POV-Ray : Newsgroups : povray.general : nasty issues rendering extremely large objects : Re: nasty issues rendering extremely large objects Server Time
29 Jul 2024 18:29:53 EDT (-0400)
  Re: nasty issues rendering extremely large objects  
From: Florin Andrei
Date: 14 Oct 2010 15:15:01
Message: <web.4cb7562e4bd3fcf47411a7fb0@news.povray.org>
Darren New <dne### [at] sanrrcom> wrote:
> I think the problem is not the magnitude but the precision. POV-Ray uses
> floats internally, so trying to model something 200 million kilometers apart
> with a detail scale of 1 meter isn't going to work so well.  Plus, there are
> bits in the code to clip sufficiently distant geometry that I'm sure someone
> else can tell you about. I don't think you're going to be able to model this
> in a simple and naive way. You'll need to do something less obvious, like
> having different models at different points in the animation.
>
> (Note that "naive" isn't a pejorative term here.)

I think my message was misleading - when I said "zoom in" I wasn't thinking of
doing an animation. I'm only interested in the final static view, standing on
the surface of the ring.

It does seem to be some sort of precision limit or error, indeed.


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