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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 Osimis, 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 "Slice.h"
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23
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24 #include "../../Resources/Orthanc/Core/OrthancException.h"
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25
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26 namespace OrthancStone
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27 {
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28 bool Slice::ParseOrthancFrame(const OrthancPlugins::IDicomDataset& dataset,
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29 const std::string& instanceId,
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30 unsigned int frame)
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31 {
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32 OrthancPlugins::DicomDatasetReader reader(dataset);
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33
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34 unsigned int frameCount;
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35 if (!reader.GetUnsignedIntegerValue(frameCount, OrthancPlugins::DICOM_TAG_NUMBER_OF_FRAMES))
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36 {
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37 frameCount = 1; // Assume instance with one frame
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38 }
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39
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40 if (frame >= frameCount)
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41 {
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42 return false;
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43 }
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44
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45 if (!reader.GetDoubleValue(thickness_, OrthancPlugins::DICOM_TAG_SLICE_THICKNESS))
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46 {
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47 thickness_ = 100.0 * std::numeric_limits<double>::epsilon();
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48 }
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49
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50 GeometryToolbox::GetPixelSpacing(pixelSpacingX_, pixelSpacingY_, dataset);
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51
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52 std::string position, orientation;
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53 if (dataset.GetStringValue(position, OrthancPlugins::DICOM_TAG_IMAGE_POSITION_PATIENT) &&
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54 dataset.GetStringValue(orientation, OrthancPlugins::DICOM_TAG_IMAGE_ORIENTATION_PATIENT))
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55 {
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56 geometry_ = SliceGeometry(position, orientation);
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57 }
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58
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59 if (reader.GetUnsignedIntegerValue(width_, OrthancPlugins::DICOM_TAG_COLUMNS) &&
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60 reader.GetUnsignedIntegerValue(height_, OrthancPlugins::DICOM_TAG_ROWS))
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61 {
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62 orthancInstanceId_ = instanceId;
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63 frame_ = frame;
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64 converter_.ReadParameters(dataset);
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65
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66 type_ = Type_OrthancInstance;
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67 return true;
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68 }
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69 else
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70 {
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71 return false;
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72 }
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73 }
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74
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75
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76 const std::string Slice::GetOrthancInstanceId() const
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77 {
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78 if (type_ != Type_OrthancInstance)
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79 {
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80 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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81 }
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82
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83 return orthancInstanceId_;
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84 }
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85
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86
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87 unsigned int Slice::GetFrame() const
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88 {
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89 if (type_ == Type_Invalid)
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90 {
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91 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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92 }
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93
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94 return frame_;
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95 }
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96
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97
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98 const SliceGeometry& Slice::GetGeometry() const
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99 {
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100 if (type_ == Type_Invalid)
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101 {
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102 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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103 }
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104
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105 return geometry_;
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106 }
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107
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108
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109 double Slice::GetThickness() const
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110 {
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111 if (type_ == Type_Invalid)
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112 {
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113 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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114 }
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115
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116 return thickness_;
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117 }
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118
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119
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120 double Slice::GetPixelSpacingX() const
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121 {
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122 if (type_ == Type_Invalid)
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123 {
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124 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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125 }
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126
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127 return pixelSpacingX_;
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128 }
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129
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130
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131 double Slice::GetPixelSpacingY() const
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132 {
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133 if (type_ == Type_Invalid)
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134 {
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135 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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136 }
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137
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138 return pixelSpacingY_;
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139 }
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140
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141
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142 unsigned int Slice::GetWidth() const
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143 {
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144 if (type_ == Type_Invalid)
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145 {
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146 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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147 }
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148
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149 return width_;
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150 }
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151
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152
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153 unsigned int Slice::GetHeight() const
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154 {
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155 if (type_ == Type_Invalid)
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156 {
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157 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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158 }
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159
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160 return height_;
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161 }
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162
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163
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164 const DicomFrameConverter& Slice::GetConverter() const
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165 {
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166 if (type_ == Type_Invalid)
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167 {
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168 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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169 }
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170
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171 return converter_;
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172 }
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173 }
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