On 03/20/2011 07:41 AM, clipka wrote:
> Showcasing a mechanism to speed up scenes with both subsurface
> scattering and radiosity.
>
> First image: Current implementation; radiosity-based illumination is
> subject to subsurface effects; this was necessary with RC3 syntax
> because the effective object color was independent of the pigment.
> Render time: 2439 CPU seconds (>5 min real time) on a Core i7 machine.
>
> Second image: Subsurface effects are applied to direct illumination
> only, while radiosity-based illumination is applied as if the object had
> a classic texture; this is possible with RC4 syntax because it makes
> sure that the effective object color is approximately the same with and
> without SSLT. Render time: 325 CPU seconds (<41 seconds real time) on
> same machine.
>
> While there are obvious differences, I guess many users will feel that
> they are more than outweighed by the tremendous gain in speed, so I'm
> pretty sure it'll make it into POV-Ray soon (not sure whether it will
> make it in time for RC4 though).

nice work ... btw: change 5424 helped with my chocolate texture ... danke

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