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Activity Forums Adobe After Effects Making layers behave in After Effects like in Photoshop

  • Atiqur Sumon

    July 7, 2014 at 9:33 am

    If they aren’t 3D

  • Andrei Popa

    July 7, 2014 at 11:23 am

    What do you mean “if they aren’t 3D” ?

    Was that the answer or did it got truncated?

  • Daniel Waldron

    July 7, 2014 at 2:02 pm

    Hi Andrei,

    There are a few techniques on on inverting a key in this old thread. Maybe give those a shot.

  • Andrei Popa

    July 7, 2014 at 3:06 pm

    Yup, both methods work, Andy’s and Dave’s, I was using the normal invert, and I think Dave was talking about Alpha Invert.

    I also realized why I can’t get them on top of another the way I want.

    The keyed person is alpha, but the girl is with the background.

    So I would actually need 3 layers, background, girl alpha, keyed person alpha.

    I’m only new to compositing so…

  • Daniel Waldron

    July 7, 2014 at 3:29 pm

    Great, glad at least that part worked.

    Separating the girl from the background will be tricky. Rotobrush is probably your best shot, but – as Dave already pointed out – it is not as easy as it initially looks. Although it can make life easier than traditional rotoscoping, it can still be a painstaking and tedious process. I would google several tutorials on how to use it and make sure you really understand how it works before attempting it. Otherwise you will get frustrated by it and waste hours trying to adjust it without really knowing what you’re doing. I know this because I learned the hard way.

    Good luck!

  • Andrei Popa

    July 7, 2014 at 3:41 pm

    Yes, rotoscoping in kind of hardcore.

    Probably shooting them separately with greenscreens, (or at least the girl, because I already have the person in the suit keyed), is the best option.

    I heard there is this plug-in called Slice X, that is kind of like an auto-rotoscope, but I’m not sure how well it would track moving people.

  • Daniel Waldron

    July 7, 2014 at 7:26 pm

    If you have the opportunity to reshoot, I think that would be your best option.

  • Andrei Popa

    July 8, 2014 at 12:41 am

    Definitely.

    This was just a test, so I can see how it works, and how should I shoot it.

    🙂

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