POV-Ray : Newsgroups : povray.binaries.images : Radiosity - interior scene test (90 kbu) : Re: Radiosity - interior scene test (90 kbu) Server Time
4 Nov 2024 21:26:08 EST (-0500)
  Re: Radiosity - interior scene test (90 kbu)  
From: Chris Huff
Date: 14 Sep 2000 21:06:06
Message: <chrishuff-6706E0.20080114092000@news.povray.org>
In article <39C157EB.210EB232@unforgettable.com>, 
inq### [at] unforgettablecom wrote:

> Uh.. no, it wouldn't. If you "photo" post-process an image with only 8
> bits of luminance, you're going to end up with hideous round-off errors,
> especially at the ends of the scale (if I've been reading this stuff 
> right).

I was talking about the "post_process" feature of MegaPOV, *NOT* editing 
in an external program. You can probably do all of what you want using a 
series of the existing filters, or write your own.


> Besides, part of the problem is that POV-Ray is incapable of handling
> scenes with high levels of contrast which are meaningful to the human
> eye. If it can't generate this much contrast - even algorithmically,
> before it ever puts pixel to screen - then how can it possibly extract
> an accurate simulation from the crippled data?

It stores colors as single-precision floating point values...isn't that 
enough? It is certainly far more than 8-bit...

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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