Mercurial > hg > orthanc-stone

annotate Framework/Layers/DicomStructureSetRendererFactory.cpp @ 126:c9e88e7935a4 wasm

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rt-struct projection
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 08 Nov 2017 17:27:38 +0100
parents 44fc253d4876
children c993693e9e63
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1 /**
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2 * Stone of Orthanc
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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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7207a407bcd8 shared copyright with osimis
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5 * Copyright (C) 2017 Osimis, 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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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21
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22 #include "DicomStructureSetRendererFactory.h"
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24 #include "../Toolbox/MessagingToolbox.h"
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25
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2eca030792aa using the Orthanc Framework
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26 #include <Core/OrthancException.h>
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28 namespace OrthancStone
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29 {
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30 class DicomStructureSetRendererFactory::Renderer : public ILayerRenderer
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31 {
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32 private:
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33 DicomStructureSet& structureSet_;
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34 CoordinateSystem3D slice_;
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35 bool visible_;
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37 public:
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38 Renderer(DicomStructureSet& structureSet,
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39 const CoordinateSystem3D& slice) :
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40 structureSet_(structureSet),
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41 slice_(slice),
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42 visible_(true)
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43 {
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44 }
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45
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46 virtual bool RenderLayer(CairoContext& context,
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47 const ViewportGeometry& view)
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48 {
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49 if (visible_)
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50 {
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51 cairo_set_line_width(context.GetObject(), 3.0f / view.GetZoom());
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52
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53 cairo_t* cr = context.GetObject();
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54
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55 for (size_t k = 0; k < structureSet_.GetStructureCount(); k++)
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56 {
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57 /*if (structureSet_.GetStructureName(k) != "CORD")
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58 {
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59 continue;
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60 }*/
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61
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62 std::vector< std::vector<DicomStructureSet::PolygonPoint> > polygons;
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63
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64 if (structureSet_.ProjectStructure(polygons, k, slice_))
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65 {
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66 uint8_t red, green, blue;
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67 structureSet_.GetStructureColor(red, green, blue, k);
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68 context.SetSourceColor(red, green, blue);
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69
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70 for (size_t i = 0; i < polygons.size(); i++)
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71 {
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72 cairo_move_to(cr, polygons[i][0].first, polygons[i][0].second);
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73
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74 for (size_t j = 1; j < polygons[i].size(); j++)
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75 {
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76 cairo_line_to(cr, polygons[i][j].first, polygons[i][j].second);
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77 }
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78
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79 cairo_line_to(cr, polygons[i][0].first, polygons[i][0].second);
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80 cairo_stroke(cr);
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81 }
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82 }
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83 }
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84 }
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85
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86 return true;
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87 }
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88
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89 virtual const CoordinateSystem3D& GetLayerSlice()
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90 {
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91 return slice_;
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92 }
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93
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94 virtual void SetLayerStyle(const RenderStyle& style)
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95 {
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96 visible_ = style.visible_;
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97 }
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98
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99 virtual bool IsFullQuality()
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100 {
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101 return true;
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102 }
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103 };
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104
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105
123
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106 class DicomStructureSetRendererFactory::Operation : public Orthanc::IDynamicObject
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107 {
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108 public:
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109 enum Type
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110 {
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111 Type_LoadStructureSet,
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112 Type_LookupSopInstanceUid,
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113 Type_LoadReferencedSlice
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114 };
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115
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116 private:
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117 Type type_;
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118 std::string value_;
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119
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120 public:
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121 Operation(Type type,
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122 const std::string& value) :
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123 type_(type),
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124 value_(value)
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125 {
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126 }
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127
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128 Type GetType() const
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129 {
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130 return type_;
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131 }
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132
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133 const std::string& GetIdentifier() const
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134 {
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135 return value_;
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136 }
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137 };
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138
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139
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140 void DicomStructureSetRendererFactory::NotifyError(const std::string& uri,
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141 Orthanc::IDynamicObject* payload)
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142 {
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143 // TODO
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144 }
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145
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146
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147 void DicomStructureSetRendererFactory::NotifySuccess(const std::string& uri,
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148 const void* answer,
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149 size_t answerSize,
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150 Orthanc::IDynamicObject* payload)
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151 {
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152 std::auto_ptr<Operation> op(dynamic_cast<Operation*>(payload));
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153
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154 switch (op->GetType())
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155 {
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156 case Operation::Type_LoadStructureSet:
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157 {
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158 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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159 structureSet_.reset(new DicomStructureSet(dataset));
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160
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161 std::set<std::string> instances;
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162 structureSet_->GetReferencedInstances(instances);
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163
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164 for (std::set<std::string>::const_iterator it = instances.begin();
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165 it != instances.end(); ++it)
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166 {
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167 orthanc_.SchedulePostRequest(*this, "/tools/lookup", *it,
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168 new Operation(Operation::Type_LookupSopInstanceUid, *it));
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169 }
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170
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171 break;
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172 }
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173
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174 case Operation::Type_LookupSopInstanceUid:
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175 {
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176 Json::Value lookup;
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177
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178 if (MessagingToolbox::ParseJson(lookup, answer, answerSize))
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179 {
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180 if (lookup.type() != Json::arrayValue ||
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181 lookup.size() != 1 ||
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182 !lookup[0].isMember("Type") ||
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183 !lookup[0].isMember("Path") ||
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184 lookup[0]["Type"].type() != Json::stringValue ||
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185 lookup[0]["ID"].type() != Json::stringValue ||
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186 lookup[0]["Type"].asString() != "Instance")
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187 {
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188 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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189 }
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190
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191 const std::string& instance = lookup[0]["ID"].asString();
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192 orthanc_.ScheduleGetRequest(*this, "/instances/" + instance + "/tags",
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193 new Operation(Operation::Type_LoadReferencedSlice, instance));
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194 }
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195 else
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196 {
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197 // TODO
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198 }
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199
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200 break;
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201 }
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202
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203 case Operation::Type_LoadReferencedSlice:
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204 {
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205 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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206
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207 Orthanc::DicomMap slice;
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208 MessagingToolbox::ConvertDataset(slice, dataset);
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209 structureSet_->AddReferencedSlice(slice);
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210
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211 LayerSourceBase::NotifyContentChange();
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212
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213 break;
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214 }
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215
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216 default:
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217 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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218 }
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219 }
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220
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221
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222 DicomStructureSetRendererFactory::DicomStructureSetRendererFactory(IWebService& orthanc,
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223 const std::string& instance) :
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224 orthanc_(orthanc)
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225 {
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226 const std::string uri = "/instances/" + instance + "/tags?ignore-length=3006-0050";
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227 orthanc_.ScheduleGetRequest(*this, uri, new Operation(Operation::Type_LoadStructureSet, instance));
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228 }
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229
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230
121
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231 void DicomStructureSetRendererFactory::ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice)
0
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232 {
125
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233 if (structureSet_.get() != NULL)
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234 {
123
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235 NotifyLayerReady(new Renderer(*structureSet_, viewportSlice), viewportSlice, false);
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236 }
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237 }
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238 }