code: def orientation_to_string(ornt):
      """Return a string representation of a 3d ornt."""
      return gradients.orientation_to_string(ornt=ornt)
  
file_path: dipy/dipy/io/bvectxt.py
imports: from os.path import splitext
  import numpy
  from dipy.core import gradients
  from dipy.utils.deprecator import deprecate_with_version
label_desc: Use image node_id 6 for calling a global function with example usage: orientation_to_string(ornt) and returns: gradients