class_docstr: Padding of HRV, RSS and ROI data to full disk.
docstr: Extract the data that shall be padded.
  
  In case of FES (HRV) data, 'dataset' contains data from two separate windows that
  are padded separately. Hence, we extract a subset of data.
docstr_tok: ["Extract","the","data","that","shall","be","padded",".","In","case","of","FES","(","HRV",")","data",",","'dataset","'","contains","data","from","two","separate","windows","that","are","padded","separately",".","Hence",",","we","extract","a","subset","of","data","."]
code: def _extract_data_to_pad(self, dataset, south_bound, north_bound):
      """Extract the data that shall be padded.
  
      In case of FES (HRV) data, 'dataset' contains data from two separate windows that
      are padded separately. Hence, we extract a subset of data.
      """
      if self._is_full_disk:
          data = dataset[south_bound - 1 : north_bound, :].data
      else:
          data = dataset.data
  
      return data
  
imports: import logging
  import warnings
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import xarray
  from pyresample import geometry
  from satpy._compat import cached_property
  from satpy.readers._geos_area import get_area_definition, get_geos_area_naming
  from satpy.readers.eum_base import get_service_mode, recarray2dict, time_cds_short
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.seviri_base import CHANNEL_NAMES, HRV_NUM_COLUMNS, HRV_NUM_LINES, REPEAT_CYCLE_DURATION, SATNUM, VISIR_NUM_COLUMNS, VISIR_NUM_LINES, NoValidOrbitParams, OrbitPolynomialFinder, SEVIRICalibrationHandler, add_scanline_acq_time, calculate_area_extent, create_coef_dict, dec10216, get_cds_time, get_satpos, pad_data_horizontally, pad_data_vertically, round_nom_time
  from satpy.readers.seviri_l1b_native_hdr import DEFAULT_15_SECONDARY_PRODUCT_HEADER, GSDTRecords, get_native_header, native_trailer
  from satpy.readers.utils import reduce_mda
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 3 for calling the Padder obj's underlying member method code with example usage: obj._extract_data_to_pad(dataset, south_bound, north_bound) and returns: data