June 2002
Beginner
592 pages
13h 26m
English
Content preview from Adobe® Photoshop® 7.0 Classroom in a Book®
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Resolution and image size
The first step in retouching a photograph in Photoshop is to make sure that the image is the correct resolution. The term resolution refers to the number of small squares known as pixels that describe an image and establish its detail. Resolution is determined by pixel dimensions, or the number of pixels along the width and height of an image.
Pixels in a photographic image
Types of resolution
In computer graphics, there are different types of resolution:
The number of pixels per unit of length in an image is called the image resolution, usually measured in pixels per inch (ppi). An image with a high resolution has ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.