I tested that (with some image as heightfield) and didn't see any difference
between clipping it or not (clipping didn't make anything disappear).
  And by the way, you should clip the object which is infinite, this being the
first difference.

-- 
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  - Warp -

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news:scekau8v06bpp9boqd50hvdf473po9pa2h@4ax.com...
> On Wed, 3 Apr 2002 00:47:29 +0200, "JRG" <jrg### [at] hotmailcom> wrote:
> > > > So a finite bounding_box _means_ a finite object.
> > >
> > > I never saw basic trick with bounding box near camera probably.
> >
> > I'm not sure what you want to say.
>
> Somehow I placed I instead of You. It's becouse of 24 hours at work.
>
> > Which trick?
>
> Currently I can't find most typical animation of this type of
trick/technic.

Best use of it I've seen is to have one object in the foreground, and
another object in the mirror.  The two objects are actually placed in the
same place; one has it's bounding object in front of the camera (between
itself and the camera), and traces normally, the other has its bounding
object between the mirror and the camera (so when rays hit the mirror, the
object is traced).

...Chambers


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