class_docstr: Super-class for all orienter classes.
docstr: The rotation matrix corresponding to this orienter
  instance.
docstr_tok: ["The","rotation","matrix","corresponding","to","this","orienter","instance","."]
code: def rotation_matrix(self):
      """
      The rotation matrix corresponding to this orienter
      instance.
      """
      return self._parent_orient
  
imports: from sympy.core.basic import Basic
  from sympy.core.sympify import sympify
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.matrices.dense import eye, rot_axis1, rot_axis2, rot_axis3
  from sympy.matrices.immutable import ImmutableDenseMatrix
  from sympy.core.cache import cacheit
  from sympy.core.symbol import Str
  import sympy.vector
label_desc: Use image node_id 1 for calling the Orienter obj's underlying member method code with example usage: obj.rotation_matrix() and returns: self