POV-Ray : Newsgroups : povray.binaries.images : Volumetric Non-media clouds (320x240) : Re: Volumetric Non-media clouds (320x240) Server Time
2 Oct 2024 22:28:25 EDT (-0400)
  Re: Volumetric Non-media clouds (320x240)  
From: SamuelT 
Date: 12 Apr 2000 22:00:37
Message: <38F52A7D.ACD6770A@aol.com>
Chris Huff wrote:

> My reasoning was that ambient makes it visible without light falling on
> it, similar to emitting media.

Yes, I know what you were getting at, and you are right. I used just the right
ambient to make the smoke look like it's disappearing. It only works good if
the ambient value matches the objects behind the smoke.


> Hmm, turns out that because of the different directions the surfaces
> point in(I used planar surfaces in my experiments), the results are not
> always what you expect. I had some interesting results by placing a
> light_source right in the middle of the smoke, though...

I had interesting results too, but not very realistic. Perhaps a spherical
pigment with high ambient values can be translated on the isosurface where the
light_source is to produce a more realistic effect. It would be cheating in a
way, but it would probably look good.


--
Samuel Benge

E-Mail: STB### [at] aolcom

Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge


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