annotate Framework/Toolbox/DicomInstanceParameters.cpp @ 911:64e5f3ff6360 am-dev

Merge
author Alain Mazy <alain@mazy.be>
date Thu, 18 Jul 2019 10:50:59 +0200
parents 55411e7da2f7
children 32eaf4929b08
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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 #include "DicomInstanceParameters.h"
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23
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24 #include "../Scene2D/ColorTextureSceneLayer.h"
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25 #include "../Scene2D/FloatTextureSceneLayer.h"
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26 #include "../Toolbox/GeometryToolbox.h"
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27
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28 #include <Core/Images/Image.h>
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29 #include <Core/Images/ImageProcessing.h>
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30 #include <Core/Logging.h>
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31 #include <Core/OrthancException.h>
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32 #include <Core/Toolbox.h>
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33
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34
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35 namespace OrthancStone
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36 {
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37 void DicomInstanceParameters::Data::ComputeDoseOffsets(const Orthanc::DicomMap& dicom)
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38 {
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39 // http://dicom.nema.org/medical/Dicom/2016a/output/chtml/part03/sect_C.8.8.3.2.html
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40
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41 {
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42 std::string increment;
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43
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44 if (dicom.CopyToString(increment, Orthanc::DICOM_TAG_FRAME_INCREMENT_POINTER, false))
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45 {
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46 Orthanc::Toolbox::ToUpperCase(increment);
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47 if (increment != "3004,000C") // This is the "Grid Frame Offset Vector" tag
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48 {
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49 LOG(ERROR) << "RT-DOSE: Bad value for the \"FrameIncrementPointer\" tag";
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50 return;
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51 }
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52 }
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53 }
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54
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55 if (!LinearAlgebra::ParseVector(frameOffsets_, dicom, Orthanc::DICOM_TAG_GRID_FRAME_OFFSET_VECTOR) ||
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56 frameOffsets_.size() < imageInformation_.GetNumberOfFrames())
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57 {
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58 LOG(ERROR) << "RT-DOSE: No information about the 3D location of some slice(s)";
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59 frameOffsets_.clear();
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60 }
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61 else
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62 {
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63 if (frameOffsets_.size() >= 2)
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64 {
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65 thickness_ = std::abs(frameOffsets_[1] - frameOffsets_[0]);
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66 }
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67 }
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68 }
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69
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70
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71 DicomInstanceParameters::Data::Data(const Orthanc::DicomMap& dicom) :
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72 imageInformation_(dicom)
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73 {
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74 if (imageInformation_.GetNumberOfFrames() <= 0)
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75 {
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76 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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77 }
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78
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79 if (!dicom.CopyToString(studyInstanceUid_, Orthanc::DICOM_TAG_STUDY_INSTANCE_UID, false) ||
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80 !dicom.CopyToString(seriesInstanceUid_, Orthanc::DICOM_TAG_SERIES_INSTANCE_UID, false) ||
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81 !dicom.CopyToString(sopInstanceUid_, Orthanc::DICOM_TAG_SOP_INSTANCE_UID, false))
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82 {
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83 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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84 }
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85
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86 std::string s;
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87 if (!dicom.CopyToString(s, Orthanc::DICOM_TAG_SOP_CLASS_UID, false))
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88 {
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89 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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90 }
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91 else
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92 {
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93 sopClassUid_ = StringToSopClassUid(s);
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94 }
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95
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96 if (!dicom.ParseDouble(thickness_, Orthanc::DICOM_TAG_SLICE_THICKNESS))
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97 {
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98 thickness_ = 100.0 * std::numeric_limits<double>::epsilon();
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99 }
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100
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101 GeometryToolbox::GetPixelSpacing(pixelSpacingX_, pixelSpacingY_, dicom);
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102
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103 std::string position, orientation;
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104 if (dicom.CopyToString(position, Orthanc::DICOM_TAG_IMAGE_POSITION_PATIENT, false) &&
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105 dicom.CopyToString(orientation, Orthanc::DICOM_TAG_IMAGE_ORIENTATION_PATIENT, false))
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106 {
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107 geometry_ = CoordinateSystem3D(position, orientation);
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108 }
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109
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110 if (sopClassUid_ == SopClassUid_RTDose)
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111 {
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112 ComputeDoseOffsets(dicom);
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113 }
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114
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115 isColor_ = (imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome1 &&
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116 imageInformation_.GetPhotometricInterpretation() != Orthanc::PhotometricInterpretation_Monochrome2);
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117
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118 double doseGridScaling;
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119
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120 if (dicom.ParseDouble(rescaleIntercept_, Orthanc::DICOM_TAG_RESCALE_INTERCEPT) &&
