STC in VOResource records

[Ed Shaya]

Arnold,
If you are worried that you need to roll your own coordinate systems
(not something I would enjoy doing, but that's just me)
then you use 
xlink:href="http://astro.univ.edu/~me/mycoosystems#MY-UTC-FK5-BOTTOMO"
and you can keep strict control of your own, much better than anyone 
else's, coordinate systems.

If you want both coverage and system to stay within one file, then you have:
xlink:href="#MY-UTC-FK5-BOTTOMO"
coord_system_href="#MY-UTC-FK5-BOTTOMO"
And then it behooves you to put in the whole spiel right there.

Ed


Arnold Rots wrote:
> True, but it doesn't do you any good for coordinate systems that have
> a body and don't refer to the standard systesm in the library.
> 
>   - Arnold
> 
> Ed Shaya wrote:
>>      <stc:STCResourceProfile
>>           xmlns="http://www.ivoa.net/xml/STC/stc-v1.30.xsd">
>>
>>         <AstroCoordSystem xlink:type="simple"
>>                           xlink:href="ivo://STClib/CoordSys#UTC-FK5-TOPO"
>>                           />
>>
>>         <AstroCoordArea 
>> coord_system_href="ivo://STClib/CoordSys#UTC-FK5-TOPO" >
>>            <AllSky />
>>         </AstroCoordArea >
>>
>>      </stc:STCResourceProfile >
>>
>> coord_system_href can be defined as an xlink:href in schema.  You are 
>> only allowed one of these per element and that is necessary and sufficient.
>>
>> Ed
> 
> [ Attachment, skipping... ]
> --------------------------------------------------------------------------
> 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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