If you are bounding by hand then check the messages for the "Unnecessary
bounding object removed" warning. If you get this then the -UR command line
option will stop this from happening. Alternatively use Remove_Bounds=false

Antony


"Ross Litscher" <lit### [at] osuedu> wrote in message
news:3df2874d$1@news.povray.org...
> "Christopher James Huff" <chr### [at] maccom> wrote in message
> news:chr### [at] netplexaussieorg...
> > In article <3DF23FB7.F7D16E4D@pacbell.net>, Ken <tyl### [at] pacbellnet>
> > wrote:
> >
> > > It might even render faster with automatic bounding turned off.
> >
> > Depends on the exact situation...if it tests for the bounding for every
> > pixel or nearly every pixel, turning the bounding off will not have any
> > effect on the sweep tests, but will get rid of the bounds tests, making
> > things slightly faster. Probably not enough to matter though.
> >
> > --
> > Christopher James Huff <cja### [at] earthlinknet>
> > http://home.earthlink.net/~cjameshuff/
> > POV-Ray TAG: chr### [at] tagpovrayorg
> > http://tag.povray.org/
>
> aye. I tried turning bounding off and making my own (simple) bounding box.
I
> only waited for the first couple lines to make comparisons, but the
> differences were negligable it seemed. They're all slow :) I'll be sure to
> post my lamp to p.b.i since this is my first 4+ hour render (still going
at
> 4.25 hours) in a long time. besides, its all hand coded which is also a
> first for a somewhat complete object. its nothing special, but i just feel
> like posting something!
>
> thanks for the help christopher and ken!
>
>
> ross.
>
>

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