September 2006
Beginner
574 pages
24h 23m
English
Content preview from Photoshop Elements 5: The Missing Manual
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82 Photoshop Elements 5: The Missing Manual
Changing the Size of
Your Image
Changing the Size of Your Image
The previous section explained how to resize the view of your image as it appears
on your monitor. But sometimes you need to change the size of your actual image,
and that’s what this section is about.
Resizing your photo brings you up against a pretty tough concept in digital imag-
ing: resolution, which measures, in pixels, the amount of detail your image can
show. Where it gets confusing is that resolution for printing and for onscreen use
(like email and the Web) are quite different.
For example, you need many more pixels to create a good-looking print than you
do for a photo that’s going to be viewed only onscreen. A photo that’s going to
print well almost always has too many pixels in it for onscreen display, and as a
result, its file size is usually pretty hefty for emailing. So you often need two differ-
ent copies of your photo for the two different uses. If you want to know more
about resolution, a good place to start is www.scantips.com.
This section gives you a brief introduction to both screen and print resolution,
especially in terms of what decisions you’ll need to make when using the Resize
Image dialog box. You’ll also learn how to add more canvas (more blank space)
around your photos. You’d add canvas to make room for captions below your
image, for instance, or when you want ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.