1 /*=========================================================================
2 Program: vv http://www.creatis.insa-lyon.fr/rio/vv
3 Main authors : XX XX XX
6 - University of LYON http://www.universite-lyon.fr/
7 - Léon Bérard cancer center http://www.centreleonberard.fr
8 - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the copyright notices for more information.
14 It is distributed under dual licence
15 - BSD http://www.opensource.org/licenses/bsd-license.php
16 - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
18 =========================================================================*/
24 #include "clitkDicomRTStruct2ImageFilter.h"
25 #include "clitkImageCommon.h"
28 #include <vtkVersion.h>
29 #include <vtkPolyDataToImageStencil.h>
30 #include <vtkSmartPointer.h>
31 #include <vtkImageStencil.h>
32 #include <vtkLinearExtrusionFilter.h>
33 #include <vtkMetaImageWriter.h>
36 //--------------------------------------------------------------------
37 clitk::DicomRTStruct2ImageFilter::DicomRTStruct2ImageFilter()
43 //--------------------------------------------------------------------
46 //--------------------------------------------------------------------
47 clitk::DicomRTStruct2ImageFilter::~DicomRTStruct2ImageFilter()
51 //--------------------------------------------------------------------
54 //--------------------------------------------------------------------
55 bool clitk::DicomRTStruct2ImageFilter::ImageInfoIsSet() const
57 return mSize.size() && mSpacing.size() && mOrigin.size();
59 //--------------------------------------------------------------------
62 //--------------------------------------------------------------------
63 void clitk::DicomRTStruct2ImageFilter::SetWriteOutputFlag(bool b)
67 //--------------------------------------------------------------------
70 //--------------------------------------------------------------------
71 void clitk::DicomRTStruct2ImageFilter::SetROI(clitk::DicomRT_ROI * roi)
75 //--------------------------------------------------------------------
78 //--------------------------------------------------------------------
79 void clitk::DicomRTStruct2ImageFilter::SetCropMaskEnabled(bool b)
83 //--------------------------------------------------------------------
86 //--------------------------------------------------------------------
87 void clitk::DicomRTStruct2ImageFilter::SetOutputImageFilename(std::string s)
92 //--------------------------------------------------------------------
95 //--------------------------------------------------------------------
96 void clitk::DicomRTStruct2ImageFilter::SetImage(vvImage::Pointer image)
98 if (image->GetNumberOfDimensions() != 3) {
99 std::cerr << "Error. Please provide a 3D image." << std::endl;
105 mDirection.resize(3);
106 mTransformMatrix = image->GetTransform()[0]->GetMatrix();
107 for(unsigned int i=0; i<3; i++) {
108 mSpacing[i] = image->GetSpacing()[i];
109 mOrigin[i] = image->GetOrigin()[i];
110 mSize[i] = image->GetSize()[i];
111 mDirection[i].resize(3);
112 for(unsigned int j=0; j<3; j++)
113 mDirection[i][j] = image->GetDirection()[i][j];
116 //--------------------------------------------------------------------
119 //--------------------------------------------------------------------
120 void clitk::DicomRTStruct2ImageFilter::SetImageFilename(std::string f)
122 itk::ImageIOBase::Pointer header = clitk::readImageHeader(f);
123 if (header->GetNumberOfDimensions() < 3) {
124 std::cerr << "Error. Please provide a 3D image instead of " << f << std::endl;
127 if (header->GetNumberOfDimensions() > 3) {
128 std::cerr << "Warning dimension > 3 are ignored" << std::endl;
133 mDirection.resize(3);
134 for(unsigned int i=0; i<3; i++) {
135 mSpacing[i] = header->GetSpacing(i);
136 mOrigin[i] = header->GetOrigin(i);
137 mSize[i] = header->GetDimensions(i);
138 mDirection[i].resize(3);
139 for(unsigned int j=0; j<3; j++)
140 mDirection[i][j] = header->GetDirection(i)[j];
143 //--------------------------------------------------------------------
146 //--------------------------------------------------------------------
147 void clitk::DicomRTStruct2ImageFilter::SetOutputOrigin(const double* origin)
149 std::copy(origin,origin+3,std::back_inserter(mOrigin));
151 //--------------------------------------------------------------------
154 //--------------------------------------------------------------------
155 void clitk::DicomRTStruct2ImageFilter::SetOutputSpacing(const double* spacing)
157 std::copy(spacing,spacing+3,std::back_inserter(mSpacing));
159 //--------------------------------------------------------------------
162 //--------------------------------------------------------------------
163 void clitk::DicomRTStruct2ImageFilter::SetOutputSize(const unsigned long* size)
165 std::copy(size,size+3,std::back_inserter(mSize));
167 //--------------------------------------------------------------------
170 //--------------------------------------------------------------------
171 void clitk::DicomRTStruct2ImageFilter::Update()
174 std::cerr << "Error. No ROI set, please use SetROI." << std::endl;
177 if (!ImageInfoIsSet()) {
178 std::cerr << "Error. Please provide image info (spacing/origin) with SetImageFilename" << std::endl;
183 vtkPolyData * mesh = mROI->GetMesh();
186 double *bounds=mesh->GetBounds();
188 //Change mOrigin, mSize and mSpacing with respect to the directions
189 // Spacing is influenced by input direction
190 std::vector<double> tempSpacing;
191 tempSpacing.resize(3);
192 for(int i=0; i<3; i++) {
193 tempSpacing[i] = 0.0;
194 for(int j=0; j<3; j++) {
195 tempSpacing[i] += mDirection[i][j] * mSpacing[j];
198 for(int i=0; i<3; i++)
199 mSpacing[i] = tempSpacing[i];
201 // Size is influenced by affine transform matrix and input direction
202 // Size is converted to double, transformed and converted back to size type.
