class_docstr: The Resels class.
      
class_docstr_tok: ["The","Resels","class","."]
docstr: Return iterator
  
  Returns
  -------
  itor : iterator
      self
docstr_tok: ["Return","iterator","Returns","--","--","--","-","itor",":","iterator","self"]
code: def __iter__(self):
      """Return iterator
  
      Returns
      -------
      itor : iterator
          self
      """
      if not self.fwhm:
          im = Image(np.zeros(self.resid.shape), coordmap=self.coordmap)
      else:
          im = Image(
              self.fwhm,
              clobber=self.clobber,
              mode="w",
              coordmap=self.coordmap,
          )
      self.fwhm = im
  
      if not self.resels:
          im = Image(np.zeros(self.resid.shape), coordmap=self.coordmap)
      else:
          im = Image(
              self.resels,
              clobber=self.clobber,
              mode="w",
              coordmap=self.coordmap,
          )
      self.resels = im
  
      return self
  
file_path: nipy/nipy/algorithms/fwhm.py
imports: import numpy
  from numpy.linalg import det
  from nipy.core.api import Image
  from .utils.matrices import pos_recipr
label_desc: Use image node_id 5 for calling the Resels obj's underlying member method code with example usage: obj.__iter__() and returns: self