How to fill masked layer with any color?

Question

Hi!I have a layer that I've tracked and masked with Mocha. This video layer is masked. How I can fill this layer with the color (white for example) so it will affect only this layer? Solid fill layer fils whole frame. I was looking for matching effect that could be the best solution but cannot find it... Does AE have effect that will work just like solid fill? I need to animate that overlapping color transparency as well.The effect must work just like clipping mask in Photoshop when solid color clipped to under layer.

Kyle Hamrick · Accepted Answer

If I'm understanding your question correctly, you could apply the Fill effect to your layer, then use the effect's Compositing Options to apply that mask to the effect.

Make the mask.
Add the effect.
Click this little plus sign.
If you have multiple masks just choose the correct one(s).

You you need blending options, you could use another effect, CC Composite, also using that same mask.

Rick Gerard · Answer

You could use more than one layer. If your tracked layer has transparency then you could use it as a track matte. You can also select compositing options if you have a newer version of AE and everything on one layer. There is an option to use masks in the Fill effect. If you are using corner pin the fill would work above or below.

The problem with offering a solution is that we don't understand your workflow. We don't understand the way you layered the project. If you track and mask a layer in Mocha you usually end up with a layer that has transparency in your comp. You can do anything you want with that layer. If you just want to fill the masked area and see the rest of the video then you can turn off the mask and tell fill to use only the mask. Any of these solutions are readily available by using the search help field in the upper right corner of AE.

If the problem is more complex than that we need a screenshot with the modified properties of all layers that are giving you problems revealed. Just select the layers, press U twice, Printscreen and paste to the forum or drag a screenshot to the reply field and we can help. An accurate workflow description would also help.

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