Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyDicomLayer.cpp @ 1279:7ec8fea061b9 broker
integration mainline->broker
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 04 Feb 2020 15:20:08 +0100 |
| parents | b519c1c878f1 a989c7d46b9a |
| children | 68579a31eeb4 |
| rev | line source |
|---|---|
| 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, bool emitLayerEditedEvent) // 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(), false); |
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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 if (emitLayerEditedEvent) |
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133 { |
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134 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
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135 } |
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136 } |
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137 |
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138 |
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139 void RadiographyDicomLayer::SetDicomFrameConverter(Deprecated::DicomFrameConverter* converter) |
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140 { |
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141 converter_.reset(converter); |
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142 } |
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143 |
| 430 | 144 void RadiographyDicomLayer::Render(Orthanc::ImageAccessor& buffer, |
| 145 const AffineTransform2D& viewTransform, | |
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146 ImageInterpolation interpolation, |
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147 float windowCenter, |
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148 float windowWidth, |
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149 bool applyWindowing) const |
| 430 | 150 { |
| 151 if (converted_.get() != NULL) | |
| 152 { | |
| 153 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 154 { | |
| 155 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 156 } | |
| 157 | |
| 158 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 159 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 160 | |
| 161 AffineTransform2D t = AffineTransform2D::Combine( | |
| 162 viewTransform, GetTransform(), | |
| 163 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 164 | |
| 165 Orthanc::ImageAccessor cropped; | |
| 166 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 167 | |
| 1201 | 168 unsigned int x1, y1, x2, y2; |
| 169 if (!OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2, | |
| 170 t.GetHomogeneousMatrix(), | |
| 171 cropped.GetWidth(), | |
| 172 cropped.GetHeight(), | |
| 173 buffer.GetWidth(), | |
| 174 buffer.GetHeight())) | |
| 175 { | |
| 176 return; // layer is outside the buffer | |
| 177 } | |
| 178 | |
| 430 | 179 t.Apply(buffer, cropped, interpolation, false); |
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180 |
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181 if (applyWindowing) |
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182 { |
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183 // apply windowing but stay in the range [0.0, 65535.0] |
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184 float w0 = windowCenter - windowWidth / 2.0f; |
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185 float w1 = windowCenter + windowWidth / 2.0f; |
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186 |
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187 if (windowWidth >= 0.001f) // Avoid division by zero at (*) |
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188 { |
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189 float scaling = 1.0f / (w1 - w0) * 65535.0f; |
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190 for (unsigned int y = y1; y <= y2; y++) |
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191 { |
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192 float* p = reinterpret_cast<float*>(buffer.GetRow(y)) + x1; |
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193 |
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194 for (unsigned int x = x1; x <= x2; x++, p++) |
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195 { |
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196 if (*p >= w1) |
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197 { |
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198 *p = 65535.0; |
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199 } |
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200 else if (*p <= w0) |
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201 { |
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202 *p = 0; |
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203 } |
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204 else |
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205 { |
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206 // https://en.wikipedia.org/wiki/Linear_interpolation |
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Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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207 *p = scaling * (*p - w0); // (*) |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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208 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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209 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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210 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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211 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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212 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
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213 |
| 430 | 214 } |
| 215 } | |
| 216 | |
| 217 | |
| 218 bool RadiographyDicomLayer::GetDefaultWindowing(float& center, | |
| 219 float& width) const | |
| 220 { | |
| 221 if (converter_.get() != NULL && | |
| 222 converter_->HasDefaultWindow()) | |
| 223 { | |
| 224 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
| 225 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
| 226 return true; | |
| 227 } | |
| 228 else | |
| 229 { | |
| 230 return false; | |
| 231 } | |
| 232 } | |
| 233 | |
| 234 | |
| 235 bool RadiographyDicomLayer::GetRange(float& minValue, | |
| 236 float& maxValue) const | |
| 237 { | |
| 238 if (converted_.get() != NULL) | |
| 239 { | |
| 240 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 241 { | |
| 242 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 243 } | |
| 244 | |
| 245 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
| 246 return true; | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 return false; | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 } |