Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/DicomInstanceParameters.cpp @ 1598:8563ea5d8ae4
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 26 Oct 2020 20:49:28 +0100 |
| parents | 4fb8fdf03314 |
| children | a4418a489e86 |
| rev | line source |
|---|---|
| 746 | 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) 2017-2020 Osimis S.A., Belgium |
| 746 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
| 746 | 9 * as published by the Free Software Foundation, either version 3 of |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
|
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 746 | 20 **/ |
| 21 | |
| 22 | |
| 23 #include "DicomInstanceParameters.h" | |
| 24 | |
| 25 #include "../Scene2D/ColorTextureSceneLayer.h" | |
| 26 #include "../Scene2D/FloatTextureSceneLayer.h" | |
| 27 #include "../Toolbox/GeometryToolbox.h" | |
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28 #include "../Toolbox/ImageToolbox.h" |
| 746 | 29 |
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30 #include <Images/Image.h> |
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31 #include <Images/ImageProcessing.h> |
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32 #include <Logging.h> |
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33 #include <OrthancException.h> |
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34 #include <Toolbox.h> |
| 746 | 35 |
| 36 | |
| 37 namespace OrthancStone | |
| 38 { | |
| 39 void DicomInstanceParameters::Data::ComputeDoseOffsets(const Orthanc::DicomMap& dicom) | |
| 40 { | |
| 41 // http://dicom.nema.org/medical/Dicom/2016a/output/chtml/part03/sect_C.8.8.3.2.html | |
| 42 | |
| 43 { | |
| 44 std::string increment; | |
| 45 | |
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46 if (dicom.LookupStringValue(increment, Orthanc::DICOM_TAG_FRAME_INCREMENT_POINTER, false)) |
| 746 | 47 { |
| 48 Orthanc::Toolbox::ToUpperCase(increment); | |
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49 if (increment != "3004,000C") // This is the "Grid Frame Offset Vector" tag (DICOM_TAG_GRID_FRAME_OFFSET_VECTOR) |
| 746 | 50 { |
| 51 LOG(ERROR) << "RT-DOSE: Bad value for the \"FrameIncrementPointer\" tag"; | |
| 52 return; | |
| 53 } | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 if (!LinearAlgebra::ParseVector(frameOffsets_, dicom, Orthanc::DICOM_TAG_GRID_FRAME_OFFSET_VECTOR) || | |
| 58 frameOffsets_.size() < imageInformation_.GetNumberOfFrames()) | |
| 59 { | |
| 60 LOG(ERROR) << "RT-DOSE: No information about the 3D location of some slice(s)"; | |
| 61 frameOffsets_.clear(); | |
| 62 } | |
| 63 else | |
| 64 { | |
| 65 if (frameOffsets_.size() >= 2) | |
| 66 { | |
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67 thickness_ = std::abs(frameOffsets_[1] - frameOffsets_[0]); |
| 746 | 68 } |
| 69 } | |
| 70 } | |
| 71 | |
| 72 | |
| 73 DicomInstanceParameters::Data::Data(const Orthanc::DicomMap& dicom) : | |
| 74 imageInformation_(dicom) | |
| 75 { | |
| 1571 | 76 if (imageInformation_.GetNumberOfFrames() == 0) |
| 746 | 77 { |
| 78 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 79 } | |
| 80 | |
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81 if (!dicom.LookupStringValue(studyInstanceUid_, Orthanc::DICOM_TAG_STUDY_INSTANCE_UID, false) || |
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82 !dicom.LookupStringValue(seriesInstanceUid_, Orthanc::DICOM_TAG_SERIES_INSTANCE_UID, false) || |
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83 !dicom.LookupStringValue(sopInstanceUid_, Orthanc::DICOM_TAG_SOP_INSTANCE_UID, false)) |
| 746 | 84 { |
| 85 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 86 } | |
| 87 | |
| 88 std::string s; | |
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89 if (!dicom.LookupStringValue(s, Orthanc::DICOM_TAG_SOP_CLASS_UID, false)) |
| 746 | 90 { |
| 91 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 92 } | |
| 93 else | |
| 94 { | |
| 95 sopClassUid_ = StringToSopClassUid(s); | |
| 96 } | |
| 97 | |
| 98 if (!dicom.ParseDouble(thickness_, Orthanc::DICOM_TAG_SLICE_THICKNESS)) | |
| 99 { | |
| 100 thickness_ = 100.0 * std::numeric_limits<double>::epsilon(); | |
| 101 } | |
| 102 | |
| 103 GeometryToolbox::GetPixelSpacing(pixelSpacingX_, pixelSpacingY_, dicom); | |
| 104 | |
| 105 std::string position, orientation; | |
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106 if (dicom.LookupStringValue(position, Orthanc::DICOM_TAG_IMAGE_POSITION_PATIENT, false) && |
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107 dicom.LookupStringValue(orientation, Orthanc::DICOM_TAG_IMAGE_ORIENTATION_PATIENT, false)) |
| 746 | 108 { |
| 109 geometry_ = CoordinateSystem3D(position, orientation); | |
| 110 } | |
| 111 | |
| 112 if (sopClassUid_ == SopClassUid_RTDose) | |
| 113 { | |
| 114 ComputeDoseOffsets(dicom); | |
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115 |
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116 static const Orthanc::DicomTag DICOM_TAG_DOSE_UNITS(0x3004, 0x0002); |
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117 |
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118 if (!dicom.LookupStringValue(doseUnits_, DICOM_TAG_DOSE_UNITS, false)) |
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119 { |
