DAL Running Meeting #18 - SODA-next

Tue Apr 2 11:01:09 CEST 2024

On 02/04/2024 11:00, Gregory MANTELET wrote:
> FYI, the Etherpad for this upcoming DAL running meeting has been 
> updated with all the notes given by François.

https://yopad.eu/p/IVOA_DAL_RM18

>
> Cheers,
> Grégory
>
>
>
> On 29/03/2024 19:14, BONNAREL FRANCOIS wrote:
>>
>> Dear DALers,
>>
>> Other material that could be discussed in the next running meeting :
>>
>> *SIA-extended or DAP :*
>>
>> See https://github.com/ivoa-std/SIA for most issues below
>>
>> and https://github.com/ivoa-std/DAP for the DAP PR #3
>>
>> DAP is the extension of SIA to other dataproducts than images and cubes
>>
>> + input PARAMETERS with limited list of values : better description 
>> (github SIA issue #1 <https://github.com/ivoa-std/SIA/issues/1>)
>>
>> + No input PARAMETER exists to select the RELEASE DATE (github SIA 
>> issue #2 <https://github.com/ivoa-std/SIA/issues/2>)
>>
>> + No Wild-carding of the input PARAMETERS values exists (github SIA 
>> issue #3 <https://github.com/ivoa-std/SIA/issues/3>)
>>
>> + input PARAMETERS values are case sensitive (github SIA issue #4 
>> <https://github.com/ivoa-std/SIA/issues/4>)
>>
>> + 1 shot discovery (and then access) to cutouts was possible in SIA1 
>> but no more in SIA2 (github SIA issue #6 
>> <https://github.com/ivoa-std/SIA/issues/6>)
>>
>> + SIA2 cannot discover rebinned data like SIA1 was able to do (github 
>> SIA issue #8) + It is not possible to query SIA services by MOC 
>> (github SIA issue #9 <https://github.com/ivoa-std/SIA/issues/9>)
>>
>> + Update matching in-progressDataLink 
>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>update  in examples
>>
>> + extension of SIA-style protocol usage outside the image/cube "camp" 
>> (github SIA issue #10 <https://github.com/ivoa-std/SIA/issues/10>) 
>> ----> see DAP PR #3
>>
>> Apart from github SIA and DAP repositories the discussion can 
>> alternatively be read there : 
>> https://wiki.ivoa.net/twiki/bin/view/IVOA/SIAP-2_0-Next
>>
>> *DataLink : *
>>
>> version 1.1 has been released
>>
>> There are still points which have been discussed and not integrated
>>
>> see : https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink-1_1-Next and 
>> github repository
>>
>>   * service descriptor : URL could benefit go be templated (for
>>     example to pick up part of the path from the user or from the
>>     table and not only parameters). Proposals have been made but it
>>     was delayed to next version until some service implement it.
>>     (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#27).
>>     ProbablyDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>2.0
>>   * DataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>underlying
>>     data model : is content_type, content_qualifier, semantiics
>>     triplet enough. Should we distinguish conveyed "information" and
>>     conveyed "realtionship" (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#44). This is
>>     a discussion forDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>2.0.
>>   * Service descriptor inputParams enhancing distinction between
>>     required and optional parameters (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#51). No
>>     obvious solution has been found at the moment.
>>   * Service Descriptor to be removed fromDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>and pushed to
>>     VOTable (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#53). This is
>>     a major revision ofDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>but also of
>>     VOTable. Version 2.0. This may also be completed by introduction
>>     of the templating mechanism or even more by the use of PDL inside
>>     inputParams.
>>   * content parameter in datalink mime type. (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#82). This is
>>     apparently to be solved in VOTable beforeDataLink1
>>     <https://wiki.ivoa.net/twiki/bin/edit/IVOA/DataLink1?topicparent=IVOA.DataLink-1_1-Next;nowysiwyg=0>.1
>>     becomes a REC
>>   * UCD for ID column in {links} service output . Is not the same as
>>     the UCD of ID parameter in anySODA
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA>service referring
>>     to the ID column in the {links} table. Is that an issue ?
>>     apparently not (issueDataLink
>>     <https://wiki.ivoa.net/twiki/bin/view/IVOA/DataLink>#89)
>>
>> And a new one (which may be solved by an erratum ?)
>>
>>   * inputParams could refer to PARAM as alternative to FIELD
>>     (https://github.com/ivoa-std/DataLink/issues/115)
>>
>> *DataLink implementation note :*
>>
>> **
>>
>> **
>>
>> While finishing the DataLink recommendation process we decided to 
>> have some non-normalized proposals for recognition in an 
>> Implementation Note This is now here : 
>> https://github.com/ivoa/DataLinkRecImplNote
>>
>> And the draft can be read here : 
>> https://github.com/ivoa/DataLinkRecImplNote/releases/download/auto-pdf-preview/DataLinkImp-draft.pdf 
>> Cheers
>>
>> François
>>
>> Le 28/03/2024 à 23:40, BONNAREL FRANCOIS via dal a écrit :
>>>
>>> Dear DALers
>>>
>>> Here is a teaser on what could be discussed during this meeting.
>>>
>>> SODA : there is a PR on github which I already modified after 
>>> feedback from Pat
>>>
>>> includes proposal for :
>>>
>>> + pixel cutouts (instead of world coordinates) on all axes are 
>>> missing (SODA <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> 
>>> github issue #3)
>>>
>>> + No possibility to control output WCS by regridding/rebinning 
>>> exists in SODA <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA>. 
>>> (SODA <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> github issue #4)
>>>
>>> + It is not possible to query SODA 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> services by MOC 
>>> (SODA <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> github issue #5)
>>>
>>> + SODA spec doesn't tell us how to provide dataproduct_type 
>>> transformation (SODA 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> github issue #7)
>>>
>>> + Format transformation : FITS to png/jpeg, FITS to HiPS 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/HiPS>, HiPS 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/HiPS> to FITS etc (SODA 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> github issue #14)
>>>
>>> + Extracting metadata from the dataset (SODA 
>>> <https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA> github issue #15)
>>>
>>> See github or also : 
>>> https://wiki.ivoa.net/twiki/bin/view/IVOA/SODA-1_0-Next
>>>
>>> Cheers
>>>
>>> François
>>>
>>> Le 27/03/2024 à 14:47, Grégory Mantelet via dal a écrit :
>>>> Dear DAL members,
>>>>
>>>> Here is an announcement for a new DAL Running Meeting.
>>>>
>>>> This time, the topic is SODA-next, followed by some other thoughts 
>>>> about DAP(SIA), DataLink implementation and ProvTAP.
>>>>
>>>>     *Date    :* 18^th April 2024
>>>>     *Time    : *5:00 AM UTC /(7:00 AM CET (Paris), 3:00 PM AEDT
>>>>     (Canberra), 10:00 PM PDT (Vancouver))/
>>>>     *Duration:* 1 jour
>>>>     *Location:
>>>>     *https://cnrs.zoom.us/j/96722307540?pwd=VUxJRmdwcVF0akpnejJnZkFEelZNdz09
>>>>
>>>>
>>>>     /*Meeting ID:* 967 2230 7540/
>>>>
>>>>     /*Passcode :* FbjtF3/
>>>>
>>>>
>>>> Cheers,
>>>> Grégory Mantelet & James Dempsey
>>>>
>
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