In article <3A9### [at] hotmailcom>, Tor Olav Kristensen 
<tor### [at] hotmailcom> wrote:

> The curve was modifying the "master" channel.

Does this mean it affects all 3 channels equally?


> But I have one little question before I start to read:
> 
> Can those post_process filters do things that cannot
> be done in image editors ?

Yes. They have access to the full precision, unclipped color values, as 
well as additional information (such as depth, surface normal, 
intersection point, etc...).

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

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