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.. _lagrng:

********************************************************************************
Lagrange
********************************************************************************

.. figure:: ./images/lagrng.png
   :width: 500 px
   :align: center
   :alt:   Lagrange

   proj-string: ``+proj=lagrng``

Parameters
################################################################################

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

.. option:: +W=<value>

    The factor :option:`+W` is the ratio of the difference in longitude from the
    central meridian to the a circular meridian to 90. :option:`+W` must be a
    positive value.

    *Defaults to 2.0*

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

.. include:: ../options/lat_1.rst

.. include:: ../options/ellps.rst

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

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

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