Mercurial > hg > orthanc
annotate OrthancServer/RadiotherapyRestApi.cpp @ 535:da8e064d0d49 dicom-rt
rth api refactored
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 03 Sep 2013 17:19:02 +0200 |
parents | b22312081388 |
children | 505d6deb9947 |
rev | line source |
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526 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "RadiotherapyRestApi.h" | |
34 | |
35 #include "ServerToolbox.h" | |
36 | |
37 #define RETRIEVE_CONTEXT(call) \ | |
38 OrthancRestApi& contextApi = \ | |
39 dynamic_cast<OrthancRestApi&>(call.GetContext()); \ | |
40 ServerContext& context = contextApi.GetContext() | |
41 | |
42 | |
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43 // DICOM tags for RT-STRUCT |
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44 |
526 | 45 #define REFERENCED_STUDY_SEQUENCE "0008,1110" |
46 #define REFERENCED_SOP_INSTANCE_UID "0008,1155" | |
47 #define FRAME_OF_REFERENCE_UID "0020,0052" | |
48 #define REFERENCED_FRAME_OF_REFERENCE_SEQUENCE "3006,0010" | |
529 | 49 #define STRUCTURE_SET_ROI_SEQUENCE "3006,0020" |
50 #define ROI_NUMBER "3006,0022" | |
51 #define ROI_NAME "3006,0026" | |
52 #define ROI_GENERATION_ALGORITHM "3006,0036" | |
53 #define ROI_CONTOUR_SEQUENCE "3006,0039" | |
54 #define REFERENCED_ROI_NUMBER "3006,0084" | |
55 #define ROI_DISPLAY_COLOR "3006,002a" | |
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56 #define CONTOUR_SEQUENCE "3006,0040" |
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57 #define CONTOUR_IMAGE_SEQUENCE "3006,0016" |
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58 #define CONTOUR_GEOMETRIC_TYPE "3006,0042" |
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59 #define NUMBER_OF_CONTOUR_POINTS "3006,0046" |
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60 #define CONTOUR_DATA "3006,0050" |
535 | 61 #define CONTOUR_SLAB_THICKNESS "3006,0044" |
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62 |
526 | 63 |
64 namespace Orthanc | |
65 { | |
66 static bool CheckSeriesModality(Json::Value& study, | |
67 Json::Value& series, | |
68 Json::Value& content, | |
69 ServerContext& context, | |
70 const std::string& seriesId, | |
71 const std::string& modality) | |
72 { | |
73 if (!context.GetIndex().LookupResource(series, seriesId, ResourceType_Series)) | |
74 { | |
75 return false; | |
76 } | |
77 | |
78 // Retrieve the parent study | |
79 std::string studyId = series["ParentStudy"].asString(); | |
80 if (!context.GetIndex().LookupResource(study, studyId, ResourceType_Study)) | |
81 { | |
82 return false; | |
83 } | |
84 | |
85 // Check the modality and that there is a single instance inside the series | |
86 if (!series["MainDicomTags"].isMember("Modality") || | |
87 series["MainDicomTags"]["Modality"].asString() != modality || | |
88 series["Instances"].size() != 1) | |
89 { | |
90 return false; | |
91 } | |
92 | |
93 // Retrieve the instance data | |
94 std::string instanceId = series["Instances"][0].asString(); | |
95 | |
96 Json::Value info; | |
97 context.ReadJson(content, instanceId); | |
98 | |
99 return true; | |
100 } | |
101 | |
102 | |
535 | 103 static bool ContourToPoints(Json::Value& result, |
104 const Json::Value& source) | |
105 { | |
106 std::vector<std::string> points; | |
107 Toolbox::Split(points, source.asString(), '\\'); | |
108 | |
109 if (points.size() % 3 != 0) | |
110 { | |
111 return false; | |
112 } | |
113 | |
114 result = Json::arrayValue; | |
115 | |
116 for (size_t k = 0; k < points.size(); k += 3) | |
117 { | |
118 Json::Value p = Json::arrayValue; | |
