class_docstr: A file handler class for VIIRS compact format.
class_docstr_tok: ["A","file","handler","class","for","VIIRS","compact","format","."]
code: def _get_geographical_chunks(self):
      shape = self.geography["Longitude"].shape
      horizontal_chunks = (self.nb_tiepoint_zones + 1).compute()
      chunks = (shape[0], tuple(horizontal_chunks))
      return chunks
  
imports: import logging
  from contextlib import suppress
  from datetime import datetime, timedelta
  import dask.array
  import h5py
  import numpy
  import xarray
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.utils import np2str
  from satpy.utils import angle2xyz, get_legacy_chunk_size, lonlat2xyz, xyz2angle, xyz2lonlat
label_desc: Use image node_id 12 for calling the VIIRSCompactFileHandler obj's underlying member method code with example usage: obj._get_geographical_chunks() and returns: chunks