Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Loaders/DicomVolumeLoader.cpp @ 1814:53f3411bf94b
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 25 May 2021 15:52:38 +0200 |
parents | 9ac2a65d4172 |
children | 3889ae96d2e9 |
rev | line source |
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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) 2017-2021 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 #include "DicomVolumeLoader.h" |
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24 |
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25 #include <Images/ImageProcessing.h> |
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26 |
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27 namespace OrthancStone |
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28 { |
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29 DicomVolumeLoader::DicomVolumeLoader(boost::shared_ptr<SeriesFramesLoader>& framesLoader, |
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30 bool computeRange) : |
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31 framesLoader_(framesLoader), |
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32 isValid_(false), |
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33 started_(false), |
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34 remaining_(0) |
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35 { |
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36 volume_.reset(new DicomVolumeImage); |
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37 |
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38 const SeriesOrderedFrames& frames = framesLoader_->GetOrderedFrames(); |
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39 |
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40 if (frames.IsRegular3DVolume() && |
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41 frames.GetFramesCount() > 0) |
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42 { |
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43 // TODO - Is "0" the good choice for the reference frame? |
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44 // Shouldn't we use "count - 1" depending on the direction |
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45 // of the normal? |
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46 const DicomInstanceParameters& parameters = frames.GetInstanceParameters(0); |
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47 |
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48 CoordinateSystem3D plane(frames.GetInstance(0)); |
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49 |
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50 VolumeImageGeometry geometry; |
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51 geometry.SetSizeInVoxels(parameters.GetImageInformation().GetWidth(), |
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52 parameters.GetImageInformation().GetHeight(), |
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53 static_cast<unsigned int>(frames.GetFramesCount())); |
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54 geometry.SetAxialGeometry(plane); |
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55 |
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56 double spacing; |
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57 if (parameters.GetSopClassUid() == SopClassUid_RTDose) |
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58 { |
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59 if (!parameters.ComputeRegularSpacing(spacing)) |
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60 { |
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61 LOG(WARNING) << "Unable to compute the spacing in a RT-DOSE instance"; |
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62 spacing = frames.GetSpacingBetweenSlices(); |
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63 } |
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64 } |
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65 else |
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66 { |
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67 spacing = frames.GetSpacingBetweenSlices(); |
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68 } |
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69 |
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70 geometry.SetVoxelDimensions(parameters.GetPixelSpacingX(), |
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71 parameters.GetPixelSpacingY(), spacing); |
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72 volume_->Initialize(geometry, parameters.GetExpectedPixelFormat(), computeRange); |
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73 volume_->GetPixelData().Clear(); |
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74 volume_->SetDicomParameters(parameters); |
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75 |
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76 remaining_ = frames.GetFramesCount(); |
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77 isValid_ = true; |
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78 } |
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79 else |
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80 { |
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81 LOG(WARNING) << "Not a regular 3D volume"; |
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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 void DicomVolumeLoader::Handle(const SeriesFramesLoader::FrameLoadedMessage& message) |
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87 { |
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88 if (remaining_ == 0 || |
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89 !message.HasUserPayload()) |
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90 { |
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91 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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92 } |
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93 |
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94 if (message.GetImage().GetWidth() != volume_->GetPixelData().GetWidth() || |
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95 message.GetImage().GetHeight() != volume_->GetPixelData().GetHeight()) |
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96 { |
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97 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
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98 } |
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99 |
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100 if (message.GetImage().GetFormat() != volume_->GetPixelData().GetFormat()) |
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101 { |
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102 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); |
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103 } |
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104 |
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105 if (message.GetFrameIndex() >= volume_->GetPixelData().GetDepth()) |
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106 { |
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107 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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108 } |
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109 |
1323 | 110 size_t frameIndex = dynamic_cast<const Orthanc::SingleValueObject<size_t>&> |
111 (message.GetUserPayload()).GetValue(); | |
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112 |
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113 { |
1323 | 114 ImageBuffer3D::SliceWriter writer(volume_->GetPixelData(), |
115 VolumeProjection_Axial, | |
116 static_cast<unsigned int>(frameIndex)); | |
117 | |
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118 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), message.GetImage()); |
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119 } |
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120 |
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121 volume_->IncrementRevision(); |
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122 |
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123 { |
1323 | 124 VolumeUpdatedMessage updated(*this, |
125 static_cast<unsigned int>(frameIndex)); | |
126 | |
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127 BroadcastMessage(updated); |
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128 } |
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129 |
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130 remaining_--; |
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131 |
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132 if (remaining_ == 0) |
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133 { |
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134 VolumeReadyMessage ready(*this); |
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135 BroadcastMessage(ready); |
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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 DicomVolumeLoader::Factory::Factory(LoadedDicomResources& instances) : |
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141 framesFactory_(instances), |
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142 computeRange_(false) |
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143 { |
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144 } |
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145 |
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146 DicomVolumeLoader::Factory::Factory(const SeriesMetadataLoader::SuccessMessage& metadata) : |
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147 framesFactory_(metadata.GetInstances()), |
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148 computeRange_(false) |
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149 { |
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150 SetDicomDir(metadata.GetDicomDirPath(), metadata.GetDicomDir()); // Only useful for DICOMDIR sources |
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151 } |
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152 |
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153 |
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154 boost::shared_ptr<IObserver> DicomVolumeLoader::Factory::Create(ILoadersContext::ILock& context) |
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155 { |
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156 boost::shared_ptr<SeriesFramesLoader> frames = |
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157 boost::dynamic_pointer_cast<SeriesFramesLoader>(framesFactory_.Create(context)); |
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158 |
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159 boost::shared_ptr<DicomVolumeLoader> volume(new DicomVolumeLoader(frames, computeRange_)); |
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160 volume->Register<SeriesFramesLoader::FrameLoadedMessage>(*frames, &DicomVolumeLoader::Handle); |
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161 |
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162 return volume; |
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163 } |
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164 |
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165 void DicomVolumeLoader::Start(int priority, |
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166 const DicomSource& source) |
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167 { |
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168 if (started_) |
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169 { |
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170 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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171 } |
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172 |
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173 started_ = true; |
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174 |
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175 if (IsValid()) |
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176 { |
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177 for (size_t i = 0; i < GetOrderedFrames().GetFramesCount(); i++) |
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178 { |
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179 framesLoader_->ScheduleLoadFrame(priority, source, i, source.GetQualityCount() - 1, |
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180 new Orthanc::SingleValueObject<size_t>(i)); |
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181 } |
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182 } |
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183 else |
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184 { |
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185 VolumeReadyMessage ready(*this); |
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186 BroadcastMessage(ready); |
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187 } |
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188 } |
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189 } |