119 | |
120 try | |
121 { | |
122 p.append(boost::lexical_cast<float>(points[k])); | |
123 p.append(boost::lexical_cast<float>(points[k + 1])); | |
124 p.append(boost::lexical_cast<float>(points[k + 2])); | |
125 } | |
126 catch (boost::bad_lexical_cast) | |
127 { | |
128 return false; | |
129 } | |
130 | |
131 result.append(p); | |
132 } | |
133 | |
134 return true; | |
135 } | |
136 | |
137 | |
526 | 138 static bool GetRtStructuresInfo(Json::Value& study, |
139 Json::Value& series, | |
140 Json::Value& content, | |
141 std::string& frameOfReference, | |
142 ServerContext& context, | |
143 const std::string& seriesId) | |
144 { | |
145 if (!CheckSeriesModality(study, series, content, context, seriesId, "RTSTRUCT")) | |
146 { | |
147 return false; | |
148 } | |
149 | |
150 // Check that the "ReferencedStudySequence" is the same as the parent study. | |
151 if (!content.isMember(REFERENCED_STUDY_SEQUENCE) || | |
152 content[REFERENCED_STUDY_SEQUENCE]["Value"].size() != 1 || | |
153 !content[REFERENCED_STUDY_SEQUENCE]["Value"][0].isMember(REFERENCED_SOP_INSTANCE_UID) || | |
154 content[REFERENCED_STUDY_SEQUENCE]["Value"][0][REFERENCED_SOP_INSTANCE_UID]["Value"].asString() != | |
155 study["MainDicomTags"]["StudyInstanceUID"].asString()) | |
156 { | |
157 return false; | |
158 } | |
159 | |
160 // Lookup for the frame of reference. Orthanc does not support | |
161 // RTSTRUCT with multiple frames of reference. | |
162 if (!content.isMember(REFERENCED_FRAME_OF_REFERENCE_SEQUENCE) || | |
163 content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"].size() != 1 || | |
164 !content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0].isMember(FRAME_OF_REFERENCE_UID)) | |
165 { | |
166 return false; | |
167 } | |
168 | |
169 frameOfReference = content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0][FRAME_OF_REFERENCE_UID]["Value"].asString(); | |
170 | |
171 return true; | |
172 } | |
173 | |
174 | |
535 | 175 static bool GetRtStructuresRoi(Json::Value& result, |
176 Json::Value& contourSequence, | |
177 std::string& instanceId, | |
178 ServerContext& context, | |
179 const std::string& seriesId, | |
180 const std::string& roiNumber) | |
181 { | |
182 Json::Value study, series, content; | |
183 std::string frameOfReference; | |
184 | |
185 if (!GetRtStructuresInfo(study, series, content, frameOfReference, context, seriesId)) | |
186 { | |
187 return false; | |
188 } | |
189 | |
190 if (!content.isMember(STRUCTURE_SET_ROI_SEQUENCE) || | |
191 !content.isMember(ROI_CONTOUR_SEQUENCE)) | |
192 { | |
193 return false; | |
194 } | |
195 | |
196 instanceId = series["Instances"][0].asString(); | |
197 | |
198 bool found = false; | |
199 | |
200 for (Json::Value::ArrayIndex i = 0; i < content[STRUCTURE_SET_ROI_SEQUENCE]["Value"].size(); i++) | |
201 { | |
202 const Json::Value& roi = content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i]; | |
203 | |
204 if (roi.isMember(ROI_NUMBER) && | |
205 roi.isMember(ROI_NAME) && | |
206 roi[ROI_NUMBER]["Value"].asString() == roiNumber) | |
207 { | |
208 result["InternalIndex"] = i; | |
209 result["Number"] = boost::lexical_cast<unsigned int>(roiNumber); | |
210 result["Name"] = roi[ROI_NAME]["Value"].asString(); | |
211 result["GenerationAlgorithm"] = roi[ROI_GENERATION_ALGORITHM]["Value"].asString(); | |
212 found = true; | |
213 } | |
214 } | |
215 | |
216 if (!found) | |
217 { | |
218 return false; | |
219 } | |
220 | |
221 for (Json::Value::ArrayIndex i = 0; i < content[ROI_CONTOUR_SEQUENCE]["Value"].size(); i++) | |
222 { | |
