Shutter angle bug when rotating

Community Beginner ,
Apr 07, 2022 Apr 07, 2022

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Hello,

I'm trying to make a cd spin on itself on premiere, which I achieved without a problem. I'd like to put some motion blur with shutter angle when the cd gains in speed. But as soon as I put some the center of rotation shifts (for some obscure reason to me) and the cd is spinning all over the place.

 

Could someone help me with that?IMG_7607.JPGIMG_7608.JPG

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Editing , Effects and Titles , Error or problem , How to

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correct answers 1 Correct answer

Adobe Community Professional , Apr 07, 2022 Apr 07, 2022
If I nest the clip and then apply the transform it works fine. Looks like Shutter angle is working correctly only if the clip is the same dimensions as the sequence

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Adobe Community Professional ,
Apr 07, 2022 Apr 07, 2022

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I'm not sure exactly what you are trying to do here.

 

Are you trying to get the top disc to look like it is spinning above the bottom disc while the bottom disc also spins?

 

You may have to adjust the anchor point for each layer to get it to look right if that's what you're trying to do.

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Community Beginner ,
Apr 07, 2022 Apr 07, 2022

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There is only one disc. I don't understand why there would be a problem with the anchor point since it's perfectly rotating on itself before I put some shutter angle...

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Adobe Community Professional ,
Apr 07, 2022 Apr 07, 2022

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If you added a transform effect you need to readjust the anchor point's position to the center using that transform effect's controls. A screenshot showing your effect controls panel will help us understand better what's going on

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Community Beginner ,
Apr 07, 2022 Apr 07, 2022

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Control panel looks like thisCapture d’écran 2022-04-07 à 18.15.42.png

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Adobe Community Professional ,
Apr 07, 2022 Apr 07, 2022

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In the screenshots of your first post, you are looking at the anchor point using "Motion", don't do that. Select the transform effect in the effect controls panel, and center the anchor point using the Transform effect's parameters.

Anyway, I believe you should isolate that yellow CD and put it on another track and animate its rotation, you can do the same for the blue CD by duplicating the yellow CD and changing its hue color

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Community Beginner ,
Apr 07, 2022 Apr 07, 2022

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There is just one CD. 🙂 The "blue CD" is just part of the CD, it's like a moon and the yellow the sun. The CD is isolated from the background and it work perfectly fine when it's rotating (using the transform effect's "rotation option") so the anchor point is in the middle. It's really just when I activate the shutter angle that it starts messing around for no reason...

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Adobe Community Professional ,
Apr 07, 2022 Apr 07, 2022

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Just tried to replicate that, yes, the rotation became weird when shutter angle is activated, I'll investigate more and see if there is a workaround

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Adobe Community Professional ,
Apr 07, 2022 Apr 07, 2022

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If I nest the clip and then apply the transform it works fine. Looks like Shutter angle is working correctly only if the clip is the same dimensions as the sequence

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Community Beginner ,
Apr 07, 2022 Apr 07, 2022

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It work indeed. Thank you very much.

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