Mapas de normales : bump mapping : Mapeado topológico

In computer animation the number of surfaces in the scene greatly influences the time of computation (rendering) de la SMA.

A technique for simulating on a flat surface roughness is called “Bump mapping”; comprises applying a texture to the surface to modify the direction of the normal to the same, influencing the calculation of shading algorithms (Shading) applied during image rendering, without changing the topology.