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Activity Forums Adobe After Effects 3d camera keyframe troubles

  • 3d camera keyframe troubles

    Posted by Brian Tetamore on January 13, 2007 at 5:49 pm

    I know this is so simple, but I can’t seem to get the movement of my 3d camera to act properly. The video is a simple sequence where the camera moves forward (Z axis) and passes through text and then an image, and so on through 7 more sets of text and images. I don’t have any movement on the text or image layers (they remain static).

    The Problem: As the camera moves close enough to the text so it is in focused depth of field range I am placing a keyframe and then another key frame two seconds later. This section of keyframes is intended to give the effect that the text (and image) slow down and drift so you can read them. Then after the second keyframe the camera moves through them to the next set of text and image and so on and so forth. YET, the text and image slightly move backwards and then forwards again BETWEEN the two keyframes. The only way to stop this behavior is to set the keyframes to LINEAR.

    Is there a tutorial or tips that someone can explain how to adjust the keyframes so they SLOW down the camera and then gently speed through them to the next layers?

    Thanks guys. Don’t know what I’d do without Creative Cow.

    The Visual Rabbi

    Brian Tetamore replied 19 years, 4 months ago 2 Members · 2 Replies
  • 2 Replies
  • Mylenium

    January 13, 2007 at 6:13 pm

    You need to adjust your keyframes’ Bezier interpolation. The phenomenon you are experiencing is overshooting from the keyframes. Keep in mind that temporal interpolation and spatial interpolation are separate – only changing one of them, will not affect the other. In your case you only need to affect the temporal interpolation. The easiest way to do so is to use the Easy Ease In/Out keyframe assistants.

    Mylenium

    [Pour Myl

  • Brian Tetamore

    January 13, 2007 at 6:48 pm

    Okay, don’t why it is that after you post something because you’ve been working on it forever and can’t get it right, that soon after you figure it out. I basically had two extra key frames in my attempt to set it right that actually were causing the problem. It seems to be in great shape now. Thanks for the tip on the temporal verses spatial keyframes. I get those confused.

    The Visual Rabbi

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