normal surface

См. также в других словарях:

• Normal surface — In mathematics, a normal surface is a surface inside a triangulated 3 manifold that intersects each tetrahedron so that each component of intersection is a triangle or a quad (see figure). A triangle cuts off a vertex of the tetrahedron while a… …   Wikipedia

• Surface plate — A surface plate is a solid, flat plate used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. The surface plate is often used as the baseline for all measurements to the workpiece, therefore …   Wikipedia

• Surface normal — Normal vector redirects here. For a normalized vector, or vector of length one, see unit vector. A polygon and two of its normal vectors …   Wikipedia

• normal — normal, ale, aux [ nɔrmal, o ] adj. et n. f. • 1753; verbe normal h. XVe; lat. normalis, de norma « équerre » 1 ♦ Math. Droite normale, ou n. f. la normale à une courbe, à une surface en un point : droite perpendiculaire à la tangente, au plan… …   Encyclopédie Universelle

• Normal mapping — used to re detail simplified meshes. In 3D computer graphics, normal mapping, or Dot3 bump mapping , is a technique used for faking the lighting of bumps and dents. It is used to add details without using more polygons. A common use of this… …   Wikipedia

• Surface reconstruction — refers to the process by which atoms at the surface of a crystal assume a different structure than that of the bulk. Surface reconstructions are important in that they help in the understanding of surface chemistry for various materials,… …   Wikipedia

• Surface second harmonic generation — is a method for probing interfaces in atomic and molecular systems. In second harmonic generation (SHG), the light frequency is doubled, essentially converting two photons of the original beam of energy E into a single photon of energy 2 E as it… …   Wikipedia

• Normal — may refer to: Normality (behavior), conformance to an average Norm (sociology), social norms, expected patterns of behavior studied within the context of sociology Normal distribution (mathematics), the Gaussian continuous probability… …   Wikipedia

• Normal height — Normal heights are heights above sea level, one of several types of height which are all computed slightly differently. Alternatives are: orthometric heights and dynamic heights. The normal height H * of a point is computed from geopotential… …   Wikipedia

• Normal, Illinois — Uptown Normal looking east on North Street …   Wikipedia

• Normal — Nor mal (n[^o]r mal), n. [Cf. F. normale, ligne normale. See {Normal}, a.] 1. (Geom.) Any perpendicular. [1913 Webster] 2. (Geom.) A straight line or plane drawn from any point of a curve or surface so as to be perpendicular to the curve or… …   The Collaborative International Dictionary of English