code: def _stereographic(cf_params):
      """
      http://cfconventions.org/cf-conventions/cf-conventions.html#_stereographic
      """
      return StereographicConversion(
          latitude_natural_origin=cf_params.get(
              "latitude_of_projection_origin", 0.0
          ),
          longitude_natural_origin=cf_params.get(
              "longitude_of_projection_origin", 0.0
          ),
          false_easting=cf_params.get("false_easting", 0.0),
          false_northing=cf_params.get("false_northing", 0.0),
          scale_factor_natural_origin=cf_params.get(
              "scale_factor_at_projection_origin", 1.0
          ),
      )
  
imports: import warnings
  from pyproj._crs import Datum, Ellipsoid, PrimeMeridian
  from pyproj.crs.coordinate_operation import AlbersEqualAreaConversion, AzimuthalEquidistantConversion, GeostationarySatelliteConversion, HotineObliqueMercatorBConversion, LambertAzimuthalEqualAreaConversion, LambertConformalConic1SPConversion, LambertConformalConic2SPConversion, LambertCylindricalEqualAreaConversion, LambertCylindricalEqualAreaScaleConversion, MercatorAConversion, MercatorBConversion, OrthographicConversion, PolarStereographicAConversion, PolarStereographicBConversion, PoleRotationNetCDFCFConversion, SinusoidalConversion, StereographicConversion, TransverseMercatorConversion, VerticalPerspectiveConversion
  from pyproj.crs.datum import CustomDatum, CustomEllipsoid, CustomPrimeMeridian
  from pyproj.exceptions import CRSError
label_desc: Use image node_id 15 for calling a global function with example usage: _stereographic(cf_params) and returns: StereographicConversion