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gfxmotion says

Hi,i have problem with an external compositing tag,i apply the ect to an object but when i import in AE the ect move,please see the movie attached(slow velocity for view the problem), i`dont know what to do with this,is the first time it happend, the external compositing does not have to move.

C4D problem video

i would appreciate any help.Thanks

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johnnybd says

Judging by the type of movement (which seems to be “Floaty” or “Subtle) – > 3 Things that might be causing it:

1) Mismatching FPS between your AE Comp and your C4D File.
2) Mismatching Interpretation of your Rendered Footage FPS in AE.
3) Your external compositing tag is placed on the Negative Z Axis side of the 3d Screen rather than the Positive Z axis. (for ex: X: 0 Y:0 Z: -100 instead of 100 or vice versa)

and a Bonus possibility:
4) You’ve unintentionally dragged that wacom while having it pressed on that Ex tag layer ;)

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GhosTeam says

Judging by the type of movement (which seems to be “Floaty” or “Subtle) – > 3 Things that might be causing it:

1) Mismatching FPS between your AE Comp and your C4D File.
2) Mismatching Interpretation of your Rendered Footage FPS in AE.
3) Your external compositing tag is placed on the Negative Z Axis side of the 3d Screen rather than the Positive Z axis. (for ex: X: 0 Y:0 Z: -100 instead of 100 or vice versa)

and a Bonus possibility:
4) You’ve unintentionally dragged that wacom while having it pressed on that Ex tag layer ;)

+1 What he said. :)
My bet is on option #1/#3 OR secret option number #5:
Make sure that the C4D file you’re importing to AE- is set to render from frame 1 in C4D.

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felt_tips Moderator says

The aec should contain the render at the correct fps and all the nulls in the right places.

Have a look at the keyframes on the layer in question and see if they land on whole frame numbers, then check the footage fps in the project window and footage stretch on the timeline.

Also check you don’t have some crazy shutter offset in comp settings.

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gfxmotion says

hi ,the problem was Mismatching FPS, thanks johnnybd, GhosTeam and felt_tips,thanks all, mod you can lock this thread.

Problem solved

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