VOTable session @ Interop.Moscow
roy at cacr.caltech.edu
Fri Sep 22 06:53:02 PDT 2006
Another serious problem I have with ID elements in the table cells is
the effect on the binary formats, it means that VOTable can no longer
be expressed as a combination of XML metadata and binary data. How
can you this tangle of complexity to the TABLEDATA section and still
retain connection to FITS and to simple binary?
I know these are not much used, but the VOTable document says that
these three TABLEDATA forms are isomorphic.
-- You cannot keep that statement.
-- You cannot change FITS binary table definition (??).
-- You can't have a self-contradictory definition.
So when you decide to add the ID attribute, you MUST say how this
affects the binary formats.
But the ELEPHANT in the room here is WHO REALLY WANTS THIS, that has
still not been answered. And I don't mean inventing use cases, I mean
VOTable is good. Please leave it alone!
California Institute of Technology
626 395 3670
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