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Activity Forums Adobe After Effects I see black squares instead of blur or obscuring

  • I see black squares instead of blur or obscuring

    Posted by Jay Booja on March 25, 2009 at 11:01 pm

    Hi , Yes well what im trying to do is add a blur to licence plates on a car but i get a black square instead of a blur.

    This is what i do : i Add an adjustment layer then i track the motion with perspective points, then i add the blur and when i did that i just get a black square over where the blur should be.

    I also tried to obscure a text behind an object like on this tutorial https://www.youtube.com/watch?v=XBn8DdPs0Es but when i make the mask i just get another black square over the whole mask i made :S

    I simply don’t get it and im getting verry frustrated 🙂 wanne smash something i spent a whole day trying to find out how the hell it works but i still havent found it.

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    Jay Booja replied 17 years, 5 months ago 2 Members · 2 Replies
  • 2 Replies
  • Curious Turtle

    March 26, 2009 at 9:50 am

    Are you applying a corner pin effect to an adjustment layer because that’s not going to work for you?

    Apply the corner pin to a new solid that is above your adjustment layer. Set the track matte on the adjustment layer to alpha and you’re there. So your timeline looks like this:

    1 – Solid with tracked corner pin
    2 – Adjustment layer with blur. Track matte set to alpha.
    3 – Original footage

    There are other ways to skin this cat but that should be fine for you.

    Hope that helps,
    Ben

    Curious Turtle Professional Video
    Training | Editing |Support

    http://www.curiousturtle.com

  • Jay Booja

    March 26, 2009 at 6:43 pm

    Nope still doesnt work at all. the whole image is blurred , when i change it to alpha the whole blur just disapears and no blur or any sort is beeing tracked it just shuts of the layer when i change it to alpha or any other setting.

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