26-Connection (3D)
##################

26-connected (full) neighborhood over a 3D grid.


.. figure:: /figures/core/c26.svg
    :alt: 26-connected
    :align: center
    
    Center and its 26-connected points


.. rubric:: Properties


+---------------+----------+
|   Property    |          |
+===============+==========+
| Category      | *static* |
+---------------+----------+
| Incremental   |          |
+---------------+----------+
| Decomposabale |          |
+---------------+----------+
| Separable     |          |
+---------------+----------+


.. topic:: See also

    * :doc:`c6`


.. topic:: Examples

    ::

        mln::point3d p = {0,0,0};
        for (auto q : mln::c26(p))
            std::cout << p << ",\n";


    Prints:

    .. code-block:: text


        [-1,-1,-1],
        [-1,-1,+0],
        [-1,-1,+1],
        [-1,+0,-1],
        [-1,+0,+0],
        [-1,+0,+1],
        [-1,+1,-1],
        [-1,+1,+0],
        [-1,+1,+1],
        [+0,-1,-1],
        [+0,-1,+0],
        [+0,-1,+1],
        [+0,+0,-1],
        [+0,+0,+0],
        [+0,+0,+1],
        [+0,+1,-1],
        [+0,+1,+0],
        [+0,+1,+1],
        [+1,-1,-1],
        [+1,-1,+0],
        [+1,-1,+1],
        [+1,+0,-1],
        [+1,+0,+0],
        [+1,+0,+1],
        [+1,+1,-1],
        [+1,+1,+0],
        [+1,+1,+1],