issue_comments: 1265792923

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https://github.com/pydata/xarray/issues/7111#issuecomment-1265792923 https://api.github.com/repos/pydata/xarray/issues/7111 1265792923 IC_kwDOAMm_X85Lcneb 1828519 2022-10-03T17:27:55Z 2022-10-03T17:27:55Z CONTRIBUTOR

@TomNicholas Do you mean the "name" of the sub-DataArray? Or the numpy/dask array of the sub-DataArray?

This is what I was trying to describe in https://github.com/pydata/xarray/issues/7111#issuecomment-1264386173. In Satpy we have our own Dataset-like/DataTree-like object where the user explicitly says "I want to load X from input files". As a convenience we put any ancillary variables (ex. data quality flags) in the DataArray .attrs for easier access. In Satpy there is no other direct connection between one DataArray and another. They are overall independent objects on a processing level so there may not be access to this higher-level Dataset-like container object in order to get ancillary variables by name.

@mraspaud was one of the original people who proposed our current design so maybe he can provide more context.

 
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