[Cod-bugs] Optimade question

[Andrius Merkys]

Hello,

On 2022-04-13 17:31, Robert Hanson wrote:
> On Tue, Apr 12, 2022 at 7:58 AM Robert Hanson <hansonr at stolaf.edu
> <mailto:hansonr at stolaf.edu>> wrote:
>     I have a question for you. When I issue this request:
> 
>     https://www.crystallography.net/cod/optimade/structures?filter=nelements=6&page_limit=2
>     <https://www.crystallography.net/cod/optimade/structures?filter=nelements=6&page_limit=2>
> 
>     I get a circular reference:
> 
>     image.png
> 
>     with
>     https://www.crystallography.net/cod/optimade/v1.1.0/structures/1000096
>     <https://www.crystallography.net/cod/optimade/v1.1.0/structures/1000096>
>     having the same link -- to itself!

Yes, this is intentional. "self" is supposed to be a link to the record
itself per OPTIMADE specification, I believe.

>     I was hoping for a reference to a cif file. :)
> 
>     Q: Is this the way OPTIMADE is supposed to work? Or is there a
>     problem with COD's implementation?

Support for links to files is not yet in the OPTIMADE specification. It
has a long standing feature request, though [1].

[1] https://github.com/Materials-Consortia/OPTIMADE/issues/211

Best wishes,
Andrius

-- 
Andrius Merkys
Vilnius University Institute of Biotechnology, Saulėtekio al. 7
LT-10257 Vilnius, Lithuania

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