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D
dc39909740
Participating Frequently
September 22, 2018
Question

Can you not control Puppet Pin Influence?

  • September 22, 2018
  • 3 replies
  • 1868 views

Are puppet pins meant to be restricted by layer in CC 2018?

For example If i had a humanoid in a tpose, and I put 3 puppet pins down the left arm.
If I were to move those pins, the other side of the body would be affected. Is there no way to adjust how much influence the puppet pin tool affects an image?

At the moment it seems im supposed to limit it via layers.

This topic has been closed for replies.

3 replies

angie_taylor
angie_taylor
Legend
September 23, 2018

Check out the “Rubberhose” script for After Effects. The Rubber Pin mode in this will allow you to do what you want, which is Inverse Kinematics. As the others said, its virtually impossible to do this without it.

https://www.battleaxe.co/rubberhose/

OussK
Community Expert
OussKCommunity Expert
Community Expert
September 23, 2018

Yes you right this could happen when you use only 3 pin, so try to add more pin to the affected area, so this can help hold this area in place,

D
dc39909740Author
Participating Frequently
September 25, 2018

Thanks, ive tried that and it seems like I would need a crazy amount of pins to pin something in place.

I gave the example of pinning a square image. 1 pin on the right, 1 on the left. If I wanted to move the right side without it affecting the left, id need to put like 50 pins on the left so the rights influence would not affect it. I just assumed there was another way, guess not.

R
Community Expert
Rick GerardCommunity Expert
Community Expert
September 22, 2018

You use the starch tool. It’s pretty darn difficult to learn how to use Puppet Pin without spending at least a half an hour reading the documentation.

Type “puppet pin” In the search help sealed in the top right corner of  After Effects and do some studying.

D
dc39909740Author
Participating Frequently
September 23, 2018

Starch tool doesnt actually "pin" it in place without it moving. All it does is stiffen it so it doesnt bend. Its still affected by other pins. Ive read the documentation and I feel like im missing something.

Mylenium
Mylenium
Legend
September 23, 2018

I feel like im missing something.

Sure. You're assuming that the Puppet tool would be a linear Inverse Kinematics tool, which it isn't and never was. It's only a myth purported by a million really lousy tutorials out there from people that don't understand that stuff, either and tools like DUIK. Beyond that you have all the answers you need - use the starch tool, use more pins, constrain/ group them with expressions or by connecting them to Nulls. No simple answers here. Again, Puppet is not an IK tool for the pin, it's an algorithm calculating the forces along the mesh edges and you have to control the mesh deformation.

Mylenium

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