class_docstr: Padding of HRV, RSS and ROI data to full disk.
docstr: Initialize the padder.
docstr_tok: ["Initialize","the","padder","."]
code: def __init__(self, dataset_id, img_bounds, is_full_disk):
      """Initialize the padder."""
      self._img_bounds = img_bounds
      self._is_full_disk = is_full_disk
  
      if dataset_id["name"] == "HRV":
          self._final_shape = (HRV_NUM_LINES, HRV_NUM_COLUMNS)
      else:
          self._final_shape = (VISIR_NUM_LINES, VISIR_NUM_COLUMNS)
  
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 1 to create a new Padder object  with example: obj = Padder(dataset_id, img_bounds, is_full_disk)