After Effects Apprentice

Lesson 4

Creating Transparency

Using masks, mattes, and stencils to cut out portions of a layer.

In This Lesson

Rectangular Mask tool

Free Transform Points

masking in the Layer panel

Mask Feather

animating a Mask Shape

creating a vignette; Mask Expansion

masking with the Pen tool

creating and editing Bezier masks

effecting a masked area

controlling Mask Shape interpolation

using effects with the mask path

Mask Modes and multiple masks

Mask Opacity

creating and editing RotoBezier masks

Audio Spectrum effect

Alpha Track Matte

nesting a track matte composite

effects and track mattes

Luma Track Matte

animating matte layers

Stencil Alpha and Stencil Luma

mask shapes in CS3

Getting Started

Copy the Lesson 04-Transparency folder from this book’s disc ...