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121 dicom.ParseDouble(rescaleSlope_, Orthanc::DICOM_TAG_RESCALE_SLOPE))
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122 {
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123 hasRescale_ = true;
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124 }
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125 else if (dicom.ParseDouble(doseGridScaling, Orthanc::DICOM_TAG_DOSE_GRID_SCALING))
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126 {
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127 hasRescale_ = true;
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128 rescaleIntercept_ = 0;
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129 rescaleSlope_ = doseGridScaling;
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130 }
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131 else
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132 {
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133 hasRescale_ = false;
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134 }
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135
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136 Vector c, w;
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137 if (LinearAlgebra::ParseVector(c, dicom, Orthanc::DICOM_TAG_WINDOW_CENTER) &&
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138 LinearAlgebra::ParseVector(w, dicom, Orthanc::DICOM_TAG_WINDOW_WIDTH) &&
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139 c.size() > 0 &&
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140 w.size() > 0)
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141 {
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142 hasDefaultWindowing_ = true;
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143 defaultWindowingCenter_ = static_cast<float>(c[0]);
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144 defaultWindowingWidth_ = static_cast<float>(w[0]);
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145 }
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146 else
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147 {
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148 hasDefaultWindowing_ = false;
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
149 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 if (sopClassUid_ == SopClassUid_RTDose)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 switch (imageInformation_.GetBitsStored())
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
154 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155 case 16:
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157 break;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 case 32:
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale32;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161 break;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
163 default:
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
167 else if (isColor_)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
168 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169 expectedPixelFormat_ = Orthanc::PixelFormat_RGB24;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 else if (imageInformation_.IsSigned())
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 expectedPixelFormat_ = Orthanc::PixelFormat_SignedGrayscale16;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177 expectedPixelFormat_ = Orthanc::PixelFormat_Grayscale16;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
182 CoordinateSystem3D DicomInstanceParameters::Data::GetFrameGeometry(unsigned int frame) const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 if (frame == 0)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 return geometry_;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 else if (frame >= imageInformation_.GetNumberOfFrames())
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 else if (sopClassUid_ == SopClassUid_RTDose)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 if (frame >= frameOffsets_.size())
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 return CoordinateSystem3D(
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 geometry_.GetOrigin() + frameOffsets_[frame] * geometry_.GetNormal(),
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201 geometry_.GetAxisX(),
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 geometry_.GetAxisY());
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 bool DicomInstanceParameters::Data::IsPlaneWithinSlice(unsigned int frame,
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 const CoordinateSystem3D& plane) const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
214 if (frame >= imageInformation_.GetNumberOfFrames())
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
215 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 CoordinateSystem3D tmp = geometry_;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 if (frame != 0)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 tmp = GetFrameGeometry(frame);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 double distance;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227
757
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 746
diff changeset
228 return (CoordinateSystem3D::ComputeDistance(distance, tmp, plane) &&
746
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 distance <= thickness_ / 2.0);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 void DicomInstanceParameters::Data::ApplyRescale(Orthanc::ImageAccessor& image,
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 bool useDouble) const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 if (image.GetFormat() != Orthanc::PixelFormat_Float32)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 if (hasRescale_)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 const unsigned int width = image.GetWidth();
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 const unsigned int height = image.GetHeight();
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 for (unsigned int y = 0; y < height; y++)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248 float* p = reinterpret_cast<float*>(image.GetRow(y));
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250 if (useDouble)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 // Slower, accurate implementation using double
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253 for (unsigned int x = 0; x < width; x++, p++)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
254 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
255 double value = static_cast<double>(*p);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
256 *p = static_cast<float>(value * rescaleSlope_ + rescaleIntercept_);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261 // Fast, approximate implementation using float
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 for (unsigned int x = 0; x < width; x++, p++)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 *p = (*p) * static_cast<float>(rescaleSlope_) + static_cast<float>(rescaleIntercept_);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271 double DicomInstanceParameters::GetRescaleIntercept() const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 if (data_.hasRescale_)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
275 return data_.rescaleIntercept_;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
276 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
277 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
278 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
279 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
280 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
281 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
282
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
283
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
284 double DicomInstanceParameters::GetRescaleSlope() const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
285 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
286 if (data_.hasRescale_)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
287 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
288 return data_.rescaleSlope_;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
289 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
290 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
291 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
292 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
293 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
294 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
295
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
