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Activity Forums Adobe After Effects Color flow through Mask

  • Color flow through Mask

    Posted by Rob Davenport on April 1, 2005 at 5:48 am

    I want to be able to have video footage on track 1 would be B&W footage on track 2 would be Color footage of exact footage. Then use a mask or masks of varying sizes and allow color to be visible under the mask as if the mask is moving across the frame of video footage.




    Steve Roberts replied 18 years, 11 months ago 2 Members · 1 Reply
  • 1 Reply
  • Steve Roberts

    April 1, 2005 at 1:51 pm

    You could place the colour footage layer over the BW footage layer, then apply masks to the colour footage layer. The footage inside each mask will be revealed.
    Animate the masks’ shape parameter using keyframes as outlined in the manual.

    If you must have the BW layer over the colour layer, you could apply masks to the BW layer, then click the “invert” button for each mask.

    Note that when masks intersect, if you want fancy stuff happening, you can use different mask modes for different effects.


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