class_docstr: Writer to produce MITIFF image files.
code: def _add_pixel_sizes(self, datasets, first_dataset):
      _image_description = ""
      if isinstance(datasets, list):
          _image_description += " Ax: %.6f" % (
              first_dataset.attrs["area"].pixel_size_x / 1000.0
          )
          _image_description += " Ay: %.6f" % (
              first_dataset.attrs["area"].pixel_size_y / 1000.0
          )
      else:
          _image_description += " Ax: %.6f" % (
              datasets.attrs["area"].pixel_size_x / 1000.0
          )
          _image_description += " Ay: %.6f" % (
              datasets.attrs["area"].pixel_size_y / 1000.0
          )
  
      return _image_description
  
imports: import logging
  import os
  import dask
  import numpy
  from PIL import Image, ImagePalette
  from satpy.dataset import DataID, DataQuery
  from satpy.writers import ImageWriter, get_enhanced_image
label_desc: Use image node_id 14 for calling the MITIFFWriter obj's underlying member method code with example usage: obj._add_pixel_sizes(datasets, first_dataset) and returns: _image_description