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Introduction to the Refine Edge tool
Show: Learn After Effects CC
This movie demonstrates the new Refine Edge Tool workflow, which is applied after the Roto Brush tool. Chris Meyer explains the x-ray view that shows the alpha channel Refine Edge will create, as well as how to erase an edge refinement.
Adobe After Effects CS5: Colors, Channels, and Color Bit Depth
Show: Learn by Video
Colors are represented as red, green, and blue channels, and there's an additional channel that defines transparency – the alpha channel. In this video, you'll see how to control how you view the information about these channels.
Episode 26 - Creating Clouds/Fog (Part 3 of 4)
In the murky past…. Makes you think of fog right? Join Dennis in this episode of Adobe Beginner Classes as he gives you a method for creating semi-realistic fog inside of After Effects with nothing but a Photoshop document!