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Chapter 5. MASKS ARE YOUR FRIENDS > TYPES OF PHOTOSHOP MASKS

TYPES OF PHOTOSHOP MASKS

All types of masks serve the same purpose— controlling which image areas you want to reveal or affect, and which image areas you want to conceal or not affect. The two most common masks are the layer and the channel mask, but many more features in Photoshop can act as masks, as you can see in figures 5.1 through 5.13. Although some of them may not fit the classic definition of a mask, I feel that any Photoshop control that reveals, conceals, or influences where an image effect takes place is just another type of mask. Most importantly, working with the following masks lets you combine images creatively and nondestructively, which encourages experimentation and discovery.

Figure 5.1. The most fundamental of masks, an active selection is used to control where a change takes place or to establish a quick mask, layer mask, or alpha channel. The dancing ants— officially called the selection marquee—signify the border between white (active) and black (inactive). For more information, see Chapter 2 .



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