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Activity Forums Adobe After Effects Adjustment layer affects all layers

  • Adjustment layer affects all layers

    Posted by Juhani Hakanen on March 1, 2009 at 4:15 pm

    [quote=unska;107876]I have an adjustment layer, which makes a glowing effect on an animated layer below it.

    The problem is that the adjustment layer affects all the layers behind it, including the background image.

    I’ve found the following fix for the problem but I can’t get it to work:

    Alt click the line between the adjustment layer and the animated layer.
    – No matter how I click and what buttons I hold down, it won’t do anything.
    https://www.unska.com/redline.JPG

    Please, help me make the adjustment layer affect only one layer below it.

    I’m using Adobe After Effects CS3.

    EDIT:
    I found out that the 2) turns the layer back to normal layer.[/quote]

    Juhani Hakanen replied 17 years, 2 months ago 2 Members · 4 Replies
  • 4 Replies
  • Simon Bonner

    March 1, 2009 at 6:09 pm

    If you want the adjustment layer to affect just the one layer below it, select both layers and precompose them (layers menu). Or you can just cut and paste the effects from the adjustment layer directly to the single layer to be affected. This won’t work if they are different sizes and use a mask, though (e.g. with text), so I would just advise precomposing.

    Simon Bonner

    youtube.com/simonsaysfx

  • Juhani Hakanen

    March 1, 2009 at 6:16 pm

    Precomposing worked but I ran into a few more problems;

    The glow effect requires a black solid. If I put a black solid to the pre composition, it will fill the screen and hide everything on the first composition.

    How do I keep the glow effect without hiding everything behind the black solid?

    EDIT:

    A third problem;

    I have this moving line animation (the line is about 5 cm long), I want the line to start appearing from the middle of the screen and end before the end of the screen without the line going over the edge.

    Basicly the line would appear in spot A as a dot and then started to grow in length until all 5 cm is visible.

    When the “nose” of the line hits the B spot (end) it wouldn’t go over it but start to shorten in length until it disappears.

  • Simon Bonner

    March 1, 2009 at 9:47 pm

    I don’t understand why you need a black solid for the glow to work. Perhaps you should list all the layers in your comp (plus effects/masks on them) so I can see what they are and what they’re doing.

    Other problem: You could make a line that grows and shortens by drawing a line with the pen tool on a solid layer. Then add the stroke effect. Keyframe the start and end properties to make the stroke grow or shrink.

    Simon Bonner

    youtube.com/simonsaysfx

  • Juhani Hakanen

    March 1, 2009 at 10:30 pm

    Hey, I took two pictures to show the difference.

    With black solid the glow looks like this:
    https://www.unska.com/with_black_solid.jpg

    And without it looks like this:
    https://www.unska.com/without_black_solid.jpg

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