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Photoshop CS5 for Windows and Macintosh: Visual QuickStart Guide by Peter Lourekas, Elaine Weinmann

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Chapter 7. Pixel Basics

image

Before applying adjustment or image-editing commands, you need to make sure your document has the proper size and orientation and is cropped to your liking. In this chapter, you will learn how to change a document’s resolution, dimensions, and canvas size, and how to crop, flip, rotate, and straighten it.

Changing the document resolution and dimensions

In this section, you’ll encounter three related terms:

• A file’s pixel count (or ...

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