POV-Ray : Newsgroups : povray.general : POV-Ray 3.1 and 3.5 difference : Re: POV-Ray 3.1 and 3.5 difference Server Time
5 Aug 2024 08:24:38 EDT (-0400)
  Re: POV-Ray 3.1 and 3.5 difference  
From: Johannes Dahlstrom
Date: 13 Oct 2002 12:40:16
Message: <web.3da9a10b69e0b5c7f7cbce3c0@news.povray.org>
Peter Popov wrote:
>It's the normal. Either the pattern (bumps, which uses different noise
>generators) or the non-uniform (anisotropic) scaling, which IIRC is
>handled differently in 3.5 due to some bugs in 3.1. Or maybe even
>both.

Just curious: in 3.5 the uniform scaling of a normal also scales the bump
height, so that the apparent slope stays the same, right? This far no
problem. But how does it work with non-uniform scaling, that is, how is the
height calculated?


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.