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emmap89548847
Participant
September 2, 2018
Answered

Inverting Rotoscoped Image

  • September 2, 2018
  • 2 replies
  • 31830 views

I have rotoscoped an image, but I would like to remove it so that a different video layer can show underneath instead, what is the best way to invert the rotoscoping so that the image can be removed instead of the background?

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Correct answer Towerguy

Hi, there are several ways: if it's a mask/masks set the mask/s to Subtract or place a layer of the footage underneath your roto and set its "TrkMat" to Alpha Inverted (if you cant see the Track Matte box in your layer press the Toggle Switches/Modes box at the bottom of your screen. Then add your different video underneath.

2 replies

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ericmlevy
Inspiring
September 3, 2018

What Towerguy said. Or drag in an Invert effect and set it to Alpha.

I always do my roto separately from my footage on a solid as a track matte. That way I can affect the matte without affecting the underlying footage and vice versa.

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    grd.emmanuel
    Participant
    January 22, 2022

    It worked !! Thanks a lot 🙂

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    TowerguyCorrect answer
    Participating Frequently
    September 3, 2018

    Hi, there are several ways: if it's a mask/masks set the mask/s to Subtract or place a layer of the footage underneath your roto and set its "TrkMat" to Alpha Inverted (if you cant see the Track Matte box in your layer press the Toggle Switches/Modes box at the bottom of your screen. Then add your different video underneath.

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