Early computer-generated images used shaded objects that had unnaturally smooth surfaces. To produce a textured surface using the techniques discussed would require creating an excessive number of surface pieces that follow all of the complexities of the texture. An alternative to the explosion of surfaces would be to use the techniques of texture mapping. Texture mapping is a technique used to paint scanned images of a texture onto the object being modeled. Through an associated technique, called bump mapping, the appearance of the texture can be improved still further.
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