class_docstr: SEVIRI L1B handler for HDF4 files.
class_docstr_tok: ["SEVIRI","L1B","handler","for","HDF4","files","."]
docstr: Get the projection.
docstr_tok: ["Get","the","projection","."]
code: def projection(self):
      """Get the projection."""
      attr = self["/attr/Geographic_Projection"]
      if isinstance(attr, np.ndarray):
          attr = str(attr.astype(str))
      attr = attr.lower()
      if attr != "geos":
          raise NotImplementedError(
              "Only the GEOS projection is supported.\
                                          This is:",
              attr,
          )
      return attr
  
imports: from datetime import datetime
  import numpy
  from satpy.readers._geos_area import get_area_definition, get_area_extent
  from satpy.readers.hdf4_utils import HDF4FileHandler
label_desc: Use image node_id 5 for calling the SEVIRI_ICARE obj's underlying member method code with example usage: obj.projection() and returns: attr