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Activity Forums Adobe After Effects “Darken” an area in the movie.

  • “Darken” an area in the movie.

    Posted by Cuel on May 11, 2007 at 7:04 pm

    Okay so I need a little help. I’ve got 2 windows in my movie wich reflects the camera and I want them darkened so the camera won’t be visible anymore. I didn’t find the drawing tool so I could create some sort of “mask”. How would I achieve this?

    The main problem is, one arm is moving over the window.

    Cuel replied 19 years ago 4 Members · 6 Replies
  • 6 Replies
  • Delete

    May 11, 2007 at 7:33 pm

    Your post is a little unclear, but to create a mask just use the pen tool at the top or the shape tool. If you can’t see them on your UI, then try opening a different layout, as the toolbar may be hidden.

  • Cuel

    May 11, 2007 at 8:21 pm

    Here is a picture of it, I hope it’s more useful.
    https://img69.imageshack.us/img69/7783/piclb1.jpg

    -How do I make so that only the selected area used with pen is darkened?
    -How can I achieve so that his arm does not get darkened?

  • Mike Clasby

    May 12, 2007 at 2:30 am

    Ctrl 1 brings up the Tools.

    G on a selected layer brings up the Pen Tool, repeated G’s give you the different Pen Functions. V will give you the selection tool back.

    “G” and Draw a mask around the window, when it’s completed you’ll loose part of the layer, so “M” reveals the mask, change the mask from Add to None, then you can draw another mask and see the whole layer while you’re masking. When you finish the second wind, change both masks to subtract. Add a little feather (F) and tweak the mask expansion until it fits right. All the mask controls are under the mask, twirl down.

    When the talent moves his arm, you need to draw another arm mask, just make it the shape of his arm, or everything that will eventually cross that window mask. When the arm starts to move, set Mask Shape keyframes and then drag mask vertices around, or double click a mask point and transform the whole mask shape, like in Photoshop, you can rotate (reposition and scale) the mask easily that way, hopefully that’s all you need, Set the arm mask to Add and you should be good to go.

    If you want the windos to have a certain color, drop that colored solid under the layer.

    Welcome to the world of Roto. Don’t tell anyone you know how to do Roto, lest you be asked again.

  • Joe Moya

    May 12, 2007 at 3:21 am

    uh… ya’ left out the remaining part of this roto work..

    “… Finally, upon completion… go get a massage and/or a stiff drink to relax.”

    🙂

    Joe

  • Mike Clasby

    May 12, 2007 at 7:36 am

    I knew I was missing something.

  • Cuel

    May 12, 2007 at 11:22 am

    Thanks alot!

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