Object and Image Area Isolation in Layers
One of the fundamental values of working in layers is the ability to isolate image areas for change. This gives you the freedom to correct image areas independently, and revisit those changes as part of image development and workflow. Once you begin to use layers to isolate changes, you can make adjustments, and then fine-tune adjustments in ways that are impossible using selection alone.
Layers allow you to isolate changes in many different ways. In fact, the bulk of this book is dedicated to describing how different layer features enable change in images. This chapter looks at the simplest ...