Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Loaders/DicomVolumeLoader.cpp @ 1871:7053b8a0aaec

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:18:48 +0100
parents 3889ae96d2e9
children 990f396484b1
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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
1871
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "DicomVolumeLoader.h"
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25
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26 #include <Images/ImageProcessing.h>
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27
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28 namespace OrthancStone
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29 {
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30 DicomVolumeLoader::DicomVolumeLoader(boost::shared_ptr<SeriesFramesLoader>& framesLoader,
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31 bool computeRange) :
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32 framesLoader_(framesLoader),
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33 isValid_(false),
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34 started_(false),
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35 remaining_(0)
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36 {
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37 volume_.reset(new DicomVolumeImage);
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38
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39 const SeriesOrderedFrames& frames = framesLoader_->GetOrderedFrames();
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40
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41 if (frames.IsRegular3DVolume() &&
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42 frames.GetFramesCount() > 0)
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43 {
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44 // TODO - Is "0" the good choice for the reference frame?
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45 // Shouldn't we use "count - 1" depending on the direction
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46 // of the normal?
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47 const DicomInstanceParameters& parameters = frames.GetInstanceParameters(0);
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48
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49 CoordinateSystem3D plane(frames.GetInstance(0));
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50
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51 VolumeImageGeometry geometry;
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52 geometry.SetSizeInVoxels(parameters.GetImageInformation().GetWidth(),
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53 parameters.GetImageInformation().GetHeight(),
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54 static_cast<unsigned int>(frames.GetFramesCount()));
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55 geometry.SetAxialGeometry(plane);
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56
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57 double spacing;
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58 if (parameters.GetSopClassUid() == SopClassUid_RTDose)
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59 {
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60 if (!parameters.ComputeRegularSpacing(spacing))
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61 {
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62 LOG(WARNING) << "Unable to compute the spacing in a RT-DOSE instance";
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63 spacing = frames.GetSpacingBetweenSlices();
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64 }
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65 }
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66 else
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67 {
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68 spacing = frames.GetSpacingBetweenSlices();
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69 }
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70
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71 geometry.SetVoxelDimensions(parameters.GetPixelSpacingX(),
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72 parameters.GetPixelSpacingY(), spacing);
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73 volume_->Initialize(geometry, parameters.GetExpectedPixelFormat(), computeRange);
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74 volume_->GetPixelData().Clear();
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75 volume_->SetDicomParameters(parameters);
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76
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77 remaining_ = frames.GetFramesCount();
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78 isValid_ = true;
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79 }
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80 else
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81 {
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82 LOG(WARNING) << "Not a regular 3D volume";
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83 }
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84 }
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85
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86
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87 void DicomVolumeLoader::Handle(const SeriesFramesLoader::FrameLoadedMessage& message)
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88 {
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89 if (remaining_ == 0 ||
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90 !message.HasUserPayload())
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91 {
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92 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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93 }
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94
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95 if (message.GetImage().GetWidth() != volume_->GetPixelData().GetWidth() ||
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96 message.GetImage().GetHeight() != volume_->GetPixelData().GetHeight())
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97 {
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98 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize);
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99 }
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100
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101 if (message.GetImage().GetFormat() != volume_->GetPixelData().GetFormat())
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102 {
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103 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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104 }
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105
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106 if (message.GetFrameIndex() >= volume_->GetPixelData().GetDepth())
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107 {
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108 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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109 }
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110
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111 size_t frameIndex = dynamic_cast<const Orthanc::SingleValueObject<size_t>&>
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112 (message.GetUserPayload()).GetValue();
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113
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114 {
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115 ImageBuffer3D::SliceWriter writer(volume_->GetPixelData(),
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116 VolumeProjection_Axial,
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117 static_cast<unsigned int>(frameIndex));
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118
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119 Orthanc::ImageProcessing::Copy(writer.GetAccessor(), message.GetImage());
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120 }
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121
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122 volume_->IncrementRevision();
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123
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124 {
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125 VolumeUpdatedMessage updated(*this,
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126 static_cast<unsigned int>(frameIndex));
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127
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128 BroadcastMessage(updated);
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129 }
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130
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131 remaining_--;
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132
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133 if (remaining_ == 0)
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134 {
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135 VolumeReadyMessage ready(*this);
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136 BroadcastMessage(ready);
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137 }
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138 }
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139
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140
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141 DicomVolumeLoader::Factory::Factory(LoadedDicomResources& instances) :
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142 framesFactory_(instances),
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143 computeRange_(false)
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144 {
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145 }
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146
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147 DicomVolumeLoader::Factory::Factory(const SeriesMetadataLoader::SuccessMessage& metadata) :
1228
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148 framesFactory_(metadata.GetInstances()),
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149 computeRange_(false)
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150 {
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151 SetDicomDir(metadata.GetDicomDirPath(), metadata.GetDicomDir()); // Only useful for DICOMDIR sources
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152 }
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153
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154
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155 boost::shared_ptr<IObserver> DicomVolumeLoader::Factory::Create(ILoadersContext::ILock& context)
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156 {
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157 boost::shared_ptr<SeriesFramesLoader> frames =
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158 boost::dynamic_pointer_cast<SeriesFramesLoader>(framesFactory_.Create(context));
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159
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160 boost::shared_ptr<DicomVolumeLoader> volume(new DicomVolumeLoader(frames, computeRange_));
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161 volume->Register<SeriesFramesLoader::FrameLoadedMessage>(*frames, &DicomVolumeLoader::Handle);
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162
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163 return volume;
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164 }
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165
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166 void DicomVolumeLoader::Start(int priority,
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167 const DicomSource& source)
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168 {
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169 if (started_)
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170 {
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171 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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172 }
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173
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174 started_ = true;
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175
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176 if (IsValid())
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177 {
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178 for (size_t i = 0; i < GetOrderedFrames().GetFramesCount(); i++)
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179 {
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180 framesLoader_->ScheduleLoadFrame(priority, source, i, source.GetQualityCount() - 1,
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181 new Orthanc::SingleValueObject<size_t>(i));
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182 }
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183 }
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184 else
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185 {
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186 VolumeReadyMessage ready(*this);
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187 BroadcastMessage(ready);
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188 }
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189 }
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190 }