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L
Letty2019
Legend
November 23, 2020
Answered

How to mask a donut (with a hole), that is moving... sync the inner and outer mask how?

  • November 23, 2020
  • 2 replies
  • 8607 views

Hi, still having problems with this...

I have a donut....(with the hole)

The donut is animated, moving up and down.

I masked the outside of the donut, pen tooled it,  and that looks fine.

I then masked out the hole, and I'd like to sync the hole mask with the movements of the outer donut mask.

 

I can't get parenting to work.  😞

 

I made 2 seperate comps, but can't get them to sync.

 

I also placed both masks in the same comp, and can't get them to sync.

 

Thanks for your advice! I'm baffled as always.

Letty

This topic has been closed for replies.
Correct answer Letty2019

I posted a new question in a post, to keep it simple.  My wording here makes us both go off in different directions.  I'm a novice, so that's why its hard for me to understand. Sorry.

Please close this one.  I posted a new simple question a few mins ago.

Thanks for your time, again sorry for the confusion.

Letty.

 

https://community.adobe.com/t5/after-effects/make-a-mask-within-a-mask-and-have-both-follow-exact-same-path/td-p/11621358?page=1

 

 

 


The answer is here:

 

https://community.adobe.com/t5/after-effects/make-a-mask-within-a-mask-and-have-both-follow-exact-same-path/td-p/11621358?page=1

2 replies

Andrew Yoole
Andrew Yoole
Inspiring
November 24, 2020

I think the confusion is more about workflow than the process.  It would save a lot of confusion if you could post a screengrab of your project, with all the animated properties visible in the timeline.

 

It sounds like you're trying to mask the animated object, after you've already animated it?  And you've animated the mask path to follow the animated donut?

 

If the image is a photograph, you just do the masking before you animate it - outer edge and inner hole.  Once the image is masked, you then animate it with standard transform tools like Position and Rotation. The masks will move with the animated image.

 

You could even cut the donut out in Photoshop if you wanted to, before importing to AE.  

 

If you've already animated the donut and don't want to lose that work, you can precompose the donut layer (make sure to "Leave all attributes in [comp]" ) which will create a nested composition with the static donut layer in it.  Mask the donut outer edge AND hole within the precomp, and remove the masks in the main comp.

    L
    Letty2019Author
    Legend
    November 24, 2020

    Hi, will this work:  (the donut is a video clip btw)

     

    Start from scratch, make the ext mask and then the hole mask, (don't animate) then pre comp both....then.... copy and paste the old animation key frames from the original donut mask to the new pre comp'd set of masks?  

     

     

    L
    Letty2019Author
    Legend
    November 24, 2020

    Hi, the donut moves, it's an avi, bounces up and down and left right.

    Yeah, I'd like to save all my animation (path) work.  My fault for not doing the center hole with the exterior of the donut mask at the same time. 😞

     

    Can it be saved?   Thanks!!!

     

    I tried my earlier theory and it's not working.  I have a bad feeling the key frames I made for the donut's path, are only for the ext of the donut and can not be applied to the new hole mask??

     

     


    I'm think I'm scr*wed.

     

    I've tried copy and pasting the original path keyframes to the newly precomp'd masks of the ext and hole, and no luck.

     

    It seems the path key frames are only good for the image they were created for.

    They can't be added to another mask and make that 2nd mask work right.

     

    Is that right?   Both masks should've been made at the same time, so they can be animated in one key frame?

     

    Very frustrating. 

    Mylenium
    Mylenium
    Legend
    November 23, 2020

    You have a fundamental misunderstanding here. No need to "sync" anything. You simply create the donut shape as a static item inside the pre-comp, the nanimate the pre-comp layer as a whole in the parent comp. Other than that there's a million otehr ways to do it, including simply applying a super fat stroke to a mask to create a donut if you realyl need to animate the mask shape itself, using the puppet tool, the Reshape effect and so on.

     

    Mylenium

      L
      Letty2019Author
      Legend
      November 23, 2020

      Hi, Can you please reccomend a video tutorial on this?   I'm having difficulty understanding.

      I'm not working with a shape of a donut, I'm working with a photograph of a real donut, and am masking that. (if that info helps?)

      I've been searching videos and can't find the right tutorial.

      Thanks! 🙂

       

      I forgot to mention,  I've already completed the outer mask and animated it.  My problem is I want to add the center hole mask, but have that sync with the outer mask.  Thanks for your thoughts.

       

       

      L
      Letty2019Author
      Legend
      November 24, 2020

      Hello ?

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