 | | | Object alpha | Object alpha 2004-04-07 - By Simon Burke
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Thanks Kim, that makes sense, does exactly what I want.
On Wed, 7 Apr 2004 11:37:49 +0100
"kim aldis" <kim@(protected)> wrote:
> My bad, it's doable but there's a good few of the
> illumination nodes don't
> bave an alpha in the colour input so you need to add one
> yourself. Here's
> the way to go, assuming a phong shader, although it'll
> work for most of the
> other shaders too.
>
> Get 4 colour picker nodes, set each to r,g,b and a
> respectively. Shove the
> output of a phong node into each of the rgb picker nodes,
> leave the alpha
> one without a an input. Now combine the channel pickers
> using an RGB combine
> node and plug the output of this into your material. Use
> the alpha slider in
> the alpha picker to control the level of transparency of
> the alpha on your
> object. Only works with raw colour clipping on.
>
> Also allows textured or phong alpha channel by plugging
> texture or phong
> into the alpha colour picker.
>
> Rendertree, Oh joy. ;)
>
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On Behalf Of Simon
> Burke
> > Sent: 07 April 2004 10:33
> > To: XSI@(protected)
> > Subject: Re: Object alpha
> >
> > Kim, where do I "turn the material alpha to zero"?
> >
> > On Tue, 6 Apr 2004 15:08:37 +0100
> > "kim aldis" <kim@(protected)> wrote:
> > > Yeah, just turn the material alpha top zero then turn
>
> > colour clipping
> > > to raw in the active effects tab of your render or
> preview ppg.
> > >
> > > > -- --Original Message-- --
> > > > From: owner-xsi@(protected)
> > > > [mailto:owner-xsi@(protected)] On Behalf Of Simon
> > > Burke
> > > > Sent: 06 April 2004 14:34
> > > > To: XSI Support
> > > > Subject: Object alpha
> > > >
> > > > Hi
> > > > Quick question, is there a way of turning an
> objects
> > > alpha
> > > > off in XSI so that it doesn't render a matte?
> > > > Thanks
> > > >
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-- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
Simon Burke
3D
Windmill Lane Pictures
4 Windmill Lane
Dublin 2
Tel : (01) 6713444
Fax : (01) 6718413
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The information transmitted is intended only for the person or entity to which
it is addressed and may contain confidential and/or privileged material. Any
review, re-transmission, dissemination or other use of or taking of any action
in reliance upon, this information by persons or entities other than the
intended recipient is prohibited. If you received this in error, please contact
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