PlasmaCalcs.tools.xarray_tools.xarray_masks.xarray_stored_mask

PlasmaCalcs.tools.xarray_tools.xarray_masks.xarray_stored_mask(ds)
returns original mask, based on info stored in ds.
original mask must be stored in data_var ‘_mask’.
if ds[‘_mask’] dims look like ‘_mask_{d}’, rename them to {d}.