A question on keywords for 3-D images

[Phil Hodge]

>  Each extension would contain a 2D image and its own set of
>  keywords.  Going to this form loses the 3-D nature of the data with
>  each 2-D image looking like an independent image rather than being
>  part of a 3-D cube.  Also, there is a concern is that many FITS
>  readers and standard software may not be able to deal with files in
>  this form.  It may not be supported well in IRAF, CFITSIO, etc. for
>  3-D operations.

Yes, you would lose the 3-D nature of the data by using either rows
or columns of 2-D table entries or multiple 2-D image extensions.

Phil