
| 395 pixelSpacingX_ = axial.GetPixelSpacingY(); | |
| 396 pixelSpacingY_ = axialThickness; | |
| 397 sliceThickness_ = axial.GetPixelSpacingX(); | |
| 398 | |
| 399 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 400 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 401 axialThickness * axial.GetGeometry().GetNormal()); | |
| 402 | |
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403 reference_ = CoordinateSystem3D(origin, |
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404 axial.GetGeometry().GetAxisY(), |
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405 axial.GetGeometry().GetNormal()); |
| 102 | 406 } |
| 407 | |
| 408 public: | |
| 409 VolumeImageGeometry(const OrthancVolumeImage& volume, | |
| 410 VolumeProjection projection) | |
| 411 { | |
| 412 if (volume.GetSliceCount() == 0) | |
| 413 { | |
| 414 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 415 } | |
| 416 | |
| 417 converter_ = volume.GetSlice(0).GetConverter(); | |
| 418 | |
| 419 switch (projection) | |
| 420 { | |
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421 case VolumeProjection_Axial: |
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422 SetupAxial(volume); |
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423 break; |
| 102 | 424 |
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425 case VolumeProjection_Coronal: |
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426 SetupCoronal(volume); |
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427 break; |
| 102 | 428 |
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429 case VolumeProjection_Sagittal: |
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430 SetupSagittal(volume); |
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431 break; |
| 102 | 432 |
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433 default: |
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434 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
| 102 | 435 } |
| 436 } | |
| 437 | |
| 438 size_t GetSliceCount() const | |
| 439 { | |
| 440 return depth_; | |
| 441 } | |
| 442 | |
| 443 const Vector& GetNormal() const | |
| 444 { | |
| 445 return reference_.GetNormal(); | |
| 446 } | |
| 447 | |
| 448 bool LookupSlice(size_t& index, | |
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449 const CoordinateSystem3D& slice) const |
| 102 | 450 { |
| 451 bool opposite; | |
| 452 if (!GeometryToolbox::IsParallelOrOpposite(opposite, | |
| 453 reference_.GetNormal(), | |
| 454 slice.GetNormal())) | |
| 455 { | |
| 456 return false; | |
| 457 } | |
| 458 | |
| 459 double z = (reference_.ProjectAlongNormal(slice.GetOrigin()) - | |
| 460 reference_.ProjectAlongNormal(reference_.GetOrigin())) / sliceThickness_; | |
| 461 | |
| 462 int s = static_cast<int>(boost::math::iround(z)); | |
| 463 | |
| 464 if (s < 0 || | |
| 465 s >= static_cast<int>(depth_)) | |
| 466 { | |
| 467 return false; | |
| 468 } | |
| 469 else | |
| 470 { | |
| 471 index = static_cast<size_t>(s); | |
| 472 return true; | |
| 473 } | |
| 474 } | |
| 475 | |
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476 Slice* GetSlice(size_t slice) const |
| 102 | 477 { |
| 216 | 478 if (slice >= depth_) |
| 102 | 479 { |
| 480 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 481 } | |
| 482 else | |
| 483 { | |
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484 CoordinateSystem3D origin(reference_.GetOrigin() + |
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485 static_cast<double>(slice) * sliceThickness_ * reference_.GetNormal(), |
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486 reference_.GetAxisX(), |
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487 reference_.GetAxisY()); |
| 102 | 488 |
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489 return new Slice(origin, pixelSpacingX_, pixelSpacingY_, sliceThickness_, |
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490 width_, height_, converter_); |
| 102 | 491 } |
| 492 } | |
| 493 }; | |
| 494 | |
| 495 | |
| 496 | |
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497 class VolumeImageMPRSlicer : |
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498 public VolumeSlicerBase, |
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499 private ISlicedVolume::IObserver |
| 102 | 500 { |
| 501 private: | |
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502 class RendererFactory : public LayerReadyMessage::IRendererFactory |
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503 { |
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504 private: |
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505 const Orthanc::ImageAccessor& frame_; |
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506 const Slice& slice_; |
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507 bool isFullQuality_; |
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508 |
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509 public: |
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510 RendererFactory(const Orthanc::ImageAccessor& frame, |
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511 const Slice& slice, |
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512 bool isFullQuality) : |
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513 frame_(frame), |
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514 slice_(slice), |
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515 isFullQuality_(isFullQuality) |
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516 { |
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517 } |
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518 |
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519 virtual ILayerRenderer* CreateRenderer() const |
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520 { |
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521 return FrameRenderer::CreateRenderer(frame_, slice_, isFullQuality_); |
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522 } |
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523 }; |
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524 |
