Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyDicomLayer.cpp @ 1200:54cbffabdc45 broker
integration mainline->broker
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 29 Nov 2019 11:03:41 +0100 |
parents | d7e06542304c a5f2a6b04a31 |
children | b519c1c878f1 |
rev | line source |
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430 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "RadiographyDicomLayer.h" | |
23 | |
24 #include "RadiographyScene.h" | |
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25 #include "../Deprecated/Toolbox/DicomFrameConverter.h" |
430 | 26 |
27 #include <Core/OrthancException.h> | |
28 #include <Core/Images/Image.h> | |
29 #include <Core/Images/ImageProcessing.h> | |
30 #include <Plugins/Samples/Common/DicomDatasetReader.h> | |
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31 #include "../Toolbox/ImageGeometry.h" |
430 | 32 |
33 static OrthancPlugins::DicomTag ConvertTag(const Orthanc::DicomTag& tag) | |
34 { | |
35 return OrthancPlugins::DicomTag(tag.GetGroup(), tag.GetElement()); | |
36 } | |
37 | |
38 namespace OrthancStone | |
39 { | |
40 | |
41 void RadiographyDicomLayer::ApplyConverter() | |
42 { | |
43 if (source_.get() != NULL && | |
44 converter_.get() != NULL) | |
45 { | |
46 converted_.reset(converter_->ConvertFrame(*source_)); | |
47 } | |
48 } | |
49 | |
50 | |
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51 RadiographyDicomLayer::RadiographyDicomLayer(const RadiographyScene& scene) : |
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52 RadiographyLayer(scene) |
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53 { |
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54 |
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55 } |
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56 |
430 | 57 void RadiographyDicomLayer::SetDicomTags(const OrthancPlugins::FullOrthancDataset& dataset) |
58 { | |
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59 converter_.reset(new Deprecated::DicomFrameConverter); |
430 | 60 converter_->ReadParameters(dataset); |
61 ApplyConverter(); | |
62 | |
63 std::string tmp; | |
64 Vector pixelSpacing; | |
65 | |
66 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PIXEL_SPACING)) && | |
67 LinearAlgebra::ParseVector(pixelSpacing, tmp) && | |
68 pixelSpacing.size() == 2) | |
69 { | |
70 SetPixelSpacing(pixelSpacing[0], pixelSpacing[1]); | |
71 } | |
72 | |
73 OrthancPlugins::DicomDatasetReader reader(dataset); | |
74 | |
75 unsigned int width, height; | |
76 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
77 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
78 { | |
79 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
80 } | |
81 else | |
82 { | |
83 SetSize(width, height); | |
84 } | |
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85 |
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86 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION))) |
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87 { |
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88 if (tmp == "MONOCHROME1") |
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89 { |
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90 SetPreferredPhotomotricDisplayMode(RadiographyPhotometricDisplayMode_Monochrome1); |
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91 } |
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92 else if (tmp == "MONOCHROME2") |
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93 { |
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94 SetPreferredPhotomotricDisplayMode(RadiographyPhotometricDisplayMode_Monochrome2); |
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95 } |
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96 } |
430 | 97 } |
98 | |
99 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership | |
100 { | |
101 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
102 | |
103 if (image == NULL) | |
104 { | |
105 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
106 } | |
107 | |
108 SetSize(image->GetWidth(), image->GetHeight()); | |
109 | |
110 source_ = raii; | |
111 ApplyConverter(); | |
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112 |
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113 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
430 | 114 } |
115 | |
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116 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image, double newPixelSpacingX, double newPixelSpacingY) // Takes ownership |
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117 { |
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118 std::auto_ptr<Orthanc::ImageAccessor> raii(image); |
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119 |
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120 if (image == NULL) |
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121 { |
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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123 } |
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124 |
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125 SetSize(image->GetWidth(), image->GetHeight()); |
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126 |
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127 source_ = raii; |
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128 ApplyConverter(); |
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129 |
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130 SetPixelSpacing(newPixelSpacingX, newPixelSpacingY, false); |
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131 |
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132 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
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133 } |
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134 |
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135 |
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136 void RadiographyDicomLayer::SetDicomFrameConverter(Deprecated::DicomFrameConverter* converter) |
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137 { |
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138 converter_.reset(converter); |
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139 } |
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140 |
430 | 141 void RadiographyDicomLayer::Render(Orthanc::ImageAccessor& buffer, |
142 const AffineTransform2D& viewTransform, | |
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143 ImageInterpolation interpolation, |
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144 float windowCenter, |
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145 float windowWidth, |
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146 bool applyWindowing) const |
430 | 147 { |
148 if (converted_.get() != NULL) | |
149 { | |
150 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
151 { | |
152 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
153 } | |
154 | |
155 unsigned int cropX, cropY, cropWidth, cropHeight; | |
156 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
157 | |
158 AffineTransform2D t = AffineTransform2D::Combine( | |
159 viewTransform, GetTransform(), | |
160 AffineTransform2D::CreateOffset(cropX, cropY)); | |
161 | |
162 Orthanc::ImageAccessor cropped; | |
163 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
164 | |
165 t.Apply(buffer, cropped, interpolation, false); | |
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166 unsigned int x1, y1, x2, y2; |
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167 OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2, |
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168 t.GetHomogeneousMatrix(), |
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169 cropped.GetWidth(), |
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170 cropped.GetHeight(), |
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171 buffer.GetWidth(), |
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172 buffer.GetHeight()); |
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173 |
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174 if (applyWindowing) |
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175 { |
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176 // apply windowing but stay in the range [0.0, 65535.0] |
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177 float w0 = windowCenter - windowWidth / 2.0f; |
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178 float w1 = windowCenter + windowWidth / 2.0f; |
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179 |
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180 if (windowWidth >= 0.001f) // Avoid division by zero at (*) |
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181 { |
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182 float scaling = 1.0f / (w1 - w0) * 65535.0f; |
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183 for (unsigned int y = y1; y <= y2; y++) |
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184 { |
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185 float* p = reinterpret_cast<float*>(buffer.GetRow(y)) + x1; |
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186 |
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187 for (unsigned int x = x1; x <= x2; x++, p++) |
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188 { |
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189 if (*p >= w1) |
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190 { |
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191 *p = 65535.0; |
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192 } |
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193 else if (*p <= w0) |
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194 { |
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195 *p = 0; |
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196 } |
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197 else |
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198 { |
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199 // https://en.wikipedia.org/wiki/Linear_interpolation |
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200 *p = scaling * (*p - w0); // (*) |
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201 } |
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202 } |
a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
203 } |
a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
204 } |
a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
205 } |
a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
206 |
430 | 207 } |
208 } | |
209 | |
210 | |
211 bool RadiographyDicomLayer::GetDefaultWindowing(float& center, | |
212 float& width) const | |
213 { | |
214 if (converter_.get() != NULL && | |
215 converter_->HasDefaultWindow()) | |
216 { | |
217 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
218 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
219 return true; | |
220 } | |
221 else | |
222 { | |
223 return false; | |
224 } | |
225 } | |
226 | |
227 | |
228 bool RadiographyDicomLayer::GetRange(float& minValue, | |
229 float& maxValue) const | |
230 { | |
231 if (converted_.get() != NULL) | |
232 { | |
233 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
234 { | |
235 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
236 } | |
237 | |
238 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
239 return true; | |
240 } | |
241 else | |
242 { | |
243 return false; | |
244 } | |
245 } | |
246 | |
247 } |