[Bf-committers] Cycles + AO + Transparency

[François T.]

As AO is geometry based, as far as I know, it is not supposed to make
difference on its transparency, as at least the basic algorithm only check
for mesh data, but not the material.


2012/4/22 Agustin Benavidez <agustinbenavidez at gmail.com>

> I am pretty sure it does work with transparent BSDF, and not with caustics
> i.e. using glass bsdf , so if you are using glass bsdf, use light path node
> to switch to transparent bsdf at least for shadow/diffuse rays or whatever
> ray you need.
> Cheers
>
>
> 2012/4/22 Tobias Oelgarte <tobias.oelgarte at googlemail.com>
>
> > I made some experiments with Cycles today and I noticed that AO sees all
> > faces as opaque, like the internal Renderer did. That means that a face
> > with glass material (entirely or nearly entirely transparent) will be
> > dark (itself) at parts close to other geometry. Should AO not have much
> > less impact on such surfaces? Otherwise it can be hardly combined with
> > transparent materials.
> >
> > Do you see room for improvement or should it stay this way?
> >
> > Greetings from
> > Tobias Oelgarte
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François Tarlier
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