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526
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2013 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "RadiotherapyRestApi.h"
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34
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35 #include "ServerToolbox.h"
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36
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37 #define RETRIEVE_CONTEXT(call) \
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38 OrthancRestApi& contextApi = \
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39 dynamic_cast<OrthancRestApi&>(call.GetContext()); \
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40 ServerContext& context = contextApi.GetContext()
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41
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42
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43 #define REFERENCED_STUDY_SEQUENCE "0008,1110"
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44 #define REFERENCED_SOP_INSTANCE_UID "0008,1155"
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45 #define FRAME_OF_REFERENCE_UID "0020,0052"
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46 #define REFERENCED_FRAME_OF_REFERENCE_SEQUENCE "3006,0010"
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529
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47 #define STRUCTURE_SET_ROI_SEQUENCE "3006,0020"
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48 #define ROI_NUMBER "3006,0022"
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49 #define ROI_NAME "3006,0026"
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50 #define ROI_GENERATION_ALGORITHM "3006,0036"
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51 #define ROI_CONTOUR_SEQUENCE "3006,0039"
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52 #define REFERENCED_ROI_NUMBER "3006,0084"
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53 #define ROI_DISPLAY_COLOR "3006,002a"
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526
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54
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55 namespace Orthanc
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56 {
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57 static bool CheckSeriesModality(Json::Value& study,
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58 Json::Value& series,
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59 Json::Value& content,
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60 ServerContext& context,
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61 const std::string& seriesId,
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62 const std::string& modality)
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63 {
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64 if (!context.GetIndex().LookupResource(series, seriesId, ResourceType_Series))
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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 // Retrieve the parent study
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70 std::string studyId = series["ParentStudy"].asString();
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71 if (!context.GetIndex().LookupResource(study, studyId, ResourceType_Study))
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72 {
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73 return false;
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74 }
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75
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76 // Check the modality and that there is a single instance inside the series
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77 if (!series["MainDicomTags"].isMember("Modality") ||
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78 series["MainDicomTags"]["Modality"].asString() != modality ||
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79 series["Instances"].size() != 1)
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80 {
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81 return false;
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82 }
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83
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84 // Retrieve the instance data
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85 std::string instanceId = series["Instances"][0].asString();
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86
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87 Json::Value info;
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88 context.ReadJson(content, instanceId);
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89
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90 return true;
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91 }
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92
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93
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94 static bool GetRtStructuresInfo(Json::Value& study,
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95 Json::Value& series,
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96 Json::Value& content,
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97 std::string& frameOfReference,
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98 ServerContext& context,
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99 const std::string& seriesId)
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100 {
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101 if (!CheckSeriesModality(study, series, content, context, seriesId, "RTSTRUCT"))
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102 {
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103 return false;
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104 }
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105
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106 // Check that the "ReferencedStudySequence" is the same as the parent study.
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107 if (!content.isMember(REFERENCED_STUDY_SEQUENCE) ||
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108 content[REFERENCED_STUDY_SEQUENCE]["Value"].size() != 1 ||
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109 !content[REFERENCED_STUDY_SEQUENCE]["Value"][0].isMember(REFERENCED_SOP_INSTANCE_UID) ||
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110 content[REFERENCED_STUDY_SEQUENCE]["Value"][0][REFERENCED_SOP_INSTANCE_UID]["Value"].asString() !=
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111 study["MainDicomTags"]["StudyInstanceUID"].asString())
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112 {
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113 return false;
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114 }
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115
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116 // Lookup for the frame of reference. Orthanc does not support
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117 // RTSTRUCT with multiple frames of reference.
