Layer masks are not new; however, Photoshop designers find new ways to use them every day. A layer mask is an attachment to a layer that defines the visible elements of the layer. Each layer type in Photoshop, with the exception of the Background, has the ability to hold a layer mask. Imagine a layer mask as a piece of paper laying directly over the image, and then take a trimming blade and cut holes in the paper. The holes in the paper represent the visible elements of the image, while the other areas of the image become transparent. Each layer in a multiple layered document has the ability to hold its own mask, and the mask only influences the image elements of the layer it's attached. Once a mask is created, it can be modified using any of Photoshop's painting or drawing tools. Black represents transparent elements, and white represents visible elements. Painting with a shade of gray introduces a level of transparency. For example, painting with 50 percent gray, makes the image pixels appear 50 percent transparent.[View full size image]
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Layer masks are not new; however, Photoshop designers find new ways to use them every day. A layer mask is an attachment to a layer that defines the visible elements of the layer. Each layer type in Photoshop, with the exception of the Background, has the ability to hold a layer mask. Imagine a layer mask as a piece of paper laying directly over the image, and then take a trimming blade and cut holes in the paper. The holes in the paper represent the visible elements of the image, while the other areas of the image become transparent. Each layer in a multiple layered document has the ability to hold its own mask, and the mask only influences the image elements of the layer it's attached. Once a mask is created, it can be modified using any of Photoshop's painting or drawing tools. Black represents transparent elements, and white represents visible elements. Painting with a shade of gray introduces a level of transparency. For example, painting with 50 percent gray, makes the image pixels appear 50 percent transparent.[View full size image]
