Setting Up After Effects for Optimum Performance

Setting Up After Effects for Optimum Performance

After Effects CS5 is a 64-bit application that can take full advantage of large amounts of RAM and multiple processors (CPUs), but setting the appropriate preferences is crucial. In this lesson you'll learn how to configure After Effects to use RAM and CPUs (processors) as appropriate for your computer system, your footage, and your project needs. You'll also see what hardware factors affect performance and what improvements can be made to increase performance.
Interface Overview

After you launched AE, it will be nothing on the window unless you start a new project or open a previous project. To start a new project, go to File>>New>>New Project;
The interface is divided into several areas: 
Project Area: All your footage and stock resource will be placed in the project area; 
Composition Area: The composition area allows you to monitor the result of your manipulation and you can also visually orientate your footage in the composition canvas;
Timeline: Here is where most of your animation work will be done;
Tool Bar

At the top of the interface you will find the tool bar which allows you to activate different tools;
Generally, Selection/Hand/Zoom tools are for navigating through your project; Rotate/Camera/Pan Behind tools are used to move elements around in 2D/3D space; Mask/Pen tools allow you to create assisting elements for your project; Brush/Clone Stamp/Eraser tools are three major pixel manipulation tools; Local/World/View Axis Modes are primarily for 3D composition;

Timeline Control

By default, Timeline Control is located at the very right of the interface; it allows to control playback of previewing. You can set the preview option according to the computational power of your workstation;
Shortcuts

Here is a few frequently used shortcuts in producing animation; it is highly recommended to remember them because it will help you speed up your work flow tremendously;
ALT+ SHIFT + Any Following Keys to display different options in layer;
T - Opacity
A - Anchor Point
S - Scale
P - Position 
R - Rotation
O - Jump to the end of the timeline
HOME - Jump to the beginning of the timeline
SPACE BAR - Play/Preview
CTRL + D - Duplicate Layers
Understanding Composition

Comp = Container

Composition is the key concept of AE; comp(short for composition in AE) is very much like a container. It is the place where you store/arrange all the things such as images, sound, text, and video. Also, each comp has an independent timeline. Moreover, since comp is a container, you actually can take one comp(let's name it comp A) which contains many different things and place it into another comp(comp B); then the comp A become one item just like other items in comp B and you can place it on comp B's timeline and applying effects to it like any other piece of footage; this process is referred as "nesting" in the industry

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