X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=common%2FvvImage.txx;h=14da10a227f7d825cde021a143b8c2f84a74d7bb;hb=82ee6175b7043cab5b9c3fd29865b1f15ef989a1;hp=a84fa76669d7a317655d725e9e2e8371fd8f133c;hpb=647a6322e7d8f4c456bfe56414d8d9a879fb7f3a;p=clitk.git diff --git a/common/vvImage.txx b/common/vvImage.txx old mode 100755 new mode 100644 index a84fa76..14da10a --- a/common/vvImage.txx +++ b/common/vvImage.txx @@ -1,36 +1,56 @@ +/*========================================================================= + Program: vv http://www.creatis.insa-lyon.fr/rio/vv + + Authors belong to: + - University of LYON http://www.universite-lyon.fr/ + - Léon Bérard cancer center http://www.centreleonberard.fr + - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the copyright notices for more information. + + It is distributed under dual licence + + - BSD See included LICENSE.txt file + - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html +===========================================================================*/ #include //-------------------------------------------------------------------- template void vvImage::AddItkImage(TItkImageType *input) { + // Update input before conversion to enable exceptions thrown by the ITK pipeline. + // Otherwise, vtkImageImport catches the exception for us. + input->Update(); + // Convert from ITK object to VTK object - mImageDimension = TItkImageType::ImageDimension; + mImageDimension = TItkImageType::ImageDimension; typedef itk::ImageToVTKImageFilter ConverterType; typename ConverterType::Pointer converter = ConverterType::New(); mItkToVtkConverters.push_back(dynamic_cast< itk::ProcessObject *>(converter.GetPointer())); converter->SetInput(input); converter->Update(); mVtkImages.push_back( converter->GetOutput() ); - - // Account for direction in transform. The offset is already accounted for + + // Account for direction in transform. The offset is already accounted for // in the VTK image coordinates, no need to put it in the transform. vtkSmartPointer matrix = vtkSmartPointer::New(); matrix->Identity(); - for(unsigned int j=0; jGetImageDimension(); j++) - for(unsigned int i=0; iGetImageDimension(); i++) + for(unsigned int i=0; iGetImageDimension(); i++) { + for(unsigned int j=0; jGetImageDimension(); j++) { (*matrix)[i][j] = input->GetDirection()[i][j]; - mTransform->SetMatrix(matrix); + // Direction is used around the image origin in ITK + (*matrix)[i][3] -= (*matrix)[i][j] * input->GetOrigin()[j]; + } + (*matrix)[i][3] += input->GetOrigin()[i]; + } - // Create the corresponding transformed image - mVtkImageReslice.push_back(vtkSmartPointer::New()); - mVtkImageReslice.back()->SetInterpolationModeToLinear(); - mVtkImageReslice.back()->AutoCropOutputOn(); - mVtkImageReslice.back()->SetBackgroundColor(-1000,-1000,-1000,1); - mVtkImageReslice.back()->SetResliceTransform(mTransform); - mVtkImageReslice.back()->SetInput(0, converter->GetOutput()); - mVtkImageReslice.back()->UpdateInformation(); - mTransformedVtkImages.push_back( mVtkImageReslice.back()->GetOutput(0) ); + // GetDirection provides the forward transform, vtkImageReslice wants the inverse + matrix->Invert(); + + mTransform->SetMatrix(matrix); } //--------------------------------------------------------------------