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This is just an idea, but perhaps if the object being rendered was given
a white ambient finish and rendered with a black background with AA on,
this would make a good alpha channel for the color render. I haven't
tried it before though.
-Mike
Nathan Kopp wrote:
>
> Here's the solution that I use: I render the image at much higher resolution
> than I intend to use, with antialiasing turned OFF. Then I open it in a paint
> program that handles transparancy (I use Paint Shop Pro 5). Next, I remove the
> background color, then resize the image down to the size I want. PSP does a
> good job resampling, so you get the effect of antialiasing but the edges
> antialias to the alpha channel instead of to black.
>
> -Nathan
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