docstr: Return the value of the transformation, not a reference.
  
  Returns
  -------
  affine : ndarray
      Copy of the transform, not a reference.
docstr_tok: ["Return","the","value","of","the","transformation",",","not","a","reference",".","Returns","--","--","--","-","affine",":","ndarray","Copy","of","the","transform",",","not","a","reference","."]
code: def get_affine(self):
      """Return the value of the transformation, not a reference.
  
      Returns
      -------
      affine : ndarray
          Copy of the transform, not a reference.
  
      """
  
      # returning a copy to insulate it from changes outside object
      return self.affine.copy()
  
imports: from warnings import warn
  import numpy
  import numpy.linalg
  import scipy.ndimage
  from dipy.core.optimize import Optimizer
  from dipy.core.interpolation import interpolate_scalar_2d, interpolate_scalar_3d
  from dipy.align import vector_fields
  from dipy.align import VerbosityLevels
  from dipy.align.parzenhist import ParzenJointHistogram, sample_domain_regular, compute_parzen_mi
  from dipy.align.imwarp import get_direction_and_spacings, ScaleSpace
  from dipy.align.scalespace import IsotropicScaleSpace
  from dipy.utils.deprecator import deprecated_params
label_desc: Use image node_id 2 for calling the AffineMap obj's underlying member method code with example usage: obj.get_affine() and returns: self