POV-Ray : Newsgroups : povray.binaries.images : Media air - HOW? : Re: Media air - HOW? Server Time
2 Oct 2024 18:23:38 EDT (-0400)
  Re: Media air - HOW?  
From: Lewis
Date: 3 Apr 2000 16:47:36
Message: <38E902CF.BDE7D62D@netvision.net.il>
Thanx, man! I never thought about the sphere thing, and...and... well
just plain thanx.

Chris Huff wrote:
> 
> In article <38E8FA5B.5FC655C4@netvision.net.il>, Lewis
> <nle### [at] netvisionnetil> wrote:
> 
> > The scene file in included, but here is the code of the media I used:
> >
> > media
> > {
> >   intervals 10
> >   samples 5, 5
> >   confidence 0.9
> >   variance 1/128
> >   ratio 1
> >   scattering {1, rgb <0.1,0.1,0.1> extinction 1}
> >
> > }
> >
> > help! The white stuff covers the whole image, denser when there is
> > something closer. I also included the image without media.
> 
> Well, first, your media isn't contained by any object. This makes it
> somewhat unpredictable, and doesn't work well for the background areas,
> so I put it in a sphere.
> Second, you seem to be using MegaPOV, so you might as well use method 3
> media. You can get smoother results with lower settings and much faster
> rendering this way.
> Finally, your media is *way* too dense. I decreased it to 1/20th of what
> it was. Here is my version of the media, you might want to fine-tune the
> density and extinction:
> sphere {<0,0,0>, 1 scale < 1000, 150, 1000>
>     texture {
>         pigment {color rgbf <1,1,1,1>}
>     }
>     interior {
>         media {
>             intervals 1
>             samples 5, 5
>             confidence 0.9
>             variance 1/128
>             ratio 1
>             scattering {1, rgb 0.005 extinction 0.6}
>             method 3
>             aa_level 4 aa_threshold 0.1
>         }
>     }
>     hollow on
> }
> 
> --
> Christopher James Huff - Personal e-mail: chr### [at] yahoocom
> TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
> Web page: http://chrishuff.dhs.org/


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