Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/Slice.cpp @ 121:e66b2c757790 wasm
displaying rt-struct
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Oct 2017 17:53:47 +0200 |
parents | 063f7f3d9f14 |
children | e2fe9352f240 |
rev | line source |
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73 | 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 #include "Slice.h" | |
23 | |
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24 #include "../Enumerations.h" |
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25 |
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26 #include <Core/Logging.h> |
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27 #include <Core/OrthancException.h> |
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28 #include <Core/Toolbox.h> |
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29 |
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30 #include <boost/lexical_cast.hpp> |
73 | 31 |
32 namespace OrthancStone | |
33 { | |
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34 static bool ParseDouble(double& target, |
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35 const std::string& source) |
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36 { |
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37 try |
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38 { |
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39 target = boost::lexical_cast<double>(source); |
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40 return true; |
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41 } |
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42 catch (boost::bad_lexical_cast&) |
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43 { |
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44 return false; |
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45 } |
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46 } |
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47 |
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48 bool Slice::ComputeRTDoseGeometry(const Orthanc::DicomMap& dataset, |
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49 unsigned int frame) |
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50 { |
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51 // http://dicom.nema.org/medical/Dicom/2016a/output/chtml/part03/sect_C.8.8.3.2.html |
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52 |
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53 std::string increment, offsetTag; |
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54 |
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55 if (!dataset.CopyToString(increment, Orthanc::DICOM_TAG_FRAME_INCREMENT_POINTER, false) || |
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56 !dataset.CopyToString(offsetTag, Orthanc::DICOM_TAG_GRID_FRAME_OFFSET_VECTOR, false)) |
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57 { |
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58 LOG(ERROR) << "Cannot read the \"GridFrameOffsetVector\" tag, check you are using Orthanc >= 1.3.1"; |
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59 return false; |
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60 } |
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61 |
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62 Orthanc::Toolbox::ToUpperCase(increment); |
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63 if (increment != "3004,000C" || |
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64 offsetTag.empty()) |
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65 { |
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66 return false; |
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67 } |
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68 |
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69 std::vector<std::string> offsets; |
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70 Orthanc::Toolbox::TokenizeString(offsets, offsetTag, '\\'); |
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71 |
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72 if (frameCount_ <= 1 || |
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73 offsets.size() != frameCount_ || |
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74 frame >= frameCount_) |
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75 { |
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76 LOG(ERROR) << "No information about the 3D location of some slice(s) in a RT DOSE"; |
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77 return false; |
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78 } |
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79 |
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80 double offset0, offset1, z; |
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81 |
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82 if (!ParseDouble(offset0, offsets[0]) || |
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83 !ParseDouble(offset1, offsets[1]) || |
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84 !ParseDouble(z, offsets[frame])) |
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85 { |
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86 LOG(ERROR) << "Invalid syntax"; |
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87 return false; |
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88 } |
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89 |
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90 if (!GeometryToolbox::IsCloseToZero(offset0)) |
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91 { |
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92 LOG(ERROR) << "Invalid syntax"; |
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93 return false; |
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94 } |
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95 |
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96 geometry_ = CoordinateSystem3D(geometry_.GetOrigin() + z * geometry_.GetNormal(), |
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97 //+ 650 * geometry_.GetAxisX(), |
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98 geometry_.GetAxisX(), |
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99 geometry_.GetAxisY()); |
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100 |
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101 thickness_ = offset1 - offset0; |
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102 if (thickness_ < 0) |
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103 { |
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104 thickness_ = -thickness_; |
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105 } |
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106 |
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107 return true; |
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108 } |
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109 |
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110 |
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111 bool Slice::ParseOrthancFrame(const Orthanc::DicomMap& dataset, |
73 | 112 const std::string& instanceId, |
113 unsigned int frame) | |
114 { | |
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115 orthancInstanceId_ = instanceId; |
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116 frame_ = frame; |
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117 type_ = Type_OrthancDecodableFrame; |
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118 imageInformation_.reset(new Orthanc::DicomImageInformation(dataset)); |
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119 |
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120 if (!dataset.CopyToString(sopClassUid_, Orthanc::DICOM_TAG_SOP_CLASS_UID, false) || |
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121 sopClassUid_.empty()) |
73 | 122 { |
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123 LOG(ERROR) << "Instance without a SOP class UID"; |
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124 return false; |
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125 } |
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126 |
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127 if (!dataset.ParseUnsignedInteger32(frameCount_, Orthanc::DICOM_TAG_NUMBER_OF_FRAMES)) |
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128 { |
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129 frameCount_ = 1; // Assume instance with one frame |
73 | 130 } |
131 | |
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132 if (frame >= frameCount_) |
73 | 133 { |
134 return false; | |
135 } | |
136 | |
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137 if (!dataset.ParseUnsignedInteger32(width_, Orthanc::DICOM_TAG_COLUMNS) || |
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138 !dataset.ParseUnsignedInteger32(height_, Orthanc::DICOM_TAG_ROWS)) |
73 | 139 { |
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140 return false; |
73 | 141 } |
142 | |
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143 thickness_ = 100.0 * std::numeric_limits<double>::epsilon(); |
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144 |
