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Adobe Photoshop CS4 for Photographers: A professional image editor’s guide to the creative use of Photoshop for the Macintosh and PC by Martin Evening

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Chapter 9. Layers, Selections and Masking

Layers, Selections and Masking

For a lot of people the real fun starts when you can use Photoshop to swap parts of one photograph with another and make composite photographs using different image elements. This chapter explains the different tools that can be used making composites as well as the intricacies of working with the Layers panel, Channels and the pen tool. But to begin with, let us focus on some of the basic principles of how to make a selection and the interrelationship between selections, alpha channels, masks and the Quick Mask mode.

Selections and channels

When you read somewhere about masks, mask channels, image layer mask ...

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