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120 LOG(ERROR) << "Tag DoseUnits (0x3004, 0x0002) is missing in " << sopInstanceUid_; |
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121 doseUnits_ = ""; |
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122 } |
| 746 | 123 } |
| 124 | |
| 125 isColor_ = (imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome1 && | |
| 126 imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome2); | |
| 127 | |
| 128 if (dicom.ParseDouble(rescaleIntercept_, Orthanc::DICOM_TAG_RESCALE_INTERCEPT) && | |
| 129 dicom.ParseDouble(rescaleSlope_, Orthanc::DICOM_TAG_RESCALE_SLOPE)) | |
| 130 { | |
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131 if (sopClassUid_ == SopClassUid_RTDose) |
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132 { |
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133 LOG(INFO) << "DOSE HAS Rescale*: rescaleIntercept_ = " << rescaleIntercept_ << " rescaleSlope_ = " << rescaleSlope_; |
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134 // WE SHOULD NOT TAKE THE RESCALE VALUE INTO ACCOUNT IN THE CASE OF DOSES |
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135 hasRescale_ = false; |
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136 } |
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137 else |
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138 { |
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139 hasRescale_ = true; |
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140 } |
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141 |
| 746 | 142 } |
| 143 else | |
| 144 { | |
| 145 hasRescale_ = false; | |
| 146 } | |
| 147 | |
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148 if (dicom.ParseDouble(doseGridScaling_, Orthanc::DICOM_TAG_DOSE_GRID_SCALING)) |
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149 { |
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150 if (sopClassUid_ == SopClassUid_RTDose) |
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151 { |
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152 LOG(INFO) << "DOSE HAS DoseGridScaling: doseGridScaling_ = " << doseGridScaling_; |
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153 } |
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154 } |
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155 else |
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156 { |
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157 doseGridScaling_ = 1.0; |
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158 if (sopClassUid_ == SopClassUid_RTDose) |
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159 { |
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160 LOG(ERROR) << "Tag DoseGridScaling (0x3004, 0x000e) is missing in " << sopInstanceUid_ << " doseGridScaling_ will be set to 1.0"; |
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161 } |
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162 } |
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163 |
| 746 | 164 Vector c, w; |
| 165 if (LinearAlgebra::ParseVector(c, dicom, Orthanc::DICOM_TAG_WINDOW_CENTER) && | |
| 166 LinearAlgebra::ParseVector(w, dicom, Orthanc::DICOM_TAG_WINDOW_WIDTH) && | |
| 167 c.size() > 0 && | |
| 168 w.size() > 0) | |
| 169 { | |
| 170 hasDefaultWindowing_ = true; | |
| 171 defaultWindowingCenter_ = static_cast<float>(c[0]); | |
| 172 defaultWindowingWidth_ = static_cast<float>(w[0]); | |
| 173 } | |
| 174 else | |
| 175 { | |
| 176 hasDefaultWindowing_ = false; | |
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177 defaultWindowingCenter_ = 0; |
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178 defaultWindowingWidth_ = 0; |
| 746 | 179 } |
| 180 | |
| 181 if (sopClassUid_ == SopClassUid_RTDose) | |
| 182 { | |
| 183 switch (imageInformation_.GetBitsStored()) | |
| 184 { | |
| 185 case 16: | |
| 186 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16; | |
| 187 break; | |
| 188 | |
| 189 case 32: | |
| 190 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale32; | |
| 191 break; | |
| 192 | |
| 193 default: | |
| 194 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 195 } | |
| 196 } | |
| 197 else if (isColor_) | |
| 198 { | |
| 199 expectedPixelFormat_ = Orthanc::PixelFormat_RGB24; | |
| 200 } | |
| 201 else if (imageInformation_.IsSigned()) | |
| 202 { | |
| 203 expectedPixelFormat_ = Orthanc::PixelFormat_SignedGrayscale16; | |
| 204 } | |
| 205 else | |
| 206 { | |
| 207 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16; | |
| 208 } | |
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209 |
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210 // This computes the "IndexInSeries" metadata from Orthanc (check |
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211 // out "Orthanc::ServerIndex::Store()") |
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212 hasIndexInSeries_ = ( |
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213 dicom.ParseUnsignedInteger32(indexInSeries_, Orthanc::DICOM_TAG_INSTANCE_NUMBER) || |
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214 dicom.ParseUnsignedInteger32(indexInSeries_, Orthanc::DICOM_TAG_IMAGE_INDEX)); |
| 746 | 215 } |
| 216 | |
| 217 | |
