Re: Resending Particles with transparency 2003-12-15 - By pmiinalainen
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Sorry for not answering earlier, but 've been away for couple of
days. I can confirm your problem, when particle (or another
transparency mapped object) lays flat with another object, it will
render black. It seems also, that rectangular maps don't uv map
correctly on faces of particles.
Neither light through transparency or ignoring light effects when
totally transparent doesn't solve this problem. If you need the
particles laying on the ground and you have anything grooves, model
the snowflake and use it as tip object. I think that should work.
petteri
--- In Carrara@(protected), Dale Price <mbp15@(protected)> wrote:
> I think my question may have been lost among all the Poser
discussion
> messages, so I am resubmitting the original mailing:
>
> I just looked over the Snow flake file that Brian Hinton provided
with
> his article on particles in the new 3d e-magazine for Carrara. I
noticed
> that when the rectangular "snowflake" squares rest flat on the
ground
> plane, the transparency effect is gone. I see a flat rectangle with
a
> flake in the center. Is this an issue with the particle emitter?
>
> I tried playing with the shader and with the render settings... even
> with light through transparency checked and full ray tracing
selected I
> can still see a rectangle when the particle lays flat on the
infinite
> plain used as the ground surface.
>
> The only thing that worked was to raise the ground plane up higher,
so
> that the particles passed clear through it before laying flat.
>
> DaleP
> mbp15@(protected)
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