Mercurial > hg > orthanc-stone
annotate Framework/dev.h @ 110:53025eecbc95 wasm
renamed SliceGeometry as CoordinateSystem3D
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 14 Jun 2017 15:50:38 +0200 |
| parents | eccd64f8e297 |
| children | 948f86e61e83 |
| 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 "Widgets/LayerWidget.h" |
| 102 | 28 #include "Toolbox/DownloadStack.h" |
| 29 #include "Toolbox/OrthancSlicesLoader.h" | |
| 30 #include "Volumes/ImageBuffer3D.h" | |
| 31 #include "Volumes/SlicedVolumeBase.h" | |
| 32 | |
| 33 #include "../Resources/Orthanc/Core/Logging.h" | |
| 34 #include "../Resources/Orthanc/Core/Images/ImageProcessing.h" | |
| 35 | |
| 36 #include <boost/math/special_functions/round.hpp> | |
| 37 | |
| 38 | |
| 39 namespace OrthancStone | |
| 40 { | |
| 41 class OrthancVolumeImage : | |
| 42 public SlicedVolumeBase, | |
| 43 private OrthancSlicesLoader::ICallback | |
| 44 { | |
| 45 private: | |
| 46 OrthancSlicesLoader loader_; | |
| 47 std::auto_ptr<ImageBuffer3D> image_; | |
| 48 std::auto_ptr<DownloadStack> downloadStack_; | |
| 49 | |
| 50 | |
| 51 void ScheduleSliceDownload() | |
| 52 { | |
| 53 assert(downloadStack_.get() != NULL); | |
| 54 | |
| 55 unsigned int slice; | |
| 56 if (downloadStack_->Pop(slice)) | |
| 57 { | |
| 58 loader_.ScheduleLoadSliceImage(slice, SliceImageQuality_Jpeg90); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 static bool IsCompatible(const Slice& a, | |
| 64 const Slice& b) | |
| 65 { | |
| 66 if (!GeometryToolbox::IsParallel(a.GetGeometry().GetNormal(), | |
| 67 b.GetGeometry().GetNormal())) | |
| 68 { | |
| 69 LOG(ERROR) << "Some slice in the volume image is not parallel to the others"; | |
| 70 return false; | |
| 71 } | |
| 72 | |
| 73 if (a.GetConverter().GetExpectedPixelFormat() != b.GetConverter().GetExpectedPixelFormat()) | |
| 74 { | |
| 75 LOG(ERROR) << "The pixel format changes across the slices of the volume image"; | |
| 76 return false; | |
| 77 } | |
| 78 | |
| 79 if (a.GetWidth() != b.GetWidth() || | |
| 80 a.GetHeight() != b.GetHeight()) | |
| 81 { | |
| 82 LOG(ERROR) << "The width/height of the slices change across the volume image"; | |
| 83 return false; | |
| 84 } | |
| 85 | |
| 86 if (!GeometryToolbox::IsNear(a.GetPixelSpacingX(), b.GetPixelSpacingX()) || | |
| 87 !GeometryToolbox::IsNear(a.GetPixelSpacingY(), b.GetPixelSpacingY())) | |
| 88 { | |
| 89 LOG(ERROR) << "The pixel spacing of the slices change across the volume image"; | |
| 90 return false; | |
| 91 } | |
| 92 | |
| 93 return true; | |
| 94 } | |
| 95 | |
| 96 | |
| 97 static double GetDistance(const Slice& a, | |
| 98 const Slice& b) | |
| 99 { | |
| 100 return fabs(a.GetGeometry().ProjectAlongNormal(a.GetGeometry().GetOrigin()) - | |
| 101 a.GetGeometry().ProjectAlongNormal(b.GetGeometry().GetOrigin())); | |
| 102 } | |
| 103 | |
| 104 | |
| 105 virtual void NotifyGeometryReady(const OrthancSlicesLoader& loader) | |
| 106 { | |
| 107 if (loader.GetSliceCount() == 0) | |
| 108 { | |
| 109 LOG(ERROR) << "Empty volume image"; | |
| 110 SlicedVolumeBase::NotifyGeometryError(); | |
| 111 return; | |
| 112 } | |
| 113 | |
| 114 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 115 { | |
| 116 if (!IsCompatible(loader.GetSlice(0), loader.GetSlice(i))) | |
| 117 { | |
| 118 SlicedVolumeBase::NotifyGeometryError(); | |
| 119 return; | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 double spacingZ; | |
| 124 | |
| 125 if (loader.GetSliceCount() > 1) | |
| 126 { | |
| 127 spacingZ = GetDistance(loader.GetSlice(0), loader.GetSlice(1)); | |
| 128 } | |
| 129 else | |
| 130 { | |
| 131 // This is a volume with one single slice: Choose a dummy | |
| 132 // z-dimension for voxels | |
| 133 spacingZ = 1; | |
| 134 } | |
| 135 | |
| 136 for (size_t i = 1; i < loader.GetSliceCount(); i++) | |
| 137 { | |
| 138 if (!GeometryToolbox::IsNear(spacingZ, GetDistance(loader.GetSlice(i - 1), loader.GetSlice(i)), | |
| 139 0.001 /* this is expressed in mm */)) | |
| 140 { | |
| 141 LOG(ERROR) << "The distance between successive slices is not constant in a volume image"; | |
| 142 SlicedVolumeBase::NotifyGeometryError(); | |
| 143 return; | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 unsigned int width = loader.GetSlice(0).GetWidth(); | |
| 148 unsigned int height = loader.GetSlice(0).GetHeight(); | |
| 149 Orthanc::PixelFormat format = loader.GetSlice(0).GetConverter().GetExpectedPixelFormat(); | |
| 150 LOG(INFO) << "Creating a volume image of size " << width << "x" << height | |
| 151 << "x" << loader.GetSliceCount() << " in " << Orthanc::EnumerationToString(format); | |
| 152 | |
| 153 image_.reset(new ImageBuffer3D(format, width, height, loader.GetSliceCount())); | |
| 154 image_->SetAxialGeometry(loader.GetSlice(0).GetGeometry()); | |
