Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Loaders/OrthancSeriesVolumeProgressiveLoader.h @ 1574:fb5e620430ae

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fix
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 21 Sep 2020 18:29:53 +0200
parents 244ad1e4e76a
children 4fb8fdf03314
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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 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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20
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21
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22 #pragma once
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23
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24 #include "../Loaders/IFetchingItemsSorter.h"
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25 #include "../Loaders/IFetchingStrategy.h"
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26 #include "../Messages/IObservable.h"
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27 #include "../Messages/ObserverBase.h"
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28 #include "../Oracle/GetOrthancImageCommand.h"
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29 #include "../Oracle/GetOrthancWebViewerJpegCommand.h"
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30 #include "../Oracle/IOracle.h"
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31 #include "../Oracle/OrthancRestApiCommand.h"
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32 #include "../Toolbox/SlicesSorter.h"
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33 #include "../Volumes/DicomVolumeImage.h"
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34 #include "../Volumes/IVolumeSlicer.h"
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35
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36 #include "../Volumes/IGeometryProvider.h"
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38
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39 #include <boost/shared_ptr.hpp>
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40
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41 namespace OrthancStone
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42 {
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43 class ILoadersContext;
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44 /**
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45 This class is used to manage the progressive loading of a volume that
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46 is stored in a Dicom series.
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47 */
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48 class OrthancSeriesVolumeProgressiveLoader :
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49 public OrthancStone::ObserverBase<OrthancSeriesVolumeProgressiveLoader>,
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50 public OrthancStone::IObservable,
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51 public OrthancStone::IVolumeSlicer,
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52 public IGeometryProvider
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53 {
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54 public:
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55 class ISlicePostProcessor
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56 {
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57 public:
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58 virtual void ProcessCTDicomSlice(const Orthanc::DicomMap& dicom) = 0;
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59 };
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60
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61 private:
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62 static const unsigned int QUALITY_00 = 0;
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63 static const unsigned int QUALITY_01 = 1;
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64 static const unsigned int QUALITY_02 = 2;
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65
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66 class ExtractedSlice;
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67
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68
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69 /** Helper class internal to OrthancSeriesVolumeProgressiveLoader */
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70 class SeriesGeometry : public boost::noncopyable
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71 {
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72 private:
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73 void CheckSlice(size_t index,
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74 const OrthancStone::DicomInstanceParameters& reference) const;
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75
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76 void CheckVolume() const;
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77
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78 void Clear();
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79
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80 void CheckSliceIndex(size_t index) const;
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81
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82 std::unique_ptr<OrthancStone::VolumeImageGeometry> geometry_;
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83 std::vector<OrthancStone::DicomInstanceParameters*> slices_;
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84 std::vector<uint64_t> slicesRevision_;
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85
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86 public:
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87 ~SeriesGeometry()
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88 {
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89 Clear();
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90 }
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91
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92 void ComputeGeometry(OrthancStone::SlicesSorter& slices);
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93
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94 virtual bool HasGeometry() const
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95 {
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96 return geometry_.get() != NULL;
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97 }
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98
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99 virtual const OrthancStone::VolumeImageGeometry& GetImageGeometry() const;
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100
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101 const OrthancStone::DicomInstanceParameters& GetSliceParameters(size_t index) const;
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102
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103 uint64_t GetSliceRevision(size_t index) const;
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104
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105 void IncrementSliceRevision(size_t index);
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106 };
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107
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108 void ScheduleNextSliceDownload();
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109
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110 void LoadGeometry(const OrthancStone::OrthancRestApiCommand::SuccessMessage& message);
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111
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112 void SetSliceContent(unsigned int sliceIndex,
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113 const Orthanc::ImageAccessor& image,
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114 unsigned int quality);
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115
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116 void LoadBestQualitySliceContent(const OrthancStone::GetOrthancImageCommand::SuccessMessage& message);
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117
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118 void LoadJpegSliceContent(const OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage& message);
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119
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120 OrthancStone::ILoadersContext& loadersContext_;
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121 bool active_;
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122 bool progressiveQuality_;
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123 unsigned int simultaneousDownloads_;
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124 SeriesGeometry seriesGeometry_;
