Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyDicomLayer.cpp @ 1201:ab958fd99b07
RadiographyScene fixes
| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Fri, 29 Nov 2019 16:21:24 +0100 |
| parents | a5f2a6b04a31 |
| children | b519c1c878f1 a989c7d46b9a |
| 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(MessageBroker& broker, const RadiographyScene& scene) : RadiographyLayer(broker, scene) |
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52 { |
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53 |
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54 } |
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55 |
| 430 | 56 void RadiographyDicomLayer::SetDicomTags(const OrthancPlugins::FullOrthancDataset& dataset) |
| 57 { | |
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58 converter_.reset(new Deprecated::DicomFrameConverter); |
| 430 | 59 converter_->ReadParameters(dataset); |
| 60 ApplyConverter(); | |
| 61 | |
| 62 std::string tmp; | |
| 63 Vector pixelSpacing; | |
| 64 | |
| 65 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PIXEL_SPACING)) && | |
| 66 LinearAlgebra::ParseVector(pixelSpacing, tmp) && | |
| 67 pixelSpacing.size() == 2) | |
| 68 { | |
| 69 SetPixelSpacing(pixelSpacing[0], pixelSpacing[1]); | |
| 70 } | |
| 71 | |
| 72 OrthancPlugins::DicomDatasetReader reader(dataset); | |
| 73 | |
| 74 unsigned int width, height; | |
| 75 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
| 76 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
| 77 { | |
| 78 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 79 } | |
| 80 else | |
| 81 { | |
| 82 SetSize(width, height); | |
| 83 } | |
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84 |
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85 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION))) |
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86 { |
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87 if (tmp == "MONOCHROME1") |
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88 { |
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89 SetPreferredPhotomotricDisplayMode(RadiographyPhotometricDisplayMode_Monochrome1); |
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90 } |
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91 else if (tmp == "MONOCHROME2") |
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92 { |
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93 SetPreferredPhotomotricDisplayMode(RadiographyPhotometricDisplayMode_Monochrome2); |
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94 } |
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95 } |
| 430 | 96 } |
| 97 | |
| 98 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership | |
| 99 { | |
| 100 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
| 101 | |
| 102 if (image == NULL) | |
| 103 { | |
| 104 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 105 } | |
| 106 | |
| 107 SetSize(image->GetWidth(), image->GetHeight()); | |
| 108 | |
| 109 source_ = raii; | |
| 110 ApplyConverter(); | |
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111 |
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112 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
| 430 | 113 } |
| 114 | |
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115 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image, double newPixelSpacingX, double newPixelSpacingY) // Takes ownership |
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116 { |
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117 std::auto_ptr<Orthanc::ImageAccessor> raii(image); |
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118 |
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119 if (image == NULL) |
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120 { |
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121 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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122 } |
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123 |
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124 SetSize(image->GetWidth(), image->GetHeight()); |
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125 |
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126 source_ = raii; |
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127 ApplyConverter(); |
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128 |
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129 SetPixelSpacing(newPixelSpacingX, newPixelSpacingY, false); |
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130 |
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131 BroadcastMessage(RadiographyLayer::LayerEditedMessage(*this)); |
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132 } |
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133 |
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134 |
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135 void RadiographyDicomLayer::SetDicomFrameConverter(Deprecated::DicomFrameConverter* converter) |
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136 { |
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137 converter_.reset(converter); |
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138 } |
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139 |
| 430 | 140 void RadiographyDicomLayer::Render(Orthanc::ImageAccessor& buffer, |
| 141 const AffineTransform2D& viewTransform, | |
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142 ImageInterpolation interpolation, |
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143 float windowCenter, |
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144 float windowWidth, |
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145 bool applyWindowing) const |
| 430 | 146 { |
| 147 if (converted_.get() != NULL) | |
| 148 { | |
| 149 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 150 { | |
| 151 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 152 } | |
| 153 | |
| 154 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 155 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 156 | |
| 157 AffineTransform2D t = AffineTransform2D::Combine( | |
| 158 viewTransform, GetTransform(), | |
| 159 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 160 | |
| 161 Orthanc::ImageAccessor cropped; | |
| 162 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 163 | |
| 1201 | 164 unsigned int x1, y1, x2, y2; |
| 165 if (!OrthancStone::GetProjectiveTransformExtent(x1, y1, x2, y2, | |
| 166 t.GetHomogeneousMatrix(), | |
| 167 cropped.GetWidth(), | |
| 168 cropped.GetHeight(), | |
| 169 buffer.GetWidth(), | |
| 170 buffer.GetHeight())) | |
| 171 { | |
| 172 return; // layer is outside the buffer | |
| 173 } | |
| 174 | |
| 430 | 175 t.Apply(buffer, cropped, interpolation, false); |
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176 |
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177 if (applyWindowing) |
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178 { |
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179 // apply windowing but stay in the range [0.0, 65535.0] |
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180 float w0 = windowCenter - windowWidth / 2.0f; |
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181 float w1 = windowCenter + windowWidth / 2.0f; |
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182 |
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183 if (windowWidth >= 0.001f) // Avoid division by zero at (*) |
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184 { |
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185 float scaling = 1.0f / (w1 - w0) * 65535.0f; |
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186 for (unsigned int y = y1; y <= y2; y++) |
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187 { |
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188 float* p = reinterpret_cast<float*>(buffer.GetRow(y)) + x1; |
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189 |
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190 for (unsigned int x = x1; x <= x2; x++, p++) |
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191 { |
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192 if (*p >= w1) |
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193 { |
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194 *p = 65535.0; |
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195 } |
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196 else if (*p <= w0) |
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197 { |
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198 *p = 0; |
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199 } |
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200 else |
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201 { |
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202 // https://en.wikipedia.org/wiki/Linear_interpolation |
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203 *p = scaling * (*p - w0); // (*) |
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204 } |
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205 } |
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206 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
207 } |
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a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
208 } |
|
a5f2a6b04a31
RadiographyScene: windowing is now only applied to the Dicom layer
Alain Mazy <alain@mazy.be>
parents:
1118
diff
changeset
|
209 |
| 430 | 210 } |
| 211 } | |
| 212 | |
| 213 | |
| 214 bool RadiographyDicomLayer::GetDefaultWindowing(float& center, | |
| 215 float& width) const | |
| 216 { | |
| 217 if (converter_.get() != NULL && | |
| 218 converter_->HasDefaultWindow()) | |
| 219 { | |
| 220 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
| 221 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
| 222 return true; | |
| 223 } | |
| 224 else | |
| 225 { | |
| 226 return false; | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 | |
| 231 bool RadiographyDicomLayer::GetRange(float& minValue, | |
| 232 float& maxValue) const | |
| 233 { | |
| 234 if (converted_.get() != NULL) | |
| 235 { | |
| 236 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 237 { | |
| 238 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 239 } | |
| 240 | |
| 241 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
| 242 return true; | |
| 243 } | |
| 244 else | |
| 245 { | |
| 246 return false; | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 } |