| 155 image_->SetVoxelDimensions(loader.GetSlice(0).GetPixelSpacingX(), | |
| 156 loader.GetSlice(0).GetPixelSpacingY(), spacingZ); | |
| 157 image_->Clear(); | |
| 158 | |
| 159 downloadStack_.reset(new DownloadStack(loader.GetSliceCount())); | |
| 160 | |
| 161 for (unsigned int i = 0; i < 4; i++) // Limit to 4 simultaneous downloads | |
| 162 { | |
| 163 ScheduleSliceDownload(); | |
| 164 } | |
| 165 | |
| 166 // TODO Check the DicomFrameConverter are constant | |
| 167 | |
| 168 SlicedVolumeBase::NotifyGeometryReady(); | |
| 169 } | |
| 170 | |
| 171 virtual void NotifyGeometryError(const OrthancSlicesLoader& loader) | |
| 172 { | |
| 173 LOG(ERROR) << "Unable to download a volume image"; | |
| 174 SlicedVolumeBase::NotifyGeometryError(); | |
| 175 } | |
| 176 | |
| 177 virtual void NotifySliceImageReady(const OrthancSlicesLoader& loader, | |
| 178 unsigned int sliceIndex, | |
| 179 const Slice& slice, | |
| 180 std::auto_ptr<Orthanc::ImageAccessor>& image, | |
| 181 SliceImageQuality quality) | |
| 182 { | |
| 183 { | |
| 184 ImageBuffer3D::SliceWriter writer(*image_, VolumeProjection_Axial, sliceIndex); | |
| 185 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), *image); | |
| 186 } | |
| 187 | |
| 188 SlicedVolumeBase::NotifySliceChange(sliceIndex, slice); | |
| 189 | |
| 190 ScheduleSliceDownload(); | |
| 191 } | |
| 192 | |
| 193 virtual void NotifySliceImageError(const OrthancSlicesLoader& loader, | |
| 194 unsigned int sliceIndex, | |
| 195 const Slice& slice, | |
| 196 SliceImageQuality quality) | |
| 197 { | |
| 198 LOG(ERROR) << "Cannot download slice " << sliceIndex << " in a volume image"; | |
| 199 ScheduleSliceDownload(); | |
| 200 } | |
| 201 | |
| 202 public: | |
| 203 OrthancVolumeImage(IWebService& orthanc) : | |
| 204 loader_(*this, orthanc) | |
| 205 { | |
| 206 } | |
| 207 | |
| 208 void ScheduleLoadSeries(const std::string& seriesId) | |
| 209 { | |
| 210 loader_.ScheduleLoadSeries(seriesId); | |
| 211 } | |
| 212 | |
| 213 void ScheduleLoadInstance(const std::string& instanceId, | |
| 214 unsigned int frame) | |
| 215 { | |
| 216 loader_.ScheduleLoadInstance(instanceId, frame); | |
| 217 } | |
| 218 | |
| 219 virtual size_t GetSliceCount() const | |
| 220 { | |
| 221 return loader_.GetSliceCount(); | |
| 222 } | |
| 223 | |
| 224 virtual const Slice& GetSlice(size_t index) const | |
| 225 { | |
| 226 return loader_.GetSlice(index); | |
| 227 } | |
| 228 | |
| 229 ImageBuffer3D& GetImage() const | |
| 230 { | |
| 231 if (image_.get() == NULL) | |
| 232 { | |
| 233 // The geometry is not ready yet | |
| 234 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 235 } | |
| 236 else | |
| 237 { | |
| 238 return *image_; | |
| 239 } | |
| 240 } | |
| 241 }; | |
| 242 | |
| 243 | |
| 244 class VolumeImageGeometry | |
| 245 { | |
| 246 private: | |
| 247 unsigned int width_; | |
| 248 unsigned int height_; | |
| 249 size_t depth_; | |
| 250 double pixelSpacingX_; | |
| 251 double pixelSpacingY_; | |
| 252 double sliceThickness_; | |
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changeset
|
253 CoordinateSystem3D reference_; |
| 102 | 254 DicomFrameConverter converter_; |
| 255 | |
| 256 double ComputeAxialThickness(const OrthancVolumeImage& volume) const | |
| 257 { | |
| 258 double thickness; | |
| 259 | |
| 260 size_t n = volume.GetSliceCount(); | |
| 261 if (n > 1) | |
| 262 { | |
| 263 const Slice& a = volume.GetSlice(0); | |
| 264 const Slice& b = volume.GetSlice(n - 1); | |
| 265 thickness = ((reference_.ProjectAlongNormal(b.GetGeometry().GetOrigin()) - | |
| 266 reference_.ProjectAlongNormal(a.GetGeometry().GetOrigin())) / | |
| 267 (static_cast<double>(n) - 1.0)); | |
| 268 } | |
| 269 else | |
| 270 { | |
| 271 thickness = volume.GetSlice(0).GetThickness(); | |
| 272 } | |
| 273 | |
| 274 if (thickness <= 0) | |
| 275 { | |
| 276 // The slices should have been sorted with increasing Z | |
| 277 // (along the normal) by the OrthancSlicesLoader | |
| 278 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 279 } | |
| 280 else | |
| 281 { | |
| 282 return thickness; | |
| 283 } | |
| 284 } | |
| 285 | |
| 286 void SetupAxial(const OrthancVolumeImage& volume) | |
| 287 { | |
| 288 const Slice& axial = volume.GetSlice(0); | |
| 289 | |
| 290 width_ = axial.GetWidth(); | |
| 291 height_ = axial.GetHeight(); | |
| 292 depth_ = volume.GetSliceCount(); | |
| 293 | |
| 294 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 295 pixelSpacingY_ = axial.GetPixelSpacingY(); | |
| 296 sliceThickness_ = ComputeAxialThickness(volume); | |
| 297 | |
| 298 reference_ = axial.GetGeometry(); | |
| 299 } | |
| 300 | |
| 301 void SetupCoronal(const OrthancVolumeImage& volume) | |
| 302 { | |
| 303 const Slice& axial = volume.GetSlice(0); | |
| 304 double axialThickness = ComputeAxialThickness(volume); | |
| 305 | |
