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annotate Framework/Loaders/DicomVolumeLoader.cpp @ 1476:4db187d29731

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renamed SeriesMetadataLoader::SeriesLoadedMessage to SuccessMessage
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 Jun 2020 18:21:26 +0200
parents 30deba7bc8e2
children
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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 #include "DicomVolumeLoader.h"
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23
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24 #include <Images/ImageProcessing.h>
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25
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26 namespace OrthancStone
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27 {
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28 DicomVolumeLoader::DicomVolumeLoader(boost::shared_ptr<SeriesFramesLoader>& framesLoader,
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29 bool computeRange) :
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30 framesLoader_(framesLoader),
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31 isValid_(false),
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32 started_(false),
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33 remaining_(0)
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34 {
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35 volume_.reset(new OrthancStone::DicomVolumeImage);
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36
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37 const SeriesOrderedFrames& frames = framesLoader_->GetOrderedFrames();
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38
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39 if (frames.IsRegular3DVolume() &&
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40 frames.GetFramesCount() > 0)
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41 {
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42 // TODO - Is "0" the good choice for the reference frame?
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43 // Shouldn't we use "count - 1" depending on the direction
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44 // of the normal?
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45 const OrthancStone::DicomInstanceParameters& parameters = frames.GetInstanceParameters(0);
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46
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47 OrthancStone::CoordinateSystem3D plane(frames.GetInstance(0));
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48
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49 OrthancStone::VolumeImageGeometry geometry;
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50 geometry.SetSizeInVoxels(parameters.GetImageInformation().GetWidth(),
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51 parameters.GetImageInformation().GetHeight(),
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52 static_cast<unsigned int>(frames.GetFramesCount()));
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53 geometry.SetAxialGeometry(plane);
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54
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55 double spacing;
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56 if (parameters.GetSopClassUid() == SopClassUid_RTDose)
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57 {
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58 if (!parameters.ComputeRegularSpacing(spacing))
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59 {
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60 LOG(WARNING) << "Unable to compute the spacing in a RT-DOSE instance";
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61 spacing = frames.GetSpacingBetweenSlices();
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62 }
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63 }
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64 else
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65 {
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66 spacing = frames.GetSpacingBetweenSlices();
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67 }
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68
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69 geometry.SetVoxelDimensions(parameters.GetPixelSpacingX(),
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70 parameters.GetPixelSpacingY(), spacing);
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71 volume_->Initialize(geometry, parameters.GetExpectedPixelFormat(), computeRange);
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72 volume_->GetPixelData().Clear();
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73 volume_->SetDicomParameters(parameters);
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74
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75 remaining_ = frames.GetFramesCount();
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76 isValid_ = true;
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77 }
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78 else
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79 {
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80 LOG(WARNING) << "Not a regular 3D volume";
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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 void DicomVolumeLoader::Handle(const OrthancStone::SeriesFramesLoader::FrameLoadedMessage& message)
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86 {
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87 if (remaining_ == 0 ||
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88 !message.HasUserPayload())
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89 {
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90 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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91 }
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92
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93 if (message.GetImage().GetWidth() != volume_->GetPixelData().GetWidth() ||
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94 message.GetImage().GetHeight() != volume_->GetPixelData().GetHeight())
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95 {
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96 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize);
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97 }
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98
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99 if (message.GetImage().GetFormat() != volume_->GetPixelData().GetFormat())
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100 {
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101 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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102 }
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103
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104 if (message.GetFrameIndex() >= volume_->GetPixelData().GetDepth())
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105 {
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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107 }
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108
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109 size_t frameIndex = dynamic_cast<const Orthanc::SingleValueObject<size_t>&>
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110 (message.GetUserPayload()).GetValue();
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111
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112 {
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113 ImageBuffer3D::SliceWriter writer(volume_->GetPixelData(),
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114 VolumeProjection_Axial,
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115 static_cast<unsigned int>(frameIndex));
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116
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117 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), message.GetImage());
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118 }
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119
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120 volume_->IncrementRevision();
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121
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122 {
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123 VolumeUpdatedMessage updated(*this,
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124 static_cast<unsigned int>(frameIndex));
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125
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126 BroadcastMessage(updated);
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127 }
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128
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129 remaining_--;
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130
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131 if (remaining_ == 0)
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132 {
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133 VolumeReadyMessage ready(*this);
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134 BroadcastMessage(ready);
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135 }
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136 }
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137
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138
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139 DicomVolumeLoader::Factory::Factory(LoadedDicomResources& instances) :
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140 framesFactory_(instances),
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141 computeRange_(false)
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142 {
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143 }
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144
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145 DicomVolumeLoader::Factory::Factory(const SeriesMetadataLoader::SuccessMessage& metadata) :
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146 framesFactory_(metadata.GetInstances()),
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147 computeRange_(false)
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148 {
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149 SetDicomDir(metadata.GetDicomDirPath(), metadata.GetDicomDir()); // Only useful for DICOMDIR sources
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150 }
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151
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152
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153 boost::shared_ptr<IObserver> DicomVolumeLoader::Factory::Create(ILoadersContext::ILock& context)
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154 {
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155 boost::shared_ptr<SeriesFramesLoader> frames =
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156 boost::dynamic_pointer_cast<SeriesFramesLoader>(framesFactory_.Create(context));
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157
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158 boost::shared_ptr<DicomVolumeLoader> volume(new DicomVolumeLoader(frames, computeRange_));
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159 volume->Register<SeriesFramesLoader::FrameLoadedMessage>(*frames, &DicomVolumeLoader::Handle);
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160
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161 return volume;
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162 }
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163
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164 void DicomVolumeLoader::Start(int priority,
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165 const DicomSource& source)
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166 {
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167 if (started_)
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168 {
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169 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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170 }
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171
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172 started_ = true;
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173
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174 if (IsValid())
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175 {
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176 for (size_t i = 0; i < GetOrderedFrames().GetFramesCount(); i++)
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177 {
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178 framesLoader_->ScheduleLoadFrame(priority, source, i, source.GetQualityCount() - 1,
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179 new Orthanc::SingleValueObject<size_t>(i));
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180 }
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181 }
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182 else
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183 {
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184 VolumeReadyMessage ready(*this);
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185 BroadcastMessage(ready);
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186 }
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187 }
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188 }