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Activity Forums Adobe After Effects Rotoscoping And Decreasing Frame rate Problem

  • Chris Wright

    May 7, 2009 at 10:28 pm

    You have 3 different clips with 3 different styles of movement. Let’s get started…

    1st clip is cartoon look with around 24fps, either buy twixtor or
    try timeremap for that and use this cartoon look forum thread.
    https://forums.creativecow.net/thread/50/856947#856947
    ——-

    Here’s my timeremap formula.

    if you want smooth 24 fps and not jerky 24fps then try this

    29.97 interlaced to 23.976 progressive

    1.Put 29.97i video in new 59.94 “start” comp so that timewarp can access both fields.
    2. add effect->time->timewarp speed at 60.545403%, filtering extreme,vector detail 20
    3. make new “output” comp 99 fps and drop “start” comp inside it with timestretch 60.545403%
    4. output “output” comp with separate audio layer from original video at 23.976 fps fields off. add motion shutter blur if desired.

    tested and works well.

    ———
    2nd clip might be 24fps posterized to 22fps with heavy roto
    ———

    3rd clip
    You can either use posterize time at 1fps then place it as a precomp in another precomp with posterize at 1fps or

    n = 60; // number of frames to hold
    f = timeToFrames();
    framesToTime(Math.floor(f/n)*n);

    After you enable time remapping, you apply it to the time remapping property. Alt – click on stopwatch.

  • Viacheslav Sasykin

    May 7, 2009 at 11:29 pm

    Just out of my experience: I’ve got pretty much the same result and look like in the first clip (by the way – amazing animation!) doing following:
    Time stretch – 50%
    Render it out and import it back
    Put it back in your comp and do time stretch 200%. Effectively you are loosing every other frame.
    Then I applied Cartoon filter from Tinderbox 4 collection and on top of that CC Time blend (of course, you have to play with settings).
    It worked for me.
    Cheers.

  • Alireza Kheirabadi

    May 8, 2009 at 8:54 am

    Yes! Yes! Yes! That’s It!
    i found an usual effect… “Posterize Time”
    thank all yours, you are the man.

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