The Napkin Representation

[Alasdair Allan]

Roy Williams wrote:
> I have tried to produce a more formal version of the napkin  
> representation, using the data and metadata from Solano's example  
> light curve. (see attached file napkin.xml)

Looks good.

> The parameters have an attribute "utype" which refers back the  
> precise meaning defined in the spectrum DM, for example the start  
> time for the light curve has the utype =  
> sed:Segment.Coverage.Region.Time.Start.

So long as it's optional then I'm happy.

> I have put four quantities in each row, as you had, bus slightly  
> different naming. My version has each measurement with four pieces:
>    <Time unit="day">1305.65557</Time>
>    <TimeExtent unit="s">30.00002</TimeExtent>
>    <Flux unit="mag">7.808</Flux>
>    <FluxErr unit="mag">0.012212</FluxErr>

No real objection to this, but any particular reason to change to  
this representation away from what we had?

> How does this look?

I'd be happy with this...

Al.