POV-Ray can render curved surfaces which are ACTUALLY CURVED.

All those other modellers and renderers just *approximate* curves. In a 
normal renderer, a "sphere" is really a polygedron, with the lighting 
blurred a bit so that it looks smooth. (Unless you look at the profile. 
Or the shadow. Or where the shape intersects something else. Or...) When 
POV-Ray renders a sphere, it is perfectly spherical.

Fundamentally, representing a sphere as a mesh is WRONG. Granted, that's 
not a very rational argument. But to me, meshes just seem so stupid and 
unsophisticated. Mathematical perfection is so much more exciting...

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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