issue_comments: 302883780

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https://github.com/pydata/xarray/pull/1412#issuecomment-302883780 https://api.github.com/repos/pydata/xarray/issues/1412 302883780 MDEyOklzc3VlQ29tbWVudDMwMjg4Mzc4MA== 4160723 2017-05-20T16:31:43Z 2017-05-20T16:31:43Z MEMBER

I also agree that a MultiIndex wrapper would be to be the way to go. I think I understand the diagrams, but what remains a bit unclear to me is how this could be implemented.

In particular, how would this wrapper work with IndexVariable?

Currently, IndexVariable warps either a pandas.Index or a pandas.MultiIndex and for the latter case IndexVariable.get_level_variable can generate new IndexVariable objects so that MultiIndex levels are accessible as "virtual coordinates".

Would IndexVariable warp a MultiIndex wrapper instead (levels + scalars), and also be able to generate new scalar Variable objects that will be accessible as virtual coordinates?

This is maybe slightly off topic, but more generally I'm also wondering how this would co-exist with potentially other kinds of multi-level indexes (see this comment).

 
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