Encyclopedia > Surface normal

Article Content

Surface normal

A surface normal holds the three dimensional direction a surface faces in a 3 component vector representation. The representation is commonly used in 3D computer graphics. For a polygon the surface normal can be calculated as the the vector cross product of two edges of the polygon.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

East Hampton North, New York

... is 248.2/km² (643.1/mi²). There are 2,251 housing units at an average density of 155.8/km² (403.6/mi²). The racial makeup of the town is 82.46% ...