issues: 1358841264

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
1358841264 PR_kwDOAMm_X84-NgIX 6975 Add documentation on custom indexes 4160723 closed 0     9 2022-09-01T13:20:00Z 2023-08-30T09:10:34Z 2023-07-17T23:23:22Z MEMBER   0 pydata/xarray/pulls/6975

This PR documents the API of the Index base class and adds a guide for creating custom indexes (reworked from https://hackmd.io/Zxw_zCa7Rbynx_iJu6Y3LA). Hopefully it will help anyone experimenting with this feature.

@pydata/xarray your feedback would be very much appreciated! I've been into this for quite some time, so there may be things that seem obvious to me but that you can still find very confusing or non-intuitive. It would then deserve some extra or better explanation.

More specifically, I'm open to any suggestion on how to better illustrate this with clear and succinct examples.

There are other parts of the documentation that still need to be updated regarding the indexes refactor (e.g., "dimension" coordinates, xindexes property, set/drop indexes, etc.). But I suggest to do that in separate PRs and focus here on creating custom indexes.

 
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