\( p \)
\( v_0 \)
\( v_1 \)
\( \mathbf{n}_m \)
\( \mathbf{n}_h \)
\( \mathbf{n}_m \) =
\( \mathbf{n}_h \) =
Area Correction:
\( 1 / \| \mathbf{n}_m \times \mathbf{n}_h \| \) =