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How do I mix two keys in the compositor to form an image that uses both the keyed out parts? Movie Clip node > Keying node > Viewer = green screen removed; then same Movie Clip node > different Keying node > Viewer = blue markers removed. How do I combine these? I am trying to remove the background, and isolate the people in the foreground and have an alpha channel background.

edit: I don't really know what to search for, can anyone maybe share a link or just tell me the words to search for in Google?

Do I need to render out 1, then go back and re-render out the second? I feel like there is a way, similar to render layers, but with images/movies, sorry if this doesn't make sense, I will edit it when I can.

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put one into the other as so - that way each node changes the previous answer

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We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

  • $\begingroup$ It doesn't seem to work with the Keying node. Adding the second Keying node just seems to change the color of the background more than key it out (like it is when it's solo). I am about to try that with the color key nodes though, thanks. $\endgroup$ – Policestate Jun 27 at 10:59
  • $\begingroup$ Using the color key nodes got it very close, but I think I'll have to use the keying node and render out a sequence and then re-key out the other color and render a second time; the keying node seems to work better for the different shades of color/shadows/ movement/etc., than the color key node. TY for the reply, I might end up using your example, still testing stuff out. : ) $\endgroup$ – Policestate Jun 27 at 11:56

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