issue_comments: 176863363

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https://github.com/pydata/xarray/issues/733#issuecomment-176863363 https://api.github.com/repos/pydata/xarray/issues/733 176863363 MDEyOklzc3VlQ29tbWVudDE3Njg2MzM2Mw== 1217238 2016-01-29T17:04:44Z 2016-01-29T17:04:44Z MEMBER

This is an unadvertised feature, though I agree that it may be more trouble than it's worth -- xarray implicitly creates coordinates like range(n) when coordinates corresponding to a dimension are missing from the netCDF file.

The original intent (see https://github.com/pydata/xarray/pull/245) was for more faithful roundtripping of netCDF files, which may not have all coordinate variables defined. Arguably, it would make more sense to only do this when a certain encoding parameter is found (e.g., {'trivial_index': True}), indicating that xarray created the coordinate itself.

 
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