I've just posted this in the Illustrator forum as well. Not sure if double posting is frowned upon--but this is potentially a double app issue...
This started happening to me a couple of weeks ago, when working with an Illustrator file provided by a client inside of After Effects: some assets/layers from the AI file, when rotated in AE, get "cut off" at certain points along the rotation. So I've got a layer, static. I rotate it. At some point in the rotation part--not all--of the layer "vanishes", like it's been matted/masked, then comes back. I thought this was maybe an anomaly/glitch associated with the AI file that came from the client--but it's just happened again with another file, from a different client; and it's happening on two different computers.
A workaround I discovered was to make the "offending" layer 3D. The vanishing stopped. But why? Why is this happening???? Never had it before, now suddenly happening in two separate instances...
Sample images attached of most recent occurrence, showing what happens to the layer going from a rotation of -4 to -5. The dragon is the layer that's being rotated--and part of its head is being cut off at -5 rotation, but then comes back at -6. As far as I can tell, the -5 is completely arbitrary: it's happening at different rotation values with different layers.
Really strange and really frustrating!
1 Correct answer
you should isolate the problem. remove other layers and effects and see again. this might help. another thing to check and what I am most suspicious about is the illustrator fine - see that it has only one artboard and that it's reasonably sized (here's a similar anomaly with a very big artboard) . Ai artboard can cause all kinds of anomalies in Ae projects. you could also create and HD preset and copy paste your layers there and import - see if you get the same behavior.
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Hello both--thanks for your quick responses.
To answer your point, Warren: there is no X Rotation, as it's a 2D layer. Enabling the 3D switch removes the problem. Also, the dark background is not a layer--just the comp background colour.
Rick: new, full, screenshots attached. One of my original setup, one with 3D switch enabled and a third with Continuously Rasterise unchecked; which, I've just discovered, also removes the problem. So that leads me to think it's a Continuously Rasterise issue / limitation..?
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