class_docstr: File handler for the OLCI angles.
code: def _interpolate_angles(self, azi, zen):
      aattrs = azi.attrs
      zattrs = zen.attrs
      x, y, z = angle2xyz(azi, zen)
      x, y, z = self._do_interpolate((x, y, z))
      azi, zen = xyz2angle(x, y, z)
      azi.attrs = aattrs
      zen.attrs = zattrs
      return azi, zen
  
imports: import logging
  from functools import reduce
  import dask.array
  import numpy
  import xarray
  from satpy._compat import cached_property
  from satpy.readers import open_file_or_filename
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.utils import angle2xyz, get_legacy_chunk_size, xyz2angle
label_desc: Use image node_id 4 for calling the NCOLCIAngles obj's underlying member method code with example usage: obj._interpolate_angles(azi, zen) and returns: azi,  zen