Border contrast
===============

Settings and helpers of the ``border_contrast`` option of
:class:`~mappyng.Choropleth` and :class:`~mappyng.Category`. See
:ref:`border-contrast` for how to use it.

.. autoclass:: mappyng.BorderContrast
   :members: to_dict

.. autofunction:: mappyng.border_contrast.parse_border_contrast

.. autofunction:: mappyng.border_contrast.find_weak_borders

.. autoclass:: mappyng.border_contrast.WeakBorder