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125 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume_;
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126 std::unique_ptr<OrthancStone::IFetchingItemsSorter::IFactory> sorter_;
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127 std::unique_ptr<OrthancStone::IFetchingStrategy> strategy_;
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128
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129 std::vector<unsigned int> slicesQuality_;
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130 bool volumeImageReadyInHighQuality_;
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131
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132 boost::shared_ptr<ISlicePostProcessor> slicePostProcessor_;
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133
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134 /** See priority setters/getters below */
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135 int medadataSchedulingPriority_;
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136
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137 /** See priority setters/getters below */
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138 int sliceSchedulingPriority_;
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139
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140 OrthancSeriesVolumeProgressiveLoader(
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141 OrthancStone::ILoadersContext& loadersContext,
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142 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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143 bool progressiveQuality);
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144
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145 public:
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146 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, VolumeImageReadyInHighQuality, OrthancSeriesVolumeProgressiveLoader);
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147
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148 /**
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149 See doc for the progressiveQuality_ field
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150 */
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151 static boost::shared_ptr<OrthancSeriesVolumeProgressiveLoader> Create(
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152 OrthancStone::ILoadersContext& context,
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153 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume,
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154 bool progressiveQuality = false);
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155
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156 virtual ~OrthancSeriesVolumeProgressiveLoader();
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157
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158 void SetSimultaneousDownloads(unsigned int count);
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159
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160 /**
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161 Sets the relative priority of the requests for metadata.
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162 - if p < PRIORITY_HIGH (-1) , the requests will be high priority
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163 - if PRIORITY_LOW (100) > p > PRIORITY_HIGH , the requests will be medium priority
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164 - if p > PRIORITY_LOW , the requests will be low priority
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165
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166 Default is 0 (medium)
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167 */
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168 void SetMetadataSchedulingPriority(int p);
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169
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170 /** @see SetMetadataSchedulingPriority */
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171 int GetMetadataSchedulingPriority() const;
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172
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173 /** Same as SetMetadataSchedulingPriority, for slices. Default is 0. */
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174 void SetSliceSchedulingPriority(int p);
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175
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176 /** @see SetSliceSchedulingPriority */
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177 int GetSliceSchedulingPriority() const;
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178
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179 /** Sets priorities for all requests. @see SetMetadataSchedulingPriority */
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180 void SetSchedulingPriority(int p);
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181
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182 void SetDicomSlicePostProcessor(boost::shared_ptr<ISlicePostProcessor> slicePostProcessor)
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183 {
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184 // this will delete the previously stored slice processor, if any
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185 slicePostProcessor_ = slicePostProcessor;
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186 }
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187
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188 boost::shared_ptr<ISlicePostProcessor> GetDicomSlicePostProcessor()
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189 {
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190 // this could be empty!
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191 return slicePostProcessor_;
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192 }
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193
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194 bool IsVolumeImageReadyInHighQuality() const
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195 {
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196 return volumeImageReadyInHighQuality_;
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197 }
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198
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199 void LoadSeries(const std::string& seriesId);
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200
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201 /**
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202 This getter is used by clients that do not receive the geometry through
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203 subscribing, for instance if they are created or listening only AFTER the
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204 "geometry loaded" message is broadcast
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205 */
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206 bool HasGeometry() const ORTHANC_OVERRIDE
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207 {
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208 return seriesGeometry_.HasGeometry();
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209 }
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210
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211 /**
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212 Same remark as HasGeometry
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213 */
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214 const OrthancStone::VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE
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215 {
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216 return seriesGeometry_.GetImageGeometry();
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217 }
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218
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219 /**
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220 When a slice is requested, the strategy algorithm (that defines the
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221 sequence of resources to be loaded from the server) is modified to
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222 take into account this request (this is done in the ExtractedSlice ctor)
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223 */
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224 virtual IExtractedSlice*
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225 ExtractSlice(const OrthancStone::CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE;
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226 };
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227 }