RE: Alphas, mattes, adds and overs

Date : Tue, 26 Jun 2007 12:09:01 -0400
To : <XSI(at)Softimage.COM>
From : Michaël Bentitou <michaelb(at)hybride.com>
Subject : RE: Alphas, mattes, adds and overs
Yeah that sounds like a premult/unpremult problem. It might be obvious,
but on File Import in AE it asks you how you want the alpha to be
treated - make sure it corresponds to how you rendered your images.

-=mb.


> -----Original Message-----
> From: takita [mailto:takita(at)earthlink.net]
> Sent: Tuesday, June 26, 2007 11:50 AM
> To: XSI(at)Softimage.COM
> Subject: Re: Alphas, mattes, adds and overs
> 
> Are you rendering unmultiplied (e.g. what AE folks call "straight")
out
> of CG?
> 
> What might work (dodgy sometimes) is to render premultiplied and run
it
> through the unmult op in FXtree or AE's unumult plugin (lame, I
know...).
> 
> But sometimes this helps make the edge consistent at least.
> 
> -T
> 
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