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annotate OrthancStone/Sources/Loaders/DicomStructureSetLoader.h @ 1615:f5d4bd7b5593

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new class: OsiriXLayerFactory
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 30 Oct 2020 17:26:44 +0100
parents 8563ea5d8ae4
children 52b8b96cb55f
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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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5 * Copyright (C) 2017-2020 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include "../Toolbox/DicomStructureSet.h"
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26 #include "../Volumes/IVolumeSlicer.h"
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27 #include "../Loaders/ILoadersContext.h"
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28 #include "LoaderStateMachine.h"
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29
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30 #include <vector>
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31
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32 namespace OrthancStone
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33 {
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34 class DicomStructureSetLoader :
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35 public LoaderStateMachine,
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36 public OrthancStone::IVolumeSlicer,
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37 public OrthancStone::IObservable
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38 {
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39 public:
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40 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, StructuresReady, DicomStructureSetLoader);
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41 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, StructuresUpdated, DicomStructureSetLoader);
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43 /**
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45 Once the structure set has been loaded (the LoadStructure state), we need to fill it with geometry information
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46 from the referenced slices (tag (0008,1155) described here:
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47 https://dicom.innolitics.com/ciods/rt-structure-set/general-reference/00081140/00081155
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48
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49 This interface allows to customize how this information can be gathered. By default, the RestInstanceLookupHandler
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50 will perform a REST call to the Orthanc API to retrieve this information.
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51
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52 Injecting another implementation of this interface is useful when where this information can be supplied in
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53 another (faster) way (for instance, if a separate loader for the CT series can be used to supply the slice geometry)
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54 */
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55 class IInstanceLookupHandler
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56 {
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57 public:
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58 virtual void RetrieveReferencedSlices(const std::set<std::string>& instances) = 0;
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59 };
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60
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61 // predeclaration of the default IInstanceLookupHandler implementation
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62 class RestInstanceLookupHandler;
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63
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64 static boost::shared_ptr<DicomStructureSetLoader> Create(
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65 OrthancStone::ILoadersContext& loadersContext);
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66
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67 void SetInstanceLookupHandler(boost::shared_ptr<IInstanceLookupHandler> instanceLookupHandler)
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68 {
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69 instanceLookupHandler_ = instanceLookupHandler;
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70 }
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72 OrthancStone::DicomStructureSet* GetContent()
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73 {
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74 return content_.get();
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75 }
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77 void SetStructureDisplayState(size_t structureIndex, bool display);
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79 bool GetStructureDisplayState(size_t structureIndex) const
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80 {
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81 return structureVisibility_.at(structureIndex);
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82 }
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83
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84 ~DicomStructureSetLoader();
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86 void LoadInstance(const std::string& instanceId,
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87 const std::vector<std::string>& initiallyVisibleStructures = std::vector<std::string>());
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88
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89 void LoadInstanceFullVisibility(const std::string& instanceId);
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92 virtual IExtractedSlice* ExtractSlice(const OrthancStone::CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE;
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93
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94 void SetStructuresReady();
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95 void SetStructuresUpdated();
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96
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97 bool AreStructuresReady() const;
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98
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99 /**
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100 Called by the IInstanceLookupHandler when slice referenced instance information is available.
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101 When the last referenced slice is received, this method will perform a final check and will warn observers
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102 */
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103 void AddReferencedSlice(const Orthanc::DicomMap& dicom);
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104
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105 private:
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106 class Slice;
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107
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108 // Only state of LoaderStateMachine
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109 class LoadStructure; // 1st state
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110
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111 OrthancStone::ILoadersContext& loadersContext_;
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112 std::unique_ptr<OrthancStone::DicomStructureSet> content_;
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113 uint64_t revision_;
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114 std::string instanceId_;
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115 unsigned int countProcessedInstances_;
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116 unsigned int countReferencedInstances_;
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117
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118 // will be set to true once the loading is finished
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119 bool structuresReady_;
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120
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121 /**
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122 At load time, these strings are used to initialize the structureVisibility_
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123 vector.
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124
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125 As a special case, if initiallyVisibleStructures_ contains a single string
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126 that is '*', ALL structures will be made visible.
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127 */
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128 std::vector<std::string> initiallyVisibleStructures_;
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129
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130 /**
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131 Contains the "Should this structure be displayed?" flag for all structures.
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132 Only filled when structures are loaded.
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133
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134 Changing this value directly affects the rendering
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135 */
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136 std::vector<bool> structureVisibility_;
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137
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138
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139 boost::shared_ptr<IInstanceLookupHandler> instanceLookupHandler_;
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140
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141 private:
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142 void RetrieveReferencedSlices(const std::set<std::string>& nonEmptyInstances);
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143
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144 protected:
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145 explicit DicomStructureSetLoader(OrthancStone::ILoadersContext& loadersContext);
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146 };
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Sebastien Jodogne <s.jodogne@gmail.com>
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147 }