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525 |
| 102 | 526 OrthancVolumeImage& volume_; |
| 527 std::auto_ptr<VolumeImageGeometry> axialGeometry_; | |
| 528 std::auto_ptr<VolumeImageGeometry> coronalGeometry_; | |
| 529 std::auto_ptr<VolumeImageGeometry> sagittalGeometry_; | |
| 530 | |
| 531 | |
| 532 bool IsGeometryReady() const | |
| 533 { | |
| 534 return axialGeometry_.get() != NULL; | |
| 535 } | |
| 536 | |
| 537 | |
| 538 virtual void NotifyGeometryReady(const ISlicedVolume& volume) | |
| 539 { | |
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540 // These 3 values are only used to speed up the IVolumeSlicer |
| 102 | 541 axialGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Axial)); |
| 542 coronalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Coronal)); | |
| 543 sagittalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Sagittal)); | |
| 544 | |
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545 VolumeSlicerBase::NotifyGeometryReady(); |
| 102 | 546 } |
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547 |
| 102 | 548 virtual void NotifyGeometryError(const ISlicedVolume& volume) |
| 549 { | |
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550 VolumeSlicerBase::NotifyGeometryError(); |
| 102 | 551 } |
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552 |
| 102 | 553 virtual void NotifyContentChange(const ISlicedVolume& volume) |
| 554 { | |
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555 VolumeSlicerBase::NotifyContentChange(); |
| 102 | 556 } |
| 557 | |
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558 virtual void NotifySliceContentChange(const ISlicedVolume& volume, |
| 102 | 559 const size_t& sliceIndex, |
| 560 const Slice& slice) | |
| 561 { | |
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562 //VolumeSlicerBase::NotifySliceContentChange(slice); |
| 102 | 563 |
| 564 // TODO Improve this? | |
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565 VolumeSlicerBase::NotifyContentChange(); |
| 102 | 566 } |
| 567 | |
| 138 | 568 virtual void NotifyVolumeReady(const ISlicedVolume& volume) |
| 569 { | |
| 570 } | |
| 102 | 571 |
| 572 const VolumeImageGeometry& GetProjectionGeometry(VolumeProjection projection) | |
| 573 { | |
| 574 if (!IsGeometryReady()) | |
| 575 { | |
| 576 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 577 } | |
| 578 | |
| 579 switch (projection) | |
| 580 { | |
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581 case VolumeProjection_Axial: |
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582 return *axialGeometry_; |
| 102 | 583 |
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584 case VolumeProjection_Sagittal: |
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585 return *sagittalGeometry_; |
| 102 | 586 |
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587 case VolumeProjection_Coronal: |
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588 return *coronalGeometry_; |
| 102 | 589 |
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590 default: |
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591 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
| 102 | 592 } |
| 593 } | |
| 594 | |
| 595 | |
| 596 bool DetectProjection(VolumeProjection& projection, | |
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597 const CoordinateSystem3D& viewportSlice) |
| 102 | 598 { |
| 599 bool isOpposite; // Ignored | |
| 600 | |
| 601 if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 602 viewportSlice.GetNormal(), | |
| 603 axialGeometry_->GetNormal())) | |
| 604 { | |
| 605 projection = VolumeProjection_Axial; | |
| 606 return true; | |
| 607 } | |
| 608 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 609 viewportSlice.GetNormal(), | |
| 610 sagittalGeometry_->GetNormal())) | |
| 611 { | |
| 612 projection = VolumeProjection_Sagittal; | |
| 613 return true; | |
| 614 } | |
| 615 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 616 viewportSlice.GetNormal(), | |
| 617 coronalGeometry_->GetNormal())) | |
| 618 { | |
| 619 projection = VolumeProjection_Coronal; | |
| 620 return true; | |
| 621 } | |
| 622 else | |
| 623 { | |
| 624 return false; | |
| 625 } | |
| 626 } | |
| 627 | |
| 628 | |
| 629 public: | |
|
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630 VolumeImageMPRSlicer(MessageBroker& broker, |
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631 OrthancVolumeImage& volume) : |
|
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632 VolumeSlicerBase(broker), |
| 102 | 633 volume_(volume) |
| 634 { | |
| 635 volume_.Register(*this); | |
| 636 } | |
| 637 | |
| 638 virtual bool GetExtent(std::vector<Vector>& points, | |
|
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639 const CoordinateSystem3D& viewportSlice) |
| 102 | 640 { |
| 641 VolumeProjection projection; | |
| 642 | |
| 643 if (!IsGeometryReady() || | |
| 644 !DetectProjection(projection, viewportSlice)) | |
| 645 { | |
| 646 return false; | |
| 647 } | |
| 648 else | |
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649 { |
| 102 | 650 // As the slices of the volumic image are arranged in a box, |
| 651 // we only consider one single reference slice (the one with index 0). | |
|
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652 std::auto_ptr<Slice> slice(GetProjectionGeometry(projection).GetSlice(0)); |
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653 slice->GetExtent(points); |
| 102 | 654 |
| 655 return true; | |
| 656 } | |
| 657 } | |
| 658 | |
| 659 | |
|
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660 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
| 102 | 661 { |
| 662 VolumeProjection projection; | |
| 663 | |
| 664 if (IsGeometryReady() && | |
| 665 DetectProjection(projection, viewportSlice)) | |
| 666 { | |
| 667 const VolumeImageGeometry& geometry = GetProjectionGeometry(projection); | |
| 668 | |
| 669 size_t closest; | |
| 670 | |
| 671 if (geometry.LookupSlice(closest, viewportSlice)) | |
| 672 { | |
| 673 bool isFullQuality = true; // TODO | |
| 674 | |
| 675 std::auto_ptr<Orthanc::Image> frame; | |
| 676 | |
