POV-Ray : Newsgroups : povray.beta-test : Source 3.7 Beta 31, Linux 64 bits - Bounding optimisation and contained_by sphere : Re: Source 3.7 Beta 31, Linux 64 bits - Bounding optimisation andcontained_= Server Time
5 Oct 2024 15:38:23 EDT (-0400)
  Re: Source 3.7 Beta 31, Linux 64 bits - Bounding optimisation andcontained_=  
From: Warp
Date: 11 Mar 2009 21:55:49
Message: <49b86ba5@news.povray.org>
clipka <nomail@nomail> wrote:
> Le_Forgeron <jgr### [at] freefr> wrote:
> > The issue is with the container object vs automatic bounding.
> > The function is mainly irrelevant in the issue (but it happens only for
> > isosurface, so we need some anyway)

> Are you sure you're not just messing up "contained_by" and "bounded_by"?

> "bounded_by" is intended to provide the renderer with a manually-optimized
> bounding shape instead of the auto-generated bounding box.

> "contained_by" is intended to clip away parts of an object's surface (namely all
> that lie outside the clipped_by shape), and has *nothing* to do with bounting.

  I think you are confusing "contained_by" and "clipped_by".

-- 
                                                          - Warp


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