Margus Ramst wrote:
> 
> Warp wrote:
> >
> >   Is the radiosity data independent of the camera location?
> >
> >   If yes, does it mean that you can get the same effect as in the
> > "regular" radiosity used in scanline renderers, that is: Calculate radiosity
> > once, render same scene from different camera locations many times?
> >
> 
> AFAIK, no. It would only work only if the new image doesn't include areas of the
> scene invisible in the original image.
> First level radiosity samples are only taken at points hit by the camera (or
> reflected/transmitted) rays, so for the rest of the scene radiosity information
> would be isufficient. Of course there should usually be a fair amount of samples
> generated during secondary bounces, which can be reused to speed up the process.

But wouldn't secondary and tertiary bounces return lower values
than a primary bounce value ? If so then what value would it
add for speeding up the process ?

-- 
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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