| 677 { | |
| 678 ImageBuffer3D::SliceReader reader(volume_.GetImage(), projection, closest); | |
| 679 | |
| 680 // TODO Transfer ownership if non-axial, to avoid memcpy | |
| 681 frame.reset(Orthanc::Image::Clone(reader.GetAccessor())); | |
| 682 } | |
| 683 | |
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684 std::auto_ptr<Slice> slice(geometry.GetSlice(closest)); |
|
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685 |
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686 RendererFactory factory(*frame, *slice, isFullQuality); |
|
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687 VolumeSlicerBase::NotifyLayerReady(factory, |
| 378 | 688 //new SliceOutlineRenderer(slice), |
|
380
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689 slice->GetGeometry()); |
| 102 | 690 return; |
| 691 } | |
| 692 } | |
| 693 | |
| 694 // Error | |
|
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695 CoordinateSystem3D slice; |
|
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696 VolumeSlicerBase::NotifyLayerError(slice); |
| 102 | 697 } |
| 698 }; | |
|
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699 |
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700 |
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701 class VolumeImageInteractor : |
|
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702 public IWorldSceneInteractor, |
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703 protected ISlicedVolume::IObserver |
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704 { |
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705 private: |
|
388
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|
706 SliceViewerWidget& widget_; |
|
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707 VolumeProjection projection_; |
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708 std::auto_ptr<VolumeImageGeometry> slices_; |
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709 size_t slice_; |
|
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710 |
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711 protected: |
|
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712 virtual void NotifyGeometryReady(const ISlicedVolume& volume) |
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713 { |
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714 if (slices_.get() == NULL) |
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715 { |
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716 const OrthancVolumeImage& image = dynamic_cast<const OrthancVolumeImage&>(volume); |
|
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|
717 |
|
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718 slices_.reset(new VolumeImageGeometry(image, projection_)); |
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719 SetSlice(slices_->GetSliceCount() / 2); |
|
120
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|
720 |
| 330 | 721 widget_.FitContent(); |
|
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722 } |
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723 } |
|
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|
724 |
|
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|
725 virtual void NotifyGeometryError(const ISlicedVolume& volume) |
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726 { |
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727 } |
|
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|
728 |
|
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|
729 virtual void NotifyContentChange(const ISlicedVolume& volume) |
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|
730 { |
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|
731 } |
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diff
changeset
|
732 |
|
399
885e1ebd315c
rename SliceChange as SliceContentChange
Sebastien Jodogne <s.jodogne@gmail.com>
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398
diff
changeset
|
733 virtual void NotifySliceContentChange(const ISlicedVolume& volume, |
|
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734 const size_t& sliceIndex, |
|
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|
735 const Slice& slice) |
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|
736 { |
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737 } |
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738 |
| 138 | 739 virtual void NotifyVolumeReady(const ISlicedVolume& volume) |
| 740 { | |
| 741 } | |
| 742 | |
|
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743 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
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744 const ViewportGeometry& view, |
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745 MouseButton button, |
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746 double x, |
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747 double y, |
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748 IStatusBar* statusBar) |
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749 { |
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|
750 return NULL; |
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|
751 } |
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|
752 |
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|
753 virtual void MouseOver(CairoContext& context, |
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754 WorldSceneWidget& widget, |
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|
755 const ViewportGeometry& view, |
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756 double x, |
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|
757 double y, |
|
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|
758 IStatusBar* statusBar) |
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|
759 { |
|
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|
760 } |
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|
761 |
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762 virtual void MouseWheel(WorldSceneWidget& widget, |
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763 MouseWheelDirection direction, |
