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Camera rotates instead of moving (AE CS6)

Explorer ,
Oct 21, 2022 Oct 21, 2022

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As I attempt to animate the camera path close to a 3D object (Element 3D)  by creating 2 simple keyframes, the camera rotates instead of moving.All values for position are changing, yet rotation values are all 0.

 

This is a first time I encounter something like this.

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correct answers 1 Correct answer

Explorer , Oct 22, 2022 Oct 22, 2022

Talk about own stupidity. I did not keyframe point of interest of Two-Node camera.
Just made a pan with Two-Node Camera using corrections and it worked.

Thank you all for taking your time on my behalf.

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Community Expert ,
Oct 21, 2022 Oct 21, 2022

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To figure out the problem, we need to see embedded* screenshots showing the modified properties of Element and your camera. Select both layers, press the U key twice and drag your screenshot to the reply field on the forum, then describe your workflow in detail. It is probably just a user error.

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Explorer ,
Oct 21, 2022 Oct 21, 2022

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As requested:
Not excluding the possibility of me accidentally hitting a key somewhere that would enable/disable something.
Timeline_Screenshot.jpg

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LEGEND ,
Oct 21, 2022 Oct 21, 2022

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It's calles gimbal lock and a simple math problem. Add at least one more keyframe that slightly curves the motion path to stabilize tha interpolation.

 

Mylenium

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Explorer ,
Oct 21, 2022 Oct 21, 2022

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Will try now. Strange that camera did not require it before....

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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Just tried without any luck - sideways pan with 3 keyframes total just produced a rotation.

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Explorer ,
Oct 21, 2022 Oct 21, 2022

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Just checked few old animations and moved the camera. The problem persists - where previously camera was panning sideways it now only rotates. Since older projects use 2D planes as 3D objects, I don't believe this problem is caused by Element 3D.

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Community Expert ,
Oct 22, 2022 Oct 22, 2022

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You are using a 2 node camera. Try to change to a 1 node camera to avoid the pont of interest to stay "static".

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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Using Two-Node Camera indeed. Will try with One-Node and see if it makes any difference.
On a side note, I tried a rig with camera+null, and I could make the camera pan, though it made camera a bit too rigid and added more overhead to positioning

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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One-Node camera did the trick - movement is properly keyframed. Orientation properly keyframes angles. Rotation remains zeroed, but perahps it is not supposed to change when using camera orbit tool?

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LEGEND ,
Oct 22, 2022 Oct 22, 2022

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Interesting. A simple sideways pan should not expose this behavior indeed. Have you updated your graphics hardware or driver recently? Maybe it's some internal error with soem matrix functions. Does everything look okay inside the E3D editor?

 

Mylenium

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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I updated drivers indeed, about 1 week ago. During that week everything worked fine, until about 2 days ago when AE crashed during a render (processing too heavy for the hardware). Though this time it hang in a memory and did not give any error message.
Following that Element would not start (was fixed by copying the OpenCL.dll into system32).
That's when the problem occured, but it's not limited to Element - just checked my faux 3D from 2D anim and the behaviour is exactly the same.

Not entirely sure what to look for inside Element 3D editor. Any pointers would be greatly appreciated.

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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What is funny about it, is that when I set initial keyframe, then scrub, pan the camera and set destination keyframe, the rotation is appearing at initial keyframe and not destination.

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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Talk about own stupidity. I did not keyframe point of interest of Two-Node camera.
Just made a pan with Two-Node Camera using corrections and it worked.

Thank you all for taking your time on my behalf.

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Explorer ,
Oct 22, 2022 Oct 22, 2022

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Feel the need to jump in once again - the camera was not the only issue, now the rendering sporadically stops writing output file. I have a feeling this is related to the crash I mentioned.
Just a quick question: does resetting the preferences in AE works same as in Photoshop? Or would there be need for installation repair?

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LEGEND ,
Oct 22, 2022 Oct 22, 2022

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It's more likely that your graphics driver settings are messed up after the crash. I would go into the device manager, completely uninstall the driver, reboot and have Windows reinstall it automatically. And yes, of course you can simply delete the prefs and AE will create fresh ones as well.

 

Mylenium

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Explorer ,
Oct 29, 2022 Oct 29, 2022

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Cheers! Will do!

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