In article <3df2378c$1@news.povray.org>,
 "Ross Litscher" <lit### [at] osuedu> wrote:

> With the sphere_sweep i get about 30 PPS and without it I get 340 PPS, and
> this is where there is nothing but a blue wall with just a simple pigment
> { rgb <0.05, 0.30, 0.80> }. So my question is, if its not apparent yet, why
> does a sphere sweep affect the render time so much even when it is not
> currently rendering any part of the sphere_sweep? Is there any way to reduce
> this affect (i'm no master pov'er, i don't know such things)

Well, a sphere sweep is a difficult object to bound, POV probably just 
doesn't know the sweep is not visible. Sphere sweeps are just pretty 
slow, though I think there is work being done on speeding them up, with 
better bounding and other 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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