In article <3fc6d59f.4578013@localhost>,
 Pet### [at] nymaliasnetalmost (nospam) wrote:

> In my .pov file, I set the assumed_gamma in my
> display settings to be the same as my display gamma.
> This allows me to "feedback" output images back into
> a render so that they don't get lighten or shortened
> by successive re-renderings.

Just don't specify assumed_gamma at all. This disables gamma correction 
without the possibility of accidentally specifying the wrong value, plus 
you can render it on multiple machines without editing.


> I avoid PNG like the plague.  The idea (and theory)
> of PNG is wonderful, but no two programs seem to
> implement gamma correction the same way.  They never
> seem to agree on gamma.  The means that the
> appearance of the images gets messed up worse
> between programs than if I had not used PNG.  The
> TGA format has always worked well for me.  BMP has
> also worked well but is windows-specific and does
> not seem to allow an alpha channel.

Well, just render without gamma correction, or otherwise disable the 
gamma value. You can handle gamma however you want, and still get the 
compression and other benefits of PNG. And avoid BMP like the plague. ;-)

-- 
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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