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118 if (!content.isMember(REFERENCED_FRAME_OF_REFERENCE_SEQUENCE) ||
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119 content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"].size() != 1 ||
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120 !content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0].isMember(FRAME_OF_REFERENCE_UID))
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121 {
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122 return false;
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123 }
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124
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125 frameOfReference = content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0][FRAME_OF_REFERENCE_UID]["Value"].asString();
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126
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127 return true;
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128 }
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129
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130
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131 static void GetRtStructuresInfo(RestApi::GetCall& call)
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132 {
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133 RETRIEVE_CONTEXT(call);
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134
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135 Json::Value study, series, content;
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136 std::string frameOfReference;
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137 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", "")))
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138 {
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139 Json::Value result;
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140
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141 result["Study"] = study["ID"];
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142
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143
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144 // Lookup the series with the same frame of reference inside this study
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145 result["RelatedSeries"] = Json::arrayValue;
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146
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147 for (Json::Value::ArrayIndex i = 0; i < study["Series"].size(); i++)
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148 {
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149 Json::Value otherSeries;
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150 if (context.GetIndex().LookupResource(otherSeries, study["Series"][i].asString(), ResourceType_Series) &&
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151 otherSeries["Instances"].size() > 0)
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152 {
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153 Json::Value info;
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154 context.ReadJson(info, otherSeries["Instances"][0].asString());
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155
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156 if (info.isMember(FRAME_OF_REFERENCE_UID))
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157 {
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158 result["RelatedSeries"].append(study["Series"][i].asString());
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159 }
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160 }
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161 }
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162
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529
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163
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526
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164 call.GetOutput().AnswerJson(result);
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165 }
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166 }
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167
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168
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529
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169 static void GetRtStructuresListOfROIs(RestApi::GetCall& call)
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170 {
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171 RETRIEVE_CONTEXT(call);
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172
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173 Json::Value study, series, content;
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174 std::string frameOfReference;
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175 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", "")))
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176 {
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177 Json::Value result(Json::arrayValue);
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178
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179 if (content.isMember(STRUCTURE_SET_ROI_SEQUENCE))
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180 {
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181 for (Json::Value::ArrayIndex i = 0; i < content[STRUCTURE_SET_ROI_SEQUENCE]["Value"].size(); i++)
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182 {
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183 if (content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i].isMember(ROI_NUMBER))
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184 {
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185 result.append(content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i][ROI_NUMBER]["Value"].asString());
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186 }
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187 }
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188 }
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189
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190 call.GetOutput().AnswerJson(result);
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191 }
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192 }
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193
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194
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195 static void GetRtStructuresROI(RestApi::GetCall& call)
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196 {
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197 RETRIEVE_CONTEXT(call);
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198
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199 Json::Value study, series, content;
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200 std::string frameOfReference;
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201 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", "")))
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202 {
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203 if (content.isMember(STRUCTURE_SET_ROI_SEQUENCE) &&
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204 content.isMember(ROI_CONTOUR_SEQUENCE))
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205 {
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206 Json::Value result;
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207
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208 bool found = false;
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209 for (Json::Value::ArrayIndex i = 0; i < content[STRUCTURE_SET_ROI_SEQUENCE]["Value"].size(); i++)
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210 {
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211 if (content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i].isMember(ROI_NUMBER) &&
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212 content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i].isMember(ROI_NAME) &&
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213 content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i][ROI_NUMBER]["Value"].asString() == call.GetUriComponent("roi", ""))
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214 {
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215 result["Number"] = call.GetUriComponent("roi", "");
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216 result["Name"] = content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i][ROI_NAME]["Value"].asString();
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217 result["GenerationAlgorithm"] = content[STRUCTURE_SET_ROI_SEQUENCE]["Value"][i][ROI_GENERATION_ALGORITHM]["Value"].asString();
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218 found = true;
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219 }
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220 }
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221
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222 if (!found)
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223 {
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224 return;
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225 }
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226
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227 found = false;
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228
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229 for (Json::Value::ArrayIndex i = 0; i < content[ROI_CONTOUR_SEQUENCE]["Value"].size(); i++)
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230 {
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231 if (content[ROI_CONTOUR_SEQUENCE]["Value"][i].isMember(REFERENCED_ROI_NUMBER) &&
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232 content[ROI_CONTOUR_SEQUENCE]["Value"][i].isMember(ROI_DISPLAY_COLOR) &&
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233 content[ROI_CONTOUR_SEQUENCE]["Value"][i][REFERENCED_ROI_NUMBER]["Value"].asString() == call.GetUriComponent("roi", ""))
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234 {
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235 result["DisplayColor"] = content[ROI_CONTOUR_SEQUENCE]["Value"][i][ROI_DISPLAY_COLOR]["Value"].asString();
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236 found = true;
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237 }
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238 }
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239
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240 if (found)
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241 {
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242 call.GetOutput().AnswerJson(result);
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243 }
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244 }
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245 }
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246 }
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247
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248
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526
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249 RadiotherapyRestApi::RadiotherapyRestApi(ServerContext& context) : OrthancRestApi(context)
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250 {
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251 Register("/series/{id}/rt-structures", GetRtStructuresInfo);
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529
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252 Register("/series/{id}/rt-structures/roi", GetRtStructuresListOfROIs);
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253 Register("/series/{id}/rt-structures/roi/{roi}", GetRtStructuresROI);
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526
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254 }
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529
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255
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526
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256 }
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257
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258
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259 // curl http://localhost:8042/series/0b9e2bb2-605a59aa-f27c0260-9cc4faf6-9d8bf457/rt-structures
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260 // curl http://localhost:8042/series/ef041e6b-c855e775-f7e0f7fe-dc3c17dc-533cb8c5/rt-structures
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