| 306 width_ = axial.GetWidth(); | |
| 307 height_ = volume.GetSliceCount(); | |
| 308 depth_ = axial.GetHeight(); | |
| 309 | |
| 310 pixelSpacingX_ = axial.GetPixelSpacingX(); | |
| 311 pixelSpacingY_ = axialThickness; | |
| 312 sliceThickness_ = axial.GetPixelSpacingY(); | |
| 313 | |
| 314 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 315 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 316 axialThickness * axial.GetGeometry().GetNormal()); | |
| 317 | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
318 reference_ = CoordinateSystem3D(origin, |
| 102 | 319 axial.GetGeometry().GetAxisX(), |
| 320 -axial.GetGeometry().GetNormal()); | |
| 321 } | |
| 322 | |
| 323 void SetupSagittal(const OrthancVolumeImage& volume) | |
| 324 { | |
| 325 const Slice& axial = volume.GetSlice(0); | |
| 326 double axialThickness = ComputeAxialThickness(volume); | |
| 327 | |
| 328 width_ = axial.GetHeight(); | |
| 329 height_ = volume.GetSliceCount(); | |
| 330 depth_ = axial.GetWidth(); | |
| 331 | |
| 332 pixelSpacingX_ = axial.GetPixelSpacingY(); | |
| 333 pixelSpacingY_ = axialThickness; | |
| 334 sliceThickness_ = axial.GetPixelSpacingX(); | |
| 335 | |
| 336 Vector origin = axial.GetGeometry().GetOrigin(); | |
| 337 origin += (static_cast<double>(volume.GetSliceCount() - 1) * | |
| 338 axialThickness * axial.GetGeometry().GetNormal()); | |
| 339 | |
|
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renamed SliceGeometry as CoordinateSystem3D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
340 reference_ = CoordinateSystem3D(origin, |
| 102 | 341 axial.GetGeometry().GetAxisY(), |
| 342 axial.GetGeometry().GetNormal()); | |
| 343 } | |
| 344 | |
| 345 public: | |
| 346 VolumeImageGeometry(const OrthancVolumeImage& volume, | |
| 347 VolumeProjection projection) | |
| 348 { | |
| 349 if (volume.GetSliceCount() == 0) | |
| 350 { | |
| 351 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 352 } | |
| 353 | |
| 354 converter_ = volume.GetSlice(0).GetConverter(); | |
| 355 | |
| 356 switch (projection) | |
| 357 { | |
| 358 case VolumeProjection_Axial: | |
| 359 SetupAxial(volume); | |
| 360 break; | |
| 361 | |
| 362 case VolumeProjection_Coronal: | |
| 363 SetupCoronal(volume); | |
| 364 break; | |
| 365 | |
| 366 case VolumeProjection_Sagittal: | |
| 367 SetupSagittal(volume); | |
| 368 break; | |
| 369 | |
| 370 default: | |
| 371 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 372 } | |
| 373 } | |
| 374 | |
| 375 size_t GetSliceCount() const | |
| 376 { | |
| 377 return depth_; | |
| 378 } | |
| 379 | |
| 380 const Vector& GetNormal() const | |
| 381 { | |
| 382 return reference_.GetNormal(); | |
| 383 } | |
| 384 | |
| 385 bool LookupSlice(size_t& index, | |
|
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renamed SliceGeometry as CoordinateSystem3D
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
104
diff
changeset
|
386 const CoordinateSystem3D& slice) const |
| 102 | 387 { |
| 388 bool opposite; | |
| 389 if (!GeometryToolbox::IsParallelOrOpposite(opposite, | |
| 390 reference_.GetNormal(), | |
| 391 slice.GetNormal())) | |
| 392 { | |
| 393 return false; | |
| 394 } | |
| 395 | |
| 396 double z = (reference_.ProjectAlongNormal(slice.GetOrigin()) - | |
| 397 reference_.ProjectAlongNormal(reference_.GetOrigin())) / sliceThickness_; | |
| 398 | |
| 399 int s = static_cast<int>(boost::math::iround(z)); | |
| 400 | |
| 401 if (s < 0 || | |
| 402 s >= static_cast<int>(depth_)) | |
| 403 { | |
| 404 return false; | |
| 405 } | |
| 406 else | |
| 407 { | |
| 408 index = static_cast<size_t>(s); | |
| 409 return true; | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 Slice GetSlice(size_t slice) const | |
| 414 { | |
| 415 if (slice < 0 || | |
| 416 slice >= depth_) | |
| 417 { | |
| 418 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 419 } | |
| 420 else | |
| 421 { | |
|
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parents:
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diff
changeset
|
422 CoordinateSystem3D origin(reference_.GetOrigin() + |
| 102 | 423 static_cast<double>(slice) * sliceThickness_ * reference_.GetNormal(), |
| 424 reference_.GetAxisX(), | |
| 425 reference_.GetAxisY()); | |
| 426 | |
| 427 return Slice(origin, pixelSpacingX_, pixelSpacingY_, sliceThickness_, | |
| 428 width_, height_, converter_); | |
| 429 } | |
| 430 } | |
| 431 }; | |
| 432 | |
| 433 | |
| 434 | |
| 435 class VolumeImageSource : | |
| 436 public LayerSourceBase, | |
| 437 private ISlicedVolume::IObserver | |
| 438 { | |
| 439 private: | |
| 440 OrthancVolumeImage& volume_; | |
| 441 std::auto_ptr<VolumeImageGeometry> axialGeometry_; | |
| 442 std::auto_ptr<VolumeImageGeometry> coronalGeometry_; | |
| 443 std::auto_ptr<VolumeImageGeometry> sagittalGeometry_; | |
| 444 | |
| 445 | |
