POV-Ray : Newsgroups : povray.advanced-users : Materials that blur : Re: Materials that blur Server Time
29 Jul 2024 04:26:06 EDT (-0400)
  Re: Materials that blur  
From: Christopher James Huff
Date: 24 Sep 2003 20:37:44
Message: <cjameshuff-7CB83A.20355424092003@netplex.aussie.org>
In article <web.3f70fc1178c6ab46be419860@news.povray.org>,
 "Kevin" <kev### [at] dukeedu> wrote:

> I agree that to do this the right way would be really expensive, but a quick
> way around it might be to determine the length of the ray that passes
> through the material and then set the local blur size (for that ray) to
> some function of the path length.

This would be possible, though it wouldn't be very close to the real 
effect.


> Hmmm.... maybe if you could define a gradient of the normal bump sizes you
> could simulate this effect.. or by playing with normal maps... I'll have to
> fiddle with that.

It would only look right from one direction.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/


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