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Hmm. I have used the no_shadow flag you suggested also, but that will
turn off any shadows cast by surface textures. I guess it does come down
to the filter v. transmit behavior in 3.1. Phooy!
Anyway, thanks much for your reply!
Abe
ingo wrote:
>
> in news:3C880122.9C9C0CE4@taconic.net Abe wrote:
>
> > sphere { 0.0, 1 hollow
> > pigment {rgbt 1}
>
> If you change it to :
>
> sphere { 0.0, 1 hollow
> pigment {rgbf 1}
>
> You also get the shadow in 3.1g.
> To get no shadow in 3.5 you have to use no_shadow in the object. The
> difference in behaviour between rgbf an rgbt that was there in 3.1 was a
> bug that is fixed in 3.5. See:
> "2.6.14 Changed features that may 'break' old scenes"
> and "6.8 Media" near the end.
>
> Also the documentation gives me the impression that media_interaction
> and media_attenuation are for use with atmospheric media only.
> "6.5.7.10 Atmospheric Media Interaction" and "6.5.7.11 Atmospheric
> Attenuation".
> My impression, or the docs, may be wrong here.
>
> Ingo
>
> Ingo
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