| 218 CoordinateSystem3D DicomInstanceParameters::Data::GetFrameGeometry(unsigned int frame) const | |
| 219 { | |
| 220 if (frame == 0) | |
| 221 { | |
| 222 return geometry_; | |
| 223 } | |
| 224 else if (frame >= imageInformation_.GetNumberOfFrames()) | |
| 225 { | |
| 226 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 227 } | |
| 228 else if (sopClassUid_ == SopClassUid_RTDose) | |
| 229 { | |
| 230 if (frame >= frameOffsets_.size()) | |
| 231 { | |
| 232 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 233 } | |
| 234 | |
| 235 return CoordinateSystem3D( | |
| 236 geometry_.GetOrigin() + frameOffsets_[frame] * geometry_.GetNormal(), | |
| 237 geometry_.GetAxisX(), | |
| 238 geometry_.GetAxisY()); | |
| 239 } | |
| 240 else | |
| 241 { | |
| 242 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 243 } | |
| 244 } | |
| 245 | |
| 246 | |
| 247 bool DicomInstanceParameters::Data::IsPlaneWithinSlice(unsigned int frame, | |
| 248 const CoordinateSystem3D& plane) const | |
| 249 { | |
| 250 if (frame >= imageInformation_.GetNumberOfFrames()) | |
| 251 { | |
| 252 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 253 } | |
| 254 | |
| 255 CoordinateSystem3D tmp = geometry_; | |
| 256 | |
| 257 if (frame != 0) | |
| 258 { | |
| 259 tmp = GetFrameGeometry(frame); | |
| 260 } | |
| 261 | |
| 262 double distance; | |
| 263 | |
| 757 | 264 return (CoordinateSystem3D::ComputeDistance(distance, tmp, plane) && |
| 746 | 265 distance <= thickness_ / 2.0); |
| 266 } | |
| 267 | |
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268 void DicomInstanceParameters::Data::ApplyRescaleAndDoseScaling(Orthanc::ImageAccessor& image, |
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269 bool useDouble) const |
| 746 | 270 { |
| 271 if (image.GetFormat() != Orthanc::PixelFormat_Float32) | |
| 272 { | |
| 273 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 274 } | |
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275 |
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276 double factor = doseGridScaling_; |
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277 double offset = 0.0; |
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278 |
| 746 | 279 if (hasRescale_) |
| 280 { | |
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281 factor *= rescaleSlope_; |
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282 offset = rescaleIntercept_; |
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283 } |
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284 |
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285 if ( (factor != 1.0) || (offset != 0.0) ) |
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286 { |
| 746 | 287 const unsigned int width = image.GetWidth(); |
| 288 const unsigned int height = image.GetHeight(); | |
| 289 | |
| 290 for (unsigned int y = 0; y < height; y++) | |
| 291 { | |
| 292 float* p = reinterpret_cast<float*>(image.GetRow(y)); | |
| 293 | |
| 294 if (useDouble) | |
| 295 { | |
| 296 // Slower, accurate implementation using double | |
| 297 for (unsigned int x = 0; x < width; x++, p++) | |
| 298 { | |
| 299 double value = static_cast<double>(*p); | |
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300 *p = static_cast<float>(value * factor + offset); |
| 746 | 301 } |
| 302 } | |
| 303 else | |
| 304 { | |
| 305 // Fast, approximate implementation using float | |
| 306 for (unsigned int x = 0; x < width; x++, p++) | |
| 307 { | |
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308 *p = (*p) * static_cast<float>(factor) + static_cast<float>(offset); |
| 746 | 309 } |
| 310 } | |
| 311 } | |
| 312 } | |
| 313 } | |
| 314 | |
| 315 double DicomInstanceParameters::GetRescaleIntercept() const | |
| 316 { | |
| 317 if (data_.hasRescale_) | |
| 318 { | |
| 319 return data_.rescaleIntercept_; | |
| 320 } | |
| 321 else | |
| 322 { | |
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323 LOG(ERROR) << "DicomInstanceParameters::GetRescaleIntercept(): !data_.hasRescale_"; |
| 746 | 324 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 325 } | |
| 326 } | |
| 327 | |
| 328 | |
| 329 double DicomInstanceParameters::GetRescaleSlope() const | |
| 330 { | |
| 331 if (data_.hasRescale_) | |
| 332 { | |
| 333 return data_.rescaleSlope_; | |
| 334 } | |
| 335 else | |
| 336 { | |
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337 LOG(ERROR) << "DicomInstanceParameters::GetRescaleSlope(): !data_.hasRescale_"; |
| 746 | 338 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 339 } | |
| 340 } | |
| 341 | |
| 342 | |
| 343 float DicomInstanceParameters::GetDefaultWindowingCenter() const | |
| 344 { | |
| 345 if (data_.hasDefaultWindowing_) | |
| 346 { | |
| 347 return data_.defaultWindowingCenter_; | |
| 348 } | |
| 349 else | |
| 350 { | |
| 1481 | 351 LOG(ERROR) << "DicomInstanceParameters::GetDefaultWindowingCenter(): no default windowing"; |
| 746 | 352 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 353 } | |
| 354 } | |
| 355 | |
| 356 | |
| 357 float DicomInstanceParameters::GetDefaultWindowingWidth() const | |
| 358 { | |
| 359 if (data_.hasDefaultWindowing_) | |
| 360 { | |
| 361 return data_.defaultWindowingWidth_; | |
| 362 } | |
| 363 else | |
| 364 { | |
| 1481 | 365 LOG(ERROR) << "DicomInstanceParameters::GetDefaultWindowingWidth(): no default windowing"; |
