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annotate Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.h @ 1120:11b7785dd01b

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This cpp file leads the optimizer bugging off out of the Solar System
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 05 Nov 2019 16:30:45 +0100
parents 262a0244e9b2
children e713f1a99861 2d8ab34c8c91
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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) 2017-2019 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 "../Messages/IObservable.h"
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25 #include "../Messages/IObserver.h"
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26 #include "../Oracle/GetOrthancImageCommand.h"
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27 #include "../Oracle/GetOrthancWebViewerJpegCommand.h"
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28 #include "../Oracle/IOracle.h"
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29 #include "../Oracle/OrthancRestApiCommand.h"
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30 #include "../Toolbox/SlicesSorter.h"
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31 #include "../Volumes/DicomVolumeImage.h"
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32 #include "../Volumes/IVolumeSlicer.h"
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33 #include "IFetchingItemsSorter.h"
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34 #include "IFetchingStrategy.h"
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35
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36 #include <boost/shared_ptr.hpp>
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37
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38 namespace OrthancStone
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39 {
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40 /**
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41 This class is used to manage the progressive loading of a volume that
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42 is stored in a Dicom series.
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43 */
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44 class OrthancSeriesVolumeProgressiveLoader :
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45 public IObserver,
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46 public IObservable,
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47 public IVolumeSlicer,
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48 public IGeometryProvider
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49 {
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50 private:
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51 static const unsigned int LOW_QUALITY = 0;
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52 static const unsigned int MIDDLE_QUALITY = 1;
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53 static const unsigned int BEST_QUALITY = 2;
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54
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55 class ExtractedSlice;
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56
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57 /** Helper class internal to OrthancSeriesVolumeProgressiveLoader */
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58 class SeriesGeometry : public boost::noncopyable
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59 {
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60 private:
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61 void CheckSlice(size_t index,
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62 const DicomInstanceParameters& reference) const;
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63
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64 void CheckVolume() const;
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65
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66 void Clear();
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67
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68 void CheckSliceIndex(size_t index) const;
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69
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70 std::auto_ptr<VolumeImageGeometry> geometry_;
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71 std::vector<DicomInstanceParameters*> slices_;
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72 std::vector<uint64_t> slicesRevision_;
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73
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74 public:
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75 ~SeriesGeometry()
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76 {
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77 Clear();
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78 }
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79
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80 void ComputeGeometry(SlicesSorter& slices);
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81
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82 virtual bool HasGeometry() const
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83 {
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84 return geometry_.get() != NULL;
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85 }
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86
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87 virtual const VolumeImageGeometry& GetImageGeometry() const;
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88
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89 const DicomInstanceParameters& GetSliceParameters(size_t index) const;
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90
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91 uint64_t GetSliceRevision(size_t index) const;
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92
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93 void IncrementSliceRevision(size_t index);
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94 };
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95
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96 void ScheduleNextSliceDownload();
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97
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98 void LoadGeometry(const OrthancRestApiCommand::SuccessMessage& message);
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99
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100 void SetSliceContent(unsigned int sliceIndex,
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101 const Orthanc::ImageAccessor& image,
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102 unsigned int quality);
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103
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104 void LoadBestQualitySliceContent(const GetOrthancImageCommand::SuccessMessage& message);
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105
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106 void LoadJpegSliceContent(const GetOrthancWebViewerJpegCommand::SuccessMessage& message);
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107
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108 IOracle& oracle_;
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109 IObservable& oracleObservable_;
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110 bool active_;
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111 unsigned int simultaneousDownloads_;
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112 SeriesGeometry seriesGeometry_;
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113 boost::shared_ptr<DicomVolumeImage> volume_;
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114 std::auto_ptr<IFetchingItemsSorter::IFactory> sorter_;
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115 std::auto_ptr<IFetchingStrategy> strategy_;
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116 std::vector<unsigned int> slicesQuality_;
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117 bool volumeImageReadyInHighQuality_;
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118
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119
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120 public:
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121 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, VolumeImageReadyInHighQuality, OrthancSeriesVolumeProgressiveLoader);
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122
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123
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124 OrthancSeriesVolumeProgressiveLoader(const boost::shared_ptr<DicomVolumeImage>& volume,
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125 IOracle& oracle,
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126 IObservable& oracleObservable);
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127
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128 virtual ~OrthancSeriesVolumeProgressiveLoader();
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129
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130 void SetSimultaneousDownloads(unsigned int count);
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131
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132 bool IsVolumeImageReadyInHighQuality() const
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133 {
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134 return volumeImageReadyInHighQuality_;
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135 }
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136
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137 void LoadSeries(const std::string& seriesId);
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138
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139 /**
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140 This getter is used by clients that do not receive the geometry through
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141 subscribing, for instance if they are created or listening only AFTER the
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142 "geometry loaded" message is broadcast
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143 */
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144 bool HasGeometry() const ORTHANC_OVERRIDE
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145 {
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146 return seriesGeometry_.HasGeometry();
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147 }
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148
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149 /**
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150 Same remark as HasGeometry
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151 */
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152 const VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE
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153 {
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154 return seriesGeometry_.GetImageGeometry();
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155 }
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156
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157 /**
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158 When a slice is requested, the strategy algorithm (that defines the
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159 sequence of resources to be loaded from the server) is modified to
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160 take into account this request (this is done in the ExtractedSlice ctor)
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161 */
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162 virtual IExtractedSlice*
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163 ExtractSlice(const CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE;
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164 };
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165 }