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Photoshop CS6 All-in-One For Dummies by Barbara Obermeier

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Chapter 1: Specifying Size and Resolution

In This Chapter

check.png Comparing raster (pixel) and vector images

check.png Understanding how pixels appear on different monitors

check.png Working with the Image Size command

check.png Resampling images (if you must)

check.png Adjusting the canvas size

check.png Cropping an image

Size and resolution are slippery subjects. A digital image’s size may refer to its file size, how big you want it to be on a printed page (such as 3 x 5 or 8 x 10 inches), the size you want it be onscreen (full screen or just part of the screen), or how densely packed the pixels are (its resolution). To use Photoshop’s tools so that an image looks good in print or onscreen, you need to know not only what type of size you’re working with, but also what the image’s resolution is — and how both of these factors might affect the image’s appearance.

Given all the factors in size and resolution, it’s not surprising that Photoshop ...

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