| 746 | 366 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
| 367 } | |
| 368 } | |
| 369 | |
| 370 | |
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371 Orthanc::ImageAccessor* DicomInstanceParameters::ConvertToFloat(const Orthanc::ImageAccessor& pixelData) const |
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372 { |
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373 std::unique_ptr<Orthanc::Image> converted(new Orthanc::Image(Orthanc::PixelFormat_Float32, |
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374 pixelData.GetWidth(), |
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375 pixelData.GetHeight(), |
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376 false)); |
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377 Orthanc::ImageProcessing::Convert(*converted, pixelData); |
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378 |
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379 |
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380 // Correct rescale slope/intercept if need be |
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381 //data_.ApplyRescaleAndDoseScaling(*converted, (pixelData.GetFormat() == Orthanc::PixelFormat_Grayscale32)); |
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382 data_.ApplyRescaleAndDoseScaling(*converted, false); |
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383 |
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384 return converted.release(); |
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385 } |
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386 |
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387 |
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388 TextureBaseSceneLayer* DicomInstanceParameters::CreateTexture |
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389 (const Orthanc::ImageAccessor& pixelData) const |
| 746 | 390 { |
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391 // { |
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392 // const Orthanc::ImageAccessor& source = pixelData; |
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393 // const void* sourceBuffer = source.GetConstBuffer(); |
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394 // intptr_t sourceBufferInt = reinterpret_cast<intptr_t>(sourceBuffer); |
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395 // int sourceWidth = source.GetWidth(); |
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396 // int sourceHeight = source.GetHeight(); |
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397 // int sourcePitch = source.GetPitch(); |
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398 |
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399 // // TODO: turn error into trace below |
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400 // LOG(ERROR) << "ConvertGrayscaleToFloat | source:" |
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401 // << " W = " << sourceWidth << " H = " << sourceHeight |
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402 // << " P = " << sourcePitch << " B = " << sourceBufferInt |
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403 // << " B % 4 == " << sourceBufferInt % 4; |
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404 // } |
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405 |
| 746 | 406 assert(sizeof(float) == 4); |
| 407 | |
| 408 Orthanc::PixelFormat sourceFormat = pixelData.GetFormat(); | |
| 409 | |
| 410 if (sourceFormat != GetExpectedPixelFormat()) | |
| 411 { | |
| 412 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 413 } | |
| 414 | |
| 415 if (sourceFormat == Orthanc::PixelFormat_RGB24) | |
| 416 { | |
| 417 // This is the case of a color image. No conversion has to be done. | |
| 418 return new ColorTextureSceneLayer(pixelData); | |
| 419 } | |
| 420 else | |
| 421 { | |
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422 // This is the case of a grayscale frame. Convert it to Float32. |
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423 std::unique_ptr<FloatTextureSceneLayer> texture; |
| 746 | 424 |
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425 if (pixelData.GetFormat() == Orthanc::PixelFormat_Float32) |
| 746 | 426 { |
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427 texture.reset(new FloatTextureSceneLayer(pixelData)); |
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428 } |
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429 else |
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430 { |
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431 std::unique_ptr<Orthanc::ImageAccessor> converted(ConvertToFloat(pixelData)); |
| 746 | 432 texture.reset(new FloatTextureSceneLayer(*converted)); |
| 433 } | |
| 434 | |
| 435 if (data_.hasDefaultWindowing_) | |
| 436 { | |
| 437 texture->SetCustomWindowing(data_.defaultWindowingCenter_, | |
| 438 data_.defaultWindowingWidth_); | |
| 439 } | |
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440 |
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441 |
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442 if (data_.imageInformation_.GetPhotometricInterpretation() |
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443 == Orthanc::PhotometricInterpretation_Monochrome1) |
