If you set scale = 0 and or amplitude =0 for a points position channel and do 'undo' and 'redo' it makes strange things. Zoom gets equal to -60. Or if scale = 0 and amplitude <> 0 then the shape disappears. Undo and redo also do strange things. Every object disappears, ... redo and undo stack are empty....
If you do that for a layer then it does strange things with the roll value of the camera, etc.
Noisy scale and amplitude should be checked to be a non zero value. it seems that a division by 0 is happening internally.
-G
Scale = 0 on noisy keyframes makes strange things.
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