=
"Class hierarchy: :class:`freestyle.types.UnaryFunction0D` > "
":class:`freestyle.types.UnaryFunction0DVec2f` > :class:`Normal2DF0D`\n"
"\n"
".. method:: __init__()\n"
"\n"
" Builds a Normal2DF0D object.\n"
"\n"
".. method:: __call__(it)\n"
"\n"
" Returns a two-dimensional vector giving the normalized 2D normal to\n"
" the 1D element to which the :class:`freestyle.types.Interface0D`\n"
" pointed by the Interface0DIterator belongs. The normal is evaluated\n"
" at the pointed Interface0D.\n"
"\n"
" :arg it: An Interface0DIterator object.\n"
" :type it: :class:`freestyle.types.Interface0DIterator`\n"
" :return: The 2D normal of the 1D element evaluated at the pointed\n"
" Interface0D.\n"
" :rtype: :class:`mathutils.Vector`\n"