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444 { |
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445 texture->SetInverted(true); |
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446 } |
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447 else if (data_.imageInformation_.GetPhotometricInterpretation() |
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448 == Orthanc::PhotometricInterpretation_Monochrome2) |
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449 { |
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450 texture->SetInverted(false); |
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451 } |
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452 |
| 746 | 453 return texture.release(); |
| 454 } | |
| 455 } | |
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456 |
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457 |
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458 LookupTableTextureSceneLayer* DicomInstanceParameters::CreateLookupTableTexture |
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459 (const Orthanc::ImageAccessor& pixelData) const |
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460 { |
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461 std::unique_ptr<FloatTextureSceneLayer> texture; |
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462 |
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463 if (pixelData.GetFormat() == Orthanc::PixelFormat_Float32) |
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464 { |
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465 return new LookupTableTextureSceneLayer(pixelData); |
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466 } |
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467 else |
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468 { |
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469 std::unique_ptr<Orthanc::ImageAccessor> converted(ConvertToFloat(pixelData)); |
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470 return new LookupTableTextureSceneLayer(*converted); |
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471 } |
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LookupTableTextureSceneLayer
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diff
changeset
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472 } |
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980
8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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changeset
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473 |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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diff
changeset
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474 |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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changeset
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475 unsigned int DicomInstanceParameters::GetIndexInSeries() const |
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DicomInstanceParameters::GetIndexInSeries()
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parents:
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diff
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476 { |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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477 if (data_.hasIndexInSeries_) |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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parents:
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diff
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478 { |
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DicomInstanceParameters::GetIndexInSeries()
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479 return data_.indexInSeries_; |
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DicomInstanceParameters::GetIndexInSeries()
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parents:
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diff
changeset
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480 } |
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DicomInstanceParameters::GetIndexInSeries()
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parents:
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diff
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481 else |
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DicomInstanceParameters::GetIndexInSeries()
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diff
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482 { |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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483 LOG(ERROR) << "DicomInstanceParameters::GetIndexInSeries(): !data_.hasIndexInSeries_"; |
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DicomInstanceParameters::GetIndexInSeries()
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484 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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DicomInstanceParameters::GetIndexInSeries()
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parents:
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diff
