The relationship of Q and STC? A proposal. (Was: Re: [QUANTITY] Data Model for Quantity v0.5

[Arnold Rots]

Brian Thomas wrote:
> 
> 	Hi Alberto,
> 
> On Monday 10 May 2004 12:56 pm, Alberto Micol wrote:
> > c.- What's the relationship of Q and STC?
> > How are quantities going to use  STC ?
> 
> 	Glad you asked.
> 
> 	Here is my proposal in the URL below.
> 
> http://nvo.gsfc.nasa.gov/QuantityDataModel/stc_test.tar.gz
> 
> 	The tarball includes schema and examples. In essense, I propose
> 	that the CoordSystem object realize the standardQuantity, and 
> 	contain components which are themselves (realizing) quantities.

Do you have an explanation in words?

> 
> 	Largely, the "coordinate" portion of the STC is subsumed by the
> 	Quantity, and is trimmed out. Also, the "resource" portion of the
> 	STC has been dropped as that looks VOTable specific to me (happy
> 	to be corrected). Otherwise, the STC is rather straighforwardly implemented
> 	and serialized as a Q.
> 
> 	Regards,
> 
> 	=b.t.
> 
> -- 
> 
>   * Dr. Brian Thomas 
> 
>   * Dept of Astronomy/University of Maryland-College Park 
>   * Code 630.1/Goddard Space Flight Center-NASA
> 
>   *   fax: (301) 286-1775
>   * phone: (301) 286-6128 [GSFC]
>            (301) 405-2312 [UMD] 
> 
> 
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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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