POV-Ray : Newsgroups : povray.general : Graininess : Re: Graininess Server Time
31 Jul 2024 08:24:04 EDT (-0400)
  Re: Graininess  
From: Thorsten Froehlich
Date: 12 Jan 2008 09:44:24
Message: <4788d248@news.povray.org>
SharkD wrote:
> http://img213.imageshack.us/my.php?image=hslsphereshowgw2.jpg
> 
> If you look at the above image you can see graininess where the square grid
> overlaps the cut portion of the sphere? What causes this? Ususally stuff like
> this only happens when there are coincident surfaces. I checked and there are
> none. Moving the grid away from the sphere surface causes the problem to
> lessen. Turning the light sources off causes it to go away. I've experimented
> with changing to a parallel camera, parallel lights, turning off shadows and
> reflection for objects, turning off ambient in global settings and in the
> finish, turning off radiosity, etc....

This looks simply like aliasing ... what happens if you use anti-aliasing
with relatively high settings?

	Thorsten


Post a reply to this message

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