Mercurial > hg > orthanc-stone
annotate Framework/dev.h @ 117:42c05a3baee3 wasm
loading multi-frame instances as 3D volumes
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 28 Sep 2017 16:55:51 +0200 |
| parents | 2eca030792aa |
| children | ba83e38cf3ff |
| 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 | |
| 5 * Copyright (C) 2017 Osimis, Belgium | |
| 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. | |
| 16 * | |
| 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" | |
| 25 #include "Layers/LayerSourceBase.h" | |
| 26 #include "Layers/SliceOutlineRenderer.h" | |
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27 #include "Layers/LineLayerRenderer.h" |
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28 #include "Widgets/LayerWidget.h" |
| 102 | 29 #include "Toolbox/DownloadStack.h" |
| 30 #include "Toolbox/OrthancSlicesLoader.h" | |
| 31 #include "Volumes/ImageBuffer3D.h" | |
| 32 #include "Volumes/SlicedVolumeBase.h" | |
| 33 | |
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34 #include <Core/Logging.h> |
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35 #include <Core/Images/ImageProcessing.h> |
| 102 | 36 |
| 37 #include <boost/math/special_functions/round.hpp> | |
| 38 | |
| 39 | |
| 40 namespace OrthancStone | |
| 41 { | |
| 42 class OrthancVolumeImage : | |
| 43 public SlicedVolumeBase, | |
| 44 private OrthancSlicesLoader::ICallback | |
| 45 { | |
| 46 private: | |
| 47 OrthancSlicesLoader loader_; | |
| 48 std::auto_ptr<ImageBuffer3D> image_; | |
| 49 std::auto_ptr<DownloadStack> downloadStack_; | |
| 50 | |
| 51 | |
| 52 void ScheduleSliceDownload() | |
| 53 { | |
| 54 assert(downloadStack_.get() != NULL); | |
| 55 | |
| 56 unsigned int slice; | |
| 57 if (downloadStack_->Pop(slice)) | |
| 58 { | |
| 59 loader_.ScheduleLoadSliceImage(slice, SliceImageQuality_Jpeg90); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 | |
| 64 static bool IsCompatible(const Slice& a, | |
| 65 const Slice& b) | |
| 66 { | |
| 67 if (!GeometryToolbox::IsParallel(a.GetGeometry().GetNormal(), | |
| 68 b.GetGeometry().GetNormal())) | |
| 69 { | |
| 70 LOG(ERROR) << "Some slice in the volume image is not parallel to the others"; | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 if (a.GetConverter().GetExpectedPixelFormat() != b.GetConverter().GetExpectedPixelFormat()) | |
| 75 { | |
| 76 LOG(ERROR) << "The pixel format changes across the slices of the volume image"; | |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 if (a.GetWidth() != b.GetWidth() || | |
| 81 a.GetHeight() != b.GetHeight()) | |
| 82 { | |
| 83 LOG(ERROR) << "The width/height of the slices change across the volume image"; | |
| 84 return false; | |
| 85 } | |
| 86 | |
| 87 if (!GeometryToolbox::IsNear(a.GetPixelSpacingX(), b.GetPixelSpacingX()) || | |
| 88 !GeometryToolbox::IsNear(a.GetPixelSpacingY(), b.GetPixelSpacingY())) | |
| 89 { | |
| 90 LOG(ERROR) << "The pixel spacing of the slices change across the volume image"; | |
| 91 return false; | |
| 92 } | |
| 93 | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 | |
| 98 static double GetDistance(const Slice& a, | |
| 99 const Slice& b) | |
| 100 { | |
| 101 return fabs(a.GetGeometry().ProjectAlongNormal(a.GetGeometry().GetOrigin()) - | |
| 102 a.GetGeometry().ProjectAlongNormal(b.GetGeometry().GetOrigin())); | |
| 103 } | |
| 104 | |
| 105 | |
| 106 virtual void NotifyGeometryReady(const OrthancSlicesLoader& loader) | |
| 107 { | |
| 108 if (loader.GetSliceCount() == 0) | |
| 109 { | |
| 110 LOG(ERROR) << "Empty volume image"; | |
| 111 SlicedVolumeBase::NotifyGeometryError(); | |
| 112 return; | |
| 113 } | |
| 114 | |
| 115 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 116 { | |
| 117 if (!IsCompatible(loader.GetSlice(0), loader.GetSlice(i))) | |
| 118 { | |
| 119 SlicedVolumeBase::NotifyGeometryError(); | |
| 120 return; | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 double spacingZ; | |
| 125 | |
| 126 if (loader.GetSliceCount() > 1) | |
| 127 { | |
| 128 spacingZ = GetDistance(loader.GetSlice(0), loader.GetSlice(1)); | |
| 129 } | |
| 130 else | |
| 131 { | |
| 132 // This is a volume with one single slice: Choose a dummy | |
| 133 // z-dimension for voxels | |
| 134 spacingZ = 1; | |
| 135 } | |
| 136 | |
| 137 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 138 { | |
| 139 if (!GeometryToolbox::IsNear(spacingZ, GetDistance(loader.GetSlice(i - 1), loader.GetSlice(i)), | |
| 140 0.001 /* this is expressed in mm */)) | |
| 141 { | |
| 142 LOG(ERROR) << "The distance between successive slices is not constant in a volume image"; | |
| 143 SlicedVolumeBase::NotifyGeometryError(); | |
| 144 return; | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 unsigned int width = loader.GetSlice(0).GetWidth(); | |
| 149 unsigned int height = loader.GetSlice(0).GetHeight(); | |
| 150 Orthanc::PixelFormat format = loader.GetSlice(0).GetConverter().GetExpectedPixelFormat(); | |
| 151 LOG(INFO) << "Creating a volume image of size " << width << "x" << height | |
| 152 << "x" << loader.GetSliceCount() << " in " << Orthanc::EnumerationToString(format); | |
| 153 | |
| 154 image_.reset(new ImageBuffer3D(format, width, height, loader.GetSliceCount())); | |
