how to render only the Alpha Channel in DF??

[macool]

Hello: can anyone give me info. on how to render only the Alpha Channel of a sequence of images that have been keyed. (in Digital Fusion)

ex. In the footage/ flow; I keyed out some bluescreen footage. I want to show a split screen of the footage, one without Keyed areas (background) and one with the Key (Alpha/Keyed). The first part is easy, of course, I’m just not sure how to render the Alpha/Keyed info. only.

Thank you ❗

[Anonymous]

hi, like that ?

http://www.dfusers.com/flw/alpha_render.zip

Note : Sorry , my english is bad.. 😆

[Anonymous]

If you realy want to see Alpha in rgb then use Bolean operator and copy your background alpha to red, green and blue. And you will see your alpha as B&W image. You can render it out as that so you got Alpha only pass.

[Author]

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