POV-Ray : Newsgroups : povray.newusers : "Fade away" overlay for existing objects : Re: "Fade away" overlay for existing objects Server Time
3 May 2024 11:00:32 EDT (-0400)
  Re: "Fade away" overlay for existing objects  
From: Nekar Xenos
Date: 27 Jun 2015 12:05:01
Message: <web.558ec8e97840cf7550cbefc00@news.povray.org>
"severedo" <nomail@nomail> wrote:
> I have a finished scene made out of different objects.
> Now I want to focus on the middle of this scene, for this I would like to have a
> particular area (such as a simple circle) sharp and unperturbed and with
> increasing radius I want the rest of the scene to gently fade away into the
> blank white background. The fading should look like this just in a circular
> manner
> starting from the center of the image:
>
> https://www.flickr.com/photos/portier/3969225787
>
> I tried to put a torus around the part of the scene that I want to focus on
> and make it transparent or White but it does not
> really work and the "White" of the torus is also not really mixing with the
> white
> background, this is probably due to some shadow effects. I'm sure there must be
> a simple solution for this... Thanks for your help!

This sounds like media with a radial density map to me. Adding a little
turbulence will finish it off nicely.

-Nekar Xenos-


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