class_docstr: Reader for AVHRR L1B files created from the AAPP software.
class_docstr_tok: ["Reader","for","AVHRR","L1B","files","created","from","the","AAPP","software","."]
docstr: Set the file data type/layout.
code: def _set_filedata_layout(self):
      """Set the file data type/layout."""
      self._header_offset = 22016
      self._scan_type = _SCANTYPE
      self._header_type = _HEADERTYPE
  
imports: import functools
  import logging
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import xarray
  from dask import delayed
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.utils import get_chunk_size_limit
label_desc: Use image node_id 2 for calling the AVHRRAAPPL1BFile obj's underlying member method code with example usage: obj._set_filedata_layout() without return types