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brittaniem14816436
brittaniem14816436
Participant
July 16, 2025
Answered

duik shows transparency line on artwork from precomp

  • July 16, 2025
  • 3 replies
  • 663 views

Seeking solutions for a puzzling Duik Angela rigging anomaly in After Effects (v25.3.1, Duik v17.1.20)! I've set up a character rig, with the torso parts neatly organized in a precomp. Upon animating the chest controller, a transparent line mysteriously appears in the artwork. The line is still visible once the animation is exported. It's worth noting that I extended the duration of all layers/comps/precomps after the initial rigging process. If you've encountered or resolved a similar issue, your insights would be invaluable – not just for me, but potentially for others facing similar issues. 

    Correct answer David.Arbor

    Thanks for your continued help, David!  The files were too big to attach, so here's a link: [Link removed by mod for privacy]

     


    Thanks for sending the project! I took a look and it was actually the Puppet effect causing the problem.

     

    If you select the Torso pre-comp (layer 66) in your rig and look at the effects, you'll see there's a second instance of the Puppet effect (called Puppet 2). You're not using it, but this is what's causing the problem. 

    Removing it will fix the line on the next and the body!

     

    Thanks,
    - David, After Effects Engineering Team

    3 replies

    brittaniem14816436
    brittaniem14816436Author
    Participant
    July 17, 2025

    Thank you both for your thoughtful responses! I’ve reviewed the Photoshop artwork and didn’t notice anything unusual. Continuous Rasterization is turned off, and I also expanded the puppet mesh, but the line is still visible when I move the chest controller. Do you have any additional thoughts or suggestions? You can find my files attached below and at the following link: [Link removed by mod for privacy]

    David.Arbor
    Community Manager
    David.ArborCommunity Manager
    Community Manager
    July 17, 2025

    I removed your link for privacy, but I did download the files first.

    Looking at your rig (great work, by the way!) nothing is immediately standing out, but it's also a complex rig with a lot of layers). Looking more closely at your original video, it looks like the character is moving across whatever's causing the line and as you said, it's not the Puppet artifact like I originally thought (guess I was looking on too small a screen before). Could you DM me the actual comp with this animation so I can see the issue in practice? I have some ideas, but it would be easier to look at the problem directly than dig through a 120+ layer unanimated rig.

     

    Thanks,
    - David, After Effects Engineering Team

     

    brittaniem14816436
    brittaniem14816436Author
    Participant
    July 17, 2025

    Thanks for sending the project! I took a look and it was actually the Puppet effect causing the problem.

     

    If you select the Torso pre-comp (layer 66) in your rig and look at the effects, you'll see there's a second instance of the Puppet effect (called Puppet 2). You're not using it, but this is what's causing the problem. 

    Removing it will fix the line on the next and the body!

     

    Thanks,
    - David, After Effects Engineering Team


    I'm so grateful you figured this out, David!  I very much appreciate all of your help and expertise!  

    David.Arbor
    Community Manager
    David.ArborCommunity Manager
    Community Manager
    July 16, 2025

    Hey @brittaniem14816436 ,

     

    It looks like you might have enabled the Continuously Rasterized switch on a layer with the Puppet effect. The mesh distortion the Puppet effect creates is generated when you create your first pin, so when you hit CR, you're actually changing the render order inside After Effects and that effect is getting applied BEFORE the layer has been scaled. The two features don't work together because a mesh distortion is a pixel based operation. 

    If you don't need CR, turn it off. If you do, then consider working with higher resolution art so you don't have to enable CR. 
    Occasionally, you can get away with both options if the animation is subtle. On your layer with the Puppet effect, click a pin, then look at the top Toolbar. There's an Expansion parameter that you can increase to expand the bounds of the already-generated mesh. It's worth trying, but note that it could likely cause other problems. 

    Thanks,
    - David, After Effects Engineering Team

     

    Kevin-Monahan
    Community Manager
    Kevin-MonahanCommunity Manager
    Community Manager
    July 16, 2025

     

    Hi,

    Thanks for the post. I have not seen this issue. Have you inspected the original artwork carefully. I have found that is where the issue lies in my own work when such anomalies occur. I hope a dev or community member will swing by soon and offer more expert advice. If you have the comp and artwork uploaded somewhere, I can point the devs to your issue a bit better. Can you do so? Let me know.

     

    Thanks,
    Kevin

     

    Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio
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