• surface normal
• surface normals

surface normal (suomeksi)

Määritelmät:

• (lb, en, differential geometry) A unit vector at any given point ''P'' of a surface ''M'' which is perpendicular to the tangent plane ''T_P(M)'' of ''M'' at ''P''. For a surface with parametrization $\backslash vec\; x(u,v)$, it is given by