| 446 bool IsGeometryReady() const | |
| 447 { | |
| 448 return axialGeometry_.get() != NULL; | |
| 449 } | |
| 450 | |
| 451 | |
| 452 virtual void NotifyGeometryReady(const ISlicedVolume& volume) | |
| 453 { | |
| 454 // These 3 values are only used to speed up the ILayerSource | |
| 455 axialGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Axial)); | |
| 456 coronalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Coronal)); | |
| 457 sagittalGeometry_.reset(new VolumeImageGeometry(volume_, VolumeProjection_Sagittal)); | |
| 458 | |
| 459 LayerSourceBase::NotifyGeometryReady(); | |
| 460 } | |
| 461 | |
| 462 virtual void NotifyGeometryError(const ISlicedVolume& volume) | |
| 463 { | |
| 464 LayerSourceBase::NotifyGeometryError(); | |
| 465 } | |
| 466 | |
| 467 virtual void NotifyContentChange(const ISlicedVolume& volume) | |
| 468 { | |
| 469 LayerSourceBase::NotifyContentChange(); | |
| 470 } | |
| 471 | |
| 472 virtual void NotifySliceChange(const ISlicedVolume& volume, | |
| 473 const size_t& sliceIndex, | |
| 474 const Slice& slice) | |
| 475 { | |
| 476 //LayerSourceBase::NotifySliceChange(slice); | |
| 477 | |
| 478 // TODO Improve this? | |
| 479 LayerSourceBase::NotifyContentChange(); | |
| 480 } | |
| 481 | |
| 482 | |
| 483 const VolumeImageGeometry& GetProjectionGeometry(VolumeProjection projection) | |
| 484 { | |
| 485 if (!IsGeometryReady()) | |
| 486 { | |
| 487 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
| 488 } | |
| 489 | |
| 490 switch (projection) | |
| 491 { | |
| 492 case VolumeProjection_Axial: | |
| 493 return *axialGeometry_; | |
| 494 | |
| 495 case VolumeProjection_Sagittal: | |
| 496 return *sagittalGeometry_; | |
| 497 | |
| 498 case VolumeProjection_Coronal: | |
| 499 return *coronalGeometry_; | |
| 500 | |
| 501 default: | |
| 502 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 503 } | |
| 504 } | |
| 505 | |
| 506 | |
| 507 bool DetectProjection(VolumeProjection& projection, | |
|
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parents:
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diff
changeset
|
508 const CoordinateSystem3D& viewportSlice) |
| 102 | 509 { |
| 510 bool isOpposite; // Ignored | |
| 511 | |
| 512 if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 513 viewportSlice.GetNormal(), | |
| 514 axialGeometry_->GetNormal())) | |
| 515 { | |
| 516 projection = VolumeProjection_Axial; | |
| 517 return true; | |
| 518 } | |
| 519 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 520 viewportSlice.GetNormal(), | |
| 521 sagittalGeometry_->GetNormal())) | |
| 522 { | |
| 523 projection = VolumeProjection_Sagittal; | |
| 524 return true; | |
| 525 } | |
| 526 else if (GeometryToolbox::IsParallelOrOpposite(isOpposite, | |
| 527 viewportSlice.GetNormal(), | |
| 528 coronalGeometry_->GetNormal())) | |
| 529 { | |
| 530 projection = VolumeProjection_Coronal; | |
| 531 return true; | |
| 532 } | |
| 533 else | |
| 534 { | |
| 535 return false; | |
| 536 } | |
| 537 } | |
| 538 | |
| 539 | |
| 540 public: | |
| 541 VolumeImageSource(OrthancVolumeImage& volume) : | |
| 542 volume_(volume) | |
| 543 { | |
| 544 volume_.Register(*this); | |
| 545 } | |
| 546 | |
| 547 virtual bool GetExtent(std::vector<Vector>& points, | |
|
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parents:
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diff
changeset
|
548 const CoordinateSystem3D& viewportSlice) |
| 102 | 549 { |
| 550 VolumeProjection projection; | |
| 551 | |
| 552 if (!IsGeometryReady() || | |
| 553 !DetectProjection(projection, viewportSlice)) | |
| 554 { | |
| 555 return false; | |
| 556 } | |
| 557 else | |
| 558 { | |
| 559 // As the slices of the volumic image are arranged in a box, | |
| 560 // we only consider one single reference slice (the one with index 0). | |
| 561 GetProjectionGeometry(projection).GetSlice(0).GetExtent(points); | |
| 562 | |
| 563 return true; | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 | |
|
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parents:
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diff
changeset
|
568 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) |
| 102 | 569 { |
| 570 VolumeProjection projection; | |
| 571 | |
| 572 if (IsGeometryReady() && | |
| 573 DetectProjection(projection, viewportSlice)) | |
| 574 { | |
| 575 const VolumeImageGeometry& geometry = GetProjectionGeometry(projection); | |
| 576 | |
| 577 size_t closest; | |
| 578 | |
| 579 if (geometry.LookupSlice(closest, viewportSlice)) | |
| 580 { | |
| 581 bool isFullQuality = true; // TODO | |
| 582 | |
| 583 std::auto_ptr<Orthanc::Image> frame; | |
| 584 | |
| 585 { | |
| 586 ImageBuffer3D::SliceReader reader(volume_.GetImage(), projection, closest); | |
| 587 | |
| 588 // TODO Transfer ownership if non-axial, to avoid memcpy | |