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764 KeyboardModifiers modifiers, |
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765 IStatusBar* statusBar) |
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766 { |
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767 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
|
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768 |
|
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769 switch (direction) |
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770 { |
|
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771 case MouseWheelDirection_Up: |
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772 OffsetSlice(-scale); |
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773 break; |
|
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774 |
|
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775 case MouseWheelDirection_Down: |
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776 OffsetSlice(scale); |
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777 break; |
|
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|
778 |
|
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779 default: |
|
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780 break; |
|
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781 } |
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|
782 } |
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|
783 |
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|
784 virtual void KeyPressed(WorldSceneWidget& widget, |
| 327 | 785 KeyboardKeys key, |
| 786 char keyChar, | |
|
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787 KeyboardModifiers modifiers, |
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788 IStatusBar* statusBar) |
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789 { |
| 327 | 790 switch (keyChar) |
|
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791 { |
|
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792 case 's': |
| 330 | 793 widget.FitContent(); |
|
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|
794 break; |
|
104
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|
795 |
|
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|
796 default: |
|
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changeset
|
797 break; |
|
104
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|
798 } |
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|
799 } |
|
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|
800 |
|
104
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|
801 public: |
|
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|
802 VolumeImageInteractor(OrthancVolumeImage& volume, |
|
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|
803 SliceViewerWidget& widget, |
|
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804 VolumeProjection projection) : |
|
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805 widget_(widget), |
|
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806 projection_(projection) |
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807 { |
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808 volume.Register(*this); |
|
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809 widget.SetInteractor(*this); |
|
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810 } |
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|
811 |
|
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|
812 bool IsGeometryReady() const |
|
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|
813 { |
|
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814 return slices_.get() != NULL; |
|
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815 } |
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|
816 |
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817 size_t GetSliceCount() const |
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818 { |
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819 if (slices_.get() == NULL) |
|
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|
820 { |
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821 return 0; |
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822 } |
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823 else |
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|
824 { |
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|
825 return slices_->GetSliceCount(); |
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826 } |
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|
827 } |
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|
828 |
|
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|
829 void OffsetSlice(int offset) |
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830 { |
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831 if (slices_.get() != NULL) |
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832 { |
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833 int slice = static_cast<int>(slice_) + offset; |
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|
834 |
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|
835 if (slice < 0) |
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836 { |
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837 slice = 0; |
|
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|
838 } |
|
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|
839 |
|
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|
840 if (slice >= static_cast<int>(slices_->GetSliceCount())) |
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|
841 { |
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|
842 slice = slices_->GetSliceCount() - 1; |
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843 } |
|
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|
844 |
|
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|
845 if (slice != static_cast<int>(slice_)) |
|
104
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|
846 { |
|
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diff
changeset
|
847 SetSlice(slice); |
