I'm sorry, but it doesn't make sense to me... :(
By definition, the lightsources inside a lightgroup should light only the
objects in the lightgroup. If I want them not to cast shadows I'll put a
no_shadow flag.

--
Jonathan.


news:3BF### [at] atosorigincom...
> JRG wrote:
> >
> > I read the docs many times, but couldn't find any reference to this
> > behaviour: light_sources inside a light_group do not cast shadows.
>
> > light_group {
> >
> > light_source
> > { <-4, 0, -5>
> >   rgb 1.5
> > }
> >
> > object {Thing}
> > torus {1.75,0.25 pigment {rgb 1}}
> >
> > }
>
> Your objects are part of the light_group.
> I would expect light_group to behave as the old 'look_like'
> extension: no self-shadow on the group.
>
> Try putting your objects OUTSIDE of the light_group, it should work.

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