| 589 frame.reset(Orthanc::Image::Clone(reader.GetAccessor())); | |
| 590 } | |
| 591 | |
| 592 Slice slice = geometry.GetSlice(closest); | |
| 593 LayerSourceBase::NotifyLayerReady( | |
| 594 FrameRenderer::CreateRenderer(frame.release(), slice, isFullQuality), | |
| 595 //new SliceOutlineRenderer(slice), | |
| 596 slice, false); | |
| 597 return; | |
| 598 } | |
| 599 } | |
| 600 | |
| 601 // Error | |
| 602 Slice slice; | |
| 603 LayerSourceBase::NotifyLayerReady(NULL, slice, true); | |
| 604 } | |
| 605 }; | |
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VolumeImageInteractor
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606 |
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607 |
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608 class VolumeImageInteractor : |
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609 public IWorldSceneInteractor, |
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610 private ISlicedVolume::IObserver |
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611 { |
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612 private: |
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613 LayerWidget& widget_; |
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614 VolumeProjection projection_; |
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615 std::auto_ptr<VolumeImageGeometry> slices_; |
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616 size_t slice_; |
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617 |
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618 virtual void NotifyGeometryReady(const ISlicedVolume& volume) |
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619 { |
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620 if (slices_.get() == NULL) |
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621 { |
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622 const OrthancVolumeImage& image = dynamic_cast<const OrthancVolumeImage&>(volume); |
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623 |
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624 slices_.reset(new VolumeImageGeometry(image, projection_)); |
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625 SetSlice(slices_->GetSliceCount() / 2); |
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626 |
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627 widget_.SetDefaultView(); |
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628 } |
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629 } |
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630 |
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631 virtual void NotifyGeometryError(const ISlicedVolume& volume) |
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632 { |
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633 } |
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634 |
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635 virtual void NotifyContentChange(const ISlicedVolume& volume) |
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636 { |
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637 } |
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638 |
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639 virtual void NotifySliceChange(const ISlicedVolume& volume, |
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640 const size_t& sliceIndex, |
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641 const Slice& slice) |
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642 { |
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643 } |
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644 |
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645 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, |
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646 const ViewportGeometry& view, |
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647 MouseButton button, |
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648 double x, |
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649 double y, |
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650 IStatusBar* statusBar) |
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651 { |
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652 return NULL; |
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653 } |
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654 |
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655 virtual void MouseOver(CairoContext& context, |
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656 WorldSceneWidget& widget, |
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657 const ViewportGeometry& view, |
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658 double x, |