|
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|
848 } |
|
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|
849 } |
|
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diff
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|
850 } |
|
318
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diff
changeset
|
851 |
|
104
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|
852 void SetSlice(size_t slice) |
|
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853 { |
|
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|
854 if (slices_.get() != NULL) |
|
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|
855 { |
|
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|
856 slice_ = slice; |
|
119
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diff
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|
857 |
|
ba83e38cf3ff
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diff
changeset
|
858 std::auto_ptr<Slice> tmp(slices_->GetSlice(slice_)); |
|
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|
859 widget_.SetSlice(tmp->GetGeometry()); |
|
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|
860 } |
|
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|
861 } |
|
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|
862 }; |
|
112
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
863 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
864 |
|
948f86e61e83
start of SliceLocationSource
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parents:
110
diff
changeset
|
865 |
|
396
ed7146fa2c98
rename ILayerSource as IVolumeSlicer, and OrthancFrameLayerSource as as DicomSeriesVolumeSlicer
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
866 class ReferenceLineSource : public VolumeSlicerBase |
|
112
948f86e61e83
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diff
changeset
|
867 { |
|
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diff
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|
868 private: |
|
381
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parents:
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diff
changeset
|
869 class RendererFactory : public LayerReadyMessage::IRendererFactory |
|
19bd222283ae
uncoupling LayerReadyMessage from the creation of the renderer
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diff
changeset
|
870 { |
|
19bd222283ae
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diff
changeset
|
871 private: |
|
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parents:
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diff
changeset
|
872 double x1_; |
|
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parents:
380
diff
changeset
|
873 double y1_; |
|
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parents:
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diff
changeset
|
874 double x2_; |
|
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diff
changeset
|
875 double y2_; |
|
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diff
changeset
|
876 const CoordinateSystem3D& slice_; |
|
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parents:
380
diff
changeset
|
877 |
|
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parents:
380
diff
changeset
|
878 public: |
|
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parents:
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diff
changeset
|
879 RendererFactory(double x1, |
|
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diff
changeset
|
880 double y1, |
|
19bd222283ae
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parents:
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diff
changeset
|
881 double x2, |
|
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parents:
380
diff
changeset
|
882 double y2, |
|
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parents:
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diff
changeset
|
883 const CoordinateSystem3D& slice) : |
|
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diff
changeset
|
884 x1_(x1), |
|
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parents:
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diff
changeset
|
885 y1_(y1), |
|
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parents:
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diff
changeset
|
886 x2_(x2), |
|
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diff
changeset
|
887 y2_(y2), |
|
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diff
changeset
|
888 slice_(slice) |
|
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diff
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|
889 { |
|
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diff
changeset
|
890 } |
|
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parents:
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diff
changeset
|
891 |
|
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diff
changeset
|
892 virtual ILayerRenderer* CreateRenderer() const |
|
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|
893 { |
|
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diff
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|
894 return new LineLayerRenderer(x1_, y1_, x2_, y2_, slice_); |
|
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diff
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|
895 } |
|
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parents:
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diff
changeset
|
896 }; |
|
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parents:
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diff
changeset
|
897 |
|
388
20f149669c1f
renamed LayerWidget as SliceViewerWidget
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
381
diff
changeset
|
898 SliceViewerWidget& otherPlane_; |
|
112
948f86e61e83
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diff
changeset
|
899 |
|
948f86e61e83
start of SliceLocationSource
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parents:
110
diff
changeset
|
900 public: |
|
390
0cb925325470
renamed SiblingSliceLocation as ReferenceLine
