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Activity Forums Adobe After Effects After Effects Adding a spike in keyframe graph

  • After Effects Adding a spike in keyframe graph

    Posted by Josiah Stewart on April 23, 2018 at 3:50 am

    After effects adding spikes in keyframesHey Guys, There is probably a thread for this but i couldnt find one that would help with my issue.

    This spike happens even with 1 px of movement on that plain, I dont want it to do that. I just need it to stay as it is not being moved.

    Hope that made sense,

    Thanks

    Roei Tzoref replied 8 years, 4 months ago 3 Members · 3 Replies
  • 3 Replies
  • Steve Bentley

    April 27, 2018 at 2:43 pm

    Is the graph editor set to speed or value? When its set to speed (which is closer to how AE used to work before the graph editor) you can get kinks that look bad but actually work correctly.

  • Steve Bentley

    April 27, 2018 at 4:59 pm

    Also if the x,y,(and Z) are conjoined that can make things worse. SO in the graph editor you can tell them to be separate dimensions and then you can see each channel instead of a grouped (and poor) representation of the curves

  • Roei Tzoref

    April 27, 2018 at 9:02 pm

    there is little information about your situation as you cropped your screenshot so i’ll make a guess. this look like an overshoot problem that is typical when using spatial interpolation of position keyframes. you could fix it by highlighting both keyframes and change the spatial interpolation to linear by hitting Ctrl+Alt+K (Windows). this is also called the boomerang effect:
    https://www.youtube.com/watch?v=rLdBTzkMa7k

    Roei Tzoref
    2D/VFX Generalist & Instructor
    ♫ AeBlues Tutorials ♫
    http://www.tzoref.com

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