In article <3ecab20f@news.povray.org>, "Manuel" <man### [at] tinit> 
wrote:

> Which are the advantages of a triangle used to place of a polygon with 3
> edges?

1: Space. 3 vertices instead of a list of vertices.
2: Speed. Solving for an intersection with a triangle is simpler than 
with a general polygon.
3: If you have a lot of them, you can put the triangles in meshes, 
getting even more space and speed optimizations.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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