class_docstr: Base class for reading JPSS VIIRS & ATMS SDR HDF5 Files.
code: def _mask_and_reshape_factors(factors):
      factors = factors.where(factors > -999, np.float32(np.nan))
      return factors.data.reshape((-1, 2)).rechunk((1, 2))
  
imports: import logging
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import xarray
  from satpy.readers.hdf5_utils import HDF5FileHandler
label_desc: Use image node_id 12 for calling the JPSS_SDR_FileHandler obj's underlying member method code with example usage: obj._mask_and_reshape_factors(factors) and returns: factors