How to Contact the Author

Sybex strives to keep you supplied with the latest tools and information you need for your work. Please check their website at for additional content and updates that supplement this book. Enter the book's ISBN—4386—in the Search box (or type enhancing cad), and click Go to get to the book's update page.

If you have any questions or comments about this book, feel free to contact me by e-mail at [email protected] or by visiting my website——and using the web contact form there.

Chapter 1

The Basics

Color is represented by computers in unique ways. The relationship between bit depth and storage space is important. Photoshop's layer, paint, and filter tools have a wealth of features and options. You must be at least familiar with just a few of these basics before you can start to work creatively in Photoshop.

Fundamentals such as anti-aliasing, vectors, and additive versus subtractive color are also basic concepts that you need to know to help build a solid foundation for a broad understanding of digital imaging.

If you are familiar with Photoshop, you can go through this chapter quickly, skipping sections that present material you already know well. However, be sure to understand the basics before you dive into tutorials in the following chapters.

♦ Understanding Modes, Bits, and Channels

♦ Painting, Adjusting, and Filtering

♦ Sizing and Transforming

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