In article <3A69EE62.A287AF31@netvision.net.il>, Eitan Tal 
<eit### [at] netvisionnetil> wrote:

> I am sorry, I won't do that again. I didn't know, please don't ban me!

Don't worry, if you were going to be banned, I wouldn't bother asking 
you not to do it, would I? ;-)
Anyway, I read your messages in a web browser, and it looks like you are 
miunderstanding bounded_by...the bounded_by feature is for optimization 
only. POV-Ray checks to see if the bounding shape is visible, and then 
checks for the object. The bounding shape doesn't even have to be around 
the object, it just has to be in the line of sight from the camera 
toward the object. If you make it smaller than the object, you can not 
rely on pieces of the object being cut off. To repeat: bounded_by does 
not cut pieces off of the object, it simply helps POV decide if the 
object is visible.

And the clipped_by feature is very similar to the intersection object, 
except it removes the surfaces instead of replacing them with the 
surface of the clipping object. It should work in a CSG, sort 
of...though it may not do what you expect. It is actually used fairly 
rarely compared to the CSG objects.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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