Join Chris Meyer for an in-depth discussion in this video Using Stencil Luma, part of After Effects Apprentice 05: Creating Transparency.
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So by now you're familiar with the concept of what a track matte does.…It's a pair of layers where the layer on top contributes transparency…either through its alpha channel or its luminance values and that is used…as a new alpha for the layer immediately underneath. A variation on this…theme are stencils.…Stencils cut out everything underneath, not just a single layer that happens to…be underneath the transparency layer.…Let's see that at work.…I am going to open up a new comp here.…11-Stencil Luma*starter.…
Just to show you what I've done I've created an interesting little composite here.…I've taken our Cityscape layer and used an Invert effect to make it look more…graphical, and then I applied the VirtualInsanity layer on top and used a blend…mode, Overlay, to make things look more interesting.…Blend modes were discussed in the Layer Control lesson.…Let's say I want to track matte to cut through both of these layers.…Well, I could apply it twice and have it cut out each of these individually,…
The After Effects Apprentice videos on lynda.com were created by Trish and Chris Meyer and are designed to be used on their own and as a companion to their book After Effects Apprentice. We are honored to host these tutorials in the lynda.com Online Training Library®.
- Creating masks using parametric shapes or freeform with the Pen tool
- Editing and animating masks
- Combining multiple masks
- Using one layer to define the transparency of others
- Explaining the interaction between effects, masks, and mattes
- Mastering mask animation