Handling data cubes in VO

[Arnold Rots]

Absolutely.  And I'd like to add time to it, too.

  - Arnold

Peter Teuben wrote:
> On Mon, 26 Dec 2005, Arnold Rots wrote:
> 
> > Access to 3-D cubes requires a single generalized interface.
> > Otherwise you are going to (a) confuse the users and (b) fail to cover
> > some cases.
> >
> > The access model is simply: everything - full cube, cut-out cube
> > (including those with only one pixel along one or more axes),
> > all possible transpositions, 2-D slices along any plane in three
> > dimensions, 1-D slices along any curve in 3 dimensions.
> 
> don't you also need to consider higher order cubes? In radio astronomy
> 4D cubes, with polarization data, aren't that uncommon. Normally the
> IQUV (or whichever) data are stored in different cubes, but imagine
> if they are on the 'pixel' level. I could imagine theory data popping
> up like that one day.
> 
>   - peter
> 
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Arnold H. Rots                                Chandra X-ray Science Center
Smithsonian Astrophysical Observatory                tel:  +1 617 496 7701
60 Garden Street, MS 67                              fax:  +1 617 495 7356
Cambridge, MA 02138                             arots at head.cfa.harvard.edu
USA                                     http://hea-www.harvard.edu/~arots/
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