"Louis" <nomail@nomail> wrote in message 
news:web.4b02c77e4c442a2e27a6896b0@news.povray.org...
> There seems to be a default light source in 3.7 Beta 34.
> When I turn all light sources off and set global_settings{ambient_light 0} 
> in
> 3.6 I get a black image, but 3.7 gives a dusk ambient lighted image. All 
> my
> scenes tend to be allot brighter in 3.7 than in 3.6.
>
> I googled and bingd on how to turn this off without success, or is it 
> something
> else?

sounds like gamma handling issue ... check out the threads in this newsgroup 
that discuss gamma and see if that sheds any light (no pun intended) on your 
issue.

Jim

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