November 2022
Beginner
429 pages
14h 9m
English
Content preview from Adobe Photoshop Visual QuickStart Guide
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A. Image Basics
None of us were born knowing what a pixel is or what file format to use, so this appendix is intended as a quick primer for those who are coming to Photoshop with little to no knowledge of creating or working with digital graphics.
Pixels versus Vectors
Broadly speaking there are two types of computer images: pixels and vectors.
Pixel images (also known as raster or bitmap images) are made of a rectangular grid—or bitmap—of picture elements (pixels). Each pixel is assigned a location and color value. Because a series of pixels can represent subtle gradations of shades and color, they are used for continuous-tone images like photographs and digital ...
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