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MGSparkle
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3D camera tracker, animated character bounces all over screen?

Apr 2, 2013 9:49 AM

So I've been trying to follow some 3d camera tracker tutorials to the tee but I keep having the same problem. When I go to render the video instead of the character staying in a fixed spot it starts to bounce all over the video.

 

This is the main tutorial I've been trying to follow;

http://www.computerarts.co.uk/tutorials/3d-camera-tracking-after-effec ts-cs6?page=1

 

My error rate is only .73. I can't figure it out...

 
Replies
  • Currently Being Moderated
    Apr 2, 2013 8:42 AM   in reply to MGSparkle

    Well, your info is far too vague to make sense of. Provide screenshots or upload your video to YouTube so people can have a look.

     

    Mylenium

     
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    Apr 2, 2013 12:31 PM   in reply to MGSparkle

    The character remains STILL.  It's the camera that moves.  Go back and scrutinize your tutorial; you did something incorrectly.

     
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    Apr 2, 2013 12:53 PM   in reply to MGSparkle

    Um, no:  your character doesn't change position on the screen.  Therefore, even though the video background  may be moving, the character is NOT moving.  Thus, you did something incorrrectly when you tried your tutorial.

     

    And if you haven't yet grasped that fact, I get the feeling you could use a little of this before you jump into the deep end of the pool:

    http://blogs.adobe.com/aftereffects/2010/01/getting-started-with-after -eff.html

     
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    Apr 2, 2013 11:22 PM   in reply to MGSparkle

    Hi,

     

    When I first used the 3d tracker in afetr effects, I also had very similar problems. I must be honest - it has been a while since I used it again, so I cant remember what I did wrong, or how I fixed it!

     

    I would suggest taking a look at this tutorial:http://www.premiumbeat.com/blog/3d-camera-tracker-after-effects/ and then re-trying the other one. You might be able to pick up where you went wrong. Also, keep checking the outcome step by step as you go along (if possible) by adding the camera a little earlier or something - I have not gone through the tutorial you are following, so I dont know if that would be possible, but if it is, you might be able to pick up the step where things go south.

     

    Good luck,

     

    Pierre

     
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