Alain <aze### [at] qwertyorg> wrote:

> > Christian Froeschlin<chr### [at] chrfrde>  wrote:
> >> According to the documentation, pass_through does not have
> >> an effect on photons which have already hit their target.
> >
> > Does that mean there is no way that media interact with photons that have
> > already passed through a lens or some other target?
> > Doesn't the documentation also say "photons interact fully with media
> > blablabla"?
> >
> >
> >
>
> You can.
> Just add photons{pass_through} to your container.
> The photons will ignore the container, but NOT the contained media.
>
>
> Alain

Nope. Take a look at Warp's example and mine above. Doesn't seem to work for
photons that already hit a target!
What I really want are caustics projected on some kind of media so to say.

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