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145 std::string tmp; |
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146 if (dataset.CopyToString(tmp, Orthanc::DICOM_TAG_SLICE_THICKNESS, false)) |
117
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147 { |
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148 if (!tmp.empty() && |
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149 !ParseDouble(thickness_, tmp)) |
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150 { |
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151 return false; // Syntax error |
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152 } |
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153 } |
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154 |
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155 converter_.ReadParameters(dataset); |
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156 |
73 | 157 GeometryToolbox::GetPixelSpacing(pixelSpacingX_, pixelSpacingY_, dataset); |
158 | |
159 std::string position, orientation; | |
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160 if (dataset.CopyToString(position, Orthanc::DICOM_TAG_IMAGE_POSITION_PATIENT, false) && |
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161 dataset.CopyToString(orientation, Orthanc::DICOM_TAG_IMAGE_ORIENTATION_PATIENT, false)) |
73 | 162 { |
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163 geometry_ = CoordinateSystem3D(position, orientation); |
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164 |
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165 bool ok = true; |
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166 SopClassUid tmp; |
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167 |
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168 if (StringToSopClassUid(tmp, sopClassUid_)) |
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169 { |
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170 switch (tmp) |
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171 { |
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172 case SopClassUid_RTDose: |
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173 type_ = Type_OrthancRawFrame; |
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174 ok = ComputeRTDoseGeometry(dataset, frame); |
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175 break; |
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176 |
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177 default: |
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178 break; |
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179 } |
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180 } |
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181 |
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182 if (!ok) |
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183 { |
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184 LOG(ERROR) << "Cannot deduce the 3D location of frame " << frame |
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185 << " in instance " << instanceId << ", whose SOP class UID is: " << sopClassUid_; |
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186 return false; |
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187 } |
73 | 188 } |
189 | |
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190 return true; |
73 | 191 } |
192 | |
193 | |
194 const std::string Slice::GetOrthancInstanceId() const | |
195 { | |
117
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196 if (type_ == Type_OrthancDecodableFrame || |
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197 type_ == Type_OrthancRawFrame) |
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198 { |
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199 return orthancInstanceId_; |
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200 } |
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201 else |
73 | 202 { |
203 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
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204 } |
73 | 205 } |
206 | |
207 | |
208 unsigned int Slice::GetFrame() const | |
209 { | |
210 if (type_ == Type_Invalid) | |
211 { | |
212 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
213 } | |
214 | |
215 return frame_; | |
216 } | |
217 | |
218 | |
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219 const CoordinateSystem3D& Slice::GetGeometry() const |
73 | 220 { |
221 if (type_ == Type_Invalid) | |
222 { | |
223 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
224 } | |
225 | |
226 return geometry_; | |
227 } | |
228 | |
229 | |
230 double Slice::GetThickness() const | |
231 { | |
232 if (type_ == Type_Invalid) | |
233 { | |
234 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
235 } | |
236 | |
237 return thickness_; | |
238 } | |
239 | |
240 | |
241 double Slice::GetPixelSpacingX() const | |
242 { | |
243 if (type_ == Type_Invalid) | |
244 { | |
245 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
246 } | |
247 | |
248 return pixelSpacingX_; | |
249 } | |
250 | |
251 | |
252 double Slice::GetPixelSpacingY() const | |
253 { | |
254 if (type_ == Type_Invalid) | |
255 { | |
256 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
257 } | |
258 | |
259 return pixelSpacingY_; | |
260 } | |
261 | |
262 | |
263 unsigned int Slice::GetWidth() const | |
264 { | |
265 if (type_ == Type_Invalid) | |
266 { | |
267 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
268 } | |
269 | |
270 return width_; | |
271 } | |
272 | |
273 | |
274 unsigned int Slice::GetHeight() const | |
275 { | |
276 if (type_ == Type_Invalid) | |
277 { | |
278 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
279 } | |
280 | |
281 return height_; | |
282 } | |
283 | |
284 | |
285 const DicomFrameConverter& Slice::GetConverter() const | |
286 { | |
287 if (type_ == Type_Invalid) | |
288 { | |
289 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
290 } | |
291 | |
292 return converter_; | |
293 } | |
89
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294 |
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295 |
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296 bool Slice::ContainsPlane(const CoordinateSystem3D& plane) const |
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297 { |
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298 if (type_ == Type_Invalid) |
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299 { |
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300 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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301 } |
101
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302 |
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303 bool opposite; |
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304 return (GeometryToolbox::IsParallelOrOpposite(opposite, |
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305 GetGeometry().GetNormal(), |
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306 plane.GetNormal()) && |
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307 GeometryToolbox::IsNear(GetGeometry().ProjectAlongNormal(GetGeometry().GetOrigin()), |
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308 GetGeometry().ProjectAlongNormal(plane.GetOrigin()), |
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309 thickness_ / 2.0)); |
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310 } |
102 | 311 |
312 | |
313 void Slice::GetExtent(std::vector<Vector>& points) const | |
314 { | |
315 double sx = GetPixelSpacingX(); | |
316 double sy = GetPixelSpacingY(); | |
317 double w = static_cast<double>(GetWidth()); | |
318 double h = static_cast<double>(GetHeight()); | |
319 | |
320 points.clear(); | |
321 points.push_back(GetGeometry().MapSliceToWorldCoordinates(-0.5 * sx, -0.5 * sy)); | |
322 points.push_back(GetGeometry().MapSliceToWorldCoordinates((w - 0.5) * sx, -0.5 * sy)); | |
323 points.push_back(GetGeometry().MapSliceToWorldCoordinates(-0.5 * sx, (h - 0.5) * sy)); | |
324 points.push_back(GetGeometry().MapSliceToWorldCoordinates((w - 0.5) * sx, (h - 0.5) * sy)); | |
325 } | |
119
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326 |
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327 |
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328 const Orthanc::DicomImageInformation& Slice::GetImageInformation() const |
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329 { |
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330 if (imageInformation_.get() == NULL) |
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331 { |
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332 // Only available if constructing the "Slice" object with a DICOM map |
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333 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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334 } |
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335 else |
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336 { |
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337 return *imageInformation_; |
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338 } |
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339 } |
73 | 340 } |