223 const Json::Value& contour = content[ROI_CONTOUR_SEQUENCE]["Value"][i]; | |
224 | |
225 if (contour.isMember(REFERENCED_ROI_NUMBER) && | |
226 contour.isMember(ROI_DISPLAY_COLOR) && | |
227 contour.isMember(CONTOUR_SEQUENCE) && | |
228 contour[REFERENCED_ROI_NUMBER]["Value"].asString() == roiNumber) | |
229 { | |
230 std::vector<std::string> color; | |
231 Toolbox::Split(color, contour[ROI_DISPLAY_COLOR]["Value"].asString(), '\\'); | |
232 | |
233 result["DisplayColor"] = Json::arrayValue; | |
234 if (color.size() != 3) | |
235 { | |
236 return false; | |
237 } | |
238 | |
239 for (size_t k = 0; k < color.size(); k++) | |
240 { | |
241 try | |
242 { | |
243 result["DisplayColor"].append(boost::lexical_cast<int>(color[k])); | |
244 } | |
245 catch (boost::bad_lexical_cast) | |
246 { | |
247 return false; | |
248 } | |
249 } | |
250 | |
251 contourSequence = contour[CONTOUR_SEQUENCE]["Value"]; | |
252 | |
253 return true; | |
254 } | |
255 } | |
256 | |
257 return false; | |
258 } | |
259 | |
260 | |
526 | 261 static void GetRtStructuresInfo(RestApi::GetCall& call) |
262 { | |
263 RETRIEVE_CONTEXT(call); | |
264 | |
265 Json::Value study, series, content; | |
266 std::string frameOfReference; | |
267 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", ""))) | |
268 { | |
269 Json::Value result; | |
270 | |
271 result["Study"] = study["ID"]; | |
272 | |
273 | |
274 // Lookup the series with the same frame of reference inside this study | |
275 result["RelatedSeries"] = Json::arrayValue; | |
276 | |
277 for (Json::Value::ArrayIndex i = 0; i < study["Series"].size(); i++) | |
278 { | |
279 Json::Value otherSeries; | |
280 if (context.GetIndex().LookupResource(otherSeries, study["Series"][i].asString(), ResourceType_Series) && | |
281 otherSeries["Instances"].size() > 0) | |
282 { | |
283 Json::Value info; | |
284 context.ReadJson(info, otherSeries["Instances"][0].asString()); | |
285 | |
286 if (info.isMember(FRAME_OF_REFERENCE_UID)) | |
287 { | |
288 result["RelatedSeries"].append(study["Series"][i].asString()); | |
289 } | |
290 } | |
291 } | |
292 | |
529 | 293 |
526 | 294 call.GetOutput().AnswerJson(result); |
295 } | |
296 } | |
297 | |
298 | |
529 | 299 static void GetRtStructuresListOfROIs(RestApi::GetCall& call) |
300 { | |
301 RETRIEVE_CONTEXT(call); | |
302 | |
303 Json::Value study, series, content; | |
304 std::string frameOfReference; | |
305 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", ""))) | |
306 { | |
307 Json::Value result(Json::arrayValue); | |
308 | |
309 if (content.isMember(STRUCTURE_SET_ROI_SEQUENCE)) | |
310 { | |
311 for (Json::Value::ArrayIndex i = 0; i < content[STRUCTURE_SET_ROI_SEQUENCE]["Value"].size(); i++) | |
312 { | |
313 if (content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i].isMember(ROI_NUMBER)) | |
314 { | |
535 | 315 result.append(boost::lexical_cast<int>(content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i][ROI_NUMBER]["Value"].asString())); |
529 | 316 } |
317 } | |
318 } | |
319 | |
320 call.GetOutput().AnswerJson(result); | |
321 } | |
322 } | |
323 | |
324 | |
325 static void GetRtStructuresROI(RestApi::GetCall& call) | |
326 { | |
535 | 327 RETRIEVE_CONTEXT(call); |
328 | |
329 Json::Value roi, contour; | |
330 std::string instanceId; | |
331 | |
332 if (GetRtStructuresRoi(roi, contour, instanceId, context, | |
333 call.GetUriComponent("id", ""), | |
334 call.GetUriComponent("roi", ""))) | |
335 { | |
336 roi.removeMember("InternalIndex"); | |
337 call.GetOutput().AnswerJson(roi); | |
338 } | |
339 } | |
340 | |
341 | |
