Re: [Algorithms] Indoor/Outdoor lighting

[Charles B. <cb...@cb...>]

Some guys did this in Siggraph 2000.  I didn't read the paper,
but I saw it in the video.  It looked pretty good, definitely
better than nothing.

At 04:44 PM 8/25/2000 -0500, you wrote:
>>I also think that physiology simulation might be just as 
>>essential for the reaslism you strive for: if the player 
>>moves from bright outdoors to dimly lit indoors, do you 
>>gamma correct to account for the adaptation period? Do 
>>you change gamma to create pale outdoors when the Sun
>>comes out behind a cloud, or blend to change colors?
>>Simulating the eye might be more effective than
>>simulating the world.
>
>	Along these lines, I've been thinking that it may look very good to
>change the lighting depending on the viewer's location.  What I'm suggesting
>is darkening the lighting of indoor areas the viewer can see into from
>outdoors, and brightening the lighting of outdoor areas the viewer can see
>from indoors.
>
>	As the viewer crosses a boundary from outdoor to indoor, the indoor
>and outdoor lighting can be brightened until the indoor lighting is at the
>"normal" light level and vice-versa.  I'm not sure whether this can be
>achieved through gamma correction.  Are configurable gamma ramps supported
>on most major 3D accelerators?  I know I can change the gamma on my nVidia
>cards, but my older 2D card (an SiS 3D deccelerator) didn't respond.
>
>Regards,
>Garett Bass
>gt...@ut...
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--------------------------------------
Charles Bloom           www.cbloom.com