class_docstr: File reader for individual ABI L1B NetCDF4 files.
docstr: Estimate minimum radiance from Rad DataArray.
docstr_tok: ["Estimate","minimum","radiance","from","Rad","DataArray","."]
code: def _get_minimum_radiance(self, data):
      """Estimate minimum radiance from Rad DataArray."""
      attrs = data.attrs
      scale_factor = attrs["scale_factor"]
      add_offset = attrs["add_offset"]
      count_zero_rad = -add_offset / scale_factor
      count_pos = np.ceil(count_zero_rad)
      min_rad = count_pos * scale_factor + add_offset
      return min_rad
  
file_path: satpy/satpy/readers/abi_l1b.py
imports: import logging
  import numpy
  import satpy
  from satpy.readers.abi_base import NC_ABI_BASE
label_desc: Use image node_id 7 for calling the NC_ABI_L1B obj's underlying member method code with example usage: obj._get_minimum_radiance(data) and returns: min_rad