> High!
> 
>> Probably it will not be possible to achieve pleasing in-door and 
>> out-door illumination at the same time.
>>
>> Remember, our eyes have pupil that adapt to the surroundig light - 
>> PovRay does not! If it is bright outside and we are looking out of the 
>> window our pupils shrink. When we then look back into our room, they 
>> dilate. Our eyes are seeing at different "exposures", depending on the 
>> surrounding light.
>>
>> So in PovRay: if the light looks good on the outside (bright), it will 
>> seem dark inside. If it looks good inside (without tricks), it will be 
>> way too bright outside.
>>
>> If our eyes would not be able to adapt to different lighting we would 
>> not be able to see much at all. And PovRay, if used with one set of 
>> lightsources, is such an eye -unable to adapt to the lighting.
> 
> But I in fact have seen indoor scenes with credible outdoor illumination 
>  many times since I first entered this group back in 2000! How do those 
> PoV geeks that? Perhaps an ultra-bright sun, and thus correspondingly 
> very dark textures on all outside surfaces to get a "realistic" 
> brightness of surfaces? Perhaps I should try a sun with a color of, lets 
> say, rgb 10?
> 
> See you in Khyberspace!
> 
> Yadgar
Is there not something as an (automatic) diafragma for the camera in POV?

Wijnand

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