203 std::vector<double> tempSize;
205 for(int i=0; i<3; i++) {
207 for(int j=0; j<3; j++) {
208 tempSize[i] += mDirection[i][j] * mSize[j];
211 for(int i=0; i<3; i++) {
212 if (tempSize[i] < 0.0) {
214 mOrigin[i] += mSpacing[i]*(tempSize[i] -1);
217 mSize[i] = lrint(tempSize[i]);
221 std::vector<double> origin;
223 origin[0] = floor((bounds[0]-mOrigin[0])/mSpacing[0]-2)*mSpacing[0]+mOrigin[0];
224 origin[1] = floor((bounds[2]-mOrigin[1])/mSpacing[1]-2)*mSpacing[1]+mOrigin[1];
225 origin[2] = floor((bounds[4]-mOrigin[2])/mSpacing[2]-2)*mSpacing[2]+mOrigin[2];
228 std::vector<double> extend;
230 extend[0] = ceil((bounds[1]-origin[0])/mSpacing[0]+4);
231 extend[1] = ceil((bounds[3]-origin[1])/mSpacing[1]+4);
232 extend[2] = ceil((bounds[5]-origin[2])/mSpacing[2]+4);
233 // If no crop, set initial image size/origin
235 for(int i=0; i<3; i++) {
236 origin[i] = mOrigin[i];
237 extend[i] = mSize[i]-1;
241 // Create new output image
242 mBinaryImage = vtkSmartPointer<vtkImageData>::New();
243 #if VTK_MAJOR_VERSION <= 5
244 mBinaryImage->SetScalarTypeToUnsignedChar();
246 mBinaryImage->SetOrigin(&origin[0]);
247 mBinaryImage->SetSpacing(&mSpacing[0]);
248 mBinaryImage->SetExtent(0, extend[0],
251 #if VTK_MAJOR_VERSION <= 5
252 mBinaryImage->AllocateScalars();
254 mBinaryImage->AllocateScalars(VTK_UNSIGNED_CHAR, 1);
257 memset(mBinaryImage->GetScalarPointer(), 0,
258 mBinaryImage->GetDimensions()[0]*mBinaryImage->GetDimensions()[1]*mBinaryImage->GetDimensions()[2]*sizeof(unsigned char));
261 vtkSmartPointer<vtkLinearExtrusionFilter> extrude=vtkSmartPointer<vtkLinearExtrusionFilter>::New();
262 #if VTK_MAJOR_VERSION <= 5
263 extrude->SetInput(mesh);
265 extrude->SetInputData(mesh);
267 ///We extrude in the -slice_spacing direction to respect the FOCAL convention (NEEDED !)
268 extrude->SetVector(0, 0, -mSpacing[2]);
271 vtkSmartPointer<vtkPolyDataToImageStencil> sts=vtkSmartPointer<vtkPolyDataToImageStencil>::New();
272 //The following line is extremely important
273 //http://www.nabble.com/Bug-in-vtkPolyDataToImageStencil--td23368312.html#a23370933
274 sts->SetTolerance(0);
275 sts->SetInformationInput(mBinaryImage);
276 #if VTK_MAJOR_VERSION <= 5
277 sts->SetInput(extrude->GetOutput());
279 sts->SetInputConnection(extrude->GetOutputPort(0));
281 //sts->SetInput(mesh);
283 vtkSmartPointer<vtkImageStencil> stencil=vtkSmartPointer<vtkImageStencil>::New();
284 #if VTK_MAJOR_VERSION <= 5
285 stencil->SetStencil(sts->GetOutput());
287 stencil->SetStencilConnection(sts->GetOutputPort(0));
289 #if VTK_MAJOR_VERSION <= 5
290 stencil->SetInput(mBinaryImage);
292 stencil->SetInputData(mBinaryImage);
294 stencil->ReverseStencilOn();
298 vtkSmartPointer<vtkMetaImageWriter> w = vtkSmartPointer<vtkMetaImageWriter>::New();
299 w->SetInput(stencil->GetOutput());
300 w->SetFileName("binary2.mhd");
304 mBinaryImage->ShallowCopy(stencil->GetOutput());
307 typedef itk::Image<unsigned char, 3> ImageType;
308 typedef itk::VTKImageToImageFilter<ImageType> ConnectorType;
309 ConnectorType::Pointer connector = ConnectorType::New();
310 connector->SetInput(GetOutput());
312 clitk::writeImage<ImageType>(connector->GetOutput(), mOutputFilename);
315 //--------------------------------------------------------------------
319 //--------------------------------------------------------------------
320 vtkImageData * clitk::DicomRTStruct2ImageFilter::GetOutput()
322 assert(mBinaryImage);
325 //--------------------------------------------------------------------