342 static void GetRtStructuresROIPoints(RestApi::GetCall& call) | |
343 { | |
344 RETRIEVE_CONTEXT(call); | |
345 | |
346 Json::Value roi, contour; | |
347 std::string instanceId; | |
348 | |
349 if (GetRtStructuresRoi(roi, contour, instanceId, context, | |
350 call.GetUriComponent("id", ""), | |
351 call.GetUriComponent("roi", ""))) | |
352 { | |
353 Json::Value result = Json::arrayValue; | |
354 | |
355 for (Json::Value::ArrayIndex i = 0; i < contour.size(); i++) | |
356 { | |
357 if (contour[i][CONTOUR_GEOMETRIC_TYPE]["Value"].asString() == "POINT") | |
358 { | |
359 Json::Value p; | |
360 if (ContourToPoints(p, contour[i][CONTOUR_DATA]["Value"].asString()) && | |
361 p.size() == 1) | |
362 { | |
363 result.append(p[0]); | |
364 } | |
365 } | |
366 } | |
367 | |
368 call.GetOutput().AnswerJson(result); | |
369 } | |
370 } | |
371 | |
372 | |
373 static void GetRtStructuresListOfClosedPlanars(RestApi::GetCall& call) | |
374 { | |
375 RETRIEVE_CONTEXT(call); | |
376 | |
377 Json::Value roi, contour; | |
378 std::string instanceId; | |
379 | |
380 if (GetRtStructuresRoi(roi, contour, instanceId, context, | |
381 call.GetUriComponent("id", ""), | |
382 call.GetUriComponent("roi", ""))) | |
383 { | |
384 Json::Value result = Json::arrayValue; | |
385 | |
386 for (Json::Value::ArrayIndex i = 0; i < contour.size(); i++) | |
387 { | |
388 if (contour[i].isMember(CONTOUR_IMAGE_SEQUENCE) && | |
389 contour[i].isMember(CONTOUR_GEOMETRIC_TYPE) && | |
390 contour[i].isMember(NUMBER_OF_CONTOUR_POINTS) && | |
391 contour[i].isMember(CONTOUR_DATA) && | |
392 contour[i].isMember(CONTOUR_SLAB_THICKNESS) && | |
393 contour[i][CONTOUR_IMAGE_SEQUENCE]["Value"].size() == 1 && | |
394 contour[i][CONTOUR_IMAGE_SEQUENCE]["Value"][0].isMember(REFERENCED_SOP_INSTANCE_UID) && | |
395 contour[i][CONTOUR_GEOMETRIC_TYPE]["Value"].asString() == "CLOSED_PLANAR") | |
396 { | |
397 result.append(i); | |
398 } | |
399 } | |
400 | |
401 call.GetOutput().AnswerJson(result); | |
402 } | |
403 } | |
404 | |
405 | |
406 static void GetRtStructuresSingleClosedPlanar(RestApi::GetCall& call) | |
407 { | |
408 RETRIEVE_CONTEXT(call); | |
409 | |
410 Json::Value roi, contour; | |
411 std::string instanceId; | |
412 | |
413 if (GetRtStructuresRoi(roi, contour, instanceId, context, | |
414 call.GetUriComponent("id", ""), | |
415 call.GetUriComponent("roi", ""))) | |
416 { | |
417 unsigned int index = boost::lexical_cast<unsigned int>(call.GetUriComponent("polygon", "")); | |
418 | |
419 boost::mutex::scoped_lock lock(context.GetDicomFileMutex()); | |
420 ParsedDicomFile& dicom = context.GetDicomFile(instanceId); | |
421 | |
422 ParsedDicomFile::SequencePath path; | |
423 path.push_back(std::make_pair(DicomTag(0x3006, 0x0039 /* ROIContourSequence */), roi["InternalIndex"].asInt())); | |
424 path.push_back(std::make_pair(DicomTag(0x3006, 0x0040 /* ContourSequence */), index)); | |
425 | |
426 Json::Value result; | |
427 std::string contourData; | |
428 std::string numberOfPoints; | |
429 | |
430 if (dicom.GetTagValue(contourData, path, DicomTag(0x3006, 0x0050 /* ContourData */)) && | |
431 dicom.GetTagValue(numberOfPoints, path, DicomTag(0x3006, 0x0046 /* NumberOfContourPoints */)) && | |
432 ContourToPoints(result, contourData) && | |
433 result.size() == boost::lexical_cast<unsigned int>(numberOfPoints)) | |
434 { | |
435 call.GetOutput().AnswerJson(result); | |
436 } | |
437 } | |
438 } | |
439 | |
440 | |
441 static void GetRtStructuresClosedPlanarThickness(RestApi::GetCall& call) | |
442 { | |
443 RETRIEVE_CONTEXT(call); | |
444 | |
445 Json::Value roi, contour; | |