| 155 image_->SetAxialGeometry(loader.GetSlice(0).GetGeometry()); | |
| 156 image_->SetVoxelDimensions(loader.GetSlice(0).GetPixelSpacingX(), | |
| 157 loader.GetSlice(0).GetPixelSpacingY(), spacingZ); | |
| 158 image_->Clear(); | |
| 159 | |
| 160 downloadStack_.reset(new DownloadStack(loader.GetSliceCount())); | |
| 161 | |
| 162 for (unsigned int i = 0; i < 4; i++) // Limit to 4 simultaneous downloads | |
| 163 { | |
| 164 ScheduleSliceDownload(); | |
| 165 } | |
| 166 | |
| 167 // TODO Check the DicomFrameConverter are constant | |
| 168 | |
| 169 SlicedVolumeBase::NotifyGeometryReady(); | |
| 170 } | |
| 171 | |
| 172 virtual void NotifyGeometryError(const OrthancSlicesLoader& loader) | |
| 173 { | |
| 174 LOG(ERROR) << "Unable to download a volume image"; | |
| 175 SlicedVolumeBase::NotifyGeometryError(); | |
| 176 } | |
| 177 | |
| 178 virtual void NotifySliceImageReady(const OrthancSlicesLoader& loader, | |
| 179 unsigned int sliceIndex, | |
| 180 const Slice& slice, | |
| 181 std::auto_ptr<Orthanc::ImageAccessor>& image, | |
| 182 SliceImageQuality quality) | |
| 183 { | |
| 184 { | |
| 185 ImageBuffer3D::SliceWriter writer(*image_, VolumeProjection_Axial, sliceIndex); | |
| 186 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), *image); | |
| 187 } | |
| 188 | |
| 189 SlicedVolumeBase::NotifySliceChange(sliceIndex, slice); | |
| 190 | |
| 191 ScheduleSliceDownload(); | |
| 192 } | |
| 193 | |
| 194 virtual void NotifySliceImageError(const OrthancSlicesLoader& loader, | |
| 195 unsigned int sliceIndex, | |
| 196 const Slice& slice, | |
| 197 SliceImageQuality quality) | |
| 198 { | |
| 199 LOG(ERROR) << "Cannot download slice " << sliceIndex << " in a volume image"; | |
| 200 ScheduleSliceDownload(); | |
| 201 } | |
| 202 | |
| 203 public: | |
| 204 OrthancVolumeImage(IWebService& orthanc) : | |
| 205 loader_(*this, orthanc) | |
| 206 { | |
| 207 } | |
| 208 | |
| 209 void ScheduleLoadSeries(const std::string& seriesId) | |
| 210 { | |
| 211 loader_.ScheduleLoadSeries(seriesId); | |
| 212 } | |
| 213 | |
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214 void ScheduleLoadInstance(const std::string& instanceId) |
| 102 | 215 { |
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216 loader_.ScheduleLoadInstance(instanceId); |
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217 } |
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218 |
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219 void ScheduleLoadFrame(const std::string& instanceId, |
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220 unsigned int frame) |
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221 { |
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222 loader_.ScheduleLoadFrame(instanceId, frame); |
| 102 | 223 } |
| 224 | |
| 225 virtual size_t GetSliceCount() const | |
| 226 { | |
| 227 return loader_.GetSliceCount(); | |
| 228 } | |
| 229 | |
| 230 virtual const Slice& GetSlice(size_t index) const | |
| 231 { | |
| 232 return loader_.GetSlice(index); | |
| 233 } | |
| 234 | |
| 235 ImageBuffer3D& GetImage() const | |
| 236 { | |
| 237 if (image_.get() == NULL) | |
| 238 { | |
| 239 // The geometry is not ready yet | |
| 240 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 241 } | |
| 242 else | |
| 243 { | |
| 244 return *image_; | |
| 245 } | |
| 246 } | |
| 247 }; | |
| 248 | |
| 249 | |
| 250 class VolumeImageGeometry | |
| 251 { | |
| 252 private: | |
| 253 unsigned int width_; | |
| 254 unsigned int height_; | |
| 255 size_t depth_; | |
| 256 double pixelSpacingX_; | |
| 257 double pixelSpacingY_; | |
| 258 double sliceThickness_; | |
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259 CoordinateSystem3D reference_; |
| 102 | 260 DicomFrameConverter converter_; |
| 261 | |
| 262 double ComputeAxialThickness(const OrthancVolumeImage& volume) const | |
| 263 { | |
| 264 double thickness; | |
| 265 | |
| 266 size_t n = volume.GetSliceCount(); | |
| 267 if (n > 1) | |
| 268 { | |
| 269 const Slice& a = volume.GetSlice(0); | |
| 270 const Slice& b = volume.GetSlice(n - 1); | |
| 271 thickness = ((reference_.ProjectAlongNormal(b.GetGeometry().GetOrigin()) - | |
| 272 reference_.ProjectAlongNormal(a.GetGeometry().GetOrigin())) / | |
| 273 (static_cast<double>(n) - 1.0)); | |
| 274 } | |
| 275 else | |
| 276 { | |
| 277 thickness = volume.GetSlice(0).GetThickness(); | |
| 278 } | |
| 279 | |
| 280 if (thickness <= 0) | |
| 281 { | |
| 282 // The slices should have been sorted with increasing Z | |
| 283 // (along the normal) by the OrthancSlicesLoader | |
| 284 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 285 } | |
| 286 else | |
| 287 { | |
| 288 return thickness; | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 void SetupAxial(const OrthancVolumeImage& volume) | |
| 293 { | |
| 294 const Slice& axial = volume.GetSlice(0); | |
| 295 | |
| 296 width_ = axial.GetWidth(); | |
| 297 height_ = axial.GetHeight(); | |
| 298 depth_ = volume.GetSliceCount(); | |
| 299 | |
| 300 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 301 pixelSpacingY_ = axial.GetPixelSpacingY(); | |
| 302 sliceThickness_ = ComputeAxialThickness(volume); | |
| 303 | |
| 304 reference_ = axial.GetGeometry(); | |
