issue_comments: 1451754167

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https://github.com/pydata/xarray/issues/7516#issuecomment-1451754167 https://api.github.com/repos/pydata/xarray/issues/7516 1451754167 IC_kwDOAMm_X85WiAK3 1492047 2023-03-02T11:59:47Z 2023-03-02T11:59:47Z CONTRIBUTOR

The .variable computation is fast but it cannot be directly used like you suggest: ``` dsx.where(sel.variable, drop=True)

TypeError: cond argument is <xarray.Variable (num_lines: 5761870, num_pixels: 71)> ... but must be a <class 'xarray.core.dataset.Dataset'> or <class 'xarray.core.dataarray.DataArray'> ```

Doing it like this seems to be working correctly (and is fast enough): dsx["x"]= sel.variable.compute() dsx.where(dsx["x"], drop=True)

_nadir variables have the same chunks and are way faster to read than the other ones (lot smaller). 

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