def METHOD_NAME(indexer, sampling, description):
  """
  Calculates ASA by not worrying about altlocs
  """
  builder = CompositeCheckerBuilder( indexer = indexer, description = description )
  overlapped = accessibility.filter(
    range = accessibility.transform(
      range = sampling.points,
      transformation = accessibility.transformation(
        centre = description.data.centre,
        radius = description.data.radius,
        ),
      ),
    predicate = builder.checker,
    )
  return AccessibleSurfaceResult(
    count = len( overlapped ),
    radius_sq = description.data.radius_sq,
    )