VOEvent Update

[Rob Seaman]

Right, but earlier discussions included referencing STC (and possibly
other) external schema. In that case the VOEvent schema, per se,
wouldn't need to know about STC at all. But rather, just reference a
full (or, at least, more complete) STC schema.

Rob

--


On 10/17/17 9:04 AM, Pierre Le Sidaner wrote:
> My proposition is not to modify these two main items but the fields under
> for example for time having
>      <xs:element name="ISOTime" type="xs:string" minOccurs="0"
> maxOccurs="1"/>
>       <xs:element name="TimeOffset" type="xs:float" minOccurs="0"
> maxOccurs="1"/>
>       <xs:element name="TimeScale" type="xs:string" minOccurs="0"
> maxOccurs="1"/>
>      <xs:element name="TimeOrigin" type="xs:string" minOccurs="0"
> maxOccurs="1"/>
>
> Pierre
>
> On 17/10/2017 16:51, Rob Seaman wrote:
>> Do you need more than:
>>
>> <WhereWhen>
>>      <ObsDataLocation>
>>          <ObservatoryLocation/>
>>          <ObservationLocation/>
>>      </ObsDataLocation>
>> </WhereWhen>
>>
>> This is already legal VOEvent, whatever the prototype schema says. I'm
>> in a session at DPS with a slow network, so am having trouble tracking
>> this down in coeval STC, but the intent was full STC support for
>> observations of all types, including orbital elements, planetary
>> surfaces, the Sun, etc., from all observers in space or ground (or from
>> other bodies in the solar system, for that matter).
>>
>> By all means we should clarify the text and/or extend the schema for
>> VOEvent-2 while considering what to do for VOEvent-3.
>>
>> Rob
>> -- 
>>
>>
>>
>> On 10/17/17 8:12 AM, Tim Jenness wrote:
>>>> On Oct 17, 2017, at 06:40, Pierre Le Sidaner
>>>> <pierre.lesidaner at obspm.fr> wrote:
>>>>
>>>> Dear All
>>>>
>>>> I have been to a VOEvent workshop dedicated to hight energy
>>>> astronomy on the frame of Asterics program. There was a lot of
>>>> interesting presentation on large use of event, right now and also
>>>> in the near future. Dave was there and he will make a report on it.
>>>> This mean that we should move carefully the schema of Event. On the
>>>> other hand, in planetary science we point out that the wherewhen
>>>> part could not allow description of planetary objects and even may
>>>> be a problem for satellite position and time description. Even
>>>> spherical coordinate could be a problem as all coordinate share the
>>>> same unit.
>>>>
>>>> We want to propose a possible evolution of VOEvent schema to 2.1
>>>> that will keep all actual VOEvent 2.0 valid and give more
>>>> possibility for larger description on Wherewhen
>>>> If there is  15 mn free in the VOEvent session I would like to
>>>> present that
>>>>
>>> Would we get that if we allowed STC to be embedded in WhereWhen? I
>>> know we have had arguments about this over the years but I feel that
>>> we should be allowed to be pedantically correct in WhereWhen even if
>>> we also allow the simplified form.
>>>
>>> —
>>> Tim Jenness
>>>
>