Warp <war### [at] tagpovrayorg> wrote:
> nemesis <nam### [at] nospamgmailcom> wrote:
> > http://img440.imageshack.us/img440/1255/lightcutstestzg0.jpg
>
>   The shadow under the head doesn't make physical sense. Where is it
> coming from? That shadow would indicate that there's a strong light
> source above the head, but the illumination of the head does not correspond
> to this. The bright area on the floor would rather obviously not cause
> such a shadow.

I've put 3 bounces or more.  Probably some of the light in the bright area on
the floor under direct illumination bounce to the ceiling, then down again.  It
is present in the radiosity version too, though much less sharp:

http://img111.imageshack.us/img111/7218/lightcutstest3radiobm0.jpg

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