MaskImagePointer Aorta = this->GetAFDB()->template GetImage<MaskImageType>("Aorta");
std::vector<MaskSlicePointer> slices;
clitk::ExtractSlices<MaskImageType>(Aorta, 2, slices);
MaskImagePointer Aorta = this->GetAFDB()->template GetImage<MaskImageType>("Aorta");
std::vector<MaskSlicePointer> slices;
clitk::ExtractSlices<MaskImageType>(Aorta, 2, slices);