.. _wag3:

********************************************************************************
Wagner III
********************************************************************************

.. image:: ./images/wag3.png
   :scale: 50%
   :alt:   Wagner III


.. math::

    x &= [\cos\phi_{ts} / \cos ( 2\phi_{ts} / 3)] \lambda \cos (2\phi /3)

    y = \phi

Parameters
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.. note:: All parameters are optional for the projection.

.. include:: ../options/lat_ts.rst

.. include:: ../options/lon_0.rst

.. include:: ../options/R.rst

.. include:: ../options/x_0.rst

.. include:: ../options/y_0.rst