clipka <ano### [at] anonymousorg> wrote:
> Frank_C schrieb:
> > I used indeed the same resolution settings for both renderings.
> > As Stephen indicated, the assumed_gamma keyword made both renders equal. However
> > I added an {assumed_gamma 2.2} in POV3.7 instead of an {assumed_gamma 1} in
> > POV3.62. This is because -on my PC- the latter setting had the effect of
> > "flattening" the sphere (or any other object).
>
> Ah, I see! I thought you meant geometric "flattening", but you're
> talking about colors.
>
> Yes, gamma handling is significantly different between 3.6 and 3.7, and
> does lead to differences in color "intensity".

Just for the completeness, here's a comparison between the two spheres.
The sphere on the left was created with version 3.6 and the sphere on the right
was rendered in version 3.7. I didn't use the assumed_gamma keyword here.

http://img41.imageshack.us/img41/5444/testgjc.png

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