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Activity Forums Adobe After Effects Expressions Is there a plug-in/effect that will allow you to use any layer as a track matte?

  • Is there a plug-in/effect that will allow you to use any layer as a track matte?

    Posted by Matthew Woods on July 26, 2006 at 6:22 pm

    Hi, I have an animation that I am working on where I would like to use one layer as a track matte for multiple layers. I have a ton of layers in the comp, and I am doing some funky animated distortions on the layer that is being used as the track matte. I would like not to have to have a million duplicates of the trackmatte layer that I will have to update if I tweek the matte animation. I could precompose the matte layer, but I would like to be able to adjust all of the keyframes from within one timeline. I could also parent them all to one layer, and add expressions that link all of my distortion effect settings to the master layer, but that is a pain in the butt. Either way it is a ton of extra layers. In flowchart based compositing programs, I could use the output of the one layer as the matte input for a number of different layers. Does anyone know of a plug in or effect that would allow me to choose the output of any layer in the composition as a track matte for the current layer? It would be immensly helpfull, and durasticly cut down the number of layers that I would need in this comp.

    Thanks,

    -Matt

    Oxyde replied 19 years, 9 months ago 3 Members · 3 Replies
  • 3 Replies
  • Mylenium

    July 26, 2006 at 6:39 pm

    Channel –> Set Matte.

    Mylenium

    [Pour Myl

  • Matthew Woods

    July 26, 2006 at 7:11 pm

    I was all excited for a moment there Mylenium, but I can’t seem to get this effect to behave like a track matte does. It doesn’t seem to take in to take into account any transformations, effects, or masks on the matte source layer. I have tried checking and unchecking the “premultiply Matte Layer” (which sounds like it should fix the issue I am having) but it doesn’t seem to do anything. By unchecking “Composite Matte with Original” I can clearly see that the Matte it is pulling is not reflecting these factors. Checking and Unchecking “Stretch matte to fit” moves the Matte, but neither option reflects the matte’s transformations.

    -Matt

  • Oxyde

    July 26, 2006 at 7:32 pm

    did you do the following
    1-nested the layers with all the fx.
    2-duplicate this new nested layer
    if you need this fx section to be fully visible.
    3-apply hue/sat to the nested layer and set it in order
    for the fx be white color.
    4-apply set matte to the other layer. the matte is the
    hue/sat nested layer.
    this is if your matte is the nested layer. change the
    nested layer to the other artwork is this one is the matte.

    or try

    render your fx sequence, import it back, color correct it and use
    it to be a matte or the other way around.
    Also you cna play with fusion mode and additive comp like this one
    to get some depth or style

    hope that help

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