+ }
+};
+
+template<class PixelType>
+struct vvImageFromITK_Impl<4u, PixelType>
+{
+ static vvImage::Pointer Do (typename itk::Image<PixelType,4u>::Pointer input, bool time_sequence=false)
+ {
+ vvImage::Pointer vv_image=vvImage::New();
+ typedef itk::Image< PixelType, 4 > InputImageType;
+
+ typedef itk::Image< PixelType, 3 > ItkImageType;
+ typedef itk::ExtractImageFilter<InputImageType, ItkImageType> FilterType;
+
+ //extract the 3D slices and put them in a std::vector<vtkImageData*>
+ input->UpdateOutputInformation();
+ typename InputImageType::RegionType inputRegion = input->GetLargestPossibleRegion();
+ typename InputImageType::SizeType inputSize = inputRegion.GetSize();
+ typename InputImageType::IndexType start = inputRegion.GetIndex();
+ typename InputImageType::SizeType extractedRegionSize = inputSize;
+ typename InputImageType::RegionType extractedRegion;
+ extractedRegionSize[3] = 0;
+ extractedRegion.SetSize(extractedRegionSize);
+
+ for (unsigned int i = 0; i < inputSize[3]; i++) {
+ start[3] = i;
+ extractedRegion.SetIndex(start);
+
+ typename FilterType::Pointer filter = FilterType::New();
+#if ITK_VERSION_MAJOR == 4
+ filter->SetDirectionCollapseToSubmatrix();
+#endif
+ filter->SetExtractionRegion(extractedRegion);
+ filter->SetInput(input);
+ filter->ReleaseDataFlagOn();
+ vv_image->AddItkImage<ItkImageType>(filter->GetOutput());
+ }
+ vv_image->SetTimeSpacing(input->GetSpacing()[3]);
+ vv_image->SetTimeOrigin(input->GetOrigin()[3]);
+ return vv_image;
+ }
+};
+
+template<unsigned int Dim, class PixelType> vvImage::Pointer vvImageFromITK(typename itk::Image<PixelType,Dim>::Pointer input, bool time_sequence=false)
+{
+ assert(Dim < 5 && Dim > 0); // We don't handle anything higher than 4-dimensional (for the moment :-p)
+ return vvImageFromITK_Impl<Dim, PixelType>::Do(input, time_sequence);