class_docstr: Eps level 1b reader for AVHRR data.
docstr: Get lonlats.
code: def get_lonlats(self):
      """Get lonlats."""
      if self.area is None:
          lons, lats = self.get_full_lonlats()
          self.area = SwathDefinition(lons, lats)
          self.area.name = "_".join(
              [
                  self.platform_name,
                  str(self.start_time),
                  str(self.end_time),
              ]
          )
      return self.area
  
imports: import functools
  import logging
  import dask.array
  import numpy
  import xarray
  from dask.delayed import delayed
  from pyresample.geometry import SwathDefinition
  from satpy._compat import cached_property
  from satpy._config import get_config_path
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.xmlformat import XMLFormat
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 16 for calling the EPSAVHRRFile obj's underlying member method code with example usage: obj.get_lonlats() and returns: self