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659 double y, |
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660 IStatusBar* statusBar) |
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661 { |
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662 } |
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663 |
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664 virtual void MouseWheel(WorldSceneWidget& widget, |
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665 MouseWheelDirection direction, |
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666 KeyboardModifiers modifiers, |
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667 IStatusBar* statusBar) |
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668 { |
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669 int scale = (modifiers & KeyboardModifiers_Control ? 10 : 1); |
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670 |
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671 switch (direction) |
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672 { |
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673 case MouseWheelDirection_Up: |
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674 OffsetSlice(-scale); |
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675 break; |
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676 |
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677 case MouseWheelDirection_Down: |
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678 OffsetSlice(scale); |
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679 break; |
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680 |
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681 default: |
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682 break; |
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683 } |
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684 } |
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685 |
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686 virtual void KeyPressed(WorldSceneWidget& widget, |
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687 char key, |
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688 KeyboardModifiers modifiers, |
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689 IStatusBar* statusBar) |
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690 { |
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691 switch (key) |
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692 { |
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693 case 's': |
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694 widget.SetDefaultView(); |
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695 break; |
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696 |
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697 default: |
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698 break; |
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699 } |
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700 } |
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701 |
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702 public: |
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703 VolumeImageInteractor(OrthancVolumeImage& volume, |
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704 LayerWidget& widget, |
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705 VolumeProjection projection) : |
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706 widget_(widget), |
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707 projection_(projection) |
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708 { |
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709 volume.Register(*this); |
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710 widget.SetInteractor(*this); |
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711 } |
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712 |
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713 bool IsGeometryReady() const |
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714 { |
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715 return slices_.get() != NULL; |
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716 } |
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717 |
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718 size_t GetSliceCount() const |
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719 { |
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720 if (slices_.get() == NULL) |
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721 { |
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722 return 0; |
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723 } |
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724 else |
