issue_comments: 1233123855

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https://github.com/pydata/xarray/issues/6752#issuecomment-1233123855 https://api.github.com/repos/pydata/xarray/issues/6752 1233123855 IC_kwDOAMm_X85Jf_oP 4160723 2022-08-31T15:55:28Z 2022-08-31T15:55:28Z MEMBER

The change is because starting from version 2022.6.0, multi-index level coordinates are no longer "virtual" but now correspond to real coordinates. The .indexes and .xindexes properties are mappings relating coordinates to their index.

There has been some discussions prior to the explicit indexes refactor about whether those properties should return a mapping of a unique vs. non-unique index objects. We choose the latter as it simplifies a lot of things internally (and perhaps externally too).

@lukasbindreiter although it is unlikely that we'll change this in the future, it would be interesting to get your feedback! How does this choice impact your workflow?

Note that both .indexes and .xindexes return an Indexes object, which has a convenient .get_unique() method that returns a list of unique index objects. It also has other convenient methods, although those are not well documented yet.

 
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