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rasmus229760943dus
Participant
February 7, 2024
Answered

Generate stroke not working with multiple masks

  • February 7, 2024
  • 1 reply
  • 734 views

Hi community! 🙂

 

Background: I want to create a vine growth animation, where it grows from the ground and up. I have used AI to illustrate everything, Layered my Vine, and imported to AE. I have used Generate < Stroke effect to have 30 different masks/effects applied, and keyframed each to match how i want it to grow. It looks correct with Paint Style "On Original Image" applied, but when i switch all layers to "Reveal original image" it displays nothing. When i do it one at a time, each effect nullifies the former.

 

I have done a quick fix, where i copy the effects/masks to a shape layer, and put it on top of the original illustration and track matted it, but i thought i originally did it the right way, but apparently not by using multiple masks/effects.

 

What sort of workflow should i use? Or is there a fix that i am just not understanding?

 

AE V 24.1.0

This topic has been closed for replies.
Correct answer Mylenium

It works correctly as designed. Only the first instance must be set to "On Transparent" and all additional effects to "On Original". AE is buffer-based, so instructing it over and over to erase the previous buffer would of course nix all results. It's literally like working with layered foil/ slides. Outside that your failure is simply the old beginner mistake (no offense) of trying to do too much at once and in a single comp. Pre-composing the strokes and using the result as a matte is indeed much more efficient and then it just won't matter how many layers you actually have inside your pre-comp. It will always be just a single clean matte layer in the main comp.

 

Mylenium

1 reply

Mylenium
MyleniumCorrect answer
Legend
February 8, 2024

It works correctly as designed. Only the first instance must be set to "On Transparent" and all additional effects to "On Original". AE is buffer-based, so instructing it over and over to erase the previous buffer would of course nix all results. It's literally like working with layered foil/ slides. Outside that your failure is simply the old beginner mistake (no offense) of trying to do too much at once and in a single comp. Pre-composing the strokes and using the result as a matte is indeed much more efficient and then it just won't matter how many layers you actually have inside your pre-comp. It will always be just a single clean matte layer in the main comp.

 

Mylenium

    R
    rasmus229760943dusAuthor
    Participant
    February 8, 2024

    Thank you very much for the reply Mylenium 🙂

     

    Good to know I wasn't too far off with what the correct workflow was. I will make sure to keep that in mind in the future to use more layers for my desired effect 🙂

     

    When I have time, I will go back to the project and try the "On Transparent" on the first instance, to see if that works on a single layer.

     

    And thanks again. I take no offense, and always happy to learn 🙂

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