annotate Core/DicomFormat/DicomInstanceHasher.cpp @ 3512:4bced7d1ec20

in /ordered-slices route, ignore instances without position/normal/seriesIndex
author amazy
date Wed, 04 Sep 2019 18:23:22 +0200
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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34 #include "../PrecompiledHeaders.h"
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35 #include "DicomInstanceHasher.h"
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36
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37 #include "../OrthancException.h"
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38 #include "../Toolbox.h"
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40 namespace Orthanc
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41 {
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42 void DicomInstanceHasher::Setup(const std::string& patientId,
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43 const std::string& studyUid,
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44 const std::string& seriesUid,
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45 const std::string& instanceUid)
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46 {
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47 patientId_ = patientId;
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48 studyUid_ = studyUid;
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49 seriesUid_ = seriesUid;
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50 instanceUid_ = instanceUid;
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51
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52 if (studyUid_.size() == 0 ||
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53 seriesUid_.size() == 0 ||
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54 instanceUid_.size() == 0)
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55 {
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56 throw OrthancException(ErrorCode_BadFileFormat, "missing StudyInstanceUID, SeriesInstanceUID or SOPInstanceUID");
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57 }
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58 }
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59
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60 DicomInstanceHasher::DicomInstanceHasher(const DicomMap& instance)
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61 {
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62 const DicomValue* patientId = instance.TestAndGetValue(DICOM_TAG_PATIENT_ID);
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64 Setup(patientId == NULL ? "" : patientId->GetContent(),
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65 instance.GetValue(DICOM_TAG_STUDY_INSTANCE_UID).GetContent(),
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66 instance.GetValue(DICOM_TAG_SERIES_INSTANCE_UID).GetContent(),
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67 instance.GetValue(DICOM_TAG_SOP_INSTANCE_UID).GetContent());
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68 }
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69
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70 const std::string& DicomInstanceHasher::HashPatient()
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71 {
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72 if (patientHash_.size() == 0)
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73 {
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74 Toolbox::ComputeSHA1(patientHash_, patientId_);
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75 }
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76
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77 return patientHash_;
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78 }
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80 const std::string& DicomInstanceHasher::HashStudy()
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81 {
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82 if (studyHash_.size() == 0)
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83 {
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84 Toolbox::ComputeSHA1(studyHash_, patientId_ + "|" + studyUid_);
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85 }
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86
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87 return studyHash_;
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88 }
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89
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90 const std::string& DicomInstanceHasher::HashSeries()
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91 {
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92 if (seriesHash_.size() == 0)
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93 {
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94 Toolbox::ComputeSHA1(seriesHash_, patientId_ + "|" + studyUid_ + "|" + seriesUid_);
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95 }
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96
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97 return seriesHash_;
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98 }
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100 const std::string& DicomInstanceHasher::HashInstance()
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101 {
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102 if (instanceHash_.size() == 0)
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103 {
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104 Toolbox::ComputeSHA1(instanceHash_, patientId_ + "|" + studyUid_ + "|" + seriesUid_ + "|" + instanceUid_);
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105 }
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106
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107 return instanceHash_;
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108 }
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109 }