| 305 } | |
| 306 | |
| 307 void SetupCoronal(const OrthancVolumeImage& volume) | |
| 308 { | |
| 309 const Slice& axial = volume.GetSlice(0); | |
| 310 double axialThickness = ComputeAxialThickness(volume); | |
| 311 | |
| 312 width_ = axial.GetWidth(); | |
| 313 height_ = volume.GetSliceCount(); | |
| 314 depth_ = axial.GetHeight(); | |
| 315 | |
| 316 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 317 pixelSpacingY_ = axialThickness; | |
| 318 sliceThickness_ = axial.GetPixelSpacingY(); | |
| 319 | |
| 320 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 321 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 322 axialThickness * axial.GetGeometry().GetNormal()); | |
| 323 | |
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324 reference_ = CoordinateSystem3D(origin, |
| 102 | 325 axial.GetGeometry().GetAxisX(), |
| 326 -axial.GetGeometry().GetNormal()); | |
| 327 } | |
| 328 | |
| 329 void SetupSagittal(const OrthancVolumeImage& volume) | |
| 330 { | |
| 331 const Slice& axial = volume.GetSlice(0); | |
| 332 double axialThickness = ComputeAxialThickness(volume); | |
| 333 | |
| 334 width_ = axial.GetHeight(); | |
| 335 height_ = volume.GetSliceCount(); | |
| 336 depth_ = axial.GetWidth(); | |
| 337 | |
| 338 pixelSpacingX_ = axial.GetPixelSpacingY(); | |
| 339 pixelSpacingY_ = axialThickness; | |
| 340 sliceThickness_ = axial.GetPixelSpacingX(); | |
| 341 | |
| 342 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 343 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 344 axialThickness * axial.GetGeometry().GetNormal()); | |
| 345 | |
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346 reference_ = CoordinateSystem3D(origin, |
| 102 | 347 axial.GetGeometry().GetAxisY(), |
| 348 axial.GetGeometry().GetNormal()); | |
| 349 } | |
| 350 | |
| 351 public: | |
| 352 VolumeImageGeometry(const OrthancVolumeImage& volume, | |
| 353 VolumeProjection projection) | |
| 354 { | |
| 355 if (volume.GetSliceCount() == 0) | |
| 356 { | |
| 357 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 358 } | |
| 359 | |
| 360 converter_ = volume.GetSlice(0).GetConverter(); | |
| 361 | |
| 362 switch (projection) | |
| 363 { | |
| 364 case VolumeProjection_Axial: | |
| 365 SetupAxial(volume); | |
| 366 break; | |
| 367 | |
| 368 case VolumeProjection_Coronal: | |
| 369 SetupCoronal(volume); | |
| 370 break; | |
| 371 | |
| 372 case VolumeProjection_Sagittal: | |
| 373 SetupSagittal(volume); | |
| 374 break; | |
| 375 | |
| 376 default: | |
| 377 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 size_t GetSliceCount() const | |
| 382 { | |
| 383 return depth_; | |
| 384 } | |
| 385 | |
| 386 const Vector& GetNormal() const | |
| 387 { | |
| 388 return reference_.GetNormal(); | |
| 389 } | |
| 390 | |
| 391 bool LookupSlice(size_t& index, | |
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392 const CoordinateSystem3D& slice) const |
| 102 | 393 { |
| 394 bool opposite; | |
| 395 if (!GeometryToolbox::IsParallelOrOpposite(opposite, | |
| 396 reference_.GetNormal(), | |
| 397 slice.GetNormal())) | |
| 398 { | |
| 399 return false; | |
| 400 } | |
| 401 | |
| 402 double z = (reference_.ProjectAlongNormal(slice.GetOrigin()) - | |
| 403 reference_.ProjectAlongNormal(reference_.GetOrigin())) / sliceThickness_; | |
| 404 | |
| 405 int s = static_cast<int>(boost::math::iround(z)); | |
| 406 | |
| 407 if (s < 0 || | |
| 408 s >= static_cast<int>(depth_)) | |
| 409 { | |
| 410 return false; | |
| 411 } | |
| 412 else | |
| 413 { | |
| 414 index = static_cast<size_t>(s); | |
| 415 return true; | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 Slice GetSlice(size_t slice) const | |
| 420 { | |
| 421 if (slice < 0 || | |
| 422 slice >= depth_) | |
| 423 { | |
| 424 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 425 } | |
| 426 else | |
| 427 { | |
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428 CoordinateSystem3D origin(reference_.GetOrigin() + |
| 102 | 429 static_cast<double>(slice) * sliceThickness_ * reference_.GetNormal(), |
| 430 reference_.GetAxisX(), | |
| 431 reference_.GetAxisY()); | |
| 432 | |
| 433 return Slice(origin, pixelSpacingX_, pixelSpacingY_, sliceThickness_, | |
| 434 width_, height_, converter_); | |
| 435 } | |
| 436 } | |
| 437 }; | |
| 438 | |
| 439 | |
| 440 | |
| 441 class VolumeImageSource : | |
| 442 public LayerSourceBase, | |
| 443 private ISlicedVolume::IObserver | |
| 444 { | |
| 445 private: | |
| 446 OrthancVolumeImage& volume_; | |
| 447 std::auto_ptr<VolumeImageGeometry> axialGeometry_; | |
| 448 std::auto_ptr<VolumeImageGeometry> coronalGeometry_; | |
| 449 std::auto_ptr<VolumeImageGeometry> sagittalGeometry_; | |
| 450 | |
| 451 | |
| 452 bool IsGeometryReady() const | |
| 453 { | |
| 454 return axialGeometry_.get() != NULL; | |
| 455 } | |
| 456 | |
| 457 | |
| 458 virtual void NotifyGeometryReady(const ISlicedVolume& volume) | |
| 459 { | |
| 460 // These 3 values are only used to speed up the ILayerSource | |
| 461 axialGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Axial)); | |
| 462 coronalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Coronal)); | |
| 463 sagittalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Sagittal)); | |
