class_docstr: A base file handler for the AAPP level-1 formats.
class_docstr_tok: ["A","base","file","handler","for","the","AAPP","level-1","formats","."]
docstr: Set the file data type/layout.
code: def _set_filedata_layout(self):
      """Set the file data type/layout."""
      self._header_offset = 0
      self._scan_type = np.dtype([("siteid", "<i2")])
      self._header_type = np.dtype([("siteid", "<i2")])
  
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 AAPPL1BaseFileHandler obj's underlying member method code with example usage: obj._set_filedata_layout() without return types