• Adobe After Effects

  how to track an object that only appears at the middle of a footage (traveling in)

  Posted by Rui Pinedo on April 24, 2012 at 11:04 pm

  Hello People!

  I´m having a problem here.
  I have a simple footage that is only a traveling left to wright and at only in the middle of the clip is when a monitor appears.
  My problem is to track the monitor because I want to replace the monitor (black) with a video (well I have the monitor turned off with four tracking points, one in each corner.
  I dont now how to track something that is not allways in the footage.
  Can you help me?

  Thank you in advance

  RP

  John Cuevas replied 14 years, 5 months ago 2 Members · 1 Reply
• 1 Reply

• 

  John Cuevas

  April 25, 2012 at 2:56 am

  If I understand, you want to track something that is moving left to right across the screen, but starts from offscreen and moves onscreen. Try this tutorial that about Mocha, sounds like this is what you are trying to accomplish.

  Johnny Cuevas, Editor
  Thinkck.com

  “I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.”
  —THOMAS EDISON on inventing the light bulb.

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