| 464 | |
| 465 LayerSourceBase::NotifyGeometryReady(); | |
| 466 } | |
| 467 | |
| 468 virtual void NotifyGeometryError(const ISlicedVolume& volume) | |
| 469 { | |
| 470 LayerSourceBase::NotifyGeometryError(); | |
| 471 } | |
| 472 | |
| 473 virtual void NotifyContentChange(const ISlicedVolume& volume) | |
| 474 { | |
| 475 LayerSourceBase::NotifyContentChange(); | |
| 476 } | |
| 477 | |
| 478 virtual void NotifySliceChange(const ISlicedVolume& volume, | |
| 479 const size_t& sliceIndex, | |
| 480 const Slice& slice) | |
| 481 { | |
| 482 //LayerSourceBase::NotifySliceChange(slice); | |
| 483 | |
| 484 // TODO Improve this? | |
| 485 LayerSourceBase::NotifyContentChange(); | |
| 486 } | |
| 487 | |
| 488 | |
| 489 const VolumeImageGeometry& GetProjectionGeometry(VolumeProjection projection) | |
| 490 { | |
| 491 if (!IsGeometryReady()) | |
| 492 { | |
| 493 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 494 } | |
| 495 | |
| 496 switch (projection) | |
| 497 { | |
| 498 case VolumeProjection_Axial: | |
| 499 return *axialGeometry_; | |
| 500 | |
| 501 case VolumeProjection_Sagittal: | |
| 502 return *sagittalGeometry_; | |
| 503 | |
| 504 case VolumeProjection_Coronal: | |
| 505 return *coronalGeometry_; | |
| 506 | |
| 507 default: | |
| 508 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 | |
| 513 bool DetectProjection(VolumeProjection& projection, | |
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514 const CoordinateSystem3D& viewportSlice) |
| 102 | 515 { |
| 516 bool isOpposite; // Ignored | |
| 517 | |
| 518 if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 519 viewportSlice.GetNormal(), | |
| 520 axialGeometry_->GetNormal())) | |
| 521 { | |
| 522 projection = VolumeProjection_Axial; | |
| 523 return true; | |
| 524 } | |
| 525 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 526 viewportSlice.GetNormal(), | |
| 527 sagittalGeometry_->GetNormal())) | |
| 528 { | |
| 529 projection = VolumeProjection_Sagittal; | |
| 530 return true; | |
| 531 } | |
| 532 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 533 viewportSlice.GetNormal(), | |
| 534 coronalGeometry_->GetNormal())) | |
| 535 { | |
| 536 projection = VolumeProjection_Coronal; | |
| 537 return true; | |
| 538 } | |
| 539 else | |
| 540 { | |
| 541 return false; | |
| 542 } | |
| 543 } | |
| 544 | |
| 545 | |
| 546 public: | |
| 547 VolumeImageSource(OrthancVolumeImage& volume) : | |
| 548 volume_(volume) | |
| 549 { | |
| 550 volume_.Register(*this); | |
| 551 } | |
| 552 | |
| 553 virtual bool GetExtent(std::vector<Vector>& points, | |
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554 const CoordinateSystem3D& viewportSlice) |
| 102 | 555 { |
| 556 VolumeProjection projection; | |
| 557 | |
| 558 if (!IsGeometryReady() || | |
| 559 !DetectProjection(projection, viewportSlice)) | |
| 560 { | |
| 561 return false; | |
| 562 } | |
| 563 else | |
| 564 { | |
| 565 // As the slices of the volumic image are arranged in a box, | |
| 566 // we only consider one single reference slice (the one with index 0). | |
| 567 GetProjectionGeometry(projection).GetSlice(0).GetExtent(points); | |
| 568 | |
| 569 return true; | |
| 570 } | |
| 571 } | |
| 572 | |
| 573 | |
|
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574 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
| 102 | 575 { |
| 576 VolumeProjection projection; | |
| 577 | |
| 578 if (IsGeometryReady() && | |
| 579 DetectProjection(projection, viewportSlice)) | |
| 580 { | |
| 581 const VolumeImageGeometry& geometry = GetProjectionGeometry(projection); | |
| 582 | |
| 583 size_t closest; | |
| 584 | |
| 585 if (geometry.LookupSlice(closest, viewportSlice)) | |
| 586 { | |
| 587 bool isFullQuality = true; // TODO | |
| 588 | |
| 589 std::auto_ptr<Orthanc::Image> frame; | |
| 590 | |
| 591 { | |
| 592 ImageBuffer3D::SliceReader reader(volume_.GetImage(), projection, closest); | |
| 593 | |
| 594 // TODO Transfer ownership if non-axial, to avoid memcpy | |
| 595 frame.reset(Orthanc::Image::Clone(reader.GetAccessor())); | |
| 596 } | |
| 597 | |
| 598 Slice slice = geometry.GetSlice(closest); | |
| 599 LayerSourceBase::NotifyLayerReady( | |
| 600 FrameRenderer::CreateRenderer(frame.release(), slice, isFullQuality), | |
| 601 //new SliceOutlineRenderer(slice), | |
| 602 slice, false); | |
| 603 return; | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 // Error | |
| 608 Slice slice; | |
| 609 LayerSourceBase::NotifyLayerReady(NULL, slice, true); | |
| 610 } | |
| 611 }; | |
|
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612 |
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613 |
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614 class VolumeImageInteractor : |
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615 public IWorldSceneInteractor, |
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616 private ISlicedVolume::IObserver |
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617 { |
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618 private: |
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619 LayerWidget& widget_; |
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620 VolumeProjection projection_; |
