=
"Class hierarchy: :class:`freestyle.types.UnaryFunction0D` > "
":class:`freestyle.types.UnaryFunction0DDouble` > :class:`Curvature2DAngleF0D`\n"
"\n"
".. method:: __init__()\n"
"\n"
" Builds a Curvature2DAngleF0D object.\n"
"\n"
".. method:: __call__(it)\n"
"\n"
" Returns a real value giving the 2D curvature (as an angle) of the 1D\n"
" element to which the :class:`freestyle.types.Interface0D` pointed by\n"
" the Interface0DIterator belongs. The 2D curvature is evaluated at the\n"
" Interface0D.\n"
"\n"
" :arg it: An Interface0DIterator object.\n"
" :type it: :class:`freestyle.types.Interface0DIterator`\n"
" :return: The 2D curvature of the 1D element evaluated at the\n"
" pointed Interface0D.\n"
" :rtype: float\n"