.. _cat2heli_disp:


******************************************************
Surface Displacement Vector Field
******************************************************

.. image:: images/cat2heli_disp.png
   :class: sphx-glr-single-img

See reference
`Helicoid transformation <https://en.wikipedia.org/wiki/Catenoid#Helicoid_transformation>`_
in Wikipedia.

.. literalinclude:: source/ex_cat2heli_disp.py
   :language: python