"Warp" <war### [at] tagpovrayorg> wrote in message news:3ca9d501@news.povray.org...
>
>   Usually tuning brightness/contrast does not modify the overall quality
> of the image. If there are artifacts in the image, they will not go away
> by this.
>

True, such tuning shouldn't affect technical scores (but I bet it does) -
however, it might have quite an impact on artistic. The adjustment shouldn't be
necessery if you set up your scene correctly in the first place....

On a related note, I've occasionally been quite pleased with some "improvements"
made to my images by conversion to .jpg.

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