WE_zigzag
=========


.. image:: /_static/generated_stimuli/papers.RHS2007.WE_zigzag.png
   :alt: WE_zigzag stimulus example
   :align: center
   :width: 400px






.. py:function:: stimupy.papers.RHS2007.WE_zigzag(ppd=PPD, pad=True)


   Wedding cake stimulus as shown in Robinson, Hammon, & de Sa (2007) Fig 1f.

   :param ppd: Resolution of stimulus in pixels per degree. (default: 32)
   :type ppd: int
   :param pad: If True, include padding to 32x32 deg (default: True)
   :type pad: bool

   :returns: dict with the stimulus (key: "img") and target mask (key: "target_mask")
             and additional keys containing stimulus parameters
   :rtype: dict of str

   .. rubric:: References

   Clifford, C. W. G., & Spehar, B. (2003).
       Using colour to disambiguate contrast and assimilation in White's effect.
       Journal of Vision, 3, 294a.
       https://doi.org/10.1167/3.9.294