issue_comments: 302576832

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https://github.com/pydata/xarray/pull/1413#issuecomment-302576832 https://api.github.com/repos/pydata/xarray/issues/1413 302576832 MDEyOklzc3VlQ29tbWVudDMwMjU3NjgzMg== 1197350 2017-05-19T00:30:13Z 2017-05-19T00:30:28Z MEMBER

Given a collection of datasets, how do I know if setting prealigned=True will work?

I guess we would want to check that (a) the necessary variables and dimensions exist in all datasets and (b) the dimensions have the same length. We would want to bypass the actual reading of the indices. I agree it would be nicer to subsume this logic into align.

What is xr.align(..., join='exact') supposed to do?

What happens if things go wrong?

I can add more careful checks once we sort out the align question.

 
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