Chapter 4. Layers and Channels
In this chapter, you'll learn
How the flexibility of layers plays a critical role in editing Photoshop images
How to organize your work with layer sets
How to compose image changes with the Layer Mask feature
How to use Adjustment Layers for color correction
How to create shapes, vector paths, and clipping paths
How to use channels to control color
How to store special image information in alpha channels
Within every image you look at or edit in Photoshop lies the potential for the image to be a composite of “stacks” of images, and they are called layers. Similarly, colors and saved selections can also be part of a saved image file, although you might never see them onscreen, and they are called channels.
The purpose ...
Get Inside Photoshop® CS now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.