Re: alpha in transparency

["Wayne Williams" <w1343(at)comcast.net>]

Hey Karl,
Make a new pass and apply a white constant to the objects that are behind 
your fence. Apply a black constant to your fence and then render. Or vice 
versa. Black back, white fence. Use that as your alpha for selection/masking 
purposes etc. At least I think this is what you were meaning you wanted.


----- Original Message ----- 
From: "karlnrose" <karlnrose(at)bluewin.ch>
To: <XSI(at)Softimage.COM>
Sent: Saturday, October 06, 2007 12:32 PM
Subject: Re: alpha in transparency


> Sorry Wayne for the late response, been real busy.  I'm not sure what you 
> mean by "apply a matte".  How would one do that?
>
> Karl.
>
>
>
> Wayne Williams wrote:
> > apply a matte on the object behind the fence?
> >
> > ----- Original Message ----- From: "karlnrose" <karlnrose(at)bluewin.ch>
> > To: <XSI(at)Softimage.COM>
> > Sent: Saturday, September 29, 2007 9:23 AM
> > Subject: alpha in transparency
> >
> >
> > > I have a chain link fence texture with alpha transparency.  The problem 
> > > is when I render I see the objects behind the fence in the fence render 
> > > layer. Can anyone tell me how I can render out the  fence so that I'm 
> > > left with an alpha channel between the fence wire?
> > >
> > >
> > > Cheers,
> > > Karl.
> > >
> > >
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