446 std::string instanceId; | |
447 | |
448 if (GetRtStructuresRoi(roi, contour, instanceId, context, | |
449 call.GetUriComponent("id", ""), | |
450 call.GetUriComponent("roi", ""))) | |
451 { | |
452 unsigned int index = boost::lexical_cast<unsigned int>(call.GetUriComponent("polygon", "")); | |
453 | |
454 if (contour[index].isMember(CONTOUR_SLAB_THICKNESS)) | |
455 { | |
456 std::cout <<contour[index][CONTOUR_SLAB_THICKNESS] << std::endl; | |
457 call.GetOutput().AnswerBuffer(contour[index][CONTOUR_SLAB_THICKNESS]["Value"].asString(), "text/plain"); | |
458 } | |
459 else | |
460 { | |
461 // TODO - No slab thickness is explicitely specified: Should we | |
462 // fallback to the thickness of the instance? | |
463 } | |
464 } | |
465 } | |
466 | |
467 | |
468 static void GetRtStructuresClosedPlanarInstance(RestApi::GetCall& call) | |
469 { | |
529 | 470 RETRIEVE_CONTEXT(call); |
471 | |
535 | 472 Json::Value roi, contour; |
473 std::string instanceId; | |
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474 |
535 | 475 if (GetRtStructuresRoi(roi, contour, instanceId, context, |
476 call.GetUriComponent("id", ""), | |
477 call.GetUriComponent("roi", ""))) | |
478 { | |
479 unsigned int index = boost::lexical_cast<unsigned int>(call.GetUriComponent("polygon", "")); | |
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parents:
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diff
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480 |
535 | 481 if (contour[index].isMember(CONTOUR_IMAGE_SEQUENCE) && |
482 contour[index][CONTOUR_IMAGE_SEQUENCE]["Value"].size() == 1 && | |
483 contour[index][CONTOUR_IMAGE_SEQUENCE]["Value"][0].isMember(REFERENCED_SOP_INSTANCE_UID)) | |
484 { | |
485 std::string uid = contour[index][CONTOUR_IMAGE_SEQUENCE]["Value"][0][REFERENCED_SOP_INSTANCE_UID]["Value"].asString(); | |
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486 |
535 | 487 std::list<std::string> instance; |
488 context.GetIndex().LookupTagValue(instance, DICOM_TAG_SOP_INSTANCE_UID, uid); | |
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489 |
535 | 490 Json::Value result; |
491 if (instance.size() == 1 && | |
492 context.GetIndex().LookupResource(result, instance.front(), ResourceType_Instance)) | |
529 | 493 { |
494 call.GetOutput().AnswerJson(result); | |
495 } | |
496 } | |
497 } | |
498 } | |
499 | |
500 | |
526 | 501 RadiotherapyRestApi::RadiotherapyRestApi(ServerContext& context) : OrthancRestApi(context) |
502 { | |
503 Register("/series/{id}/rt-structures", GetRtStructuresInfo); | |
529 | 504 Register("/series/{id}/rt-structures/roi", GetRtStructuresListOfROIs); |
535 | 505 Register("/series/{id}/rt-structures/roi/{roi}/info", GetRtStructuresROI); |
506 Register("/series/{id}/rt-structures/roi/{roi}/points", GetRtStructuresROIPoints); | |
507 Register("/series/{id}/rt-structures/roi/{roi}/closed-planar", GetRtStructuresListOfClosedPlanars); | |
508 Register("/series/{id}/rt-structures/roi/{roi}/closed-planar/{polygon}/points", GetRtStructuresSingleClosedPlanar); | |
509 Register("/series/{id}/rt-structures/roi/{roi}/closed-planar/{polygon}/thickness", GetRtStructuresClosedPlanarThickness); | |
510 Register("/series/{id}/rt-structures/roi/{roi}/closed-planar/{polygon}/instance", GetRtStructuresClosedPlanarInstance); | |
526 | 511 } |
529 | 512 |
526 | 513 } |
514 | |
515 | |
516 // curl http://localhost:8042/series/0b9e2bb2-605a59aa-f27c0260-9cc4faf6-9d8bf457/rt-structures | |
517 // curl http://localhost:8042/series/ef041e6b-c855e775-f7e0f7fe-dc3c17dc-533cb8c5/rt-structures |