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621 std::auto_ptr<VolumeImageGeometry> slices_; |
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622 size_t slice_; |
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623 |
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624 virtual void NotifyGeometryReady(const ISlicedVolume& volume) |
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625 { |
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626 if (slices_.get() == NULL) |
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627 { |
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628 const OrthancVolumeImage& image = dynamic_cast<const OrthancVolumeImage&>(volume); |
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629 |
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630 slices_.reset(new VolumeImageGeometry(image, projection_)); |
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631 SetSlice(slices_->GetSliceCount() / 2); |
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632 |
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633 widget_.SetDefaultView(); |
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634 } |
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635 } |
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636 |
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637 virtual void NotifyGeometryError(const ISlicedVolume& volume) |
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638 { |
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639 } |
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640 |
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641 virtual void NotifyContentChange(const ISlicedVolume& volume) |
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642 { |
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643 } |
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644 |
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645 virtual void NotifySliceChange(const ISlicedVolume& volume, |
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646 const size_t& sliceIndex, |
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647 const Slice& slice) |
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648 { |
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649 } |
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650 |
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651 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
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652 const ViewportGeometry& view, |
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653 MouseButton button, |
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654 double x, |
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655 double y, |
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656 IStatusBar* statusBar) |
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657 { |
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658 return NULL; |
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659 } |
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660 |
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661 virtual void MouseOver(CairoContext& context, |
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662 WorldSceneWidget& widget, |
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663 const ViewportGeometry& view, |
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664 double x, |
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665 double y, |
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666 IStatusBar* statusBar) |
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667 { |
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668 } |
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669 |
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670 virtual void MouseWheel(WorldSceneWidget& widget, |
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671 MouseWheelDirection direction, |
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672 KeyboardModifiers modifiers, |
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673 IStatusBar* statusBar) |
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674 { |
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675 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
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676 |
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677 switch (direction) |
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678 { |
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679 case MouseWheelDirection_Up: |
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680 OffsetSlice(-scale); |
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681 break; |
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682 |
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683 case MouseWheelDirection_Down: |
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684 OffsetSlice(scale); |
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685 break; |
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686 |
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687 default: |
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688 break; |
