how to render against a BG with alpha

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ils_fl
Posts: 4
Joined: Tue Oct 02, 2007 6:50 am

how to render against a BG with alpha

Post by ils_fl » Tue Oct 02, 2007 6:52 am

I set up a simple scene with an environment - when I render Indigo gives me a png without alpha - I usually render targas with alpha channel so that I can use a custom BG - how can I do that here?

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Cire
Posts: 102
Joined: Wed Dec 27, 2006 10:49 am

Post by Cire » Tue Oct 02, 2007 6:55 am

Indigo does not render alphas. You'd have to render that channel in a separate app.

ils_fl
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Joined: Tue Oct 02, 2007 6:50 am

Post by ils_fl » Tue Oct 02, 2007 7:12 am

thanks

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