changeset
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485 } |
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8e497a4e3d96
DicomInstanceParameters::GetIndexInSeries()
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diff
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486 } |
|
1159
acb399643945
DicomInstanceParameters::ApplyRescale()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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487 |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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488 |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
changeset
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489 double DicomInstanceParameters::Data::ApplyRescale(double value) const |
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acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
changeset
|
490 { |
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acb399643945
DicomInstanceParameters::ApplyRescale()
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491 double factor = doseGridScaling_; |
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DicomInstanceParameters::ApplyRescale()
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492 double offset = 0.0; |
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acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
changeset
|
493 |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
changeset
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494 if (hasRescale_) |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
changeset
|
495 { |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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496 factor *= rescaleSlope_; |
|
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DicomInstanceParameters::ApplyRescale()
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diff
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497 offset = rescaleIntercept_; |
|
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DicomInstanceParameters::ApplyRescale()
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diff
changeset
|
498 } |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
499 |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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diff
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500 return (value * factor + offset); |
|
acb399643945
DicomInstanceParameters::ApplyRescale()
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parents:
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diff
changeset
|
501 } |
|
1161
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
502 |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
503 |
|
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diff
changeset
|
504 bool DicomInstanceParameters::Data::ComputeRegularSpacing(double& spacing) const |
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fix sagittal geometry
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diff
changeset
|
505 { |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
506 if (frameOffsets_.size() == 0) // Not a RT-DOSE |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
507 { |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
508 return false; |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
509 } |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
510 else if (frameOffsets_.size() == 1) |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
511 { |
|
19b1c8caade4
fix sagittal geometry
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parents:
1159
diff
changeset
|
512 spacing = 1; // Edge case: RT-DOSE with one single frame |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
513 return true; |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
514 } |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
515 else |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
516 { |
|
19b1c8caade4
fix sagittal geometry
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diff
changeset
|
517 spacing = std::abs(frameOffsets_[1] - frameOffsets_[0]); |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
518 |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
519 for (size_t i = 1; i + 1 < frameOffsets_.size(); i++) |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
520 { |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
521 double s = frameOffsets_[i + 1] - frameOffsets_[i]; |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
522 if (!LinearAlgebra::IsNear(spacing, s, 0.001)) |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
523 { |
|
19b1c8caade4
fix sagittal geometry
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parents:
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diff
changeset
|
524 return false; |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
525 } |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
526 } |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
527 |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
528 return true; |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
529 } |
|
19b1c8caade4
fix sagittal geometry
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1159
diff
changeset
|
530 } |
| 746 | 531 } |