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689 } |
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690 } |
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691 |
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692 virtual void KeyPressed(WorldSceneWidget& widget, |
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693 char key, |
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694 KeyboardModifiers modifiers, |
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695 IStatusBar* statusBar) |
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696 { |
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697 switch (key) |
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698 { |
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699 case 's': |
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700 widget.SetDefaultView(); |
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701 break; |
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702 |
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703 default: |
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704 break; |
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705 } |
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706 } |
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707 |
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708 public: |
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709 VolumeImageInteractor(OrthancVolumeImage& volume, |
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710 LayerWidget& widget, |
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711 VolumeProjection projection) : |
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712 widget_(widget), |
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713 projection_(projection) |
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714 { |
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715 volume.Register(*this); |
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716 widget.SetInteractor(*this); |
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717 } |
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718 |
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719 bool IsGeometryReady() const |
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720 { |
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721 return slices_.get() != NULL; |
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722 } |
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723 |
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|
724 size_t GetSliceCount() const |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
725 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
726 if (slices_.get() == NULL) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
727 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
728 return 0; |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
729 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
730 else |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
731 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
732 return slices_->GetSliceCount(); |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
733 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
734 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
735 |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
736 void OffsetSlice(int offset) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
737 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
738 if (slices_.get() != NULL) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
739 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
740 int slice = static_cast<int>(slice_) + offset; |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
741 |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
742 if (slice < 0) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
743 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
744 slice = 0; |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
745 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
746 |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
747 if (slice >= static_cast<int>(slices_->GetSliceCount())) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
748 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
749 slice = slices_->GetSliceCount() - 1; |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
750 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
751 |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
752 if (slice != static_cast<int>(slice_)) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
753 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
754 SetSlice(slice); |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
755 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
756 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
757 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
758 |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
759 void SetSlice(size_t slice) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
760 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
761 if (slices_.get() != NULL) |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