296
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
297 float DicomInstanceParameters::GetDefaultWindowingCenter() const
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
298 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
299 if (data_.hasDefaultWindowing_)
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
300 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
301 return data_.defaultWindowingCenter_;
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
302 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
303 else
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
304 {
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
305 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
306 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
307 }
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
308
d716bfb3e07c reorganization
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
309
d716bfb3e07c reorganization
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310 float DicomInstanceParameters::GetDefaultWindowingWidth() const
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311 {
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312 if (data_.hasDefaultWindowing_)
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313 {
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314 return data_.defaultWindowingWidth_;
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315 }
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316 else
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317 {
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318 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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319 }
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320 }
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321
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322
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323 Orthanc::ImageAccessor* DicomInstanceParameters::ConvertToFloat(const Orthanc::ImageAccessor& pixelData) const
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324 {
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325 std::auto_ptr<Orthanc::Image> converted(new Orthanc::Image(Orthanc::PixelFormat_Float32,
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326 pixelData.GetWidth(),
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327 pixelData.GetHeight(),
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328 false));
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329 Orthanc::ImageProcessing::Convert(*converted, pixelData);
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330
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331 // Correct rescale slope/intercept if need be
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332 data_.ApplyRescale(*converted, (pixelData.GetFormat() == Orthanc::PixelFormat_Grayscale32));
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333
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334 return converted.release();
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335 }
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336
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337
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338
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339 TextureBaseSceneLayer* DicomInstanceParameters::CreateTexture
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340 (const Orthanc::ImageAccessor& pixelData) const
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341 {
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342 assert(sizeof(float) == 4);
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343
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344 Orthanc::PixelFormat sourceFormat = pixelData.GetFormat();
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345
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346 if (sourceFormat != GetExpectedPixelFormat())
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347 {
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348 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat);
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349 }
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350
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351 if (sourceFormat == Orthanc::PixelFormat_RGB24)
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352 {
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353 // This is the case of a color image. No conversion has to be done.
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354 return new ColorTextureSceneLayer(pixelData);
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355 }
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356 else
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357 {
768
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358 // This is the case of a grayscale frame. Convert it to Float32.
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359 std::auto_ptr<FloatTextureSceneLayer> texture;
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360
768
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361 if (pixelData.GetFormat() == Orthanc::PixelFormat_Float32)
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362 {
768
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363 texture.reset(new FloatTextureSceneLayer(pixelData));
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364 }
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parents: 762
diff changeset
365 else
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parents: 762
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366 {
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367 std::auto_ptr<Orthanc::ImageAccessor> converted(ConvertToFloat(pixelData));
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368 texture.reset(new FloatTextureSceneLayer(*converted));
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369 }
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parents:
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370
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371 if (data_.hasDefaultWindowing_)
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372 {
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373 texture->SetCustomWindowing(data_.defaultWindowingCenter_,
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374 data_.defaultWindowingWidth_);
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375 }
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376
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377 return texture.release();
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378 }
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379 }
768
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diff changeset
380
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diff changeset
381
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diff changeset
382 LookupTableTextureSceneLayer* DicomInstanceParameters::CreateLookupTableTexture
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diff changeset
383 (const Orthanc::ImageAccessor& pixelData) const
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diff changeset
384 {
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diff changeset
385 std::auto_ptr<FloatTextureSceneLayer> texture;
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parents: 762
diff changeset
386
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parents: 762
diff changeset
387 if (pixelData.GetFormat() == Orthanc::PixelFormat_Float32)
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diff changeset
388 {
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diff changeset
389 return new LookupTableTextureSceneLayer(pixelData);
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390 }
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parents: 762
diff changeset
391 else
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parents: 762
diff changeset
392 {
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diff changeset
393 std::auto_ptr<Orthanc::ImageAccessor> converted(ConvertToFloat(pixelData));
55411e7da2f7 LookupTableTextureSceneLayer
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diff changeset
394 return new LookupTableTextureSceneLayer(*converted);
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parents: 762
diff changeset
395 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 762
diff changeset
396 }
746
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397 }