"Jonathan Morton" <chr### [at] chromatixdemoncouk> wrote in message
news:3D3### [at] chromatixdemoncouk...
> >>whole scene for Inner_light. Do objects in other light_groups cast
shadow
> >>even if they are not lighted by the light_sources ?
> >
> > Yup.
> >
> > Objects being in separate light groups still cast shadows for all
lights.
>
> Here's why: the shadow is caused by the object the shadow is cast
> across, which is lit by all lights.  When the tracer looks up how much
> light is falling on the shadowed object, it doesn't need to know about
> the light-groups that some other object (which happens to be in the way
> of the light) is using.
>
> So, you need to put the shadowed object in a complementary light-group
> or something instead.


Sorry, I am not sure I understand what you mean... er rather : I am sure I
do not understand... :'-( Could you explain a bit more ?

TIA


Philippe

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