[Ivoa UCD #311] Projected images and planetary mapping

[Mireille Louys]

bonjour Baptiste , hi all,
I am wondering whteher this should go in the UCD discussion or in the 
Obscore/EPN Tap discussion .
in Obscore the "dataproduct_ type" column in TAP will allow to specify 
an image as
/dataproductype=image/
/dataproduct_ subtype= map (or map global)/ will allow to distinguish 
various  cases of images.
This vocabulary is free and you can build your own for the Vespa 
community and coll.

What would be the benefit of a ucd in that case ? I am not sure it is 
really useful.
Eager to check serialisation examples  if available.

Cheers, Mireille.

Le 22/06/2016 à 23:14, Baptiste Cecconi via RT a écrit :
>
>
> We've he'd a discussion within the VESPA team yesterday, and we would like to
> have a way to distinguish an image (obs.image) from a image that has been
> mapped onto planetary body surface, or more generally, map-projected (with no
> specification of the projection mapping). This is a nice-to-have for separating
> between raw images and map-projected images, which are generally mentioned as
> "derived" products in the processing level, with specification of the type of
> derivation.
>
> Then we also need a term that says that the mapped image is covering the full
> surface of the body. That would be very useful to be able to identify images
> that can be used for planetary background maps (such as in the Io volcano use
> case by Sébastien Derrière).
>
> Our proposal is thus be to add 2 sub-term to obs.image:
> Q | obs.image.map | Image that has been map-projected
> Q | obs.image.map.global | Global map-projected image of an 3D object, or of
> the sky.

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