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
388
diff
changeset
|
901 ReferenceLineSource(MessageBroker& broker, |
|
0cb925325470
renamed SiblingSliceLocation as ReferenceLine
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
388
diff
changeset
|
902 SliceViewerWidget& otherPlane) : |
|
396
ed7146fa2c98
rename ILayerSource as IVolumeSlicer, and OrthancFrameLayerSource as as DicomSeriesVolumeSlicer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
390
diff
changeset
|
903 VolumeSlicerBase(broker), |
|
112
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
904 otherPlane_(otherPlane) |
|
948f86e61e83
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diff
changeset
|
905 { |
|
948f86e61e83
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parents:
110
diff
changeset
|
906 NotifyGeometryReady(); |
|
948f86e61e83
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110
diff
changeset
|
907 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
908 |
|
948f86e61e83
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parents:
110
diff
changeset
|
909 virtual bool GetExtent(std::vector<Vector>& points, |
|
948f86e61e83
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Sebastien Jodogne <s.jodogne@gmail.com>
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changeset
|
910 const CoordinateSystem3D& viewportSlice) |
|
948f86e61e83
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110
diff
changeset
|
911 { |
|
948f86e61e83
start of SliceLocationSource
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parents:
110
diff
changeset
|
912 return false; |
|
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|
913 } |
|
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|
914 |
|
948f86e61e83
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|
915 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
|
948f86e61e83
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|
916 { |
|
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|
917 Slice reference(viewportSlice, 0.001); |
|
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|
918 |
|
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|
919 Vector p, d; |
|
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|
920 |
|
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|
921 const CoordinateSystem3D& slice = otherPlane_.GetSlice(); |
|
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|
922 |
|
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start of SliceLocationSource
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|
923 // Compute the line of intersection between the two slices |
|
318
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924 if (!GeometryToolbox::IntersectTwoPlanes(p, d, |
|
112
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|
925 slice.GetOrigin(), slice.GetNormal(), |
|
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|
926 viewportSlice.GetOrigin(), viewportSlice.GetNormal())) |
|
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|
927 { |
|
948f86e61e83
start of SliceLocationSource
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changeset
|
928 // The two slice are parallel, don't try and display the intersection |
|
380
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ILayerSource::LayerErrorMessage
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|
929 NotifyLayerError(reference.GetGeometry()); |
|
112
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|
930 } |
|
948f86e61e83
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|
931 else |
|
948f86e61e83
start of SliceLocationSource
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changeset
|
932 { |
|
948f86e61e83
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|
933 double x1, y1, x2, y2; |
|
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|
934 viewportSlice.ProjectPoint(x1, y1, p); |
|
948f86e61e83
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|
935 viewportSlice.ProjectPoint(x2, y2, p + 1000.0 * d); |
|
948f86e61e83
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|
936 |
|
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|
937 const Extent2D extent = otherPlane_.GetSceneExtent(); |
|
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|
938 |
|
318
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|
939 if (GeometryToolbox::ClipLineToRectangle(x1, y1, x2, y2, |
|
112
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|
940 x1, y1, x2, y2, |
|
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|
941 extent.GetX1(), extent.GetY1(), |
|
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|
942 extent.GetX2(), extent.GetY2())) |
|
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|
943 { |
|
381
19bd222283ae
uncoupling LayerReadyMessage from the creation of the renderer
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parents:
380
diff
changeset
|
944 RendererFactory factory(x1, y1, x2, y2, slice); |
|
19bd222283ae
uncoupling LayerReadyMessage from the creation of the renderer
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diff
changeset
|
945 NotifyLayerReady(factory, reference.GetGeometry()); |
|
112
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|
946 } |
|
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|
947 else |
|
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|
948 { |
|
380
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ILayerSource::LayerErrorMessage
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378
diff
changeset
|
949 // Error: Parallel slices |
|
ba5ad93f935a
ILayerSource::LayerErrorMessage
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changeset
|
950 NotifyLayerError(reference.GetGeometry()); |
|
112
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|
951 } |
|
948f86e61e83
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parents:
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diff
changeset
|
952 } |
|
318
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diff
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|
953 } |
|
112
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|
954 }; |
| 102 | 955 } |