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|
725 { |
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726 return slices_->GetSliceCount(); |
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727 } |
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|
728 } |
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|
729 |
|
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730 void OffsetSlice(int offset) |
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parents:
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731 { |
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parents:
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732 if (slices_.get() != NULL) |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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733 { |
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parents:
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734 int slice = static_cast<int>(slice_) + offset; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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735 |
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parents:
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736 if (slice < 0) |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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737 { |
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eccd64f8e297
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parents:
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738 slice = 0; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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739 } |
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parents:
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740 |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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741 if (slice >= static_cast<int>(slices_->GetSliceCount())) |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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742 { |
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parents:
102
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743 slice = slices_->GetSliceCount() - 1; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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744 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
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|
745 |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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746 if (slice != static_cast<int>(slice_)) |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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747 { |
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parents:
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diff
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748 SetSlice(slice); |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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749 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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750 } |
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eccd64f8e297
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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751 } |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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752 |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
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753 void SetSlice(size_t slice) |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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754 { |
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eccd64f8e297
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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755 if (slices_.get() != NULL) |
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eccd64f8e297
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
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756 { |
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parents:
102
diff
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757 slice_ = slice; |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
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758 widget_.SetSlice(slices_->GetSlice(slice_).GetGeometry()); |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
diff
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759 } |
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VolumeImageInteractor
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
102
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760 } |
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parents:
102
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761 }; |
| 102 | 762 } |