Chris & Trish Meyer
CMG Keyframes is a repository for columns, articles, and videos created by Trish & Chris Meyer of the subject of creating motion graphics using Adobe After Effects and other related programs. It also contains articles on typography, audio, and 3D, as well as links to relevant articles Chris & Trish have published elsewhere.
Trish & Chris Meyer are the founders of Crish Design (formerly known as CyberMotion), an award-winning motion graphic design studio that has recently relocated from Los Angeles to the Albuquerque area. Their design and animation work has appeared on shows and promos for CBS, NBC, ABC, Fox, HBO, PBS, and TLC; in opening titles for several movies including Cold Mountain and The Talented Mr. Ripley; at trade shows and press events for corporate clients ranging from Apple to Xerox; and in special venues encompassing IMAX, CircleVision, the NBC AstroVision sign in Times Square, and the four-block-long Fremont Street Experience in Las Vegas.
In addition to their motion graphics work, Trish and Chris were among the original users of After Effects, and have written numerous books including "Creating Motion Graphics with After Effects" and "After Effects Apprentice" (both published by Focal Press). They speak regularly at conferences around the country, and perform custom training for studios. Both have backgrounds as musicians, and a close relationship between sound and picture informs much of their work.
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Sunday, January 03, 2010
Extending your knowledge of expressions in After Effects.
Many of you are familiar with our book, Creating Motion Graphics with After Effects. As imposing as it may be in print, some miss that there’s another 180+ pages of bonus chapter PDFs on the book’s disc.
One of those chapters is Deeper Modes of Expression, which goes into more advanced expression functions. To make sure more people get to benefit from the information it contains, we’ve decided to serialize it into a series of 12 installments here on PVC. It’s still worth having the book - it contains an accompanying project file with examples and sources, not to mention an introductory chapter for those new to expressions - but hopefully this online version helps some of you looking to expand your expression toolbox.
In this first installment, we’re going to discuss some useful math functions beyond the typical +, -, *, and /. Among other things, you’ll learn how to keep numbers inside of boundaries, and how to trace out perfect circles using expressions instead of motion paths.
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