SSA 1.1

Marco Molinaro molinaro at oats.inaf.it
Thu Jan 8 15:51:08 CET 2015


Hi Pierre, all,
I think the errata would be nice, also considering Michele Sanguillon
question on the dal list:

http://mail.ivoa.net/pipermail/dal/2015-January/007020.html

Maybe yours and Michele's discoveries on the SSA-1.1 can be joined in one
correction step.

Cheers,
    Marco

2014-11-18 15:35 GMT+01:00 Pierre Le Sidaner <pierre.lesidaner at obspm.fr>:

> Thanks Doug
>
> That was also my idea of testing errata, that's why I have send the first
> email also to TCG
>
> Regards
> Pierre
>
>
> On 11/18/2014 03:21 PM, Douglas Tody wrote:
>
>> The theoretical spectra example was always pretty rough - it would be
>> great if it were updated.  Perhaps (for the TCG) this would qualify as
>> an errata?  - Doug
>>
>>
>> On Tue, 18 Nov 2014, Carlos Rodrigo wrote:
>>
>>  Hi
>>>
>>> Given that the example for theoretical spectra in the document is based
>>> in one of our services, I
>>> think that I should say something here... :)
>>>
>>> Doug's answer has clarified most of the things that I intended to write
>>>
>>> In fact, there are several metadata that are mandatory and are not in
>>> the example:
>>>
>>> Char.SpatialAxis.Coverage.Location.Value
>>> Char.SpatialAxis.Coverage.Bounds.Extent
>>> Char.TimeAxis.Coverage.Location.Value
>>> Char.SpectralAxis.Coverage.Location.Value
>>> Char.SpectralAxis.Coverage.Bounds.Extent
>>>
>>> The first three ones does not (usually) make sense for theoretical
>>> spectra so I think that we can
>>> apply what Doug says.
>>>
>>> The last two ones make sense for theoretical spectra and they are not in
>>> the example, so I think
>>> that it would be good to add them. In fact, at first sight, I guess that
>>> the example was writen so
>>> much time ago and it does not reflect some changes in the document, so
>>> it would be nice to rewrite
>>> it a little. In fact, there are more things that should be changed in
>>> the example. For instance,
>>> url's are outdated and they don't work (the domain laeff.inta.es does
>>> not exist anymore)
>>>
>>> So, if it is ok, I could write an updated version of the example
>>>
>>> Carlos
>>>
>>>
>>> On 11/18/2014 02:33 PM, Douglas Tody wrote:
>>>
>>>> Hi Pierre -
>>>>
>>>> Section 4.1 of the spec addresses the issue of theory data and notes
>>>> that some metadata may not have meaning for certain types of data
>>>> collections such as theory data.  However the section talks about query
>>>> constraints (input parameter semantics) and I agree is not explicit
>>>> about what to do with the query response.  The implication though, and
>>>> what was intended, is that if metadata such as spatial position is not
>>>> meaningful for the data collection, these values should be omitted in
>>>> the query response.  Hence your option #2 below applies; metadata is not
>>>> mandatory (i.e. may be set to null) if not defined for a specific data
>>>> collection such as as theory data.
>>>>
>>>>     - Doug
>>>>
>>>>
>>>> On Tue, 18 Nov 2014, Pierre Le Sidaner wrote:
>>>>
>>>>  Dear IVOA members
>>>>>
>>>>> I am facing a little problem with my SSA validator
>>>>> following the documentation metadata such as Char.SpatialAxis.Coverage.Location.Value
>>>>> are
>>>>> mandatory in the query response
>>>>> but example in the text for response of Theory-SSA omit some of them.
>>>>>
>>>>> My question is :
>>>>> Am I badly reading the documentation ?
>>>>> should we modify the mandatory fields for non "observational" SSA
>>>>> Should we modify the example of Theorical SSA
>>>>>
>>>>> regards
>>>>> Pierre
>>>>>
>>>>> --
>>>>> -------------------------------------------------------------------------
>>>>>
>>>>>                           Pierre Le Sidaner
>>>>>                        Observatoire de Paris
>>>>>
>>>>> Division Informatique de l'Observatoire
>>>>> Observatoire Virtuel 01 40 51 20 89
>>>>> 61, avenue de l'Observatoire 75014 Paris
>>>>>
>>>>> mailto:pierre.lesidaner at obspm.fr
>>>>> http://vo.obspm.fr
>>>>>
>>>>> --------------------------------------------------------------------------
>>>>>
>>>>>
>>>>>
>>>
>
> --
> -------------------------------------------------------------------------
>                            Pierre Le Sidaner
>                         Observatoire de Paris
>
> Division Informatique de l'Observatoire
> Observatoire Virtuel 01 40 51 20 89
> 61, avenue de l'Observatoire 75014 Paris
>
> mailto:pierre.lesidaner at obspm.fr
> http://vo.obspm.fr
>
> --------------------------------------------------------------------------
>
>
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