762 { |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
763 slice_ = slice; |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
764 widget_.SetSlice(slices_->GetSlice(slice_).GetGeometry()); |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
765 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
766 } |
|
eccd64f8e297
VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
changeset
|
767 }; |
|
112
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
768 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
769 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
770 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
771 class SliceLocationSource : public LayerSourceBase |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
772 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
773 private: |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
774 LayerWidget& otherPlane_; |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
775 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
776 public: |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
777 SliceLocationSource(LayerWidget& otherPlane) : |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
778 otherPlane_(otherPlane) |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
779 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
780 NotifyGeometryReady(); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
781 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
782 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
783 virtual bool GetExtent(std::vector<Vector>& points, |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
784 const CoordinateSystem3D& viewportSlice) |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
785 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
786 return false; |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
787 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
788 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
789 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
790 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
791 Slice reference(viewportSlice, 0.001); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
792 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
793 Vector p, d; |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
794 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
795 const CoordinateSystem3D& slice = otherPlane_.GetSlice(); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
796 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
797 // Compute the line of intersection between the two slices |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
798 if (!GeometryToolbox::IntersectTwoPlanes(p, d, |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
799 slice.GetOrigin(), slice.GetNormal(), |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
800 viewportSlice.GetOrigin(), viewportSlice.GetNormal())) |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
801 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
802 // The two slice are parallel, don't try and display the intersection |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
803 NotifyLayerReady(NULL, reference, false); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
804 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
805 else |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
806 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
807 double x1, y1, x2, y2; |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
808 viewportSlice.ProjectPoint(x1, y1, p); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
809 viewportSlice.ProjectPoint(x2, y2, p + 1000.0 * d); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
810 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
811 const Extent2D extent = otherPlane_.GetSceneExtent(); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
812 |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
813 if (GeometryToolbox::ClipLineToRectangle(x1, y1, x2, y2, |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
814 x1, y1, x2, y2, |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
815 extent.GetX1(), extent.GetY1(), |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
816 extent.GetX2(), extent.GetY2())) |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
817 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
818 NotifyLayerReady(new LineLayerRenderer(x1, y1, x2, y2, slice), reference, false); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
819 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
820 else |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
821 { |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
822 // Parallel slices |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
823 NotifyLayerReady(NULL, reference, false); |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
824 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
825 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
826 } |
|
948f86e61e83
start of SliceLocationSource
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
110
diff
changeset
|
827 }; |
| 102 | 828 } |