Hi, I noticed that itkRawImageIO does not set its FileDimensionality from the template parameter VImageDimension. Any reason why not? VImageDimension could at least be the default, instead of 2. Josh. ______________________________ Josh Cates School of Computer Science University of Utah Email: cates@cs.utah.edu Phone: (801) 587-7697 URL: www.cs.utk.edu/~cates