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  • Can't remove coordinates attribute from DataArrays · 3 ✖

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id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
866175750 https://github.com/pydata/xarray/issues/5510#issuecomment-866175750 https://api.github.com/repos/pydata/xarray/issues/5510 MDEyOklzc3VlQ29tbWVudDg2NjE3NTc1MA== dcherian 2448579 2021-06-22T17:14:34Z 2021-06-22T17:14:34Z MEMBER 
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   Can't remove coordinates attribute from DataArrays  927336712
866116219 https://github.com/pydata/xarray/issues/5510#issuecomment-866116219 https://api.github.com/repos/pydata/xarray/issues/5510 MDEyOklzc3VlQ29tbWVudDg2NjExNjIxOQ== max-sixty 5635139 2021-06-22T16:00:52Z 2021-06-22T16:48:24Z MEMBER

Coords are on the dataset rather than the variable, so it requires something like ds = ds.reset_coords()

Thanks for the clear example!

 
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   Can't remove coordinates attribute from DataArrays  927336712
866121561 https://github.com/pydata/xarray/issues/5510#issuecomment-866121561 https://api.github.com/repos/pydata/xarray/issues/5510 MDEyOklzc3VlQ29tbWVudDg2NjEyMTU2MQ== dcherian 2448579 2021-06-22T16:07:27Z 2021-06-22T16:08:35Z MEMBER

I am not sure there is a good solution here.

As @max-sixty says, xarray does not carry around information that links a specific variable to a subset of coordinate variables (like a coordinates attribute). So in effect, all variables are associated with all coordinate variables.

We could special-case bounds variables (we do this in some places in the encoding/decoding functions) but realization will always be a problem. I think you can override it by explicitly setting the coordinates="" attribute. Perhaps .attrs["coordinates"] = None will avoid writing the attribute, if not we could make it work?

cc @DWesl 

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   Can't remove coordinates attribute from DataArrays  927336712

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