ingo wrote:
>
> > All the data is non clipped. By scaling light source and ambient
> > source intensities I can make sure the scene fits in 0-1 range.
> 
> The "studio-situation" form a photography view point.

Actually no. The uniform scaling is done only to fit all the samples
in the 48 bit file, not to reduce contrast ratio. 48 bit file can store
a scene with 60 000:1 contrast ratio. 
 
_____________
Kari Kivisalo

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