Product Description
The elusive alpha channel remains one of the most misunderstood yet powerful tools in Photoshop. Alpha channels are collections of luminance data that control the transparency of an image, and they inform just about every aspect of Photoshop. Selections, layer boundaries, the Quick Mask mode, layer masks, knockouts, and the Channels palette all rely on alpha channels. In
Photoshop CS3 Channels and Masks, award-winning author and Photoshop expert Deke McClelland taps the vast capabilities of popular tools like layer masks, luminance blending, and paths. He also takes on many little known but very useful features, including Calculations, blue-screen masking, high dynamic range, and displacement masks. Plus, Deke teaches how to select and composite highlights, shadows, clouds, fabric, feathers, glass, flames, lights, eyes, and all kinds of hair. Exercise files accompany the tutorials.
From the Publisher
Each lynda.com CD/DVD course offers hours of training movies that you watch on your computer. The movies are recorded in pixel-perfect quality, and include the authors' narration and movements as they teach the subject matter. Courses include the same project files that the instructors use, so you can follow along at your own pace. lynda.com tutorials are great for visual learners and people who like to learn by doing. Topics include software applications, workflow optimization, tips and techniques, and much more. Play, fast-forward, and rewind for easy learning.
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